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  1. I have a question - HCBBS Forum
  2. Do the steam generator and the medium-pressure steam separator fall under the category of boilers? - HCBBS Forum
  3. Design specifications for on-site vent pipes - HCBBS Forum
  4. 【Daily Question No. 111】April 21, 2017 - HCBBS Forum
  5. 【Daily Question No. 005】2017.01.05 - HCBBS Forum
  6. 【Daily Question No. 159】2017.06.08 - HCBBS Forum
  7. On the comprehensive utilization of ethylene tar - HCBBS Forum
  8. 【Daily Question No. 041】2017.02.10 - HCBBS Forum
  9. 【Q&A Question 101】April 11, 2017 - HCBBS Forum
  10. On the drying of hydrogenation catalysts prior to presulfurization - HCBBS Forum
  11. Boiling bed residue catalyst transfer system - HCBBS Forum
  12. 【Daily Question No. 185】2017.07.04 - HCBBS Forum
  13. Chinese gasoline solvent desulfurization manufacturers - HCBBS Forum
  14. 【Daily Question No. 074】March 15, 2017 - HCBBS Forum
  15. 【Q&A Question 013】2017.01.13 - HCBBS Forum
  16. Why cannot hydrogen pipelines be washed with water - HCBBS Forum
  17. Flowchart and control points for the reaction station - HCBBS Forum
  18. Is it necessary to add chemicals when injecting water during hydrogenation? - HCBBS Forum
  19. 【Daily Question No. 131】2017.05.11 - HCBBS Forum
  20. 【Daily Question No. 190】2017.07.09 - HCBBS Forum
  21. Why is the high-pressure separation tank for the hydrogenation of C9 heavy aromatics used in a vertical configuration? - HCBBS Forum
  22. 【Daily Question No. 112】April 22, 2017 - HCBBS Forum
  23. [Q&A Question 198] 2017.07.17 - HCBBS Forum
  24. What personal protective equipment and fire emergency supplies are available in your hydrogenation units? - HCBBS Forum
  25. [Q&A Question 104] 2017.04.14 - HCBBS Forum
  26. Who has question banks on benzene hydrogenation or study materials? Thank you - HCBBS Forum
  27. Why is diesel blended into paraffin oil? - HCBBS Forum
  28. Consultation on the amount of instrument flushing oil required for the high-pressure residue hydrogenation unit! - HCBBS Forum
  29. What are the impacts of keeping the hydrogen production plant operating at low load? - HCBBS Forum
  30. [Q&A Question 173] 2017.06.22 - HCBBS Forum
  31. Natural gas-hydrogen cyanide-trimethyl orthoformate process route - HCBBS Forum
  32. 【Daily Question No. 081】2017.03.22 - HCBBS Forum
  33. How should the full hydrogenation process, often mentioned in refining plans, be understood? - HCBBS Forum
  34. The role of recycled hydrogen - HCBBS Forum
  35. 【Daily Question No. 176】2017.06.25 - HCBBS Forum
  36. 【Daily Question No. 031】2017.01.31 - HCBBS Forum
  37. 【Q&A Question 176】2017.06.25 - HCBBS Forum
  38. How long after the new hydrogen production facility starts operating does pipeline thickness testing begin? - HCBBS Forum
  39. When is the sulfidation process for hydrogenation units usually carried out? - HCBBS Forum
  40. 【Daily Question No. 009】2017.01.09 - HCBBS Forum
  41. Accidents caused by instrument failures? - HCBBS Forum
  42. 【Daily Question No. 042】2017.02.11 - HCBBS Forum
  43. [Q&A Question 196] 2017.07.15 - HCBBS Forum
  44. 【Daily Question No. 088】March 29, 2017 - HCBBS Forum
  45. Issue of diesel hydrorefining feedstock ratio - HCBBS Forum
  46. Hydrogen gas volume calculation - HCBBS Forum
  47. Discussion on the adjustment process during the commissioning of the fractionation section of a hydrocracking unit - HCBBS Forum
  48. 【Daily Question No. 057】2017.02.26 - HCBBS Forum
  49. Variation patterns of hydrogen solubility in light and heavy oil products - HCBBS Forum
  50. 【Q&A Question 066】2017.03.07 - HCBBS Forum
