Hubei Province releases the updated list of policies regarding the prohibition, restriction/control, phasing out, and encouragement of hazardous chemicals

Category II: Restricted/Controlled types – Atmospheric and vacuum distillation units with a capacity of less than 10 million tons per year, catalytic cracking units with a capacity of less than 1.5 million tons per year, continuous reforming units with a capacity of less than 1 million tons per year, hydrocracking units with a capacity of less than 1.5 million tons per year, and open-type delayed coking processes. Production facilities for producing ethylene via naphtha cracking with a capacity of 28,000 tons per year or less, acrylonitrile with a capacity of 130,000 tons per year or less, purified terephthalic acid with a capacity of 1 million tons per year or less, ethylene glycol with a capacity of 200,000 tons per year or less, styrene (excluding processes that use dry gas to produce ethylbenzene) with a capacity of 200,000 tons per year or less, caprolactam with a capacity of 100,000 tons per year or less, acetic acid produced by the ethylene route, acetic acid produced by the carbonylation route with a capacity of 300,000 tons per year or less, methanol produced from natural gas (excluding natural gas with a carbon dioxide content of 20% or more), coal-based methanol production facilities with a capacity of 1 million tons per year or less, methyl methacrylate produced by the cyanohydrin route (excluding processes that utilize hydrogen cyanide as a by-product of acrylonitrile production), **grain-based** butanol, propylene oxide and chloropropylene oxide production facilities using the chlorohydrin route, and saponin (including its hydrolysis products) production facilities with a capacity of 300 tons per year or less. Production facilities with a capacity of 37,000 tons per year or less for polypropylene, 200,000 tons per year or less for polyethylene, (poly)vinyl chloride produced by the acetylene method, polyvinyl chloride manufactured via the ethylene oxychlorination process with an initial capacity of less than 300,000 tons per year, polystyrene with a capacity of 100,000 tons per year or less, acrylonitrile-butadiene-styrene copolymer (ABS) with a capacity of 200,000 tons per year or less, conventional synthetic latex – carboxybutyl styrene rubber (including styrene latex) production facilities with a capacity of 100,000 tons per year or less, and nitrile rubber, styrene-butadiene thermoplastic rubber, polyurethane, and polyacrylate-based solvent-type general adhesives production facilities. Sulfuric acid production with a capacity of less than 43,000 tons per year (except for electronic-grade sulfuric acid where the concentration of individual metal ions is ≤100 ppb); ferrous sulfide-based sulfuric acid production with a capacity of less than 200,000 tons per year; nitric acid production via atmospheric-pressure or integrated processes; calcium carbide production (except when replaced by large-scale advanced process equipment of equivalent capacity); potassium hydroxide production facilities with a single-line capacity of less than 50,000 tons per year. 5. Soda ash (excluding that produced through in-situ circulation processes and natural soda ash), caustic soda (excluding that produced by ion-exchange membrane caustic soda plants using industrial waste salts at a concentration of 40% or higher), yellow phosphorus, ammonium phosphate, sodium tripolyphosphate, sodium hexametaphosphate, phosphorus trichloride, phosphorus pentasulfide, calcium hydrogen phosphate, calcium carbonate (excluding that with a particle size of 100 nanometers or less), anhydrous sodium sulfate (excluding that produced as a by-product of salt manufacturing), barium carbonate, barium sulfate, barium hydroxide, barium chloride, barium nitrate, strontium carbonate, silica gel (excluding that produced by vapor-phase methods or through carbon dioxide acidification processes), and equipment for producing choline chloride (excluding relocation projects that do not result in an increase in production capacity under this category). 6. Facilities with an initial capacity of less than 30,000 tons per year, and a single-line production capacity of less than 10,000 tons per year for sodium cyanide (on a 100% basis); a single-line production capacity of less than 5,000 tons per year for lithium carbonate and lithium hydroxide (excluding those produced through recycling); facilities for the production of sodium dichromate using a low-calcium calcination process; dry-process aluminum fluoride production plants; and facilities for producing cryolite with a medium to low molecular weight ratio. 