English — Forum #337 (Page 42/163)

1. As shown in the diagram: is it feasible for 2 methanol storage tanks connected at the bottom to share one set of nitrogen sealing? - HCBBS Forum
2. Discussion on steam purging of stainless steel lubrication oil pipelines - HCBBS Forum
3. CAESAR Ⅱ video teaching materials - HCBBS Forum
4. Purification by crystallization separation method - HCBBS Forum
5. Is it necessary to open the cover to replace the mechanical seal in an enamel reactor? - HCBBS Forum
6. Is it necessary to add support? - HCBBS Forum
7. Water Supply and Drainage Specialty Atlas (all updated to the latest version) - HCBBS Forum
8. How can 5,000 m3/h of exhaust gas be evenly divided into two streams using one main pipe? - HCBBS Forum
9. In ASPEN, what is the difference between the liquid phase at the top of the distillation column and the gas phase at the top? - HCBBS Forum
10. Optimized design method for rotoary vacuum pumps equipped with pre-pumps - HCBBS Forum
11. Feasibility discussion for Class A automated warehouse? - HCBBS Forum
12. Regarding stopping the expander - HCBBS Forum
13. Main contents of the basic design review - HCBBS Forum
14. Does magnesium chloride produce a white gas when heated to high temperatures (above 1200°C)? - HCBBS Forum
15. Do combustible liquid storage tanks need to be equipped with overflow ports? Is it allowed to set an overflow port? - HCBBS Forum
16. Separation of methanol and hydrogen - HCBBS Forum
17. Air flow calculation - HCBBS Forum
18. Can the adsorbent for PSA have the same service life as the device and not need to be replaced? - HCBBS Forum
19. Questions regarding flash point, ignition point, and autoignition point - HCBBS Forum
20. The relationship between pH and conductivity - HCBBS Forum
21. CIP cleaning station - HCBBS Forum
22. What is the structure of the automatic dehydrator for flammable liquid storage tanks? How to reduce oil loss and oil and gas volatilization? - HCBBS Forum
23. Schematic diagram of two-stage regenerator with a pre-burning tank in front of the external circulation pipe - HCBBS Forum
24. Introduction to Ceramic Wear-Resistant Elbows - HCBBS Forum
25. I would like to ask a teacher who is familiar with ASPEN - HCBBS Forum
26. If UPVC pipes are laid over a long distance in a pipe tray and then separated at the ends (via adhesive), does anyone suggest that expansion joints should be installed? - HCBBS Forum
27. What to do about the frequent wear and tear of fans in boiler plants? It is recommended to use the new type of coupler developed and produced by Guangdong Zhongxing - HCBBS Forum
28. The new guy just started working in the petrochemical industry. Is there any senior colleague who can give him some guidance? - HCBBS Forum
29. Are there any distance requirements between the RTO and the closed-ground flare? - HCBBS Forum
30. side-line distillation - HCBBS Forum
31. Registered Chemical Engineer - HCBBS Forum
32. Who has a question bank on hydrogen production? Please share it; I’d be very grateful - HCBBS Forum
33. Public material nitrogen piping - HCBBS Forum
34. Must explosion-proof forklifts be used in Class A warehouses? - HCBBS Forum
35. 2019.2020 Real Exam Questions for Chemistry Engineering - HCBBS Forum
36. Solution deoxygenation - HCBBS Forum
37. Automation control system for tank farm - HCBBS Forum
38. How is the inlet pressure to the desulfurization tower determined? - HCBBS Forum
39. Automatic control and manual control - HCBBS Forum
40. M-phenylenediamine microchannel reaction complete process package - HCBBS Forum
41. How to make a crystallization curve chart of a tissue? I have no clue, is there anything I can do? - HCBBS Forum
42. How to use a blind plate and where to apply it - HCBBS Forum
43. Process flow diagram for hydrogen desulfurization using circulating hydrogen - HCBBS Forum
44. Old K says every week – talking about things in the petrochemical design industry. Post 49: How to increase the pressure drop of control valves in the control valve specification table - HCBBS Forum
45. Problem with the two nozzles of liquid ammonia cylinder 800L - HCBBS Forum
46. Can liquid ammonia and water be mixed directly? - HCBBS Forum
47. Copper corrosion failure - HCBBS Forum
48. What is the model of carbon emission trading in the coal chemical industry, and how is it carried out? - HCBBS Forum
49. The ethylene plant in use currently employs propanol as a defrosting agent; why isn’t methanol, which was used in the older plants, utilized? What are the differences between the two? - HCBBS Forum
50. Question regarding natural gas with condensate - HCBBS Forum
51. Seeking information assistance - HCBBS Forum
52. Are there any standard requirements regarding control valves that specify in what situations fire shields must be installed? - HCBBS Forum
