English — Forum #337 (Page 18/163)

1. Sharing of standards for titanium pipe fittings and titanium flanges - HCBBS Forum
2. Experts, I would like to ask how to calculate the amount of fastening material required for insulation equipment - HCBBS Forum
3. 【Fire Classification in Petrochemical Regulations】Video – Part 3: Common Codes and Standards for Chemical Engineering Design - HCBBS Forum
4. 【Ten Years of Rapid Development in Chemical Equipment】Industrial-scale test setup calibration completed for green cyanate ester production technology from 2035 to 2025 - HCBBS Forum
5. Are there any differences between WN/RF and PL/RF for flanges of pneumatic valves, valves, etc.? - HCBBS Forum
6. A terrifying regulation is about to be introduced. Scholars from HaiChuan, what are your thoughts on this? - HCBBS Forum
7. Winter insulation plan - HCBBS Forum
8. Which department is responsible for tracking the small air supply pipes, connectors, triple unions, etc. on the instruments? Piping or instrumentation? - HCBBS Forum
9. 【Ten Years of Rapid Development in Chemical Equipment】From 2004 to 2025: Evolution and upgrading of fluidized-bed hydrogen peroxide technology in China’s petrochemical industry, breaking through foreign technological blockades - HCBBS Forum
10. 【Frontiers in HaiChuan Chemical Technology】Dalian Institute of Chemical Physics develops a hybrid electrochemical green propellant, which was used on the Tianzhou-9 cargo spacecraft to enable in-orbit operation - HCBBS Forum
11. Is your design institute doing well? - HCBBS Forum
12. Youthful Years (UID: 860301) takes on the role of head of the Chemical Engineering region - HCBBS Forum
13. 【Ten Years of Great Development in Chemical Equipment】1973–2024 – Like it! World’s largest glass sphere buried 700 meters underground has been built! ! - HCBBS Forum
14. Recruitment for professionally designated chemical industrial parks in Tianjin - HCBBS Forum
15. High-efficiency Claus sulfur recovery technology from Qilu Petrochemical Research Institute - HCBBS Forum
16. Scale-up of chemical processes - HCBBS Forum
17. Seeking advice on pressure testing for pressure pipelines - HCBBS Forum
18. What is the fire hazard classification for hydrogen peroxide with a concentration of 8% or less, and what are the criteria used for this classification? - HCBBS Forum
19. 【Frontiers in HaiChuan Chemical Technology】South Korean researchers have developed a new polymer with strength comparable to that of nylon that can degrade in the ocean - HCBBS Forum
20. May I ask if it is possible to adjust the set pressure of the safety valve on-site by oneself? What standard procedures are required? - HCBBS Forum
21. Sinopec (Beijing) Research Institute of Chemical Engineering, Yanshan Branch – Pilot Project on the Application of Key Raw Materials and Products for High-Carbon α-Olefins - HCBBS Forum
22. Calculation of the required volume for the emergency tank - HCBBS Forum
23. N,N-N-octylaminedimethylenephosphonic acid (OADMPPA) - HCBBS Forum
24. What is the difference between four-wire and two-wire instrumentation? Does two-wire system require power supply? - HCBBS Forum
25. Shaanxi Huiyi Energy Technology, in collaboration with Xi’an Jiaotong University, is establishing a R&D platform for common technologies related to liquid hydrogen at normal temperature and pressure in Shaanxi Province - HCBBS Forum
26. The construction of chemical pilot plants urgently requires support from multiple factors such as industrial collaboration, safety and environmental standards, advanced processes, and financial services - HCBBS Forum
27. Could you recommend any manufacturers that are specialized in fiberglass-reinforced plastic anti-corrosion solutions? - HCBBS Forum
28. First pigging operation before the commissioning of a long-distance natural gas pipeline - HCBBS Forum
29. 【Ten Years of Rapid Development in Chemical Equipment】The 2531-2025 Donghua biomass pressurized gasification technology project has been launched; the gasifier for Donghua Technology’s biomass gasification pilot development project has been installed - HCBBS Forum
30. 【Frontiers in HaiChuan Chemical Technology】Breakthrough achieved in photocatalytic plastic decomposition technology at the Institute of Metal Research, Chinese Academy of Sciences - HCBBS Forum
31. A comprehensive guide to PSA biogas purification technology - HCBBS Forum
32. Reactor stirring frame dimensions - HCBBS Forum
33. The Liaohe Petrochemical Heavy Oil Deep Processing Pilot Platform has been selected for the Liaoning Province Pilot Base Construction Project - HCBBS Forum
34. 【Ten Years of Rapid Development in Chemical Engineering Equipment】Major breakthroughs were achieved in the pilot-scale research on flue gas sulfur production technology from 1990 to 2024 - HCBBS Forum