  51. 【Q&A Question 018】2017.01.18 - HCBBS Forum
  52. 【Daily Question No. 148】2017.05.28 - HCBBS Forum
  53. Why can’t water be used to extinguish a hydrogen fire? - HCBBS Forum
  54. Hydrogen production training materials - HCBBS Forum
  55. 【Q&A Question 081】March 22, 2017 - HCBBS Forum
  56. [Q&A Question 115] 2017.04.25 - HCBBS Forum
  57. Oil filter elements in petroleum installations - HCBBS Forum
  58. 【Q&A Question 052】2017.02.21 - HCBBS Forum
  59. As the circulation volume of hydrocracking tail oil increases, what changes occur in the molecular structure of the various products? - HCBBS Forum
  60. 【Daily Question No. 051】2017.02.20 - HCBBS Forum
  61. 【Daily Question No. 087】March 28, 2017 - HCBBS Forum
  62. 【Daily Question No. 059】February 28, 2017 - HCBBS Forum
  63. [Q&A Question 188] 2017.07.07 - HCBBS Forum
  64. Could anyone share a question bank on aviation fuel hydrogenation? Thank you - HCBBS Forum
  65. What is the difference between lard oil hydrocracking and residue oil hydrocracking? - HCBBS Forum
  66. Which company has the best technology for producing hydrogen from natural gas? - HCBBS Forum
  67. Removal of carbon black from pyrolyzed oil derived from used tires - HCBBS Forum
  68. 【Q&A Question 041】February 10, 2017 - HCBBS Forum
  69. Are electric shut-off valves required at the base of the raw material tanks and product tanks in hydrogenation units for gasoline, diesel, etc.? - HCBBS Forum
  70. How to determine the sulfur content on the catalyst - HCBBS Forum
  71. [Q&A Question 065] 2017.03.06 - HCBBS Forum
  72. 【Daily Question No. 089】March 30, 2017 - HCBBS Forum
  73. 【Daily Question No. 054】2017.02.23 - HCBBS Forum
  74. What to do if the sulfur content in the hydrogenation unit is too high? - HCBBS Forum
  75. Seek catalyst passivation solutions for dry gas hydrogen production - HCBBS Forum
  76. 【Daily Question No. 187】2017.07.06 - HCBBS Forum
  77. What is the impact of severe water contamination in the feed stream of the unit on operations? - HCBBS Forum
  78. Looking for the operating procedures for a mixed alkane dehydrogenation unit - HCBBS Forum
  79. Detection methods for CO in circulating hydrogen and fresh hydrogen in hydrogenation units - HCBBS Forum
  80. What is the effect of different components in gasoline and diesel on their octane and cetane numbers? - HCBBS Forum
  81. Production of white oil via heterogeneous dewaxing - HCBBS Forum
  82. Issues with the szorb feed valve - HCBBS Forum
  83. 2017 Q&A Summary Post (Fully Updated) - HCBBS Forum
  84. 【Q&A Question 128】2017.05.08 - HCBBS Forum
  85. Regarding chain logic - HCBBS Forum
  86. 【Daily Question No. 129】2017.05.09 - HCBBS Forum
  87. 【Q&A Question 078】March 19, 2017 - HCBBS Forum
  88. Hydrogenation - HCBBS Forum
  89. Can hydrocracking units process heavy aromatics? - HCBBS Forum
  90. 【Q&A Question 171】2017.06.20 - HCBBS Forum
  91. 【Daily Question No. 123】2017.05.03 - HCBBS Forum
  92. Zhejiang Petrochemical - HCBBS Forum
  93. 【Q&A Question 152】2017.06.01 - HCBBS Forum
  94. For a short shutdown (2 hours) of the dry gas hydrogen production conversion catalyst, how long is catalyst reduction usually carried out? - HCBBS Forum
  95. Explosion in the diesel hydrogenation hydrogenation system - HCBBS Forum
  96. How does the opening degree of the induced draft fan affect negative pressure? - HCBBS Forum
  97. [Q&A Question 002] 2017.01.02 - HCBBS Forum
  98. 【Q&A Question 184】2017.07.03 - HCBBS Forum
  99. What is the reaction mechanism underlying the isomerization in heavy oil hydrogenation? - HCBBS Forum
  100. 【Q&A Question 006】2017.01.06 - HCBBS Forum
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