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  1. 【Daily Question No. 310】November 7, 2019 - HCBBS Forum
  2. Temperature of 10% distillate for gasoline - HCBBS Forum
  3. 【Daily Question No. 55】February 24, 2020 - HCBBS Forum
  4. Catalytic Coking Reformate Blending Version 20191105 - HCBBS Forum
  5. Dear sea friends, I would like to ask: for the ammonia compressor’s dry gas seal, the required pressure difference for the first-stage seal in the low-pressure cylinder is 0.2 Mp, while it is 0.5 Mpaa for the high-pressure cylinder - HCBBS Forum
  6. Clogging of the wet air-cooling inlet pipe - HCBBS Forum
  7. 【Daily Question No. 246】August 30, 2020 - HCBBS Forum
  8. I have been working on a thesis recently, which deals with the control of nitrogen oxides in the flue gases generated during catalytic cracking regeneration. Could any expert explain to me the principle of denitration combustion promoters? - HCBBS Forum
  9. Difference between catalytic slurry and clarified oil - HCBBS Forum
  10. 【Daily Question No. 234】August 18, 2020 - HCBBS Forum
  11. 【Daily Question No. 226】August 10, 2020 - HCBBS Forum
  12. Looking for information on catalytic cracking units - HCBBS Forum
  13. Tank Selection Books - HCBBS Forum
  14. 【Daily Question No. 128】May 7, 2020 - HCBBS Forum
  15. What is the protection radius of the LNG terminal flare? - HCBBS Forum
  16. 【Daily Question No. 117】April 26, 2020 - HCBBS Forum
  17. 【Daily Question No. 256】November 3, 2020 - HCBBS Forum
  18. 【Daily Question No. 251】October 3, 2020 - HCBBS Forum
  19. 【Daily Question No. 270】November 17, 2020 - HCBBS Forum
  20. Adjustment of carbon dioxide in propylene - HCBBS Forum
  21. 【Daily Question No. 195】July 10, 2020 - HCBBS Forum
  22. 【Daily Question No. 258】September 16, 2019 - HCBBS Forum
  23. Catalytic Coking Reformate Blending Version 20200525 - HCBBS Forum
  24. 【Daily Question No. 235】August 23, 2019 - HCBBS Forum
  25. 【Daily Question No. 274】November 21, 2020 - HCBBS Forum
  26. 【Daily Question No. 177】June 22, 2020 - HCBBS Forum
  27. 【Daily Question No. 219】August 3, 2020 - HCBBS Forum
  28. 【Daily Question No. 363】December 30, 2019 - HCBBS Forum
  29. Does anyone have the latest information on Zhejiang Petrochemical’s Phase II project? - HCBBS Forum
  30. Reciprocating compressor motor starts with overflow trip - HCBBS Forum
  31. 【Daily Question No. 224】August 8, 2020 - HCBBS Forum
  32. 【Daily Question No. 252】September 9, 2019 - HCBBS Forum
  33. Question! Fuel oil storage tank - HCBBS Forum
  34. 【Daily Question No. 316】November 13, 2019 - HCBBS Forum
  35. 【Daily Question No. 102】April 11, 2020 - HCBBS Forum
  36. 【Daily Question No. 60】February 29, 2020 - HCBBS Forum
  37. Catalytic Coking Reformate Blending Version 20191202 - HCBBS Forum
  38. Should the flare boundary valve of the unit be equipped with a single valve or two valves? - HCBBS Forum
  39. Catalytic Coking Reformate Blending Version 20200514 - HCBBS Forum
  40. What are the new technologies for catalytic desulfurization and desulfurization of liquefied gas? - HCBBS Forum
  41. 【Daily Question No. 279】November 26, 2020 - HCBBS Forum
  42. Four-way valve - HCBBS Forum
  43. 【Daily Question No. 54】February 23, 2020 - HCBBS Forum
  44. Fine powder catalyst wears through the deslagging pipeline - HCBBS Forum
  45. Catalytic Coking Reformate Blending Version 20190920 - HCBBS Forum
  46. Catalytic Coking Reformate Blending Version 20191204 - HCBBS Forum
  47. 【Daily Question No. 235】August 19, 2020 - HCBBS Forum
  48. Catalytic Coking Reformate Blending Version 20191025 - HCBBS Forum
  49. Are there any regulations regarding the airflow direction of explosion-proof axial flow fans on the walls of compressor rooms? - HCBBS Forum
