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  1. Is the isomerization dewaxing of lubricating oil considered hydrocracking? - HCBBS Forum
  2. Vibration of the catalytic reaction terminator nozzle - HCBBS Forum
  3. Water consumption per ton in refining and chemical enterprises - HCBBS Forum
  4. 【Daily Question】Catalytic Coking Reformate Blending Version 20170818 - HCBBS Forum
  5. What are the steps for starting and stopping a reciprocating compressor? - HCBBS Forum
  6. Practice questions on September 3, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies - HCBBS Forum
  7. True or False questions on December 13, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for replying) - HCBBS Forum
  8. 【Q&A】Catalytic Coking Reformate Blending Edition 20171015 - HCBBS Forum
  9. Fill-in-the-blank questions on October 23, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for your replies) - HCBBS Forum
  10. Issues with catalyst startup conversion agents - HCBBS Forum
  11. 【Daily Question】Catalytic Coking Reformate Blending Version 20180201 - HCBBS Forum
  12. 【Daily Question No. 053】February 22, 2018 - HCBBS Forum
  13. What are the requirements for particulate matter (dust) in flue gas for SCR flue gas denitration? - HCBBS Forum
  14. [Q&A] Catalytic Coking Reformate Blending Edition 20171009 - HCBBS Forum
  15. Regarding the classification of underground pipes in petrochemical plants, what are the principles regarding the construction sequence of underground pipes, pile foundations, and foundations? Generally, people use z... - HCBBS Forum
  16. 【Daily Question No. 054】February 23, 2018 - HCBBS Forum
  17. Catalyzed water flushing - HCBBS Forum
  18. Yield of reformed liquefied gas - HCBBS Forum
  19. Where are the initial top injection, regular top injection, and injection of neutralizing and corrosion-inhibiting agents located on the vapor line? - HCBBS Forum
  20. Requirements for the C5 content in the raw materials for the liquid-liquid extraction process - HCBBS Forum
  21. I would like to ask everyone: When using gasoline as a water-soluble acid or base, without adding an indicator, the aqueous phase turns red. What is the reason for this? - HCBBS Forum
  22. 【Daily Question】Catalytic Coking Reformate Blending Version 20170831 - HCBBS Forum
  23. 【Daily Question No. 008】 November 22, 2017 - HCBBS Forum
  24. What improvements are there in the aromatic extraction and distillation process package of the Petrochemical Science Research Institute? - HCBBS Forum
  25. Properties of flexible coking products - HCBBS Forum
  26. Issues related to cyclone separators - HCBBS Forum
  27. 【Daily Question】Catalytic Coking Reformate Blending Version 20170929 - HCBBS Forum
  28. C7 C9 aromatic hydrocarbon disproportionation reaction - HCBBS Forum
  29. 【Daily Question No. 043】December 27, 2017 - HCBBS Forum
  30. 【Q&A】Catalytic Coking Reformate Blending Edition 20171002 - HCBBS Forum
  31. 【Daily Question No. 010】 November 24, 2017 - HCBBS Forum
  32. 【Daily Question】Catalytic Coking Reformate Blending Version 20180101 - HCBBS Forum
  33. Challenges in the initial commissioning of a new catalytic cracking unit - HCBBS Forum
  34. Pre-treatment before catalytic reforming - HCBBS Forum
  35. 【Daily Question No. 003】January 3, 2018 - HCBBS Forum
  36. Storage period for catalyzed gasoline - HCBBS Forum
  37. Can the main air stream not be vented during catalyst startup? - HCBBS Forum
  38. 【Daily Question】Catalytic Coking Reformate Blending Version (True/False Questions) 20171023 - HCBBS Forum
  39. [Q&A] Catalytic Coking Reformate Blending Version 20170911 - HCBBS Forum
  40. 【Daily Question】Catalytic Coking Reformate Blending Version 20180222 - HCBBS Forum
  41. Multiple-choice question on September 24, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for your replies) - HCBBS Forum
  42. 【Daily Question No. 013】 November 27, 2017 - HCBBS Forum
  43. 【Daily Question No. 047】December 31, 2017 - HCBBS Forum
  44. [Q&A] Catalytic Coking Reformate Blending Version 20180107 - HCBBS Forum
  45. My career has hit a bottleneck - HCBBS Forum
  46. Catalyst shutdown and removal - HCBBS Forum
  47. 【Daily Question】Catalytic Coking Reformate Blending Version (True/False Questions) 20171026 - HCBBS Forum
  48. 【Daily Question】Catalytic Coking Reformate Blending Version 20180105 - HCBBS Forum
  49. The line of the high-voltage desulfurization device in the gas holder is blocked - HCBBS Forum
  50. Asphalt plant testing - HCBBS Forum
  51. 【Daily Question】Catalytic Coking Reformate Blending Version 20171003 - HCBBS Forum
  52. 【Daily Question】Catalytic Coking Reformate Blending Version 20171229 - HCBBS Forum
  53. Issue with the outlet valve opening degree when using a variable frequency pump - HCBBS Forum
