English — Forum #337 (Page 34/163)

1. Are those mature processes the gas-phase hydrogenation decarboxylation reaction? - HCBBS Forum
2. Questions about packed distillation columns - HCBBS Forum
3. Should pipeline static grounding be handled by the electrical department or the process engineering department? - HCBBS Forum
4. Absorption of methacraldehyde - HCBBS Forum
5. Acrylic paint formulae, art paint formulae resource package - HCBBS Forum
6. Table of liquid properties - HCBBS Forum
7. Can the condensate from the 4-6kg saturated steam steam drum flow upward through the pipe rack to the condensate receiver tank? - HCBBS Forum
8. Industrial fans - HCBBS Forum
9. What is the purpose of this pipeline at the gas station? - HCBBS Forum
10. For a 220kw, 380v motor located approximately 600 meters away from the power distribution room, what gauge of cable is suitable? - HCBBS Forum
11. Aluminum ferric polychloride was originally added as a phosphorus removal agent, but now, after its addition, TP levels not only fail to decrease but actually increase - HCBBS Forum
12. Ethylene oxide storage temperature - HCBBS Forum
13. What to do if the SCR catalyst module is partially exposed to rainwater - HCBBS Forum
14. Can the valve stem be installed vertically downward? - HCBBS Forum
15. Winter anti-freezing inspection - HCBBS Forum
16. Liquid holdup in packed spray towers - HCBBS Forum
17. Problems with pressure testing of large-diameter, long-distance pipelines. - HCBBS Forum
18. Abnormal noises in the hot water tank - HCBBS Forum
19. Separation of ternary substance solutions - HCBBS Forum
20. Production unit of liquid chlorine vaporization skids - HCBBS Forum
21. What do \"primary roads\" and \"secondary roads\" mean in fire protection codes? - HCBBS Forum
22. Molecular sieve catalyst shaping - HCBBS Forum
23. Regarding the new extraction process for amino acids - HCBBS Forum
24. What are the main parameters to determine when using a circulation pump instead of a J mixer? - HCBBS Forum
25. Seeking advice from experts on inventory ledger systems in the petrochemical storage industry - HCBBS Forum
26. I need help from experts: how to calculate the heat exchange area and heat transfer rate for insulating the semi-circular tubes of a storage tank? - HCBBS Forum
27. 2021 List of Top 100 Suppliers in the Petroleum and Chemical Industry - HCBBS Forum
28. Question for advice - HCBBS Forum
29. Superheated steam and condensed water - HCBBS Forum
30. Selection of a set of pumps - HCBBS Forum
31. Mini-program - Unit conversion - HCBBS Forum
32. Please, experts: DMAC is used for the separation of acetic acid, but there is a material imbalance – help to solve this! ! ! - HCBBS Forum
33. The liquefied gas inside the spherical tank contains alkali solutions/alkali residues or other substances, preventing the automatic water cut-off device from functioning properly - HCBBS Forum
34. What is plasma hydrogen? Under what conditions can plasma hydrogen be produced? - HCBBS Forum
35. Purification of exhaust gases in ammonium phosphate production - HCBBS Forum
36. Which company does South Korea’s SK Group use for the technology related to its polypropylene industry? Is it its own technology? - HCBBS Forum
37. Help! Issue with the direction of the straight pipe section at the head opening - HCBBS Forum
38. What software was used to create this animation of the wastewater treatment process? - HCBBS Forum
39. Can T-type pipe racks and dry pipe racks be used as fixing pipe racks? - HCBBS Forum
40. I would like to ask the experts here a few questions regarding pressure testing - HCBBS Forum
41. Parallel cooling tower piping - HCBBS Forum
42. Fire hazard of liquid chlorine - HCBBS Forum
43. What do you do regarding trenches, drainage ditches, and pipe trenches in factory buildings where flammable gases that are heavier than air may accumulate? - HCBBS Forum
44. Acceptance criteria for system nitrogen purging prior to the commissioning of the hydrorefining unit - HCBBS Forum
45. Help needed with hydrophobic tank - HCBBS Forum
46. Analysis of Weld Cracks in A335P9 Pipes and On-site Control - HCBBS Forum
47. Discussion on expansion joint piping issues - HCBBS Forum