  50. 【Daily Question No. 45】February 14, 2020 - HCBBS Forum
  51. Introduction to slurry dewatering technology - HCBBS Forum
  52. 【Daily Question No. 324】November 21, 2019 - HCBBS Forum
  53. 【Daily Question No. 155】May 31, 2020 - HCBBS Forum
  54. 【Daily Question No. 253】October 5, 2020 - HCBBS Forum
  55. Catalytic Coking Reformate Blending Version 202003020 - HCBBS Forum
  56. Sulfur forms in liquefied gas - HCBBS Forum
  57. Catalyst for Zhejiang Petrochemical’s 4 million tons per year diesel hydrocracking unit - HCBBS Forum
  58. Evaporation crystallization - HCBBS Forum
  59. Which units in refineries have promising prospects? - HCBBS Forum
  60. What additives are used for flue gas desulfurization water treatment - HCBBS Forum
  61. Catalytic Coking Reformate Blending Version 20191023 - HCBBS Forum
  62. Pressure and flow issues of leakage gas in series dry gas seals - HCBBS Forum
  63. Catalytic Coking Reformate Blending Version 20190827 - HCBBS Forum
  64. Catalytic Coking Reformate Blending Version 20191210 - HCBBS Forum
  65. Catalytic Coking Reformate Blending Version 20191231 - HCBBS Forum
  66. 【Daily Question No. 5】January 5, 2020 - HCBBS Forum
  67. Switch to reciprocating compressor for reformed regeneration gas - HCBBS Forum
  68. Introduction to Oil Mist Lubrication Systems—2 Advantages of Oil Mist Lubrication - HCBBS Forum
  69. 【Daily Question No. 233】August 17, 2020 - HCBBS Forum
  70. Can you supply the delayed coking gasoline and diesel directly to the subsequent hydrogenation units without delay? - HCBBS Forum
  71. Instrument high and low alarm - HCBBS Forum
  72. 【Daily Question No. 254】September 11, 2019 - HCBBS Forum
  73. Heating furnace issues - HCBBS Forum
  74. 【Daily Question No. 126】May 5, 2020 - HCBBS Forum
  75. 【Daily Question No. 99】April 8, 2020 - HCBBS Forum
  76. 【Daily Question No. 158】June 3, 2020 - HCBBS Forum
  77. Do the employees in the delayed coking unit need to learn other processes? - HCBBS Forum
  78. Separation and treatment of methane - HCBBS Forum
  79. Tar dehydration - HCBBS Forum
  80. 【Daily Question No. 283】November 30, 2020 - HCBBS Forum
  81. Catalytic Coking Reformate Blending Version 20200109 - HCBBS Forum
  82. Catalytic Coking Reformate Blending Version 20191128 - HCBBS Forum
  83. Selection of a pH meter for the alkaline solution in the catalytic flue gas desulfurization process - HCBBS Forum
  84. 【Daily Question No. 85】March 25, 2020 - HCBBS Forum
  85. 【Daily Question No. 75】March 15, 2020 - HCBBS Forum
  86. 【Daily Question No. 244】August 28, 2020 - HCBBS Forum
  87. Adjustment of main air volume - HCBBS Forum
  88. If an emulsion forms between the electrically desalinated oil and water, how do the devices used by experts handle this situation? ? ? - HCBBS Forum
  89. 【Daily Question No. 352】December 19, 2019 - HCBBS Forum
  90. Catalyst unit shutdown - HCBBS Forum
  91. What is the reason why the pH value of the water removed during electrodialysis keeps dropping to 4.3? - HCBBS Forum
  92. Discussion on crude oil blending plans - HCBBS Forum
  93. Electrodialysis wastewater treatment - HCBBS Forum
  94. Coking in catalytic cracking units - HCBBS Forum
  95. Factors affecting the flash point during experiments - HCBBS Forum
  96. LPG refining, gasoline refining test questions - HCBBS Forum
  97. Mechanism of cyanide generation in heavy oil catalytic cracking units - HCBBS Forum
  98. Setting of safety valves in crude oil electrodehydrators - HCBBS Forum
  99. 【Daily Question No. 285】December 2, 2020 - HCBBS Forum
  100. 【Daily Question No. 217】August 1, 2020 - HCBBS Forum
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