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  1. 【Daily Question No. 241】August 25, 2020 - HCBBS Forum
  2. Reasons for the discoloration of cyclopentadiene - HCBBS Forum
  3. How is the activator/donor ratio calculated in polypropylene production? - HCBBS Forum
  4. Issues with the cleaning of the benzene storage area - HCBBS Forum
  5. The overall design for CNPC Guangxi Petrochemical’s integrated refining and chemical processing transformation project has been completed! - HCBBS Forum
  6. Which domestic design institute can provide a sulfolane process package? - HCBBS Forum
  7. Professional materials that top-tier design institutes do not disclose to the outside! Quickly save it - HCBBS Forum
  8. 【Daily Question No. 266】November 13, 2020 - HCBBS Forum
  9. The commissioning of the Yulin Refinery’s atmospheric pressure unit renovation project was a success! - HCBBS Forum
  10. Cangzhou, Hebei plans to invest 1.9 billion yuan in a 300,000-ton/year α-olefins project - HCBBS Forum
  11. How to handle the acetylenic hydrocarbons produced as a by-product of ethylene cracking and fed into MTBE/butene-1 - HCBBS Forum
  12. Separation of n-butane from liquefied petroleum gas (gas separation unit) - HCBBS Forum
  13. Thoughts on boiling range - HCBBS Forum
  14. Sinopec’s first solar-driven hydrogen production test unit is now in operation! - HCBBS Forum
  15. 【Daily Question No. 24】January 24, 2021 - HCBBS Forum
  16. 【Daily Question No. 308】December 25, 2020 - HCBBS Forum
  17. 【Daily Question No. 57】February 26, 2021 - HCBBS Forum
  18. Let’s get started! Sinopec’s 23 billion yuan coal-to-olefins project is being transformed into a PGA new materials project - HCBBS Forum
  19. Are there detailed operating procedures for handling the situation when a pump suddenly stops working (for ordinary centrifugal pumps, not large-scale units)? - HCBBS Forum
  20. Division of responsibilities for oil blending - HCBBS Forum
  21. Total investment exceeds 400 million yuan! Wanhua Chemical’s 300,000-ton MDI project has commenced! - HCBBS Forum
  22. 【Daily Question No. 189】July 4, 2020 - HCBBS Forum
  23. Zhongke Refining & Chemicals has become the first enterprise in Zhanjiang, Guangdong, with an annual output value of over 100 billion yuan! - HCBBS Forum
  24. Domestic production of polypropylene vertical hydrogen presses achieved! Hainan Refining & Chemical’s million-ton ethylene project is set to go into operation soon - HCBBS Forum
  25. 【Daily Question No. 292】December 9, 2020 - HCBBS Forum
  26. 【Daily Question No. 68】March 8, 2020 - HCBBS Forum
  27. Propane dehydrogenation reactor - HCBBS Forum
  28. Source of reformed cyclopentane - HCBBS Forum
  29. Furfural system furfural contamination issue - HCBBS Forum
  30. Design and Application of Type 159-G54 High-Temperature Special-shaped Gas-Solid Cyclone Separator in the Methanation Gas Flow Fluidization Process Unit - HCBBS Forum
  31. Donghua Energy may relocate its headquarters to Maoming, Guangdong! - HCBBS Forum
  32. FEED design work for Russia’s Baltic Chemical Complex project has commenced - HCBBS Forum
  33. For existing control rooms that do not meet the explosion protection standards of GB50779, is demolition and reconstruction the only option? - HCBBS Forum
  34. 【Daily Question No. 258】November 5, 2020 - HCBBS Forum
  35. 【Daily Question No. 134】May 13, 2020 - HCBBS Forum
  36. 【Daily Question No. 106】April 15, 2020 - HCBBS Forum
  37. Experimental measurement of silver ion activity - HCBBS Forum
  38. Can iron tools be used in acidic water stripping units? - HCBBS Forum
  39. Discussing pressure representation in engineering design – [Video] Chemical Engineering Weekly Talk, Episode 45 - HCBBS Forum
  40. 【Daily Question No. 280】November 27, 2020 - HCBBS Forum
  41. 【Daily Question No. 61】March 2, 2021 - HCBBS Forum
  42. 【Daily Question No. 314】December 31, 2020 - HCBBS Forum
  43. Major progress! The polypropylene degassing tank at Guangdong Petrochemical was successfully installed in one lift - HCBBS Forum
  44. Analysis of the low-carbon development path for China’s refining industry - HCBBS Forum
  45. Countdown! Commissioning of Zhenhai Refining & Chemical’s 1.2 million tons/year ethylene project set for December 30 - HCBBS Forum
  46. The pilot plant for polyolefin elastomers at Maoming Petrochemical has been successfully commissioned for the first time! - HCBBS Forum
  47. Double control in the major chemical province! Raw material prices soar! Supply is in short supply! - HCBBS Forum
  48. 【Daily Question No. 301】December 18, 2020 - HCBBS Forum
  49. Sinopec’s HPPO process for producing propylene oxide sees its first external technology licensing - HCBBS Forum
  50. 【Daily Question No. 49】February 18, 2021 - HCBBS Forum