35. 【Ten Years of Rapid Development in Chemical Equipment】Commissioning of China Sinochem’s 5,000-ton pilot plant for methanol production via carbon dioxide hydrogenation, 1623–2023 - HCBBS Forum
36. How to remove impurity ions from platinum-carbon catalyst solutions - HCBBS Forum
37. 【Frontiers in HaiChuan Technology】ZhongKe KeLe plans to build multiple high-end polyolefin material testing lines - HCBBS Forum
38. 【Frontiers in HaiChuan Technology】Tianjin University develops a super-cold-resistant electronic skin material based on polydimethylsiloxane supermolecular elastomers - HCBBS Forum
39. Hydrochloric acid purification iron-removing resin, hydrochloric acid decolorization adsorption resin - HCBBS Forum
40. The issue of indirect steam heating of solid materials in high-altitude areas - HCBBS Forum
41. A production process technology for glucuronic acid lactone (biological method) - HCBBS Forum
42. Are there any regulations stating that pipelines for flammable and explosive substances should not be installed adjacent to water pipes, air pipes, etc., in the same pipeline tray? - HCBBS Forum
43. 【Frontiers in HaiChuan Chemical Technology】Complete regeneration of the catalyst more than 100 times in a chlorine-free oxidation atmosphere achieved for the first time - HCBBS Forum
44. How is performance evaluated when multiple people weld the same weld in a project? - HCBBS Forum
45. Preparation methods of asphalt-based carbon fibers and research on their industrialization - HCBBS Forum
46. Construction of Geely’s 1,000-ton per year pilot project for methanol production via carbon dioxide hydrogenation begins - HCBBS Forum
47. I would like to ask about the relevant standards and specifications for liquid sodium cyanide and solid sodium cyanide - HCBBS Forum
48. The Ordos Modern Coal Chemical Industry Innovation Technology Pilot Base has been officially put into use - HCBBS Forum
49. Is the self-acting nitrogen relief valve considered a safety relief device as required by the codes? - HCBBS Forum
50. 【Frontiers of HaiChuan Technology】Over 2,400 pilot manufacturing platforms have been established across the country - HCBBS Forum
51. Transportation issues of tetrafluoroethylene and trifluoroethylene gases - HCBBS Forum
52. Selection of thermal insulation and heat retention materials - HCBBS Forum
53. 【Ten Years of Rapid Development in Chemical Equipment】The Largest in the World from 2023 to 2025! Anhui’s ordinary carbon dioxide-based polycarbonate polyol (PCE) production line has been officially put into operation - HCBBS Forum
54. Looking for recommendations for instant consecutive elimination devices - HCBBS Forum
55. 【Frontiers in HaiChuan Chemical Technology】Dalian Institute of Chemical Physics discovers a new phenomenon where spinel-supported confined monodisperse zinc oxide decouples hydrogen activation from carbon dioxide adsorption - HCBBS Forum
56. The commissioning of the world’s first pilot-scale megawatt-class air thermodynamic cycle energy storage (CASE) system in the Qingshan Industrial Park in Luliang, Qujing City, Yunnan is in full swing - HCBBS Forum
57. Thanks to the proprietary technology of Sinochem Southwest Research Institute, the helium purification project at Tianjin General Electric Company has been put into operation - HCBBS Forum
58. How much energy is required to cool ethylene from room temperature to -40°C? - HCBBS Forum
59. 【Frontiers of HaiChuan Technology】The superconducting linear plasma device at the Hefei Institute of Physical Science, Chinese Academy of Sciences, has been built and put into operation - HCBBS Forum
60. 【Ten Years of Rapid Development in Chemical Engineering Equipment】Significant progress has been made in the generation of electricity from low-concentration gas at the Lujiayu Gas Power Plant operated by Jinneng Holding from 2019 to 2025 - HCBBS Forum
61. 【Ten Years of Rapid Development in Chemical Equipment】The research project on the adaptability of sulfate alkylation and ionic liquid alkylation processes from 2341 to 2025 has passed the approval by the headquarters - HCBBS Forum
62. Considerations for safety facilities in dust feeding - HCBBS Forum
63. A brief discussion on the proper selection of seamless steel pipes - HCBBS Forum
64. Improving safety in the hydrogen peroxide industry: Enhancing the inherent safety level of the industry through innovative advancements in process technology - HCBBS Forum
65. 【Frontiers in HaiChuan Chemical Technology】Researchers from the University of Science and Technology of China used PLA and TPU materials for 3D printing of biomimetic gradient structural materials that can resist high-speed impacts - HCBBS Forum
66. In the chemical industry, in which products are magnesium silicate adsorbents mainly used? - HCBBS Forum
67. Implementation Guide for Ensuring Construction Project Quality Standards - HCBBS Forum
