English — Forum #439 (Page 15/43)

1. 【Daily Question】Hydrogen production and hydrogenation technology version 20190819 - HCBBS Forum
2. 【Daily Question】Hydrogen production and hydrogenation technology version 20190709 - HCBBS Forum
3. Paper materials on coking in the feed heat exchanger of SZorb units - HCBBS Forum
4. What are the consequences of an excessively high pressure difference between the inlet and outlet of the hydrorefining reactor? - HCBBS Forum
5. 【Daily Question No. 301】November 03, 2018 - HCBBS Forum
6. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 019 - HCBBS Forum
7. In the event of an emergency power outage in the hydrogenation unit, should the inlet and outlet ball valves of the hydrogen circulation pump be closed? - HCBBS Forum
8. 【Daily Question】Hydrogen production and hydrogenation technology version 20200511 - HCBBS Forum
9. 【Daily Question No. 334】2018.12.06 - HCBBS Forum
10. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 086 - HCBBS Forum
11. Safety precautions for removing hydrogenation catalysts - HCBBS Forum
12. In refining and hydrogenation processes, what level should the hydrogen sulfide content in the recycled hydrogen be controlled at? - HCBBS Forum
13. Fluctuation problem of the hydrogenation cloud point of lubricating oil - HCBBS Forum
14. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 061 - HCBBS Forum
15. 【Daily Question】Hydrogen production and hydrogenation technology version 20190615 - HCBBS Forum
16. Sharing experiences from inspections at heights - HCBBS Forum
17. exciter - HCBBS Forum
18. Control of the acid value in aviation fuel products - HCBBS Forum
19. How to handle winding tube heat exchangers effectively during shutdown for maintenance and after cleaning, in order to prevent any residual cleaning solution from remaining in dead zones - HCBBS Forum
20. Regarding the issue of total pollutants in diesel - HCBBS Forum
21. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 091 - HCBBS Forum
22. 【Daily Question No. 341】December 13, 2018 - HCBBS Forum
23. Regeneration of gasoline and diesel hydrogenation catalysts - HCBBS Forum
24. 【Daily Question】Hydrogen production and hydrogenation technology version 20190817 - HCBBS Forum
25. What is the relationship between the autoignition temperature and the minimum ignition energy of flammable media? - HCBBS Forum
26. 【Daily Question】Hydrogen production and hydrogenation technology version 20200129 - HCBBS Forum
27. What is the temperature range requirement for 2205 duplex steel pipe bundles? - HCBBS Forum
28. 【Q&A Question 249】2018.09.12 - HCBBS Forum
29. Regarding the regulation of reactor flue gas - HCBBS Forum
30. Steam retaining ring for hydrogenation unit flanges - HCBBS Forum
31. Why is it necessary to keep carbon monoxide and carbon dioxide levels below 20 ppm in the hydrogen mixture? What is the underlying principle behind this? and the hazards, thank you - HCBBS Forum
32. Problems with turbine extractors - HCBBS Forum
33. I have three basic questions about distillation - HCBBS Forum
34. What hydrocracking units are there in Shandong? Please give some recommendations - HCBBS Forum
35. Hydrogenation of lubricating oil, sampling of transformer oil – it has turned white and opaque; is there water present? How can this be adjusted? - HCBBS Forum
36. Is it safe to install only a vent valve on the small methanol intermediate tank? ? - HCBBS Forum
37. 【Daily Question 2019】Hydrogen production and hydrogenation section – Questions 4-16 - HCBBS Forum
38. Heating furnace interlock issues - HCBBS Forum
39. How does the cooling water for the packing in a reciprocating compressor flow? Does the cooling water come into direct contact with the packing? - HCBBS Forum
40. 【Daily Question】Hydrogen production and hydrogenation technology version 20191208 - HCBBS Forum
41. 【Daily Question】Hydrogen production and hydrogenation technology version 20200413 - HCBBS Forum
42. What are the main factors that determine whether the dosage of scale inhibitors in hydrogenation units is increased or decreased? - HCBBS Forum
43. What SIL documents are required to apply for SIL certification? - HCBBS Forum
44. Natural gas water vapor reforming combined with PSA hydrogen production technology - HCBBS Forum
45. Exit temperature of reciprocating compressors under different operating conditions - HCBBS Forum
46. [Q&A Question 233] 2018.08.27 - HCBBS Forum
47. Who has question banks on diesel, gasoline hydrogenation, and dry gas hydrogen production? Please share them! Thank you - HCBBS Forum
48. The methanol cracking hydrogen production plant (PSA adsorption) has a high capacity, but the daily hydrogen demand is low – how should it be operated? - HCBBS Forum