7. Nitrogen fertilizers made from petroleum and natural gas – purification process for raw gas in ammonia synthesis using the copper washing method. 8. Production facilities for highly toxic and persistent pesticides with significant environmental impacts (including oxalyl phosphoride, terbuthyl phosphate, chlorpyrifos, bromomethane, methomyl, aldicarb, carbofuran, sodium azide, acetophenone, warfarin, diphacinone, brodifacoum, bromadiolone, botulinum toxin, bisulfotin, aluminum phosphide, organochlorine and organotin pesticides, carbendazim fungicides, sodium/potassium nitrophenolate, mesotrione, phosmet, dimethoate, fipronil, bromoxynil, flubendiamide, cypermethrin, acephate, carbendazim, butyl hydrazide, etc.). 9. Production equipment for glyphosate, chlorpyrifos, triazophos, paraquat, chlorothalonil, abamectin, imidacloprid, acetochlor, chloropicrin, alachlor, 2,4-D, nitenpyram, thiamethoxam, atrazine, butachlor, dichlorophenol, oxyfluorfen, mesotrione, diuron, glyphosate ammonium salt, picloram, mancozeb, trichlorfon, propiconazole, iprodione, paclobutrazol, and lime sulfur. 10. Titanium dioxide produced by the sulfuric acid method (except those using a co-production process), lead chromate yellow, iron oxide-based pigments with an annual production capacity of 30,000 tons or less, solvent-based coatings (except those that are encouraged for use and their corresponding production processes), powder coating production facilities containing triglycidyl isocyanurate (TGIC) (except closed-system production facilities), and nitrocellulose coating production facilities with a VOC content of over 75%. 11. Production facilities for non-new-type, functional, environment-friendly dyes, pigments, printing and dyeing auxiliaries, and intermediates. 12. Hydrogen fluoride (HF, for internal use in downstream processing by enterprises, except for those used in electronic applications and in the production of wet phosphoric acid); new methylchlorosilane production facilities with an initial capacity of less than 200,000 tons per year and a single-unit capacity of less than 100,000 tons per year; methane chloride production facilities with a capacity of less than 100,000 tons per year (except for those used in silicone production), as well as those with a capacity of 100,000 tons per year or more but without facilities for dealing with the by-product carbon tetrachloride; dichlorofluoromethane production facilities without facilities for dealing with the by-product trifluoromethane; sulfur hexafluoride (SF6) production facilities for acceptable uses (except for high-purity grades); and production facilities for HFCs such as hydrogen difluoride (HFC-32), 1,1,1,2-tetrafluoroethane (HFC-134a), pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a), and 1,1,1,3,3-pentafluoropropane (HFC-245fa), used for controlled purposes such as as refrigerants and foam agents (excluding facilities for handling by-products). 13. Items of chemicals listed in the “List of Chemicals Subject to Priority Control” (First Batch, Second Batch). 14. Production facilities for bias tires, bicycle tires (including those for handcarts), nylon cords, steel cord with an annual production capacity of 50,000 tons or less, recycled rubber (except those produced using normal-pressure continuous environmental-friendly desulfurization processes), the rubber plasticizer penta-chlorothiophenol, and the rubber accelerator tetramethylthiuram disulfide (TMTD). 15. Intermittent or semi-intermittent batch nitration process (27 chemicals including nitrobenzene are prohibited; conversion to be completed by 2026). The 27 chemicals involved in the production process via nitration include: nitrobenzene, dinitrobenzene, nitrotoluene, dinitrotoluene, nitrochlorobenzene, dinitrochlorobenzene, ethofenprox, O-methyl-N-nitroisourea, flazasulfuron, 2,5-dichloronitrobenzene, 3-nitrophthalic acid, 2,4-dichloro-5-fluorophenylacetone, nitroguanidine, 5-chloro-2-nitroaniline, 2,4-dichloronitrobenzene, 2,4-difluoronitrobenzene, fenbendazole, albendazole, dimethenamid, mesotrione, flusulfuron, 4-chloro-2,5-dimethoxynitrobenzene, 2-nitro-4-acetamidomethoxybenzene, 3,4-difluoronitrobenzene, 1-amino-8-naphthol-3,6-disulfonic acid (H-acid), 2-nitro-4-methanesulfonylbenzoic acid, 6-nitro-1,2-diazinoxynaphthalene-4-sulfonic acid (6-nitro). 