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  1. 【Daily Question No. 53】February 22, 2020 - HCBBS Forum
  2. 【Daily Question No. 176】June 25, 2019 - HCBBS Forum
  3. Petrochemical Deep Processing Version 2019.03.25 - HCBBS Forum
  4. 【Daily Question No. 26】January 26, 2020 - HCBBS Forum
  5. Petrochemical Deep Processing Version 2019.01.13 - HCBBS Forum
  6. 【Daily Question】Petrochemical Deep Processing Version 2018.05.24 - HCBBS Forum
  7. 【Daily Question】Petrochemical Deep Processing Version 2018.05.15 - HCBBS Forum
  8. 【Daily Question】Petrochemical Deep Processing Version 2018.01.29 - HCBBS Forum
  9. 【Daily Question No. 307】November 4, 2019 - HCBBS Forum
  10. Nitrogen sealing requirements for storage tanks - HCBBS Forum
  11. 【Daily Question No. 226】August 14, 2019 - HCBBS Forum
  12. 【Daily Question No. 2】January 2, 2020 - HCBBS Forum
  13. Domestic hydrogenation refining project for lubricant base oils - HCBBS Forum
  14. Oxidation reactor for maleic anhydride plant using n-butane method - HCBBS Forum
  15. 【Daily Question】Petrochemical Deep Processing Version 2018.03.16 - HCBBS Forum
  16. Petrochemical Deep Processing Version 2019.02.22 - HCBBS Forum
  17. Oil blending steps - HCBBS Forum
  18. 【Daily Question】Petrochemical Deep Processing Version 2018.06.14 - HCBBS Forum
  19. 【Daily Question】Petrochemical Deep Processing Version 2018.03.29 - HCBBS Forum
  20. 【Daily Question No. 167】June 16, 2019 - HCBBS Forum
  21. . Principles and processes of electrical desalination of oil? - HCBBS Forum
  22. 【Daily Question No. 169】June 18, 2019 - HCBBS Forum
  23. Can alkylated gasoline be used directly? - HCBBS Forum
  24. 【Daily Question】Petrochemical Deep Processing Version 2018.04.27 - HCBBS Forum
  25. 【Daily Question】Petrochemical Deep Processing Version 2018.03.09 - HCBBS Forum
  26. Petrochemical Deep Processing Version 2019.03.24 - HCBBS Forum
  27. Hypoxic system for storing materials - HCBBS Forum
  28. 【Daily Question】Petrochemical Deep Processing Version 2018.05.22 - HCBBS Forum
  29. 【Daily Question No. 119】April 29, 2019 - HCBBS Forum
  30. Request the operating procedures for the MTBE plant - HCBBS Forum
  31. 【Daily Question No. 38】February 7, 2020 - HCBBS Forum
  32. On the material selection for heat exchange tubes in waste heat boilers - HCBBS Forum
  33. 【Daily Question No. 200】July 19, 2019 - HCBBS Forum
  34. [Petrochemical Engineering Series] Includes propylene engineering, ethylene engineering, ethylene derivative engineering, and aromatic hydrocarbon engineering - HCBBS Forum
  35. Issues regarding the sulfur section in petrochemical and coal chemical industries! ! ! ! ! Important! - HCBBS Forum
  36. Gentlemen! ! Who has the process flow diagrams for polyethylene and polypropylene plants? Please share them! ! ! ! - HCBBS Forum
  37. Inspection parameters and testing tools for lubricating oils used in power plants - HCBBS Forum
  38. 【Daily Question No. 247】September 4, 2019 - HCBBS Forum
  39. 【Daily Question】Petrochemical Deep Processing Version 2018.02.19 - HCBBS Forum
  40. 【Daily Question No. 149】May 29, 2019 - HCBBS Forum
  41. Petrochemical Deep Processing Version 2018.12.14 - HCBBS Forum
  42. Design of steam heating systems - HCBBS Forum
  43. Petrochemical Deep Processing Version 2019.01.11 - HCBBS Forum
  44. 【Daily Question】Petrochemical Deep Processing Version 2018.03.01 - HCBBS Forum
  45. Petrochemical Deep Processing Version 2018.12.16 - HCBBS Forum
  46. 【Daily Question No. 302】October 30, 2019 - HCBBS Forum
  47. Discussion on chemical industry packing - HCBBS Forum
  48. 【Daily Question】Petrochemical Deep Processing Version 2018.03.03 - HCBBS Forum
  49. Petrochemical Deep Processing Edition 2019.03.26 - HCBBS Forum
