English — Forum #337 (Page 20/163)

1. For chemical plant installation work, and regarding the use of \"fire receiving basins\" for high-altitude welding, which standards should be referred to? - HCBBS Forum
2. Reaction of urea with nitrosyl sulfate - HCBBS Forum
3. Legal and regulatory basis for the oxidizing properties of fuming sulfuric acid - HCBBS Forum
4. Key points for reviewing chemical process packages - HCBBS Forum
5. China National Petroleum has obtained a patent for a helium concentration device used in carbon dioxide-containing natural gas, which can effectively remove methane, ethane, nitrogen, and hydrogen to produce high-concentration helium - HCBBS Forum
6. The multi-functional polycondensation pilot plant at the Beijing Institute of Chemical Technology has been put into operation, and the first phase of the Tianjin facility is expected to be completed in full this year - HCBBS Forum
7. The China Association for Science and Technology has announced key scientific and technological challenges for 2025, with several projects in the field of chemistry and chemical engineering selected - HCBBS Forum
8. How should the ambient temperature be determined for electric heat tracing calculations? - HCBBS Forum
9. 【Ten Years of Rapid Development in Chemical Equipment】By 2024, China’s first facility capable of producing 10,000 tons per year of calcium sulfate whiskers from carbide slag was put into operation - HCBBS Forum
10. 5 patents from Sinopec won awards at the 25th China Patent Awards - HCBBS Forum
11. 【Frontiers in HaiChuan Chemical Technology】Achieving efficient acidic water electrolysis for hydrogen production through electron confinement at the surface of armored catalysts - HCBBS Forum
12. 【Ten Years of Rapid Development in Chemical Equipment】2227–2025: China’s First 50,000-ton/year Industrial Plant for the High-Specificity Polymerization of Ethylene to Produce α-Olefins - HCBBS Forum
13. 【Frontiers in HaiChuan Chemical Technology】New progress achieved in the research on adaptive oil-gel lubricating materials at Lanzhou Institute of Chemical Physics - HCBBS Forum
14. Sinopec has newly been granted an invention patent for \"Methods, devices, equipment, and storage media for characterizing the pore size distribution of solid materials\" - HCBBS Forum
15. An article introducing PSA purification technology - HCBBS Forum
16. How to prevent dust from adhering to the cleaned metal surface due to static electricity: antistatic measures - HCBBS Forum
17. New process for sodium metabisulfite - HCBBS Forum
18. What is a photoinitiator, and what are its main processes and applications? - HCBBS Forum
19. China’s Huaneng has applied for a patent related to an electrochemically mediated amine regeneration method for CO2 capture, in order to improve the adsorption efficiency - HCBBS Forum
20. 【Ten Years of Rapid Development in Chemical Equipment】From 2011 to 2025: China’s petroleum-based lubricants have broken the foreign monopoly on raw materials; progress has been made in producing domestic aviation base oils! - HCBBS Forum
21. Environmental Impact Assessment Approval for the Pilot Production Project in Guangzhou to Produce 1,000 Tons of Bio-based Polyester Elastomers per Year - HCBBS Forum
22. Is it feasible to use a combined platform on top of arch-shaped tanks with a diameter of 3.4 meters and a vertical height of over 7 meters? - HCBBS Forum
23. 【HaiChuan Chemical Project Updates】New 1.3 million-ton per year project in Yuncheng, Shanxi for producing LNG and hydrogen via coking furnace gas - HCBBS Forum
24. 【Frontiers of HaiChuan Technology】Wanhua Chemical and Dehe Technology work together to advance the development of cutting-edge domestic technologies for cryogenic liquid cargo containment systems in China - HCBBS Forum
25. Dual-power steam screw compressor workstation Set A (for steam pressure enhancement in power plants) — Shanghai Tongmu Energy Saving Technology Co., Ltd - HCBBS Forum
26. During the bidding process, what situations do you encounter that can lead to disqualification or loss of points? - HCBBS Forum
27. For the general layout plan of the factory site, the model is tilted; how can it be adjusted to be horizontal and vertical in the layout? - HCBBS Forum
28. 【Frontiers of HaiChuan Technology】Key Technical Equipment and Industrialization of the High-Performance Radial Tire Production System at Qingdao University - HCBBS Forum
29. Guys, does anyone have any calculation tables or software related to steam ejectors? - HCBBS Forum
30. 【Ten Years of Rapid Development in Chemical Equipment】The technology for producing maleic anhydride from butane using ionic liquids, 2194–2025, has been approved - HCBBS Forum
31. 【Ten Years of Rapid Development in Chemical Equipment】China’s first pilot-scale production facility for polypropylene-based elastomers was successfully put into operation in Tianjin from 2011 to 2024 - HCBBS Forum