53. In China, apart from Sinopec’s Qiange Oil Refining Plant and the device for producing **furan from furfural, what other facilities exist? - HCBBS Forum
54. Calculate nitrogen leakage rate - HCBBS Forum
55. Sharing a crystallization-themed e-book: “Principles and Applications of Chemical Crystallization Processes” - HCBBS Forum
56. Purity of nitrogen for phosphorus chemicals - HCBBS Forum
57. The specific temperatures at which different materials undergo high-temperature hydrogen corrosion - HCBBS Forum
58. Methacraldehyde polymerization inhibitor, deep dehydration - HCBBS Forum
59. How to modify Articles 6 and 7 of the Liquefied Gas Certificate Renewal Review? - HCBBS Forum
60. China has taken action once again, using the Tianhe system for aerial water transfer – a new innovation in water management - HCBBS Forum
61. May I ask if it is acceptable to use a control valve for nitrogen sealing, a control valve to regulate the pressure of the incoming nitrogen, and a switch valve to regulate the pressure of the outgoing nitrogen? - HCBBS Forum
62. Solutions for copper and similar heavy metals - HCBBS Forum
63. Can pipe racks be installed inside the fire dike? ? Are there any requirements for the type? Is it okay like this? - HCBBS Forum
64. Old K says every week – talking about things in the petrochemical design industry. Post 51: Selection of control valve diameter - HCBBS Forum
65. Which lactic acid manufacturer is larger in China? - HCBBS Forum
66. Air separation - HCBBS Forum
67. For pumping to a vacuum tower, how should the pump outlet pressure be selected? - HCBBS Forum
68. The purpose of adding a U-bend to the steam condensate pipeline - HCBBS Forum
69. On the replacement of liquid acids such as sulfuric acid with solid acid catalysts - HCBBS Forum
70. Methods for cooling soybean meal - HCBBS Forum
71. Issues regarding the inlet buffer volume of reciprocating compressors - HCBBS Forum
72. Calculation of absorption due to venting from the safety valve of liquid ammonia storage tanks - HCBBS Forum
73. Does a metal float flow meter show significant differences in flow rate when measuring fluids with different densities, such as methanol and water? - HCBBS Forum
74. Hello everyone, I would like to ask whether a dichloromethane storage tank requires a nitrogen blanket - HCBBS Forum
75. Does a horizontal methanol storage tank require a nitrogen seal? - HCBBS Forum
76. I earnestly request a process flow diagram for the sulfur dissolution unit in sulfuric acid production - HCBBS Forum
77. Looking for resources on \"Optimization of Energy Systems in Process Industries: Heat Exchanger Networks and Steam Power Systems\" - HCBBS Forum
78. Ethylene oxide process design - HCBBS Forum
79. Material feeding machine, material feeding platform - HCBBS Forum
80. Process Information Encyclopedia 23 [Chemical Process Design] List (no attachments) - HCBBS Forum
81. How should specific enthalpy be understood, and what does its value indicate? - HCBBS Forum
82. Asking for "FRI Tray Design Manual"! ! ! - HCBBS Forum
83. Difference between plastic flange guards and plastic flange seals - HCBBS Forum
84. Valve materials suitable for concentrated sulfuric acid - HCBBS Forum
85. Water vapor transformation process - HCBBS Forum
86. For carbon steel pipes using non-metallic gaskets, is it still necessary to make a bonding connection at the flange for static grounding of the pipeline? - HCBBS Forum
87. Why don’t the emission standards for atmospheric pollutants from boilers include emission rate indicators? - HCBBS Forum
88. Questions regarding the fuel gas for the eternal light - HCBBS Forum
89. Is there a swing check valve that can be opened by a slight pressure from exhaust gases? - HCBBS Forum
90. Storage of acrylic acid and addition of antipollution agents - HCBBS Forum
91. I would like to ask about measures for insulating chemical pipelines in the northern region - HCBBS Forum
92. Process using specialized ion exchange resins for boron removal - HCBBS Forum
93. Corrosion problem of valve bolts in insulated pipelines - HCBBS Forum
94. Scaling up of the mixing step, from pilot plant to production line - HCBBS Forum
95. Reasons why a cam pump does not deliver fluid - HCBBS Forum
96. Could any friend share the electronic version of \"Residue Processing Technology\" written by Li Chunnian? Thank you - HCBBS Forum
97. The issue of desulfurization in natural gas purification - HCBBS Forum
98. Can GC1 construction qualifications be used to construct GC2 and GC3 pipelines? - HCBBS Forum
99. Do steel lining pipes need a standard pipeline number when leaving the factory? How is on-site installation carried out, with each section of pipe installed at its respective location? - HCBBS Forum
100. Aromatic extraction unit column surge - HCBBS Forum