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  1. What should the chloride ion content not exceed in coal tar hydrogenation, and can it be controlled? - HCBBS Forum
  2. Expert advice - HCBBS Forum
  3. 【Daily Question Question 329】December 13, 2017 - HCBBS Forum
  4. The hydrogenation reaction is an exothermic reaction; why then does increasing the temperature facilitate its progress? - HCBBS Forum
  5. Removal and deposition of Fe from the feedstock of hydrogenation units - HCBBS Forum
  6. 【Daily Question Question 272】2017.09.30 - HCBBS Forum
  7. Pressure drop in the continuous reforming pre-hydrogenation reactor - HCBBS Forum
  8. The rising and falling tubes of the drum - HCBBS Forum
  9. 【Q&A Question 269】2017.09.27 - HCBBS Forum
  10. 【Q&A Question 118】April 28, 2018 - HCBBS Forum
  11. Who has the book “Hydrocracking”? Edited by Fang Xiangchen; electronic version - HCBBS Forum
  12. French primeG gasoline two-stage hydrogenation - HCBBS Forum
  13. What are the reasons for severe pipeline corrosion in methanol-to-hydrogen plants? - HCBBS Forum
  14. Reflections on the lessons learned from the fire caused by a leak at the thermal low-pressure flange of the Lu’an hydrogenation unit? - HCBBS Forum
  15. [Q&A Question 273] 2017.10.01 - HCBBS Forum
  16. The color of the catalytic cracked naphtha has turned yellow – any advice? - HCBBS Forum
  17. The hydrogenation reaction is an exothermic reaction; why then does increasing the temperature facilitate its progress? - HCBBS Forum
  18. Commissioning of 500,000-ton coal tar hydrogenation project in Inner Mongolia - HCBBS Forum
  19. 【Q&A Question 059】February 28, 2018 - HCBBS Forum
  20. Density meter for measuring reaction products - HCBBS Forum
  21. Comparison of hydrogen production costs - HCBBS Forum
  22. How to reduce the amount of circulating hydrogen? - HCBBS Forum
  23. Which companies are good at hydrogen peroxide technology? - HCBBS Forum
  24. 【Q&A Question 130】2018.05.10 - HCBBS Forum
  25. 115- Design of the inlet filter separator for the Sola turbine compressor used in hydrogen mixing compression in petrochemical hydrogenation units - HCBBS Forum
  26. Several issues regarding the shutdown of diesel hydrogenation - HCBBS Forum
  27. Hydrogenation unit pipelines - HCBBS Forum
  28. 【Q&A Question 291】November 5, 2017 - HCBBS Forum
  29. [Q&A Question 278] 2017.10.06 - HCBBS Forum
  30. Alkali washing and water washing in the hydrorefining unit - HCBBS Forum
  31. How to prevent oil leakage and fire due to insulation? - HCBBS Forum
  32. Selection of the pre-sulfiding endpoint temperature for hydrogenation units - HCBBS Forum
  33. Temperature of residue hydrogenation hot fraction before air cooling and water injection? - HCBBS Forum
  34. [Q&A Question 335] 2017.12.19 - HCBBS Forum
  35. 0.7MPa emergency pressure relief - HCBBS Forum
  36. Optimization of acidic water gas for hydrogen production - HCBBS Forum
  37. Issues with the primary and secondary legs of the cyclone separator in the s zorb regenerator - HCBBS Forum
  38. Cyclic hydrogen purity - HCBBS Forum
  39. Problems with oil-water separation at low temperatures? - HCBBS Forum
  40. [Q&A Question 046] 2018.02.15 - HCBBS Forum
  41. Which are the manufacturers of air preheaters for converter furnaces? - HCBBS Forum
  42. The issue of reactor pressure drop - HCBBS Forum
  43. What to do if the CO level in the hydrogen production conversion gas is too high? Waiting online. - HCBBS Forum
  44. 【Daily Question No. 200】2017.07.19 - HCBBS Forum
  45. 【Daily Question Question 276】2017.10.04 - HCBBS Forum
  46. [Q&A Question 212] 2017.07.31 - HCBBS Forum
  47. 【Daily Question No. 228】2017.08.16 - HCBBS Forum
  48. Problems with the high-pressure and low-pressure tanks in hydrogenation units - HCBBS Forum
