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  1. Turbine quick-shut valve - HCBBS Forum
  2. How to protect the catalyst in hydrogenation reactions and extend the turnaround period? ? - HCBBS Forum
  3. Catalytic Coking Reformate Blending Version 20181005 - HCBBS Forum
  4. 【Daily Question No. 153】May 29, 2020 - HCBBS Forum
  5. How many steps are required to start up a atmospheric and vacuum distillation unit? What are the key points for starting work? - HCBBS Forum
  6. Isomerization - HCBBS Forum
  7. Catalytic Coking Reformate Blending Version 20190223 - HCBBS Forum
  8. 【Daily Question No. 166】June 11, 2020 - HCBBS Forum
  9. 【Daily Question】Catalytic Coking Reformate Blending Version 20170718 - HCBBS Forum
  10. Do you have any good ideas regarding unified regulations for DCS configuration? Are there uniform requirements? - HCBBS Forum
  11. 【Daily Question】Catalytic Coking Reformate Blending Version 20170318 - HCBBS Forum
  12. Catalytic dead bed - HCBBS Forum
  13. Many chemical companies are now boldly rehiring young people - HCBBS Forum
  14. 【Daily Question No. 28】January 28, 2020 - HCBBS Forum
  15. Lower the constant bottom liquid level slightly backward, and the top temperature will rise immediately - HCBBS Forum
  16. Calculation of energy consumption in refineries - HCBBS Forum
  17. What is a CFB boiler? Thank you! - HCBBS Forum
  18. True or False questions on December 21, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for replying) - HCBBS Forum
  19. Catalytic Coking Reformate Blending Version 20190213 - HCBBS Forum
  20. What causes unstable liquid level in the liquefied gas washing tank? - HCBBS Forum
  21. Daily maintenance of the backup main fan - HCBBS Forum
  22. 【Daily Question No. 312】December 29, 2020 - HCBBS Forum
  23. Atmospheric pressure column quality control - HCBBS Forum
  24. Upward tube technical upgrades, waste heat recovery technology – can anyone explain this? What are the investment benefits before and after? - HCBBS Forum
  25. Catalytic Coking Reformate Blending Version 20190620 - HCBBS Forum
  26. Ammonia escape problem in catalytic flue gas denitration - HCBBS Forum
  27. Catalytic Coking Reformate Blending Version 20190127 - HCBBS Forum
  28. 【Daily Question No. 57】February 26, 2021 - HCBBS Forum
  29. Catalytic slurry circulation interrupted - HCBBS Forum
  30. Atmospheric and vacuum distillation unit slag cooling water cooler - HCBBS Forum
  31. Could some expert give me some advice? I need to determine the heat transfer power of the heat exchanger. Thank you in advance - HCBBS Forum
  32. Blower problems - HCBBS Forum
  33. In the calculation of flow-limiting orifice plates according to HG/T20570, does avoiding choked flow also result in the loss of the flow-limiting function? - HCBBS Forum
  34. What kind of water is suitable for use in electrodesalination water injection? - HCBBS Forum
  35. Practice questions on April 8, 2017; replies will earn 2–6 points (no scoring after the (** symbol is shown), thank you for your replies) - HCBBS Forum
  36. Practice questions on July 14, 2007; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies - HCBBS Forum
  37. 【Daily Question No. 262】November 9, 2020 - HCBBS Forum
  38. 【Daily Question No. 261】September 18, 2018 - HCBBS Forum
  39. Those who need PSA nitrogen generators, please contact me - HCBBS Forum
  40. Which expert can recommend a contractor for catalytic converter linings? - HCBBS Forum
  41. Why can’t the ammonia-based flue gas desulfurization technology be widely adopted? - HCBBS Forum
  42. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171110 - HCBBS Forum
  43. What domestic and foreign equipment and processes were selected for the Zhejiang Petrochemical project? Attached is a summary of information on the 40 million tons/year integrated refining and chemical project! - HCBBS Forum
  44. How can beginners in coking improve their operational skills? - HCBBS Forum
  45. The slurry has a high density, so it cannot be flung out - HCBBS Forum
  46. 【Daily Question No. 198】July 17, 2019 - HCBBS Forum
  47. 【Daily Question No. 212】July 31, 2019 - HCBBS Forum
  48. What are the material hazards in atmospheric and vacuum distillation units? - HCBBS Forum
  49. 【Daily Question No. 225】August 13, 2019 - HCBBS Forum
  50. How can pressure reduction be used to achieve rapid vacuuming? - HCBBS Forum