32. Zhoubang Chemical has applied for a patent for a waste heat utilization system and waste heat recovery method for carbonate production plants, aimed at achieving energy savings in the distillation process - HCBBS Forum
33. Equipment for rapid removal of flammable and explosive dusts at high heights in workshops - HCBBS Forum
34. The Second Generation Coal-to-Oil Technology Project of Guoneng has been approved - HCBBS Forum
35. The effect of the reflux ratio in a distillation column on the column - HCBBS Forum
36. What is this device? - HCBBS Forum
37. Installation of the exhaust pipe flame arrester - HCBBS Forum
38. 【Ten Years of Rapid Development in Chemical Equipment】1616–2024: Internationally Leading! The key technologies for high-quality hexamethylenediamine produced by the caprolactam method have been verified - HCBBS Forum
39. What is the simplest method or tool that everyone has used to create a BOM? - HCBBS Forum
40. PRtools intelligent process design software gets further upgraded! Transform it into your ultimate drawing tool! - HCBBS Forum
41. Removable insulation system - HCBBS Forum
42. Seeking advice on particle size control in air jet milling - HCBBS Forum
43. [14 Advanced Energy-Saving and Carbon-Reduction Technologies and 12 Typical Cases in the Refining Industry] – Sinopec’s Flue Gas Turbine Energy-Saving Technology - HCBBS Forum
44. Have anyone here seen this type of cylindrical pipe fitting? - HCBBS Forum
45. Selection of downstream products of methanol. - HCBBS Forum
46. [14 Advanced Energy-Saving and Carbon-Reduction Technologies and 12 Typical Cases in the Refining Industry] Low-temperature Heat Generation for Steam Production and Its Efficient Utilization Technologies in Aromatic Compounds - HCBBS Forum
47. 【Frontiers in HaiChuan Chemical Technology】Scientists from the University of Electronic Science and Technology have successfully recovered high-purity ammonia from wastewater, contributing to the development of a closed-loop utilization system for nitrogen resources - HCBBS Forum
48. 【Frontiers in HaiChuan Chemical Technology】Breakthrough achieved by the Institute of Metal Research, Chinese Academy of Sciences, in the field of \"photocatalytic water splitting for hydrogen production\" - HCBBS Forum
49. What do the sliding supports and sliding plates in the diagram look like? I didn’t understand - HCBBS Forum
50. According to the specifications, are gaskets still required for steel-lined PTFE pipes? - HCBBS Forum
51. Introduction to the advantages of LYSY complexed iron desulfurization technology - HCBBS Forum
52. Complexed iron desulfurization catalyst: safeguarding industrial waste gas treatment - HCBBS Forum
53. 【Frontiers in HaiChuan Chemical Technology】New breakthrough achieved with domestically produced vanadium catalysts for EPDM - HCBBS Forum
54. The pilot-scale technology development project at Yanshan Petrochemical for the production of 4M1P via 200-ton propylene dimerization is expected to begin construction in February 2025 - HCBBS Forum
55. Structural characteristics of microchannel reactors - HCBBS Forum
56. Green Future: Chelated iron desulfurization technology drives efficient industrial development - HCBBS Forum
57. 【Frontiers in HaiChuan Chemical Technology】Chinese scientists have synthesized the “hexagonal warriors” in diamonds” - HCBBS Forum
58. 【Frontiers in HaiChuan Chemical Technology】Researchers from Fudan University achieved efficient depolymerization of polyamides through alcoholysis under mild conditions - HCBBS Forum
59. 【Ten Years of Rapid Development in Chemical Equipment】The pilot project for the production of jet fuel fractions via Fischer-Tropsch synthesis on a scale of 1,000 tons per year successfully completed its first set of tests between 2022 and 2024 - HCBBS Forum
60. Technology for producing lithium carbonate from salt lake brine awarded a prize - HCBBS Forum
61. 【Ten Years of Rapid Development in Chemical Equipment】From 2017 to 2024, significant breakthroughs were achieved in the research, development, and application of technologies related to the production of aromatic hydrocarbons from diesel through adsorption, as well as the downstream utilization of these aromatic hydrocarbons by CNPC - HCBBS Forum
62. Do you have any recommendations for good English translation websites or software for chemical engineering design or chemistry? Reward for recommendations! - HCBBS Forum
63. China Chengda Engineering Co., Ltd. has obtained a patent titled “A spraying device for the hydrogenation of carbon dioxide to p-tert-butylbenzene” - HCBBS Forum
64. 【Ten Years of Rapid Development in Chemical Equipment】From 2013 to 2025, the pressure swing adsorption technology developed by the Southwest Research Institute for the recovery and utilization of industrial by-gas has been applied in over 1,000 units - HCBBS Forum
65. If several pipelines with different pressures converge into one, could there be a phenomenon of mutual pushing? - HCBBS Forum