  51. Are you aware of the PDS automatic discharge system used in polypropylene production? - HCBBS Forum
  52. Does a dirty gasoline filter need to undergo a gas-tightness test? - HCBBS Forum
  53. 【Daily Question No. 59】February 28, 2021 - HCBBS Forum
  54. 29 billion! The second-phase ethylene project of Dushanzi Petrochemical in Tarim has begun construction! - HCBBS Forum
  55. 【Daily Question No. 55】February 24, 2021 - HCBBS Forum
  56. Alumina filler balls - HCBBS Forum
  57. Pressure-bearing issue of coalescer - HCBBS Forum
  58. Olefin waste alkali solution - HCBBS Forum
  59. DuPont and Woniushan Fuda sign a strategic cooperation agreement - HCBBS Forum
  60. Sinopec and KazMunayGas sign agreement on key terms for polyethylene project! - HCBBS Forum
  61. 【Daily Question No. 277】November 24, 2020 - HCBBS Forum
  62. 【Daily Question No. 138】May 17, 2020 - HCBBS Forum
  63. Bulk density of steel rods in rod mills - HCBBS Forum
  64. Domestic and international manufacturers of heat pump compressors - HCBBS Forum
  65. News Brief - HCBBS Forum
  66. Total sulfur in propylene in the gas phase - HCBBS Forum
  67. All seven major refining and chemical complexes are taking action at present – what is the outlook for polyethylene? - HCBBS Forum
  68. Global supply of propylene and polypropylene is in excess! - HCBBS Forum
  69. Liaoyang Petrochemical’s 300,000-ton high-performance polypropylene plant was completed and put into operation - HCBBS Forum
  70. I beg! Sinopec’s latest \"Sinopec Equipment Management Regulations\" - HCBBS Forum
  71. 【Daily Question No. 25】January 25, 2021 - HCBBS Forum
  72. The output value of the petrochemical industry is expected to reach 140 billion by 2025! Yangpu is building a green ecological petrochemical industry base! - HCBBS Forum
  73. The Battle of August 30: Mobilization Meeting for the Labor Competition on Producing 1.4 Million Tons of Ethylene at Zhejiang Petrochemical’s Phase II Facility - HCBBS Forum
  74. How does the vacuum system separate viscous substances and bring them into the vacuum unit? - HCBBS Forum
  75. Summary of large ethylene projects planned and under construction in our country! - HCBBS Forum
  76. I would like to ask experts in ethylene plants for a method to analyze the content of aldehydes in pyrolysis gas. Thank you - HCBBS Forum
  77. 【Daily Question No. 121】April 30, 2020 - HCBBS Forum
  78. Ingesting black sludge and expelling clean soil that meets standards – Shandong Production and Research Institute transforms microwave heating technology for treating sludge into intelligent environmental protection equipment - HCBBS Forum
  79. Seek Exova Laboratory contact information - HCBBS Forum
  80. C5 has a yellow color; it becomes colorless and transparent when exposed to light - HCBBS Forum
  81. How to perform cold oil replacement in a heat transfer oil furnace? - HCBBS Forum
  82. For ventilation in the granulation plant of polypropylene facilities, is it necessary to have ventilation ducts leading to the roof? - HCBBS Forum
  83. Centrifugal compressor - HCBBS Forum
  84. Production process of ultra-high molecular weight polyethylene - HCBBS Forum
  85. 【Daily Question No. 194】July 9, 2020 - HCBBS Forum
  86. The Ministry of Industry and Information Technology plans to establish a relatively complete standard system for intelligent manufacturing in the petrochemical industry by 2025! - HCBBS Forum
  87. Some oil products consist mainly of components ranging from C5 to C8, and they are currently acidic; they need to be adjusted to a neutral state - HCBBS Forum
  88. Henan: Billion-yuan industrial clusters ready to take off - HCBBS Forum
  89. Is it worth recovering carbon dioxide from refinery flue gas? - HCBBS Forum
  90. 【Daily Question No. 215】July 30, 2020 - HCBBS Forum
  91. Total investment of 900 million yuan! Silver Jubilee Technology focuses on areas such as additives, degradation technologies, and polymer materials - HCBBS Forum
  92. 【Daily Question No. 126】May 5, 2020 - HCBBS Forum
  93. Level gauge - HCBBS Forum
  94. The first phase of Shida Shenghua’s 440,000-ton new energy project has been completed! - HCBBS Forum
  95. Energy-saving optimization problem of the isobutane removal tower - HCBBS Forum
  96. 【Daily Question No. 188】July 3, 2020 - HCBBS Forum
  97. The effect of butadiene on isomerization among butylene isomers - HCBBS Forum
  98. Zhenhai Refining & Chemical’s new 4 million tons per year hydrocracking unit has been put into operation! - HCBBS Forum
  99. 【Daily Question No. 269】November 16, 2020 - HCBBS Forum
  100. Why are different cold bath temperatures used when determining the boiling ranges of various petroleum products - HCBBS Forum
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