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  1. 【Daily Question No. 96】April 5, 2020 - HCBBS Forum
  2. 【Daily Question No. 14】January 14, 2021 - HCBBS Forum
  3. Ranking of net profits for 28 steel companies in China! - HCBBS Forum
  4. Recent developments in the acrylic acid project - HCBBS Forum
  5. 【Daily Question No. 204】July 19, 2020 - HCBBS Forum
  6. The 750,000 tons per year propane dehydrogenation unit at Dongying Zhenhua Petrochemical has entered the commissioning phase - HCBBS Forum
  7. Polypropylene main catalyst switching method - HCBBS Forum
  8. 【Daily Question No. 80】March 20, 2020 - HCBBS Forum
  9. 【Daily Question No. 289】December 6, 2020 - HCBBS Forum
  10. Chlorinated paraffin-70 flame retardant - HCBBS Forum
  11. 【Daily Question No. 124】May 3, 2020 - HCBBS Forum
  12. 【Daily Question No. 118】April 27, 2020 - HCBBS Forum
  13. How to determine whether a material can be purified by crystallization - HCBBS Forum
  14. Regarding the issue of nitrogen recovery rate - HCBBS Forum
  15. Yangzi Petrochemical plans to build another 1 million tons per year of ethylene production capacity - HCBBS Forum
  16. Construction of units for hydroprocessing of pyrolysis gasoline, aromatic extraction, and butadiene extraction in the Tianjin Nangang ethylene project! - HCBBS Forum
  17. 【Daily Question No. 64】March 5, 2021 - HCBBS Forum
  18. The effect of “heavy metal content” in naphtha on coking in the reactors used for ethylene production via steam cracking - HCBBS Forum
  19. extraction - HCBBS Forum
  20. Total investment of 2.8 billion yuan! Signing of two joint venture projects by Fujian Petrochemical Group on site! - HCBBS Forum
  21. Can an MTBE plant ensure a sulfur content of less than 10 ppm through a degasification tower? - HCBBS Forum
  22. 【Daily Question No. 153】May 29, 2020 - HCBBS Forum
  23. 【Daily Question No. 219】August 3, 2020 - HCBBS Forum
  24. Help: Recovery of dry gas from refineries - HCBBS Forum
  25. Discussions related to expanders – the essence is really good; I’ll save it to read slowly! - HCBBS Forum
  26. Investment of over 14 billion yuan! Dongfang Shenghong plans to build two new projects! - HCBBS Forum
  27. The first phase of Dalian Petrochemical’s project, which involves 10 million tons of oil refining capacity and 1.2 million tons of ethylene production, is expected to start construction in 2021! - HCBBS Forum
  28. Construction begins on the Zhenhai Base project for the production of 1.5 million tons per year of ethylene and the development of high-end new material industries based on it - HCBBS Forum
  29. 【Daily Question No. 239】August 23, 2020 - HCBBS Forum
  30. How is it appropriate to handle refinery sludge? - HCBBS Forum
  31. Acidic water oil content index - HCBBS Forum
  32. Searching for the technical source of the ethylene oxychlorination method - HCBBS Forum
  33. What is supergravity alkylsulfation? How is it used domestically? - HCBBS Forum
  34. 【Daily Question No. 309】December 26, 2020 - HCBBS Forum
  35. 【Daily Question No. 38】February 7, 2021 - HCBBS Forum
  36. 【Daily Question No. 43】February 12, 2021 - HCBBS Forum
  37. furfural - HCBBS Forum
  38. The Republic has lost 27 members of its academies in the course of this year - HCBBS Forum
  39. Hot low-grade oil - HCBBS Forum
  40. Detailed classification of pH meters - HCBBS Forum
  41. Storage temperature of Tank C - HCBBS Forum
  42. The 1 million tons per year ethylene plant of the Hainan Refining and Chemicals ethylene project has been completed to high standards! - HCBBS Forum
  43. 【Daily Question No. 257】November 4, 2020 - HCBBS Forum
  44. 【Daily Question No. 47】February 16, 2021 - HCBBS Forum
  45. Furnace combustion infrared temperature measurement system - HCBBS Forum
  46. If the rotation direction of polypropylene A301 is reversed, will it have a significant impact on the separation efficiency? - HCBBS Forum
  47. 【Daily Question No. 232】August 16, 2020 - HCBBS Forum
  48. Beihai Refining & Chemical’s first photovoltaic project was signed, marking a ‘zero breakthrough’ for Sinopec’s refining & chemical companies in the field of new energy” - HCBBS Forum
  49. 【Daily Question No. 152】May 28, 2020 - HCBBS Forum
  50. Hualu Hengsheng’s series of technical improvement projects to increase the production volume and improve the quality of dimethyl carbonate have been put into operation - HCBBS Forum
  51. 【Daily Question No. 56】February 25, 2021 - HCBBS Forum
  52. Invest 40 billion! Another world-class petrochemical project has been established! A industrial cluster worth hundreds of billions will be formed here! - HCBBS Forum
  53. Caprolactam - HCBBS Forum
  54. The trial production of the Taixing Yida propylene oxide project was a success! - HCBBS Forum