49. Diesel anti-wear agent - HCBBS Forum
50. Handling procedures for “hydrogen interruption” and “hydrogen reduction by half” in diesel hydrogenation units - HCBBS Forum
51. 【Daily Question】Hydrogen production and hydrogenation technology version 20191020 - HCBBS Forum
52. What causes the gradual deactivation of hydrorefining catalysts? - HCBBS Forum
53. Residue hydrogenation technology - HCBBS Forum
54. 【Daily Question】Hydrogen production and hydrogenation technology version 20200112 - HCBBS Forum
55. Seeking help with issues related to hydrogenation refining reactors - HCBBS Forum
56. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 4-27 - HCBBS Forum
57. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 067 - HCBBS Forum
58. Wax oil hydrocracking feedstock - HCBBS Forum
59. Dry point of heavy naphtha - HCBBS Forum
60. 【Daily Question】Hydrogen production and hydrogenation technology version 20191115 - HCBBS Forum
61. 【Daily Question】Hydrogen production and hydrogenation technology version 20190526 - HCBBS Forum
62. The effect of the metal content in the catalyst on the reaction - HCBBS Forum
63. What is the optimal operating temperature for PSA for the best adsorption effect? - HCBBS Forum
64. Regarding the control of dry spots - HCBBS Forum
65. Request for calculation instructions for the residue hydrogenation reactor - HCBBS Forum
66. 【Daily Question】Hydrogen production and hydrogenation technology version 20200227 - HCBBS Forum
67. Seeking help with the safety section of the overall commissioning plan for the coal-to-oil hydrogenation deep processing project - HCBBS Forum
68. What parameters are related to the purity and yield of hydrogen in PSA products? - HCBBS Forum
69. Are there any requirements regarding the color code of heavy naphtha in the National VI standard? - HCBBS Forum
70. Teacher, could you explain in detail what would be a good choice for the check valve at the outlet of the new hydrogen reactor used in hydrocracking? The current check valves keep leaking internally. - HCBBS Forum
71. 【Daily Question】Hydrogen production and hydrogenation technology version 20190610 - HCBBS Forum
72. 【Daily Question No. 320】November 22, 2018 - HCBBS Forum
73. 【Daily Question No. 311】November 13, 2018 - HCBBS Forum
74. Reciprocating compressor maintenance - HCBBS Forum
75. By how much can the density of hydrogenated diesel produced by a diesel hydrogenation unit generally be reduced? - HCBBS Forum
76. 【Daily Question 2019】Hydrogen production and hydrogenation section – Questions No. 4–18 - HCBBS Forum
77. 【Daily Question】Hydrogen production and hydrogenation technology version 20191231 - HCBBS Forum
78. 【Daily Question】Hydrogen production and hydrogenation technology version 20191124 - HCBBS Forum
79. 【Daily Question】Hydrogen production and hydrogenation technology version 20200323 - HCBBS Forum
80. Dear experts, please help analyze whether there are any mistakes in this statement - HCBBS Forum
81. Reasons for copper sheet corrosion in gasoline - HCBBS Forum
82. Hydrogenation, intercooling, high-pressure separation - HCBBS Forum
83. How is carbon monoxide generated in the hydroprocessed contaminated oil wastewater wells? - HCBBS Forum
84. Are there any technicians experienced in diesel hydrodesulfurization and fractionation? - HCBBS Forum
85. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 087 - HCBBS Forum
86. Do you know the reasons for the excessive temperature difference at the inlet of the heating furnace? - HCBBS Forum
87. Equipment rusting issue - HCBBS Forum
88. 【Daily Question】Hydrogen production and hydrogenation technology version 20190729 - HCBBS Forum
89. 【Daily Question】Hydrogen production and hydrogenation technology version 20200124 - HCBBS Forum
90. Paraffin oil hydrogenation - HCBBS Forum
91. 【Daily Question No. 302】November 4, 2018 - HCBBS Forum
92. 【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 5-02 - HCBBS Forum
93. Seeking help with the hydrogenation wax oil process package - HCBBS Forum
94. 【Daily Question】Hydrogen production and hydrogenation technology version 20200308 - HCBBS Forum
95. Requirements for metal content in hydrogenation catalysts - HCBBS Forum
96. What are the hazards of a high bromine value in diesel? - HCBBS Forum
97. 【Daily Question】Hydrogen production and hydrogenation technology version 20200321 - HCBBS Forum
98. The impact of coke powder carried by catalytic diesel and coker diesel on hydrogenation units - HCBBS Forum
99. 【Daily Question】Hydrogen production and hydrogenation technology version 20190731 - HCBBS Forum
100. What is the maximum high temperature that 15CrMo material can withstand? - HCBBS Forum