English — Forum #337 (Page 53/163)

1. What equipment is used to increase the pressure of the LPG and nitrogen mixture from 4.9 MPa to 5.6 MPa? - HCBBS Forum
2. The pressure in the wastewater stripping tower cannot be increased - HCBBS Forum
3. Schematic flow diagram of the residue hydroprocessing process - HCBBS Forum
4. The most economical operating scheme for wastewater reuse - HCBBS Forum
5. In the compressor oil station, there is a Y-type filter at the oil pump inlet; why is a dual basket filter shown in the red box also necessary? - HCBBS Forum
6. Diesel refining: Why is the reaction cycle line placed after the feed filter rather than before it? Thank you! - HCBBS Forum
7. Ventilation design and exhaust gas treatment for hazardous waste storage areas - HCBBS Forum
8. Welding rod selection criteria - HCBBS Forum
9. Problems with storing items in Class A warehouses - HCBBS Forum
10. Do both the front and rear end caps of the liquid ring vacuum pump have flushing and drainage ports that require external access? ? - HCBBS Forum
11. Silicon tetrafluoride transportation issue - HCBBS Forum
12. Old K says every week – talk about things in the petrochemical design industry. Post 32: Talking about hydrogen energy - HCBBS Forum
13. Looking for information on ethylene glycol, thanks big bro - HCBBS Forum
14. Electrochemistry books - HCBBS Forum
15. Reasons for poor absorption in the absorption tower - HCBBS Forum
16. Issues regarding the heating of flammable and explosive gases - HCBBS Forum
17. The corrosivity of quaternary ammonium salts? - HCBBS Forum
18. 「Comprehensive Review: 20 Years of Guangdong Petrochemical’s Integration of Refining and Chemical Production (with the most complete list of facilities and processes) - HCBBS Forum
19. Cadworx steel structure - HCBBS Forum
20. Oxygen content during startup of the ammonia synthesis loop - HCBBS Forum
21. Pipeline and Instrumentation PID Drawing Template -- Instrument Diagram ... - HCBBS Forum
22. Morpholine drying - HCBBS Forum
23. MDEA wastewater treatment? - HCBBS Forum
24. DCS current display - HCBBS Forum
25. Regarding the current situation of Q355 and Q345 steel grades in the seamless tube industry - HCBBS Forum
26. About weld size and strength calculations - HCBBS Forum
27. Are heat of vaporization and latent heat of vaporization the same thing? - HCBBS Forum
28. Material issue - HCBBS Forum
29. How to design a liquid seal? - HCBBS Forum
30. How to handle VC waste liquid - HCBBS Forum
31. Thermal oil pipeline pressure valve - HCBBS Forum
32. Old K says every week – Talking about things in the petrochemical engineering design industry. Post 36: Looking back on the past – My first workplace - HCBBS Forum
33. Borrowing Jingzhou: New Challenges for Old Revolutionaries - HCBBS Forum
34. Fire hazard category - HCBBS Forum
35. Does nitrogen sealing equipment fall under pressure vessels? - HCBBS Forum
36. How to remove salt deposition and how to prevent it in alkylated circulating alkaline water shell-and-tube heat exchangers? - HCBBS Forum
37. Is there anyone who knows about KBR’s k-protm; propane dehydrogenation process? - HCBBS Forum
38. A brief analysis of the optimization of peptide drug synthesis techniques - HCBBS Forum
39. The lining of the inner and outer walls of the regenerator riser pipe fell off - HCBBS Forum
40. Heat transfer coefficient of plate heat exchangers - HCBBS Forum
41. Dimensions of short-lever push-button switches - HCBBS Forum
42. Analysis of the reasons for high pressure drop in some condensers - HCBBS Forum
43. The spherical storage tank for liquefied hydrocarbons shall be equipped with local and remote temperature sensors - HCBBS Forum
44. Safety technical requirements for the equipment layout of hazardous chemical feeding systems - HCBBS Forum
45. 【Haichuan Equipment Guessing Game】This equipment is very expensive. - HCBBS Forum
46. ASME/SA Boiler and Pressure Vessel Code – References to Material-related Specifications - HCBBS Forum
47. Requirements for pipelines carrying flammable media - HCBBS Forum
48. 【Help Request】Regarding the reaction products - HCBBS Forum
49. Control parameters for the secondary loop of the steam heater - HCBBS Forum
50. Safety Manual for Commonly Used Chemical Hazards - HCBBS Forum
51. Dehydrogenation process - HCBBS Forum
