English — Forum #337 (Page 43/163)

1. What software is used to create such 3D renderings? - HCBBS Forum
2. Which marine friend has the e-book of \"Supergravity Separation Engineering\"? - HCBBS Forum
3. Flow diagram of gas fractionation unit. - HCBBS Forum
4. Eight key points for energy conservation and carbon reduction through steam utilization” - HCBBS Forum
5. Issues related to the parallel operation of two pumps - HCBBS Forum
6. Process Simulation Training – PRO/II Tutorial: Why isn’t it available for sale anymore? - HCBBS Forum
7. Looking for the electronic version of \"Optimization of Energy Systems in Process Industries: Heat Exchanger Networks and Steam Power Systems\" - HCBBS Forum
8. Is it necessary to remove the check valve during pipeline purging? - HCBBS Forum
9. Does anyone know the sequence for shutting down petrochemical units in reverse order? Which unit should be shut down first, and which one afterwards? - HCBBS Forum
10. The problem of the equilibrium vapor pressure of gas i - HCBBS Forum
11. How can the ethylene glycol pipeline be purged to meet the requirements for performing hot work? - HCBBS Forum
12. Is it common to use reactors with a pressure of 10 MPa in large-scale production? - HCBBS Forum
13. Cyclopentane has a boiling point of 36 degrees – why can it be used as a refrigerant in refrigerators? - HCBBS Forum
14. Dangers of using flexible hoses for bottled ether - HCBBS Forum
15. May flammable and explosive liquid storage tanks be placed inside a factory building in the north? - HCBBS Forum
16. Friends, has anyone done an Aspen simulation for catofin propane dehydrogenation? - HCBBS Forum
17. SW6-2011 error issue - HCBBS Forum
18. Development directions for energy conservation - HCBBS Forum
19. Seeking help with heat exchange area calculation - HCBBS Forum
20. Ethylene plant - HCBBS Forum
21. Restriction orifice plate flow calculation - HCBBS Forum
22. Chromium sulfate solution to remove silica - HCBBS Forum
23. Which media are included under the category of corrosive media in the definition of pressure pipelines? - HCBBS Forum
24. Do fine chemicals and petrochemicals belong to the same category of enterprises? - HCBBS Forum
25. After opening CAD, the drawing is gone; only a line remains - HCBBS Forum
26. When draining from a sump tank, what is the relationship between the flow rate of water and its level? - HCBBS Forum
27. The role of carbon dioxide in methanol synthesis - HCBBS Forum
28. Characteristics of hospital wastewater and treatment methods - HCBBS Forum
29. Three circles of chemical engineering technology” - HCBBS Forum
30. Design for exhaust ventilation in Class A workshops in case of accidents - HCBBS Forum
31. 【Professional materials not disclosed by top-tier design institutes! [Save it quickly] - HCBBS Forum
32. Numerical methods for chemical engineers using Excel VBA and MATLAB - HCBBS Forum
33. UOP continuous reforming catalyst regeneration process - HCBBS Forum
34. Difference between pipe property table and pipe naming table - HCBBS Forum
35. Great software, a model for security analysis - HCBBS Forum
36. Issues with oxygen introduction during the initial startup of a gasification unit? - HCBBS Forum
37. Overview of the project for an annual production capacity of 3,000 tons of propiconazole - HCBBS Forum
38. Molar heat capacity and specific heat capacity - HCBBS Forum
39. Purging of high-pressure steam pipelines – issue with the pressure of the purging medium? - HCBBS Forum
40. Can PLC systems be used in tank areas with major hazard sources? - HCBBS Forum
41. Do chloride ions not cause corrosion to stainless steel under alkaline conditions? - HCBBS Forum
42. Pressure relief safety valve - HCBBS Forum
43. Are there standard atlas available for the fixing brackets and guide frames of UPVC pipes? How did you do it? - HCBBS Forum
44. Request a commissioning plan prepared by the EPC project commissioning manager - HCBBS Forum
45. 3D principle - HCBBS Forum
46. Are nitrogen seals mandatory for Class A and B liquid storage tanks? - HCBBS Forum
47. Problems with alkali scrubbers in olefin projects - HCBBS Forum
48. High-concentration sodium chloride saline treatment process - HCBBS Forum
49. Centrifugal pump barring - HCBBS Forum
50. Advantages of safety heat exchanger (double tube sheet and double heat exchange tubes) - HCBBS Forum
51. Technical Manual for Handling Hazardous Chemical Accidents [by Zhou Xuezhi], 2010 edition - HCBBS Forum
52. Seeking advice on ChemCad software - HCBBS Forum