  49. . When should the stripping steam be turned on? - HCBBS Forum
  50. Natural gas to hydrogen, presulfurization - HCBBS Forum
  51. Shandong’s local refineries are building ten methanol-to-hydrogen plants to supply hydrogen for the upgrading of oil products - HCBBS Forum
  52. Gasoline hydrogenation start-up and shutdown plan - HCBBS Forum
  53. (Hydrogen production and steam supply) Why must the outlet temperature of the medium-temperature shift reactor reach 150 degrees before hydrogen can be introduced? - HCBBS Forum
  54. Handling of voltage fluctuations and power outages in diesel hydrogenation processes - HCBBS Forum
  55. 【Daily Question Question 338】December 22, 2017 - HCBBS Forum
  56. [Q&A Question 228] 2018.08.22 - HCBBS Forum
  57. Why does catalytic gasoline turn green? - HCBBS Forum
  58. 【Q&A No. 029】2018.01.29 - HCBBS Forum
  59. Regulating valve for wet hydrogen sulfide conditions - HCBBS Forum
  60. 【Q&A Question 133】2018.05.13 - HCBBS Forum
  61. Capacity expansion and renovation of hydrogenation unit - HCBBS Forum
  62. Discuss the maintenance methods and precautions for threaded lock-type heat exchangers - HCBBS Forum
  63. (Hydrogen production converter) What are the possible reasons for an excessive pressure difference in the converter? - HCBBS Forum
  64. [Q&A Question 178] 2018.07.02 - HCBBS Forum
  65. What are the effects of a high inlet temperature in the recycle hydrogen compressor? - HCBBS Forum
  66. [Q&A Question 324] 2017.12.08 - HCBBS Forum
  67. 【Daily Question No. 261】2017.09.19 - HCBBS Forum
  68. 【Q&A Question 151】2018.05.31 - HCBBS Forum
  69. Q&A on hydrogen production technology, solutions to doubts - HCBBS Forum
  70. 【Q&A Question 077】March 18, 2018 - HCBBS Forum
  71. Gasoline hydrogenation - HCBBS Forum
  72. Hydrocracking conversion rate issue - HCBBS Forum
  73. May I ask for the contact information of manufacturers of hydrogen production technology? - HCBBS Forum
  74. 【Q&A Question 113】April 23, 2018 - HCBBS Forum
  75. Gasoline hydrodenitration capacity - HCBBS Forum
  76. Keep studying hard to improve yourself; or use gifts and invitations to move forward in your career - HCBBS Forum
  77. High-pressure hydrogen - HCBBS Forum
  78. [Q&A Question 190] 2018.07.15 - HCBBS Forum
  79. 【Q&A Question 017】2018.01.17 - HCBBS Forum
  80. Outlet of a feed pump, high-speed centrifugal pump, after it is started up - HCBBS Forum
  81. 【Q&A Question 316】November 30, 2017 - HCBBS Forum
  82. Hydrorefining – Assistance with drying and dehydrating the startup catalyst - HCBBS Forum
  83. 【Q&A Question 201】2017.07.20 - HCBBS Forum
  84. What caused the leak in the isothermal hydrogenation reactor for hydrogen production? - HCBBS Forum
  85. How to conduct a single-unit trial operation of the boiling pump in a fluidized bed residue hydrogenation unit - HCBBS Forum
  86. On the circulation volume of the cyclic hydrogen compressor at different pressures - HCBBS Forum
  87. What is the treatment method for cold feed in the gas phase? - HCBBS Forum
  88. Gasoline hydrogenation - HCBBS Forum
  89. When will the activities in the hydrogen sector resume? - HCBBS Forum
  90. [Q&A Question 299] 2017.11.13 - HCBBS Forum
  91. Corrosion inhibitor injected into the distillation system - HCBBS Forum
  92. 【Daily Question No. 260】2017.09.18 - HCBBS Forum
  93. 【Q&A Question 129】2018.05.09 - HCBBS Forum
  94. 【Daily Question Question 336】December 20, 2017 - HCBBS Forum
  95. 【Q&A Question 037】2018.02.06 - HCBBS Forum
  96. 【Daily Question Question 231】2017.08.19 - HCBBS Forum
  97. Reaction pressure drop - HCBBS Forum
  98. ammonium salts - HCBBS Forum
  99. Interview question sharing - HCBBS Forum
  100. Wax oil sample analysis - HCBBS Forum
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