  51. Why is no screen installed in the secondary gas of the UOP catalyst feedstock lift in continuous reforming? - HCBBS Forum
  52. After ammonia injection at atmospheric pressure, will the product, used as a raw material for other units, cause salt formation that affects those units? - HCBBS Forum
  53. Catalytic Coking Reformate Blending Version 20190708 - HCBBS Forum
  54. What is the calculated temperature for the cold wall equipment and pipelines in the catalytic cracking reactor-regenerator system? - HCBBS Forum
  55. 【Daily Question No. 136】May 15, 2020 - HCBBS Forum
  56. Continuous reforming with catalyst - HCBBS Forum
  57. 【Daily Question】Catalytic Coking Reformate Blending Version 20180505 - HCBBS Forum
  58. 【Q&A】Catalytic Coking Reformate Blending Edition 20170830 - HCBBS Forum
  59. Subsequent treatment of reformed hydrogen - HCBBS Forum
  60. Catalytic Coking Reformate Blending Version 20180810 - HCBBS Forum
  61. Sinopec launches the “Safety Production Month” campaign - HCBBS Forum
  62. 『Original by HaiChuan Translation Team』Petroleum Glossary (Part 1) - HCBBS Forum
  63. Catalytic Coking Reformate Blending Version 20190415 - HCBBS Forum
  64. Practice **questions on March 19, 2017; replies will earn 2–6 points (** no scoring after it is displayed, thank you for your replies) - HCBBS Forum
  65. Question for assistance: Can a floating roof tank for storing crude oil and a floating roof tank for storing naphtha be built within the same fire dike? - HCBBS Forum
  66. Strict supervision over certificates for chemical process operators - HCBBS Forum
  67. 【Daily Question No. 96】April 6, 2019 - HCBBS Forum
  68. Application for qualifications to blend ethanol in gasoline - HCBBS Forum
  69. What is the impact of changes in the properties of catalytic cracking feedstock oil on the reaction temperature? - HCBBS Forum
  70. Will a failure of the main fan, which stops air supply, cause the catalyst in the regenerator to be lost? - HCBBS Forum
  71. 【Daily Question】Catalytic Coking Reformate Blending Version 20170727 - HCBBS Forum
  72. 【Daily Question No. 50】February 19, 2020 - HCBBS Forum
  73. 95% point of catalytic cracked light diesel - HCBBS Forum
  74. Catalytic termination dose range - HCBBS Forum
  75. Oxidized asphalt design - HCBBS Forum
  76. Catalytic Coking Reformate Blending Version 20191010 - HCBBS Forum
  77. Is the asphalt unit considered a vacuum distillation unit? - HCBBS Forum
  78. Determination of the preheating temperature of the crude oil before entering the nozzle - HCBBS Forum
  79. Orifice plate steam consumption - HCBBS Forum
  80. Dry gas seal of rich gas compressor - HCBBS Forum
  81. Why does the flue gas volume increase after reducing the load in catalytic cracking? - HCBBS Forum
  82. What are the differences between etherified gasoline, MTBE gasoline, and alkylated gasoline? - HCBBS Forum
  83. I have questions regarding the initial startup of the hydrogenation unit; could I ask the experienced workers for advice? ! - HCBBS Forum
  84. Chlorine content in vacuum distillation crude oil after desalination - HCBBS Forum
  85. 【Daily Question No. 94】April 3, 2020 - HCBBS Forum
  86. The solid content of the slurry is high; help! - HCBBS Forum
  87. 【Daily Question No. 208】July 27, 2018 - HCBBS Forum
  88. What are the product specifications for Petroleum Benzene 545? A brief analysis of the reasons for low purity and unsatisfactory melting points of petroleum benzene? - HCBBS Forum
  89. Catalytic Coking Reformate Blending Version 20190317 - HCBBS Forum
  90. Adjustment of feedstock feeding rate in delayed coking - HCBBS Forum
  91. 【Daily Question No. 67】March 8, 2019 - HCBBS Forum
  92. 【Daily Question No. 176】June 25, 2019 - HCBBS Forum
  93. Cyclemax is available in several versions - HCBBS Forum
  94. How much of the vapor from the diesel side stream stripper’s top is returned to the main distillation column? - HCBBS Forum
  95. Hello Haiyou, I sometimes see diesel electrolytic decolorization – what is this process? - HCBBS Forum
  96. Problems with the furnace tubes in coking heaters - HCBBS Forum
  97. 【Daily Question No. 140】May 19, 2020 - HCBBS Forum
  98. 【Daily Question No. 266】September 23, 2018 - HCBBS Forum
  99. 【Daily Question No. 015】January 15, 2018 - HCBBS Forum
  100. What can the condensate from oil fields be used for? - HCBBS Forum
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