53. Zhejiang Petrochemical Phase II Plant - HCBBS Forum
54. Regarding the upstream raw material sulfuryl chloride for lithium bis(fluorosulfonylimide) in lithium battery electrolytes - HCBBS Forum
55. About TSG 21-2016 Safety Technical Inspection Regulations for Fixed Pressure Vessels - HCBBS Forum
56. Why must the exhaust outlet for steam purging be tilted upward? - HCBBS Forum
57. What is the diameter of the discharge tube in an ozone generator? - HCBBS Forum
58. Density of liquid hydrogen sulfide - HCBBS Forum
59. Are the reaction gas compressors in styrene plants and the cracking gas compressors in ethylene plants the same thing? - HCBBS Forum
60. Sensitivity of engineering plastics to acids and bases - HCBBS Forum
61. Distance between liquefied hydrocarbon pumps and compressors - HCBBS Forum
62. Regeneration method for the dehydrogenation of butan-2-ol to methylethyl ketone - HCBBS Forum
63. Design regarding the control of the steam heat exchanger in the waste heat recovery unit and the liquid level control valve in the condensate tank - HCBBS Forum
64. The issue of solvents and solutes in solutions - HCBBS Forum
65. Is it necessary to install small dikes in the pump area outside the tank farm? - HCBBS Forum
66. Boiling point of thiophene ethanol - HCBBS Forum
67. Production process of vinyl acetate (ethylene process) - HCBBS Forum
68. Is washing necessary after crystallization? - HCBBS Forum
69. Process design for the hydrogenation unit producing 600,000 tons of coal-based ethylene glycol per year - HCBBS Forum
70. The Torch renovation project at Jiujiang Petrochemical has officially commenced - HCBBS Forum
71. Reactor bed overheating - HCBBS Forum
72. Do you know anything about the principles of gas nozzles and air valves in gas stoves? - HCBBS Forum
73. Sinopec Jianghan Petroleum Engineering wins a major survey and design project in the southwest region - HCBBS Forum
74. Why is it necessary to disable the quick-shut oil pressure low interlock before starting a centrifugal compressor? - HCBBS Forum
75. What standards are followed for the bosses on pipes used to install instruments, as well as high-pressure connectors or flanges? - HCBBS Forum
76. What does \"contraindicated substances\" in an MSDS mean? - HCBBS Forum
77. Seeking help with the calculation of head when the pump outlet has two branches - HCBBS Forum
78. Just starting out in the chemical industry; work as a equipment manager - HCBBS Forum
79. The issue of hydrogen pressure and boiling point - HCBBS Forum
80. Leakage in the regenerator of 7-meter coke ovens (2) - HCBBS Forum
81. Seeking help with the design of extraction towers and phase separation towers - HCBBS Forum
82. How should the installed capacity of a project be calculated correctly? - HCBBS Forum
83. Seat belt classifications - HCBBS Forum
84. Dehydration of organic solvents - HCBBS Forum
85. Regarding flammable liquids - HCBBS Forum
86. High-energy warning! Think tank: With plastic bans in place, the oil industry’s bet on rising plastic demand is risky - HCBBS Forum
87. Is there a technology for synthesizing 115% polyphosphoric acid through one-step wet concentration and purification of acid? - HCBBS Forum
88. Special online pH meter resistant to sulfide corrosion - HCBBS Forum
89. Which is better currently, Chuanyi’s or Shangyi’s instruments? Are they considered to be of the same tier? - HCBBS Forum
90. Seeking advice on food-grade carbon dioxide meters - HCBBS Forum
91. Is it economically viable to use purified phosphoric acid to produce potassium dihydrogen phosphate in the current market? - HCBBS Forum
92. Fluctuations in condensate tank level control - HCBBS Forum
93. Does biological fermentation fall under the scope of chemical engineering? - HCBBS Forum
94. Is there anyone who can teach me the manual calculation method for plate heat exchangers? - HCBBS Forum
95. The issue of precise desulfurization of blast furnace gas - HCBBS Forum
96. Suggestions - HCBBS Forum
97. I need experts’ advice! I want to study the book on principles of chemical engineering on my own after finishing junior high school, but I have no idea where to start. - HCBBS Forum
98. I would like to ask whether the lifting rod mechanism for boiler steel structures requires heat treatment - HCBBS Forum
99. Schematic diagram of the residue catalytic cracking reaction regeneration system without heat recovery facilities - HCBBS Forum
100. Selection of hydrogen gasket materials - HCBBS Forum