16. Electrically heated reactors with internally injected heat transfer oil and no cooling measures (oil-bath reactors, oil baths) (Their use is prohibited for reactions involving keyly regulated hazardous chemical processes; all such operating equipment must be replaced by 2025). 17. For enterprises that produce or store hazardous chemicals with a safety risk assessment rating of „red“ or „orange“, they are required to make improvements within a specified time frame; new construction and expansion projects are restricted, and these enterprises fall under strict control and supervision (with the exception of projects related to safety, environmental protection, energy conservation, and intelligent upgrades). 18. For high-risk process units involving nitration, chlorination, fluorination, diazotization, peroxidation, etc., the supporting equipment upstream and downstream has not achieved full automation across the entire process, including raw material handling, reaction steps, distillation and purification, as well as product storage (packaging). Note: ① Items not listed in this “Catalogue” but for which **relevant regulations exist shall be governed by such regulations.

Category 3: Eliminated types 1. Modified starch, modified fibers, multi-colored interior wall coatings (O/W type coatings with nitrocellulose as the resin and xylene as the solvent), vinyl chloride-vinylidene chloride copolymer emulsion exterior wall coatings, tar-based polyurethane waterproofing materials, water-based polyvinyl chloride tar waterproofing materials, polyvinyl alcohol and its acetal derivatives for interior and exterior walls (such as 106, 107 coatings), and polyvinyl acetate emulsion exterior wall coatings (including vinyl/vinyl acetate copolymer emulsions). 2. Interior wall coatings, solvent-based wood finishes, toys, automobiles, and exterior wall coatings with levels of harmful substances exceeding the standards; coatings containing hazardous substances such as bis(pentachloroethyl) ether, tributyl tin, perfluorooctanoic acid and its salts, perfluorooctanesulfonic acid, and red lead. 3. Azo dyes that decompose under reducing conditions to produce 24 harmful aromatic amines (use in non-textile applications is suspended) and nine carcinogenic dyes (use in applications where there is no direct contact with the human body is suspended). 4. Paint removers containing benzene, phenol, benzaldehyde, and dichloro- or trichloromethane; lithopone; polyvinyl chloride building sealants (tar-type); 107 glue (polyvinyl formaldehyde adhesive); clenbuterol; polychlorinated biphenyls (transformer oil). 5. Highly toxic pesticide products: BHC, dibromoethane, butyraldehyde hydrazide, dicofol, oxafluorfen, methomyl, warfarin, fluoroacetamide, sodium fluoroacetate, dibromochloropropane, chlorsulfuron (Suhua 203), phosphamidone, gadolinium fluoride, coumaphos, methamidophos, parathion, methyl parathion, monocrotophos, thiodicarb (ethyl thiodicarb), arsenic acid esters, mercury compounds, lead compounds, aqueous solutions with a glyphosate content of less than 30%, methyl thiodicarb, calcium phosphide, zinc phosphide, phenylphos, diazinon, magnesium phosphide, phoxim, deltamethrin, terbutyl thionephos, carbaryl, 2,4-D butyl ester, isobutyl phenylphos, acetamiprid, fenitrothion, nonylphenol (pesticide additive), dicofol, chlorimuron-ethyl, bispyribac-sodium. 6. Products to be phased out in accordance with the requirements of the **Overall Plan for Implementing International Conventions: chlordane, heptachlor, bromomethane, DDT, hexachlorobenzene, mirex, lindane, toxaphene, aldrin, dieldrin, endrin, endosulfan, flubendiamide, chlordecone, α-hexachlorocyclohexane, β-hexachlorocyclohexane, hexachlorobutadiene, polychlorinated biphenyls, pentachlorobenzene, hexabromobiphenyls, tetrabromodiphenyl ethers and pentabromodiphenyl ethers, hexabromodiphenyl ether and heptabromodiphenyl ether, hexabromocyclododecane, perfluorooctanesulfonic acid and its salts and perfluorooctanesulfonyl fluoride, perfluorohexanesulfonic acid (PFHxS) and its salts and related compounds, perfluorooctanoic acid (PFOA) and its salts and related compounds, decabromodiphenyl ether, short-chain chlorinated paraffins, pentachlorophenol and its salts and esters, polynuclear aromatics hydrocarbons (exempted uses are subject to restrictions). 