68. Mycelium concentration and drying equipment – seeking recommendations - HCBBS Forum
69. I would like to ask: at a flow rate of 300 cubic meters per hour, with the main pipe connected in parallel to 6 towers, what methods can be used to ensure that each tower has a flow rate of 50 cubic meters per hour? - HCBBS Forum
70. Steam jet pump recovers deaerator waste steam - HCBBS Forum
71. Shandong Kaisheng New Materials’ patent for “Method for preparing chloroacetyl chloride using reaction and distillation in a single tower, and integrated tower manufacturing apparatus” - HCBBS Forum
72. I was wondering if fillers can easily clog the pipes. Are there any good discharge valves or discharge methods for unloading material from the bottom of the tower? - HCBBS Forum
73. Aerogel - HCBBS Forum
74. 【Frontiers in HaiChuan Chemical Technology】Peking University scientists solve the challenge of high-value recycling of mixed plastic waste - HCBBS Forum
75. Dust explosion prevention - HCBBS Forum
76. 【Ten Years of Rapid Development in Chemical Equipment】The pilot-scale technology for the catalytic conversion of biomass into ethylene glycol on a thousand-ton scale was evaluated as successful between 2032 and 2024 - HCBBS Forum
77. 【Ten Years of Rapid Development in Chemical Equipment】2020–2025: Wanhua Chemical’s World’s First Bio-based 1,3-Butanediol - HCBBS Forum
78. 【Frontiers in HaiChuan Technology】Peking University’s new catalytic process converts waste polyurethane into valuable polymers - HCBBS Forum
79. Problems that Deepseek cannot solve will be addressed by Haichuan. There are several hypothetical questions; feel free to improve them or provide answers. - HCBBS Forum
80. Waste heat recovery design consultation - HCBBS Forum
81. Phase Diagrams of Water-Salt Systems and Their Applications (2nd Edition Electronic Version) - HCBBS Forum
82. 【Frontiers of HaiChuan Technology】Ocean University of China makes significant progress in the field of electrocatalytic plastic upgrading and recycling - HCBBS Forum
83. 【Ten Years of Rapid Development in Chemical Equipment】2376–2025: Shanghai Puhé’s world’s first SUGET biomass gasification furnace was successfully ignited - HCBBS Forum
84. 【Frontiers in HaiChuan Chemical Technology】Breakthroughs achieved in the research on polymer water-lubricating materials at Lanzhou Institute of Chemical Physics - HCBBS Forum
85. The centrifugal compressor features four stages of compression; will reducing the pressure at the outlet of the high-pressure cylinder affect the pressure at the inlet of the low-pressure cylinder? - HCBBS Forum
86. Functions of internal components in tandem expanders - HCBBS Forum
87. Case Study on the Modification of the Sealed Sampling Valve for Active Pharmaceutical Ingredients in Pesticide Plants - HCBBS Forum
88. Carbon dioxide phase-change energy storage and compressed air energy storage - HCBBS Forum
89. 【Frontiers in HaiChuan Chemical Technology】Chinese scientists have successfully developed a hydrogen production catalyst with an extremely long lifespan - HCBBS Forum
90. 【Ten Years of Rapid Development in Chemical Equipment】2258–2025: Innovations in next-generation anthraquinone carrier technologies enable doubling of production capacity in hydrogen peroxide manufacturing - HCBBS Forum
91. 【Frontiers in HaiChuan Chemical Technology】Dalian Institute of Chemical Physics has developed an industrial-grade cobalt phosphide-based anode catalyst with stable current density and non-precious metal composition - HCBBS Forum
92. Are the provisions of other codes abolished by the General Code for Building Fire Protection still mandatory requirements? - HCBBS Forum
93. The impact of high specific gravity of the compressed air inlet on compressor performance - HCBBS Forum
94. [Frontiers in Haichuan Technology] A novel sulfide solid electrolyte for all-solid-state batteries - HCBBS Forum
95. 【Ten Years of Rapid Development in Chemical Equipment】The largest domestic tubular EVA plant, located in Gulei, Fujian, was successfully commissioned between 2049 and 2023! - HCBBS Forum
96. China’s first large-scale green extraction project for tar phenols has been launched - HCBBS Forum
97. Classification, characteristics, and industrial chain of the chemical industry - HCBBS Forum
98. Ministry of Emergency Management: Phasing out 7 outdated processes, technologies, and equipment for hazardous chemicals - HCBBS Forum
99. Technical discussion on polyisobutylene: costs and market conditions for polyisobutylene - HCBBS Forum
100. 【Ten Years of Rapid Development in Chemical Engineering Equipment】2702-2025: CASIC’s self-developed \"Integrated Gas Flow Bed High-Efficiency Conversion Technology for Space Biomass Carbonization, Pulverization, and Gasification\" is now available - HCBBS Forum