  54. Dual-system construction - HCBBS Forum
  55. What are the types of catalytic cracking catalysts? - HCBBS Forum
  56. 【Daily Question No. 016】November 30, 2017 - HCBBS Forum
  57. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171024 - HCBBS Forum
  58. Key control points for electrodialysis desalination - HCBBS Forum
  59. 【Daily Question】Catalytic Coking Reformate Blending Version 20180115 - HCBBS Forum
  60. What is the effect of lengthening the pre-raising section in catalytic cracking (coaxial) units? Thank you! - HCBBS Forum
  61. Catalytic fractional distillation corrosion inhibitor - HCBBS Forum
  62. 【Daily Question】Catalytic Coking Reformate Blending Version 20171230 - HCBBS Forum
  63. [Q&A] Catalytic Coking Reformate Blending Edition 20170818 - HCBBS Forum
  64. Types of workshop exams - HCBBS Forum
  65. Why is N2 the main component in the medium of the regenerative cycle gas compressor during reorganization? - HCBBS Forum
  66. 【Daily Question】Catalytic Coking Reformate Blending Version 20171006 - HCBBS Forum
  67. The basis for refined oil crude oil/finished products - HCBBS Forum
  68. Coking issue in the pre-hydrogenation feed heat exchanger? - HCBBS Forum
  69. 【Daily Question】Catalytic Coking Reformate Blending Version 20180117 - HCBBS Forum
  70. [Q&A] Catalytic Coking Reformate Blending Edition 20171001 - HCBBS Forum
  71. Practice questions on August 25, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies - HCBBS Forum
  72. 【Daily Question】Catalytic Coking Reformate Blending Version (True/False Questions) 20171107 - HCBBS Forum
  73. 【Daily Question】Catalytic Coking Reformate Blending Version 20171012 - HCBBS Forum
  74. What is the price for calculating energy consumption in refineries? - HCBBS Forum
  75. Analysis of the future trends in China’s ethylene industry (including information on projects to come online by 2020 and the proportion of various companies)! - HCBBS Forum
  76. How should the direct and reverse actions of the controller and control valve be selected in the control loop? - HCBBS Forum
  77. Operating conditions for the installation of the UOP adsorption separation rotary valve ACCS operating system - HCBBS Forum
  78. 【Daily Question】Catalytic Coking Reformate Blending Version 20180220 - HCBBS Forum
  79. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171105 - HCBBS Forum
  80. Catalytic start-up of the boiler - HCBBS Forum
  81. 【Daily Question No. 055】February 24, 2018 - HCBBS Forum
  82. How can the exhaust gas from the top of acidic water tanks be treated in a cost-effective manner while ensuring compliance with emission standards? - HCBBS Forum
  83. What are the main operational factors affecting reformation pre-hydrogenation? - HCBBS Forum
  84. 【Daily Question】Catalytic Coking Reformate Blending Version 20180111 - HCBBS Forum
  85. [Q&A] Catalytic Coking Reformate Blending Edition 20171029 - HCBBS Forum
  86. An explosion occurred in an industrial zone in Dongguan! - HCBBS Forum
  87. How to reduce the severe problem of liquid carryover in the inter-stage liquid separation tanks of coking compressors - HCBBS Forum
  88. [Q&A] Catalytic Coking Reformate Blending Edition 20171019 - HCBBS Forum
  89. Function of the catalyst collector (below the reactor) - HCBBS Forum
  90. Comparison between flexible coking and delayed coking - HCBBS Forum
  91. Catalytic flue gas water seal tank intermediate tear hole structure? How does it work? When is it used? - HCBBS Forum
  92. Is the position in the atmospheric and vacuum distillation unit considered a hazardous job, allowing for early retirement by five years? Waiting online, urgent need - HCBBS Forum
  93. During the shutdown for maintenance of catalytic cracking units, how should the alkaline wastewater and amine-containing wastewater generated from product purification be treated? And what is their destination? Everyone is welcome to share their opinions on the practices in their own factories. - HCBBS Forum
  94. 【Daily Question】Catalytic Coking Reformate Blending Version 20180208 - HCBBS Forum
  95. Copper poisoning in catalytic cracking catalysts - HCBBS Forum
  96. Multiple-choice Questions – Dry Gas Recovery, Sewage Stripping Version: One Question per Day 12.1 - HCBBS Forum
  97. [Q&A] Catalytic Coking Reformate Blending Version 20170901 - HCBBS Forum
  98. [Q&A] Catalytic Coking Reformate Blending Version 20170923 - HCBBS Forum
  99. Multiple-choice question – Dry gas recovery and wastewater stripping version: One question per day, 12.8 - HCBBS Forum
  100. Does anyone have an internal structure diagram of the heavy oil lift pipe? - HCBBS Forum
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