7. Atmospheric and vacuum distillation units with a capacity of 72 million tons per year or less (except those that meet certain conditions), batch distillation units that use open-flame high-temperature heating to produce oils, home-based processes for refining rubber and plastics, processes for producing asphalt via the intermittent tar method, single units for refining crude (light) benzene with a capacity of 25,000 tons per year or less, and single units for processing coal tar with a capacity of 50,000 tons per year or less. Phosphoric ammonium fertilizers with an annual production capacity of less than 81,000 tons (excluding industrial-grade products) (as of December 31, 2025); processes for producing acid from pyrite and sulfur with an annual output of less than 100,000 tons; potassium permanganate production using the open-hearth oxidation method; caustic soda production facilities employing the diaphragm process (these may be retained for the comprehensive utilization of waste salt); processes for producing sodium sulfide via the open-hearth method and large-pot evaporation method; processes for producing sodium silicate (water glass) using the Glauber’s salt method; and the batch coke-based process for producing carbon disulfide. 9. The saponification process using the chlorohydrin method for propylene oxide and epichlorohydrin, as well as the calcium-based method (with the exception that by December 31, 2025, the amount of fresh water used per ton of product shall not exceed 15 tons and the amount of waste generated shall not exceed 100 kilograms); phosphorus yellow production facilities with an annual capacity of less than 5,000 tons per unit; facilities for calcining chromium compounds using calcium; facilities for producing ordinary-grade barium sulfate, barium hydroxide, barium chloride, and barium nitrate with a single-line capacity of less than 3,000 tons per year; sodium chlorate production facilities with a capacity of less than 10,000 tons per year; calcium carbide furnaces, open-type calcium carbide furnaces, and internal-combustion calcium carbide furnaces with a furnace capacity of less than 12.5 megavolts-amps; facilities for producing (poly)vinyl chloride using the acetylene method with high-mercury catalysts (containing more than 6.5% mercury chloride); facilities for producing sodium methoxide, potassium methoxide, sodium ethoxide, potassium ethoxide, polyurethanes, acetaldehyde, caustic soda, biological pesticides, and topical antibacterial agents using mercury or mercury compounds; as well as the sodium amide method and the cyanide melt process using sodium cyanide. 10. Production facilities with a single-line capacity of less than 10,000 tons per year for sodium tripolyphosphate, less than 0.5 million tons per year for sodium hexametaphosphate, less than 0.5 million tons per year for phosphorus trichloride, less than 30,000 tons per year for calcium hydrogen phosphate used in feed production, less than 5,000 tons per year for hydrofluoric acid whose production processes are outdated and cause severe pollution, as well as wet-process aluminum fluoride and open-crystallization fluoride salt production facilities. 11. Production facilities with a capacity of less than 0.3 million tons per year for sodium cyanide (100% sodium cyanide), less than 1 million tons per year for potassium hydroxide, less than 15,000 tons per year for ordinary-grade silica, less than 20,000 tons per year for ordinary-grade calcium carbonate, less than 100,000 tons per year for ordinary-grade anhydrous sodium sulfate (excluding that produced as a by-product of salt manufacturing), less than 0.3 million tons per year for lithium carbonate and lithium hydroxide (excluding that obtained from the recycling of used lithium batteries), less than 20,000 tons per year for ordinary-grade barium carbonate, and less than 15,000 tons per year for ordinary-grade strontium carbonate. 12. Liquid-phase desulfurization of semi-water gas using ammonia water; processes for producing synthetic ammonia via atmospheric-pressure batch conversion of natural gas; atmospheric-pressure shift and medium-temperature shift (high-temperature shift) processes for carbon monoxide; wet desulfurization processes lacking associated sulfur recovery units; urea production facilities without corresponding process condensate hydrolysis and desorption units; and the process technology wherein high-temperature gas washing water is cooled by direct contact with air in open cooling towers. 13. Sodium-based paraquat production process; alkaline method for producing trichlorfon and dichlorvos; manual packaging (filling) processes and equipment for pesticide products in small packages (1 kilogram and below); production of pesticide powders using Raymond mills; facilities for producing pentachlorophenol (sodium) using hexachlorobenzene as a raw material. 