English — Forum #439 (Page 17/43)

1. Question about water-transport problems! . - HCBBS Forum
2. What determines the outlet pressure of a centrifugal pump? - HCBBS Forum
3. 【Q&A Question 235】2018.08.29 - HCBBS Forum
4. 【Daily Question】Hydrogen production and hydrogenation technology version 20200404 - HCBBS Forum
5. What is the purpose of adding deionized water to lean amine solution? - HCBBS Forum
6. 【Daily Question】Hydrogen production and hydrogenation technology version 20191229 - HCBBS Forum
7. I would like to ask the experts what is an appropriate storage temperature for the residue tank area - HCBBS Forum
8. Reactive water injection related - HCBBS Forum
9. 【Daily Question No. 346】December 18, 2018 - HCBBS Forum
10. 【Daily Question】Hydrogen Production and Hydrogenation Technology Edition 20190812 - HCBBS Forum
11. 【Daily Question】Hydrogen production and hydrogenation technology version 20190614 - HCBBS Forum
12. Pre-conversion catalyst and medium-conversion catalyst venting precautions for hydrogen production units - HCBBS Forum
13. 【Daily Question】Hydrogen production and hydrogenation technology version 20200525 - HCBBS Forum
14. Hydrogenation process interlock - HCBBS Forum
15. 【Daily Question】Hydrogen production and hydrogenation technology version 20191114 - HCBBS Forum
16. Fixed-bed hydrogenation - HCBBS Forum
17. What material is used for high-pressure air cooling in hydrogenation? What is the extreme operating temperature? - HCBBS Forum
18. 【Daily Question No. 354】December 26, 2018 - HCBBS Forum
19. Calculations related to hydrogen - HCBBS Forum
20. [Q&A Question 242] 2018.09.05 - HCBBS Forum
21. 【Daily Question 2019】Hydrogen production and hydrogenation section – Questions 5-15 - HCBBS Forum
22. 【Daily Question】Hydrogen production and hydrogenation technology version 20191216 - HCBBS Forum
23. Conditions for the polycondensation or polymerization of pure benzene or cyclohexane - HCBBS Forum
24. How to put the pressure difference line of the hydrogenation reactor into use - HCBBS Forum
25. 【Daily Question】Hydrogen production and hydrogenation technology version 20190708 - HCBBS Forum
26. 132- Design issues of the vaned separator dedicated to the inlet of the recycle hydrogen compressor in hydrogenation pretreatment, hydrogenation refining, and hydrocracking units - HCBBS Forum
27. Dechlorination of C5 hydrogenation feedstock - HCBBS Forum
28. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 059 - HCBBS Forum
29. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 048 - HCBBS Forum
30. 【Daily Question】Hydrogen production and hydrogenation technology version 20200415 - HCBBS Forum
31. Oxygen content and CO control under normal operating conditions of the hydrogenation unit’s heater - HCBBS Forum
32. Why is it necessary to maintain a certain carbon content in the hydrogenation catalyst after regeneration? - HCBBS Forum
33. Why increasing the reaction temperature did not improve the purity of the product - HCBBS Forum
34. Energy conservation and consumption reduction - HCBBS Forum
35. Diesel discoloration issue - HCBBS Forum
36. 【Daily Question】Hydrogen Production and Hydrogenation Technology Edition 20190808 - HCBBS Forum
37. 【Daily Question No. 319】November 21, 2018 - HCBBS Forum
38. 【Daily Question】Hydrogen production and hydrogenation technology version 20200206 - HCBBS Forum
39. Why are heavy crude oil tanks placed on the ground? - HCBBS Forum
40. 【Daily Question】Hydrogen production and hydrogenation technology version 20190608 - HCBBS Forum
41. 【Daily Question】Hydrogen production and hydrogenation technology version 20200425 - HCBBS Forum
42. 【Daily Question】Hydrogen production and hydrogenation technology version 20200314 - HCBBS Forum
43. Hydrogen balance - HCBBS Forum
44. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 4-4 - HCBBS Forum
45. 【Daily Question No. 330】2018.12.02 - HCBBS Forum
46. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 042 - HCBBS Forum
47. What is the control range for the reaction temperature in hydrocracking? - HCBBS Forum
48. What is the principle behind the high-temperature high-pressure process flow? - HCBBS Forum
49. Hydrogen production in synthetic ammonia - HCBBS Forum
50. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 065 - HCBBS Forum
51. 【Daily Question】Hydrogen production and hydrogenation technology version 20200315 - HCBBS Forum
52. Can a tubular axial type lug be designed for a hydrogenation reactor? - HCBBS Forum
53. 【Daily Question】Hydrogen production and hydrogenation technology version 20200330 - HCBBS Forum