  55. Looking for companies that can handle empty and defunct liquid chlorine cylinders - HCBBS Forum
  56. After longitudinal stretching of the PP film, it is prone to tearing in that direction - HCBBS Forum
  57. Low-pressure scrubber foam oil - HCBBS Forum
  58. 【Ten Years of Rapid Development in Chemical Processing Equipment】From 1532 to 2024: The development of flexible porous framework materials enables efficient separation of ethane and ethylene - HCBBS Forum
  59. First time to exceed 400 billion! The scale and total profits of Ningbo’s petrochemical industry have both reached new highs! - HCBBS Forum
  60. 【Daily Question No. 133】May 12, 2020 - HCBBS Forum
  61. Papers on oil and gas chemical terminals as well as storage and transportation - HCBBS Forum
  62. State Council’s plan for carbon peak: Refining capacity to be no more than 1 billion tons by 2025, with a push toward lighter feedstocks - HCBBS Forum
  63. UOP and LUMMUS propane dehydrogenation - HCBBS Forum
  64. 【Daily Question No. 200】July 15, 2020 - HCBBS Forum
  65. First export of products from Maoming Petrochemical’s olefin production facility - HCBBS Forum
  66. TIG welding uses argon gas. - HCBBS Forum
  67. New progress achieved in Luoyang’s million-ton ethylene project! - HCBBS Forum
  68. Reasons for the low content of conjugated dienes in cracked C5 and countermeasures - HCBBS Forum
  69. Uses and application scope of the low-temperature closed-cup flash point tester - HCBBS Forum
  70. Looking for Emerson AMS system help files - HCBBS Forum
  71. Principle of phosphate analyzer and operational precautions - HCBBS Forum
  72. Announcement on the clean production transformation project for the petrochemical industry! Ten departments issue a document outlining clear requirements - HCBBS Forum
  73. 【Daily Question No. 268】November 15, 2020 - HCBBS Forum
  74. Seeking help with foreign language literature - HCBBS Forum
  75. Drying of HCl by molecular sieve adsorption - HCBBS Forum
  76. Final push for the relocation of the “two integrations”! Driving the transformation and upgrading of Tianjin’s petrochemical industry! - HCBBS Forum
  77. Do any experts know about the methods used to provide protection for the heat exchanger tube bundles on-site? - HCBBS Forum
  78. What are the testing items for gear oil? - HCBBS Forum
  79. 【Daily Question No. 171】June 16, 2020 - HCBBS Forum
  80. Satellite Chemical invests 12.2 billion yuan in the second public announcement for the Lianyungang α-olefins project - HCBBS Forum
  81. 【Daily Question No. 110】April 19, 2020 - HCBBS Forum
  82. Maximum emergency! 20,000 employees at Zhoushan Petrochemical evacuated! Zhejiang Petrochemical has suspended loading! - HCBBS Forum
  83. Looking for high-quality materials on diesel solvents - HCBBS Forum
  84. By 2023, the total refining capacity will reach 40 million tons, with 10 million tons for aromatics (PX) and 10 million tons for ethylene! Dalian petrochemical industry chain... - HCBBS Forum
  85. Bolts resistant to hydrogen sulfide stress corrosion - HCBBS Forum
  86. Two rubber technologies of CNPC are set to be put into industrial use - HCBBS Forum
  87. The soul of the \"second\" development of private refining and chemical industries? - HCBBS Forum
  88. The most easily overlooked aspect in tank truck explosions - HCBBS Forum
  89. CNPC and Sinopec established new companies in Tianjin on the same day! - HCBBS Forum
  90. 1.3 trillion yuan! Liaoning accelerates the development of a world-class petrochemical and fine chemical industry hub - HCBBS Forum
  91. Domestic companies with strong capabilities in generating power using waste heat from petrochemical and coal chemical industries - HCBBS Forum
  92. 【Daily Question No. 205】July 20, 2020 - HCBBS Forum
  93. Latest updates on China National Petroleum’s first refining project achieving near-zero wastewater discharge! - HCBBS Forum
  94. Styrene manufacturers are struggling on the brink of profitability - HCBBS Forum
  95. Renovation of idle equipment - HCBBS Forum
  96. Guangdong Provincial Energy Bureau approves three new projects! Including hydrogen production units, pretreatment of C5 feedstocks for cracking, etc.! - HCBBS Forum
  97. A world-class petrochemical hub is taking shape: Highlighting the “most” remarkable aspects of Guangdong’s petrochemical projects! - HCBBS Forum
  98. Key construction elements and progress timeline of the world-class large-scale ethylene project in Saha Guley! - HCBBS Forum
  99. New technology for Sinopec’s ethylene cracking furnaces has passed evaluation! - HCBBS Forum
  100. 【Daily Question No. 74】March 14, 2020 - HCBBS Forum
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