14. Production processes for resin used in coatings that are directly heated by fire, and for chlorinated rubber produced using the carbon tetrachloride solvent method; production facilities for saponins (including hydrolysates) with a capacity of less than 100 tons per year; production processes for saponins using hydrochloric acid hydrolysis; and saponin production facilities where pollutant emissions fail to meet standards. The iron powder reduction process [the production of three products—4,4’-diaminostilbene-2,2’-disulfonic acid (DSD acid), 2-amino-4-methyl-5-chlorobenzenesulfonic acid (CLT acid), and 1-amino-8-naphthol-3,6-disulfonic acid (H acid)—is postponed for implementation]. Production facilities for 155,000 units per year or less of bias tires and tires with natural cotton cord as their reinforcement structure, dry-pelletized carbon black (except for special carbon blacks and semi-reinforcing carbon blacks), 300 million condoms per year or less made from natural latex, as well as rubber vulcanization accelerators such as N-oxodicy(1,2-ethanediyl)-2-benzothiazolysulfenamide (NOBS), and rubber antioxidants D. 16. Chlorofluorocarbons (CFCs) used for controlled applications such as refrigeration, foaming, and cleaning; hydrochlorofluorocarbons (HCFCs), except those used as raw materials for downstream chemical products; 1,1,1-trichloroethane (methyl chloroform) used for cleaning; products primarily produced from carbon tetrachloride (CTC) and all products that use CTC as a processing aid; fluoropolymer production processes that employ PFOA as a processing aid; coatings containing DDT; and production facilities for chlorpyrifos that use DDT as a raw material in non-enclosed processes (to be phased out in accordance with the requirements of the **overall plan for implementing international conventions**). Note: ① Items that need to be phased out must be eliminated immediately or within a specified time frame (before the expiration of their licenses). ②If not included in this Catalogue but **relevant regulations exist, those regulations shall apply. Category 4: Encouragement type

Category 4: Incentive category 1. Development and production of new downstream products based on silicone. 2. Raw materials for synthetic materials: propylene oxide produced by the oxidation of propylene with peroxides, epichlorohydrin produced by the oxidation of chloropropene with peroxides, dimethyl naphthalate (NDC), 1,4-cyclohexanedimethanol (CHDM), adiponitrile produced via the butadiene process at a capacity of 50,000 tons per year or more, hexamethylenediamine, and norbornene production. 3. Production of polyethylene polyamine products. 4. Development and production of high-end polyolefins such as high-carbon α-olefin copolymerized metallocene polyethylene, and COC/COP cycloolefin polymers. 5. Production of synthetic fiber raw materials: 1,3-propanediol. 6. Production of engineering plastics and plastic alloys: polyphenylene sulfide, polyether ether ketone, polyimide, polysulfone, polyethersulfone, polyarylate (PAR), polyphenylene oxide, special polyamides (PA) and their modified materials, liquid crystal polymers, and other products. 7. Fine chemicals: new catalyst products and technologies, commercialization processing technologies for dyes (pigments), electronic chemicals and papermaking chemicals, leather chemicals, oilfield additives, surfactants, as well as safe production technologies for ethylene oxide purification using nitrogen-protected double-shell towers; production of water treatment agents and key raw materials. Production of high-solid-content, solvent-free, water-based, electron-beam-cured, UV-cured, and reactive adhesives, along with key raw materials such as high-end butyl acrylate and high-end octyl acrylate, polyester polyols, and curing agents. Production of sealants, adhesive tapes, and key raw materials. Production of new types of plastic additives that are efficient, safe, and environmentally friendly, such as polyester-based plasticizers, halogen-free flame retardants, permanent antistatic agents, organic heat stabilizers, and nucleating agents. Production of inorganic fibers and inorganic nanomaterials. Advanced processing of pigment coating treatments. Development and production of environmentally friendly surface treatment technologies. Development and production of fine chemical products based on humic acid. 8. Development, storage, transportation, and liquefaction of green hydrogen production technologies (hydrogen production from chemical by-products, biohydrogen, hydrogen production via water electrolysis using renewable energy, etc.). 