66. 【Ten Years of Rapid Development in Chemical Equipment】2004–2024: The World’s First 5,000-ton/year Vinyl Polyolefin Elastomer (E-POE) Production Project - HCBBS Forum
67. What spare parts are needed for pneumatic valves, pressure transmitters, temperature transmitters, etc.? - HCBBS Forum
68. 【Ten Years of Rapid Development in Chemical Processing Equipment】Over the past 10+ years, efforts have been made from 2516 to 2025 to develop silicon-aluminum-based artificial zeolite molecular sieves that enable the conversion of low-concentration gas into valuable resources - HCBBS Forum
69. 【Frontiers of HaiChuan Technology】Chinese scientists successfully develop a new type of \"night glow\" material - HCBBS Forum
70. Shaanxi Beiyuan Chemical has obtained a patent for a composite furnace device for converting carbon dioxide and its method of use - HCBBS Forum
71. Limits on building height - HCBBS Forum
72. 【Ten Years of Rapid Development in Chemical Equipment】2111–2024: China’s First Pilot Plant for Marine Chemicals Put into Operation at Shandong Haihua - HCBBS Forum
73. 【Frontiers in HaiChuan Chemical Technology】A professor from Shenyang Aerospace University has developed a cutting-edge product in the coating industry – PolySheng polyurea, a new type of highly tough protective material - HCBBS Forum
74. On the supervision and inspection of welding procedure qualification - HCBBS Forum
75. What type is suitable for use as a sight glass in equipment where low temperatures cause material to crystallize? - HCBBS Forum
76. Storage process for base oil tanks - HCBBS Forum
77. Exploring the production process of wine - HCBBS Forum
78. \"Handbook of Chemical Process Design\": Power calculation for isothermal compression of compressors - HCBBS Forum
79. How much do you know about vinyl polyolefin elastomers (E-POE)? - HCBBS Forum
80. Feed metering - HCBBS Forum
81. 【History of Haichuan Chemical】The Birth of China’s First Large-Scale Modern Alcohol Plant - HCBBS Forum
82. 【Frontiers in HaiChuan Chemical Technology】Progress achieved at Dalian Institute of Chemical Physics in using artificial intelligence for catalyst synthesis - HCBBS Forum
83. 【Frontiers in HaiChuan Chemical Technology】A ring carbon structure composed of 48 carbon atoms has been developed - HCBBS Forum
84. I recommend PHACloud, the cloud-based version for HAZOP analysis, LOPA analysis - HCBBS Forum
85. Lanzhou Institute of Chemical Physics completed the paving of a road using modified asphalt mixtures made from retired wind turbine blades as a demonstration project - HCBBS Forum
86. This article provides a detailed overview of the wet flue gas desulfurization process - HCBBS Forum
87. 【Ten Years of Rapid Development in Chemical Engineering Equipment】2105–2024: The World’s First SUGET Pure Oxygen Pressured Fluidized Bed Biomass Gasification Furnace - HCBBS Forum
88. Discharge volume of the steam safety valve - HCBBS Forum
89. 【Frontiers in HaiChuan Chemical Technology】The “Innovation Accelerator” at the Qinghai Salt Lake Institute of the Chinese Academy of Sciences transforms the \"magnesium problem\" associated with Qinghai’s salt lakes into a source of \"magnesium resources\"” - HCBBS Forum
90. 【Frontiers in HaiChuan Chemical Technology】Anhui University of Technology develops a new type of \"metal oxide-molecular sieve\" composite catalyst and proposes a new process for the synthesis of p-xylene - HCBBS Forum
91. 【Ten Years of Great Development in Chemical Equipment】From 1961 to 2024, the new generation of anthraquinone hydrogenation catalysts have achieved excellent results - HCBBS Forum
92. May I ask, for electrical and structural construction drawings, in what situations is it mandatory to affix the registered professional seal? Do they all have to be? - HCBBS Forum
93. Sinopec has been granted an invention patent: “A method for preparing 5-hydroxymethylfurfural and 2,5-furandicarboxylic acid”” - HCBBS Forum
94. What is the difference between a zigzag stitch and a T-stitch? - HCBBS Forum
95. 【Ten Years of Rapid Development in Chemical Equipment】2165–2022: Breaking Monopolies! Zhenhai 3,000-ton high-regularity polybutylene-1 industrial demonstration plant - HCBBS Forum
96. 【Frontiers in HaiChuan Chemical Technology】Dalian Institute of Chemical Physics develops a single-atom catalyst for the highly selective oxidation of ethanol to glycolic acid - HCBBS Forum
97. 【Ten Years of Rapid Development in Chemical Equipment】From 2061 to 2024, China’s first pilot-scale production facility for polypropylene-based elastomers (PBE) achieved full-process operation - HCBBS Forum
98. The development process of high-gloss impact-resistant polypropylene - HCBBS Forum
99. What are the differences between these explosion protection ratings for solenoid valves? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
100. 【Ten Years of Rapid Development in Chemical Engineering Equipment】2282-2025: The coal gas and water internal circulation reduction technology developed by the Coal Research Institute has passed evaluation - HCBBS Forum