52. The ethylene tank farm for Huqiu Company’s Changqing ethane-to-ethylene project has completed handover - HCBBS Forum
53. sda desulfurization process - HCBBS Forum
54. Venting at the top of the steam pipeline - HCBBS Forum
55. Are there any regulatory requirements stating that pressure transmitters must be installed on pressure vessels? - HCBBS Forum
56. Discussion on π-type liquid seal design (please advise) - HCBBS Forum
57. I’m asking for help again! Does no one know or have experienced it? - HCBBS Forum
58. Can wire be used for fixing electric heat tracing? - HCBBS Forum
59. Old K says every week – talking about things in the petrochemical design industry. Post 6: Contract management in design management - HCBBS Forum
60. Sulfur recovery unit - HCBBS Forum
61. Treatment of water exceeding standards - HCBBS Forum
62. How to calculate the gas consumption and the instantaneous maximum amount when using gas batches to pressurize and depressurize storage tanks - HCBBS Forum
63. Stirrer transportation problem - HCBBS Forum
64. The problem of compressing a mixture of nitrogen and chlorine gases - HCBBS Forum
65. Question: Salts produced as a by-product of the evaporation and crystallization of high-salt wastewater – sodium chloride, sodium sulfate, etc - HCBBS Forum
66. Question: Does a centrifugal pump draw in air at the moment it starts? - HCBBS Forum
67. May Class C substations and power distribution rooms be constructed together with Class E chemical dosing rooms? Can factories of different fire categories be built together? - HCBBS Forum
68. On the effectiveness of the two methods for secondary condensation to recover exhaust gases - HCBBS Forum
69. Fire protection design standards for fine chemical enterprises: Two major chemical-producing provinces provide their responses! - HCBBS Forum
70. Calculation of the steam mixture with two parameters - HCBBS Forum
71. The gasoline hydrogenation C9 product has a high gel content; I would appreciate some advice from experts. - HCBBS Forum
72. Suggestions and insights on the project construction process, continuously updated - HCBBS Forum
73. For rooms containing solid materials with toluene, where human operation is required, which standard should be used to determine the air exchange rate for such rooms? - HCBBS Forum
74. UOP dehydrogenation catalyst regeneration process - HCBBS Forum
75. What to do if standard specifications are not available? - HCBBS Forum
76. Is the gas at the outlet of the filling tank in a saturated state? - HCBBS Forum
77. Help needed - HCBBS Forum
78. Seeking help with pipeline pressure calculation - HCBBS Forum
79. Help needed with the setup of a steam trap. - HCBBS Forum
80. Feed method for packed distillation column - HCBBS Forum
81. Relationship between fan and current - HCBBS Forum
82. Heat transfer coefficient of solid materials - HCBBS Forum
83. PDH unit Ruums process regenerative air heater burner ignition control logic - HCBBS Forum
84. What is the function of the K3 pipe stopper in HG/T21629? - HCBBS Forum
85. MVR Evaporation Crystallization System Design (Complete Project) - HCBBS Forum
86. Introduction: What do Q420B+Q420C+Q420D+Q420E all mean? - HCBBS Forum
87. Seeking guidance - HCBBS Forum
88. Process flow of DDS biological desulfurization technology - HCBBS Forum
89. In-depth discussion on hydrogen peroxide production processes - HCBBS Forum
90. Process technology - HCBBS Forum
91. Vacuum extraction process at the top of the vacuum distillation tower - HCBBS Forum
92. What does ASME Ⅷ Div.1 without U-stamp mean? - HCBBS Forum
93. Issues regarding the principle of introducing nitrogen into atmospheric-pressure distillation columns - HCBBS Forum
94. Selection of hot water sump level gauges, along with the choice of drainage scheme - HCBBS Forum
95. Is the amount of vapor produced in multi-stage flash evaporation the same as that in single-stage flash evaporation? - HCBBS Forum
96. Installation of flame arresters on the vent holes of internal floating roof storage tanks - HCBBS Forum
97. Failure of catalytic resin - HCBBS Forum
98. What should be done if power distribution cabinets and PLC cabinets are to be placed in Class A and B workshops? - HCBBS Forum
99. Are there any discussion groups on chemical engineering design? - HCBBS Forum
100. Process Package Document Design - HCBBS Forum