9. Production and supply of large-scale, high-pressure, high-purity industrial gases (including electronic gases). 10. Production by recovering fluorine resources from phosphorus chemicals and aluminum smelting. 11. Focusing on strategic emerging industries such as next-generation information technology, biotechnology, new energy, and high-end equipment, expand the range of product types and specifications for materials like organofluorosilicon, polyurethane, and polyamide. Accelerate the development of products such as high-end polyolefins, electronic chemicals, industrial specialty gases, high-performance rubber and plastic materials, high-performance fibers, bio-based materials, and specialized lubricants. 12. Promote the high-end, diversified, and low-carbon development of the coal chemical industry; develop modern coal chemistry in a steady and orderly manner in accordance with the principles of giving priority to ecology, determining production based on water availability, implementing total quantity control, and fostering clustered development. 13. Simplify the structure of olefin feedstocks, optimize the structure of aromatic feedstocks, and improve the utilization level of by-product resources such as C5 and C9 compounds. 14. Accelerate the development of coal-based chemicals into new chemical materials and new energy sources; advance coal-based oil and gas toward high-value products such as special fuels and advanced chemicals; and focus on improving the quality control standards for coal-based ethylene glycol. 15. Resource utilization and harmless treatment of phosphorus-potassium associated resources, industrial waste salts, mine tailings, as well as yellow phosphorus off-gases, calcium carbide furnace gases, and refinery balance off-gases. 16. Research and application of chemical microreaction technology. 17. Research, development, and application of new technologies for safety instrumented systems and process control systems. 18. For hazardous chemical manufacturing enterprises that have been established outside chemical industrial parks and densely populated urban areas, and whose safety conditions and external safety distances meet the requirements of relevant laws, regulations and standards, as well as those that make significant contributions to the economic and livelihood development of cities and counties and play a guiding and supporting role in the high-quality development of the regional chemical industry, the people’s governments of cities, prefectures, directly-administered cities and Shennongjia Forest Region shall organize unified assessments of their safety and environmental protection conditions, and encourage such enterprises to carry out technological upgrades aimed at improving safety, environmental protection, energy efficiency, intelligence levels, and product quality. 19. For enterprises (projects) that use no toxic or hazardous chemicals, whose environmental impact assessment category is classified as a report form according to the \"List of Classification Management for Environmental Impact Assessment of Construction Projects\", and that do not require the preparation of environmental impact assessment documents – such as pesticide formulations, water-based coatings, lubricants, inks, rubber and plastic additives, and environmental protection additives – industrial development through concentrated layout and aggregation can take place in industrial (industrial) parks at the county level or above that have been established in accordance with the law. Industrial (manufacturing) parks that are developed in a concentrated manner should have clearly defined boundaries, and safety assessments and planning environmental impact evaluations must be carried out under the supervision of the people’s governments of cities (prefectures), directly-administered cities, and Shennongjia Forest Region. 20. For enterprises (projects) that utilize biomass waste from agriculture and aquaculture, food waste, as well as residues and by-products from industrial fermentation in sectors such as biomedicine and food processing to produce organic fertilizers, or that extract chemicals using biomass as raw material in resource-rich areas, the people’s governments of cities (prefectures), directly-administered cities, and Shennongjia Forest Region shall develop plans for their establishment. Such facilities can be built in a standardized manner using advanced production processes and equipment such as closed-system fermentation at the site where the waste is generated; they can also be constructed by the companies that generate the waste themselves, or in resource-rich areas nearby. 