54. Some experience from the start-up process - HCBBS Forum
55. How to deal with high freezing point of aviation fuel - HCBBS Forum
56. 【Daily Question No. 287】October 20, 2018 - HCBBS Forum
57. 【Daily Question 2019】Hydrogen production and hydrogenation section – Questions 5-20 - HCBBS Forum
58. How long can the hydrogen production PSA adsorbent be stored after unboxing in air? - HCBBS Forum
59. Some gray powder has accumulated in the furnace flame arrester and control valve – is this due to salt formation caused by low temperatures? - HCBBS Forum
60. 【Daily Question】Hydrogen production and hydrogenation technology version 20200316 - HCBBS Forum
61. 【Daily Question】Hydrogen production and hydrogenation technology version 20200303 - HCBBS Forum
62. 【Daily Question No. 285】October 18, 2018 - HCBBS Forum
63. Which companies supply silica gel and activated carbon for PSA hydrogen production in China? - HCBBS Forum
64. For the diesel hydrogenation unit, can the heat tracing on the inlet pipeline of the recycle hydrogen compressor be removed? - HCBBS Forum
65. What to do if the acidity level of oil exceeds the standard? - HCBBS Forum
66. What are the pressure classifications for medium and high pressure in hydrogenation? - HCBBS Forum
67. The effect of starting the hydraulic oil pump in the Holbig on the air valves - HCBBS Forum
68. I’m looking for manufacturers of industrial furnaces in the petrochemical industry; could you please recommend some? Thank you! - HCBBS Forum
69. Is the sampling ratio for the sulfur content in the high-exchange reaction effluent lower than that for the sulfur content in the light fraction oil? - HCBBS Forum
70. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 4-25 - HCBBS Forum
71. 【Daily Question】Hydrogen Production and Hydrogenation – Exchange Version 20200619 - HCBBS Forum
72. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 078 - HCBBS Forum
73. Why is light gasoline drawn from the oil collection tank rather than the return tank? - HCBBS Forum
74. Advanced oxidative desulfurization technology is about to enter China - HCBBS Forum
75. Recommendation/Self-nomination Post for Outstanding Members of the Petrochemical Sector - HCBBS Forum
76. Heating of the fuel gas line in the heating furnace - HCBBS Forum
77. What is the purpose of the hydrogen bypass in the diesel hydrogenation cycle? - HCBBS Forum
78. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 5-09 - HCBBS Forum
79. 【Daily Question】Hydrogen production and hydrogenation technology version 20190605 - HCBBS Forum
80. What is the temperature range for ammonium salt crystallization in hydrocracking units? Will it crystallize at 230 degrees? - HCBBS Forum
81. In the hydrogen production unit, after undergoing adiabatic hydrogenation, zinc oxide desulfurization, and ultra-refined hydrogenation reactions, does the temperature drop from 380°C to 340°C? - HCBBS Forum
82. Which company has used the Shenhua Gas New Hydrogen Compressor model 4M150, and what is the actual performance like? - HCBBS Forum
83. Converter outlet piping system - HCBBS Forum
84. Diesel refining: What are the reasons for the significant fluctuations in hydrogen sulfide levels in the pre-desulfurization cycle recently? - HCBBS Forum
85. The significance of controlling medium-pressure steam parameters in hydrogen production - HCBBS Forum
86. Hydrogen heating furnace. - HCBBS Forum
87. 【Daily Question】Hydrogen production and hydrogenation technology version 20190613 - HCBBS Forum
88. 【Daily Question】Hydrogen production and hydrogenation technology version 20200219 - HCBBS Forum
89. Gentlemen, I would like to ask about the impact of 3.8 MPa steam fluctuations on hydrocarbon synthesis? - HCBBS Forum
90. What is the effect of hydrogen on the material level in boiling bed residue hydrodesulfurization? - HCBBS Forum
91. Heating up of the gasoline hydrogenation furnace - HCBBS Forum
92. Add sulfur? - HCBBS Forum
93. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 066 - HCBBS Forum
94. 【Daily Question】Hydrogen production and hydrogenation technology version 20200107 - HCBBS Forum
95. What are the reasons for water in cracked diesel, and what are the solutions? - HCBBS Forum
96. 【Daily Question】Hydrogen production and hydrogenation technology version 201907010 - HCBBS Forum
97. diesel - HCBBS Forum
98. Detection of hydrogen purity - HCBBS Forum
99. Liquid presence in the hydrogen dry gas compressor room - HCBBS Forum
100. How to handle the shutdown of the dry gas seal in a circulating hydrogen compressor - HCBBS Forum