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  1. 【Daily Question No. 265】September 22, 2018 - HCBBS Forum
  2. 【Daily Question No. 50】February 19, 2019 - HCBBS Forum
  3. 【Daily Question No. 43】February 12, 2020 - HCBBS Forum
  4. Can the regenerator be unloaded without vacuum? - HCBBS Forum
  5. The issue of sulfur content in oil - HCBBS Forum
  6. Compilation of Petroleum Product Standards by China National Petroleum Lubricants Corporation - HCBBS Forum
  7. Suggestions on learning production processes - HCBBS Forum
  8. 【Daily Question No. 119】April 28, 2020 - HCBBS Forum
  9. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171103 - HCBBS Forum
  10. 【Daily Question No. 180】June 29, 2019 - HCBBS Forum
  11. Lula crude oil - HCBBS Forum
  12. Catalytic Coking Reformate Blending Version 20190305 - HCBBS Forum
  13. 16. When should the water seal at the exhaust of the smoke extractor be removed? - HCBBS Forum
  14. 【Q&A】Catalytic Coking Reformate Blending Edition 20171123 - HCBBS Forum
  15. Catalytic Coking Reformate Blending Version 20181206 - HCBBS Forum
  16. New to polypropylene; desperately seeking methods for polypropylene technology* - HCBBS Forum
  17. During the anti-freezing period, during inspections ensure that the outlet valves on the local glass panels of all containers are closed to drain all the material - HCBBS Forum
  18. Is the freezing point of saltwater lower than that of fresh water? - HCBBS Forum
  19. How can catalytic cracking operations be adjusted to reduce the benzene content in gasoline? - HCBBS Forum
  20. In-depth article ‖ Improvements to the operations in the thermal standby room of delayed coking! - HCBBS Forum
  21. I’d like to ask quietly: what are the consequences of not having continuous operation for several months, with irregular operation intervals, and a furnace water pH of 6-7? - HCBBS Forum
  22. Catalytic Coking Reformate Blending Version 20190311 - HCBBS Forum
  23. Regarding anti-freezing - HCBBS Forum
  24. What does MZRCC in catalytic cracking mean? - HCBBS Forum
  25. 【Daily Question】Catalytic Coking Reformate Blending Version 20170821 - HCBBS Forum
  26. 【Daily Question No. 260】September 18, 2019 - HCBBS Forum
  27. Stable gasoline dry point - HCBBS Forum
  28. Issues related to the wall temperature of the heating tubes in delayed coking units - HCBBS Forum
  29. 【Daily Question No. 236】August 24, 2018 - HCBBS Forum
  30. 【Daily Question No. 154】June 3, 2019 - HCBBS Forum
  31. What are the causes of feed interruption in a heating furnace and how to deal with it? - HCBBS Forum
  32. What is the maximum temperature that can be reached in the furnace chamber of a atmospheric pressure furnace? - HCBBS Forum
  33. 54. Please briefly describe the consequences of scaling in heat exchange equipment. - HCBBS Forum
  34. 【Daily Question No. 58】February 27, 2020 - HCBBS Forum
  35. Catalytic Coking Reformate Blending Version 20200520 - HCBBS Forum
  36. Clarify the changes in the “point” - HCBBS Forum
  37. Discussions on the reprocessing of waste oil at various refineries? - HCBBS Forum
  38. 【Daily Question No. 150】May 30, 2019 - HCBBS Forum
  39. Eight operational standard specifications for the plant area - HCBBS Forum
  40. 【Daily Question】Catalytic Coking Reformate Blending Version 20170814 - HCBBS Forum
  41. Corrosion of the wall in flue gas desulfurization towers - HCBBS Forum
  42. Multiple-choice Questions – Dry Gas Recovery and Wastewater Stripping Version: One Question per Day, 12.13 - HCBBS Forum
  43. Suspension bed (fixed bed) hydrogenation - HCBBS Forum
  44. 【Daily Question】Catalytic Coking Reformate Blending Version 20170513 - HCBBS Forum
  45. Recycling chemical raw materials - HCBBS Forum
  46. 【Daily Question No. 240】August 24, 2020 - HCBBS Forum
  47. 【Daily Question No. 140】May 20, 2018 - HCBBS Forum
  48. The function of the FCC reviver - HCBBS Forum
  49. 【Daily Question No. 243】August 27, 2020 - HCBBS Forum
  50. Seek electronic version of Q&A on catalytic cracking desulfurization and denitration technologies - HCBBS Forum
  51. Why is the octane rating greater than 100? - HCBBS Forum
  52. Let an expert introduce what asphalt derivatives currently exist and which of them offer good benefits - HCBBS Forum