21. Enterprises above a specified size in industries such as shipbuilding, steel, electronic information, lithium battery materials, and the circular economy are supported in constructing industrial gas production facilities on their own premises to meet their own production needs, with the products from these facilities being used solely by those enterprises. 22. To support the five key industries of optoelectronic information, new energy and intelligent connected vehicles, life sciences and health, high-end equipment, and Beidou, enterprises and projects that fall under categories other than the chemical industry as defined in the \"National Economic Industry Classification\" (GB/T 4754–2017) – such as those producing electronic specialty materials involving chemical processes in the production phase (3985), chemical drug raw materials (271), food and feed additives (1495), synthetic fibers (282), and bio-based materials (283) – may be established and developed in provincial-level or higher-level development zones where downstream enterprises are located. This is possible provided that the production facilities and storage areas do not constitute major hazard sources, and no hazardous chemical processes are involved; such arrangements can be approved by the investment management departments of municipal (prefectural) or directly-administered city governments, in conjunction with the emergency management and environmental protection departments. 23. For newly constructed, renovated, and expanded projects, information-based safety monitoring, surveillance, and management should be employed to achieve unmanned operation on-site or to minimize the number of on-site workers to the greatest extent possible. Upstream and downstream supporting facilities for high-risk process units involving nitration, chlorination, fluorination, diazotization, peroxidation, etc., should be fully automated throughout the entire process; in principle, microreactor production processes such as microchannel and tubular reactors should be employed. It is encouraged to adopt fully enclosed continuous automatic production equipment in place of open or semi-closed batch production equipment. 24. High-risk process enterprises with a reaction safety risk assessment process hazard level of 3 or above are encouraged to adopt new equipment and technologies such as microchannels and tubular reactors. Note: ① Items not listed in this “Catalogue” but for which **relevant regulations exist shall be governed by such regulations.

【Ten Years of Rapid Development in Chemical Equipment】2622-2025: Filling a Gap in the International Market! Successful verification of the complete set of technologies for artificial cavern gas storage using compressors under the highest pressures in the world: https://bbs.hcbbs.com/thread-5698904-1-1.html (Source: Haichuan Chemical Industry Forum)

【Ten Years of Rapid Development in Chemical Equipment】By 2025, China will have built the world’s largest production base for polyurethane chain extenders. https://bbs.hcbbs.com/thread-5698998-1-1.html (Source: Haichuan Chemical Forum)

【Ten Years of Great Development in Chemical Engineering Equipment】2623-2025 Technology for Hardness Removal and Efficiency Enhancement in Coal Chemical Wastewater by SINOPEC Research Institute of Petroleum Processing https://bbs.hcbbs.com/thread-5698913-1-1.html (Source: Haichuan Chemical Engineering Forum)

【Ten Years of Rapid Development in Chemical Equipment】A 40,000-ton/year EPDM production plant with fully independent intellectual property rights – the entire production process has been established. https://bbs.hcbbs.com/thread-5699099-1-1.html (Source: Haichuan Chemical Forum)

【Ten Years of Rapid Development in Chemical Equipment】2628-2025: Purity exceeding 99.99997%! Major breakthrough achieved in natural gas helium extraction technology in our country! https://bbs.hcbbs.com/thread-5699125-1-1.html (Source: Haichuan Chemical Industry Forum)

【Ten Years of Rapid Development in Chemical Engineering Equipment】The core equipment for the world’s first 1,000-ton pilot plant for green hydrogen-based aviation fuel was successfully installed between 2030 and 2025. https://bbs.hcbbs.com/thread-5699223-1-1.html (Source: Haichuan Chemical Industry Forum)