  50. Petrochemical Deep Processing Version 2018.08.28 - HCBBS Forum
  51. Petrochemical Deep Processing Version 2018.12.20 - HCBBS Forum
  52. 【Daily Question】Petrochemical Deep Processing Version 2018.05.10 - HCBBS Forum
  53. 【Daily Question】Petrochemical Deep Processing Version 2018.04.23 - HCBBS Forum
  54. What is the approximate cost of producing hexamethylenediamine from adiponitrile? - HCBBS Forum
  55. 【Daily Question No. 117】April 27, 2019 - HCBBS Forum
  56. Epoxy resin technology transfer - HCBBS Forum
  57. 【Daily Question No. 256】September 14, 2019 - HCBBS Forum
  58. 【Daily Question No. 244】September 1, 2019 - HCBBS Forum
  59. Petrochemical Deep Processing Version 2018.10.01 - HCBBS Forum
  60. 【Daily Question No. 343】December 10, 2019 - HCBBS Forum
  61. 【Daily Question No. 162】June 11, 2019 - HCBBS Forum
  62. 【Daily Question No. 238】August 26, 2019 - HCBBS Forum
  63. 【Daily Question No. 271】September 29, 2019 - HCBBS Forum
  64. On the production of nitropropane - HCBBS Forum
  65. Petrochemical Deep Processing Version 2018.10.15 - HCBBS Forum
  66. 【Daily Question No. 173】June 22, 2019 - HCBBS Forum
  67. C2 hydrogenation startup - HCBBS Forum
  68. Reasons for the excessively high pH of the quench water - HCBBS Forum
  69. 【Daily Question No. 248】September 5, 2019 - HCBBS Forum
  70. 【Daily Question No. 221】August 9, 2019 - HCBBS Forum
  71. Discussion on Question 43 on Page 127 of “Ethylene Technology Q&A” - HCBBS Forum
  72. 【Daily Question No. 107】April 17, 2019 - HCBBS Forum
  73. Petrochemical Deep Processing Version 2018.12.12 - HCBBS Forum
  74. 【Daily Question】Petrochemical Deep Processing Version 2018.03.27 - HCBBS Forum
  75. Shaanxi’s polyolefin industry is booming at rapid speed! The development of specialized materials is accelerating - HCBBS Forum
  76. Petrochemical Deep Processing Version 2018.12.04 - HCBBS Forum
  77. 【Daily Question No. 202】July 21, 2019 - HCBBS Forum
  78. 【Daily Question No. 1】January 1, 2020 - HCBBS Forum
  79. 【Daily Question No. 233】August 21, 2019 - HCBBS Forum
  80. The 1.2 million tons per year fine chemicals demonstration project of Inner Mongolia Yitai Chemical Co., Ltd. successfully passed the assessment organized by the Petrochemical Federation - HCBBS Forum
  81. 【Daily Question No. 322】November 19, 2019 - HCBBS Forum
  82. Fluctuation in voltage of the refrigeration compressor in the alkylation unit - HCBBS Forum
  83. 【Daily Question No. 133】May 13, 2019 - HCBBS Forum
  84. Circulating water - HCBBS Forum
  85. 【Daily Question No. 245】September 2, 2019 - HCBBS Forum
  86. First, second, and third rinses in the rotary valve of UOP adsorption separation - HCBBS Forum
  87. Propane issues in the alkylation unit - HCBBS Forum
  88. Help needed - HCBBS Forum
  89. How to calculate the energy consumption limit per unit of refined oil products – energy consumption per unit of energy factor - HCBBS Forum
  90. Cyclohexane production technology and market capacity issues - HCBBS Forum
  91. 【Daily Question No. 36】February 5, 2020 - HCBBS Forum
  92. 【Daily Question No. 205】July 24, 2019 - HCBBS Forum
  93. 【Daily Question No. 220】August 8, 2019 - HCBBS Forum
  94. Petrochemical Deep Processing Version 2019.03.10 - HCBBS Forum
  95. 【Daily Question No. 103】April 13, 2019 - HCBBS Forum
  96. Foreign acetonitrile-based carbon pentane separation technology - HCBBS Forum
  97. 【Daily Question】Petrochemical Deep Processing Version 2018.04.14 - HCBBS Forum
  98. Questions about the device's airtightness test? - HCBBS Forum
  99. 【Daily Question No. 145】May 25, 2019 - HCBBS Forum
  100. Petrochemical Deep Processing Version 2019.02.25 - HCBBS Forum
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