  53. 【Q&A】Catalytic Coking Reformate Blending Edition 20171206 - HCBBS Forum
  54. Processing capacity - HCBBS Forum
  55. 169-Analysis of the gas-liquid separation and demisting device in the flue gas desulfurization scrubber of Zhuhai Baota Petrochemical’s catalytic cracking unit and sulfur recovery unit - HCBBS Forum
  56. True or False questions on November 24, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for replying) - HCBBS Forum
  57. Catalytic Coking Reformate Blending Version 20190301 - HCBBS Forum
  58. Catalytic Coking Reformate Blending Version 20200103 - HCBBS Forum
  59. Pinacol coke production - HCBBS Forum
  60. Reasons for seal coking - HCBBS Forum
  61. If the gasoline is not properly sealed, will its octane rating decrease over time? - HCBBS Forum
  62. Catalytic Coking Reformate Blending Version 20181109 - HCBBS Forum
  63. Valves for catalytic regeneration in continuous reforming - HCBBS Forum
  64. Re-catalyst oil ratio issue - HCBBS Forum
  65. Is remote startup required for the catalytic main fan? - HCBBS Forum
  66. What effective measures should be taken after an electrodialysis shutdown to restore power to it as soon as possible? - HCBBS Forum
  67. 【Daily Question】Catalytic Coking Reformate Blending Version 20170912 - HCBBS Forum
  68. Request the technical specifications for various heavy oil catalytic cracking sludges (FCC sludges) - HCBBS Forum
  69. 【Daily Question No. 253】September 10, 2019 - HCBBS Forum
  70. 【Daily Question】Catalytic Coking Reformate Blending Version 20180626 - HCBBS Forum
  71. Pressure difference issue between the nitrogen-sealed tank and the sealed hopper during restructuring - HCBBS Forum
  72. Issues with crew member shift replacements - HCBBS Forum
  73. 【Q&A】Catalytic Coking Reformate Blending Edition 20171119 - HCBBS Forum
  74. Catalytic Coking Reformate Blending Version 20200625 - HCBBS Forum
  75. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171108 - HCBBS Forum
  76. If the original water contains moisture, should the mixing pressure in the feed desalination tank be reduced or increased? - HCBBS Forum
  77. 1 - HCBBS Forum
  78. 【Daily Question No. 157】June 6, 2018 - HCBBS Forum
  79. Sealing oil medium for catalytic devices - HCBBS Forum
  80. 26. How to handle the unit after the main fan interlock occurs? - HCBBS Forum
  81. 【Q&A】Catalytic Coking Reformate Blending Edition 20171204 - HCBBS Forum
  82. [Q&A] Catalytic Coking Reformate Blending Version 20170929 - HCBBS Forum
  83. Chemical plant operator - HCBBS Forum
  84. Current comparison of heating furnace soot blowers - HCBBS Forum
  85. How to deal with the situation where the raffinate oil from aromatic extraction contains a large amount of free water? - HCBBS Forum
  86. pyrolyzed carbon black - HCBBS Forum
  87. Counter-current moving bed process - HCBBS Forum
  88. Can crude oil storage tanks be used to hold heavy oil and residue oil after being emptied? - HCBBS Forum
  89. 【Daily Question No. 25】January 25, 2020 - HCBBS Forum
  90. 【Daily Question No. 36】February 5, 2021 - HCBBS Forum
  91. What is the cost of treating COD in the water obtained through electrodesalination? - HCBBS Forum
  92. 【Daily Question】Catalytic Coking Reformate Blending Version 20170403 - HCBBS Forum
  93. Cetane number composition and relationships of diesel - HCBBS Forum
  94. Teachers, please help. What is the purpose of installing a chlorine injection line at the outlet of the UOP catalytic reforming regenerator dryer? What is the difference between chlorine injection and oxygen chlorination for removal of chlorine? - HCBBS Forum
  95. 【Daily Question】Catalytic Coking Reformate Blending Version 20170505 - HCBBS Forum
  96. 【Daily Question No. 26】January 26, 2020 - HCBBS Forum
  97. Inspection of the discharge volume from the refinery’s low-voltage flare system? - HCBBS Forum
  98. 92. Why must the system be disconnected when the unit shuts down? - HCBBS Forum
  99. In catalytic cracking, when reaction pressure occurs, the distillation pressure rises sharply, the pressure at the compressor inlet drops sharply, and then it returns to normal automatically - HCBBS Forum
  100. Catalytic cracking feedstock analysis - HCBBS Forum
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