48. Requirements for air quality during the commissioning of chemical plants and during air-tightness tests after major repairs - HCBBS Forum
49. Gas purification - HCBBS Forum
50. Steam piping - HCBBS Forum
51. How should we understand the term that storage tanks in workshops are those that do not directly participate in the chemical process and do not include process vessels? - HCBBS Forum
52. Selection of vacuum pumps - HCBBS Forum
53. How is corrosion prevention achieved within the fire dike of the methanol tank area? - HCBBS Forum
54. Process design - HCBBS Forum
55. Have any of you who work in the marine industry dealt with carbon disulfide storage tanks? - HCBBS Forum
56. Registered Chemical Engineer Professional Examination - HCBBS Forum
57. Good software; everyone should use it - HCBBS Forum
58. Safety distance requirements for pump areas - HCBBS Forum
59. Reactor vessel, hydrophobic valve assembly - HCBBS Forum
60. Please provide PAI614, version 2008, in Chinese version, thank you - HCBBS Forum
61. How are the temperature and pressure of Aspen materials determined? - HCBBS Forum
62. Knowledge sharing on moving bed vaporizers - HCBBS Forum
63. Liquid-solid separation technology - HCBBS Forum
64. Issues regarding the central control DCS switch module - HCBBS Forum
65. Liquid-phase hydrogenation, Gas-phase hydrogenation, Definition and demarcation - HCBBS Forum
66. For a storage tank containing an aqueous solution with about 50% methanol, placed outdoors and with feed at a certain temperature, is insulation necessary? - HCBBS Forum
67. How to vent a self-regulating valve - HCBBS Forum
68. Operation of kettle reboilers - HCBBS Forum
69. Piping issues in plate and frame filter presses - HCBBS Forum
70. Schematic diagram of two-stage regenerator with an internal overflow pipe in front of the coking tank - HCBBS Forum
71. For hydrogen stations that use pressure swing adsorption for separation, should the fire-fighting water volume be determined in accordance with petrochemical regulations? - HCBBS Forum
72. Waste heat recovery equipment is needed for exhaust gases - HCBBS Forum
73. How to control the crystallizer during the production process of dichlorobenzene - HCBBS Forum
74. Project management consulting - HCBBS Forum
75. VAISALA dew point meter - HCBBS Forum
76. Operating procedures for 120t catalytic cracking - HCBBS Forum
77. Can Class A tank areas be enclosed? - HCBBS Forum
78. Pressure testing of process pipelines in petrochemical plants - HCBBS Forum
79. What are the fire hazard categories for ammonia nitrogen stripping and steam stripping? Can it be placed together with the hydrogen peroxide storage tank? - HCBBS Forum
80. Density issue of gaseous methane - HCBBS Forum
81. What do these words on the blind plate mean? - HCBBS Forum
82. Latest market analysis of methyl methacrylate (MMA) - HCBBS Forum
83. Energy consumption issue in evaporating and concentrating 30% liquid caustic to 50% concentration - HCBBS Forum
84. Use magnesium oxide to absorb sulfur dioxide in the exhaust gas - HCBBS Forum
85. Do all pipe supports that meet the span requirements have to be designed as fixed supports? - HCBBS Forum
86. Steam reheat solutions - HCBBS Forum
87. Vent pipe rupture disc - HCBBS Forum
88. A problem in the process design prevents the fuel gas from being vented after an ESD event - HCBBS Forum
89. Consultation on equipment for deoxygenation of 98% sulfuric acid and hydrochloric acid - HCBBS Forum
90. Various temperature differences - HCBBS Forum
91. What is the required distance between a 30-cubic-meter Class A storage tank and an online monitoring color steel panel building? - HCBBS Forum
92. How is pressure controlled when testing vertical pipes? - HCBBS Forum
93. On diazine and azo reactions - HCBBS Forum
94. How to measure the thickness of insulation material - HCBBS Forum
95. Dear experts, what is the lowest temperature to which condensate can be flashed during flashing? - HCBBS Forum
96. Kindly ask the expert to help upload a very old standard in electronic format: HGJ 43-91 - HCBBS Forum
97. Frequent clogging problem of the primary RO safety filter - HCBBS Forum
98. Are there plastic storage tanks that can withstand benzene and chlorobenzene? ? - HCBBS Forum
99. Catalytic cracking - HCBBS Forum
100. Ammonia distillation column design - HCBBS Forum