English — Forum #13 (Page 19/75)

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  1. 【Daily Question】Catalytic Coking Reformate Blending Version 20180412 - HCBBS Forum
  2. 【Daily Question No. 80】March 20, 2020 - HCBBS Forum
  3. Individual straight-run gasoline desulfurization - HCBBS Forum
  4. How to determine when constant-temperature dehydration has started and the moisture has been completely removed? - HCBBS Forum
  5. [Practice Question 2017.01.12] Participating earns 3–8 wealth rewards - HCBBS Forum
  6. 72. Why must the oil temperature be no lower than 25°C at startup, and no lower than 30°C during speed increase?? - HCBBS Forum
  7. Catalytic Coking Reformate Blending Version 20190710 - HCBBS Forum
  8. LPG desulfurization - HCBBS Forum
  9. 【Daily Question No. 137】May 17, 2018 - HCBBS Forum
  10. Relationship between fan speed and current, air volume, and pressure - HCBBS Forum
  11. 【Daily Question No. 280】November 27, 2020 - HCBBS Forum
  12. What to do when the alkali slag line is used up - HCBBS Forum
  13. Issues with internal floating roofs in diesel and gasoline storage tanks - HCBBS Forum
  14. What is the approximate density of the overhead vapors from the atmospheric tower in an atmospheric and vacuum distillation unit? - HCBBS Forum
  15. What are the factors that the catalytic unit affects on the pressure drop from the top of the distillation tower to the compressor inlet? - HCBBS Forum
  16. Catalytic Coking Reformate Blending Version 20181027 - HCBBS Forum
  17. 【Daily Question No. 005】January 5, 2018 - HCBBS Forum
  18. 【Daily Question No. 203】July 18, 2020 - HCBBS Forum
  19. 【Daily Question No. 118】April 27, 2020 - HCBBS Forum
  20. 【Daily Question No. 026】January 26, 2018 - HCBBS Forum
  21. Tianjin Petrochemical applied slurry dewatering technology for the first time to trial-produce carbon black feedstock oil - HCBBS Forum
  22. Catalyst loading team manufacturers - HCBBS Forum
  23. 【Daily Question】Catalytic Coking Reformate Blending Version 20170302 - HCBBS Forum
  24. Causes of measurement errors in vortex flowmeters - HCBBS Forum
  25. Water content issue in MTBE raw material C4 - HCBBS Forum
  26. What does a self-acting valve mean in the lubricating oil system of the rich gas compressor in an FCC unit? - HCBBS Forum
  27. Heat transfer oil furnaces often display alarms that cause the furnace to stop operating on the DCS, and manual reset is required to restart it. What methods can be used to reduce the frequency of these alarms, and which settings need to be adjusted? - HCBBS Forum
  28. Sudden shutdown of the reformer hydrogen generator - HCBBS Forum
  29. 【Daily Question】Catalytic Coking Reformate Blending Version 20180315 - HCBBS Forum
  30. Continuous reforming - HCBBS Forum
  31. Acidic water as a terminator - HCBBS Forum
  32. Basic knowledge of oil refining - HCBBS Forum
  33. Catalytic Coking Reformate Blending Version 20191007 - HCBBS Forum
  34. 【Daily Question】Catalytic Coking Reformate Blending Version 20180317 - HCBBS Forum
  35. 【Daily Question No. 038】February 7, 2018 - HCBBS Forum
  36. Pressure of the torch separator tank - HCBBS Forum
  37. The MTBE desulfurizer always seems to not work well - HCBBS Forum
  38. Practice questions on April 16, 2017; replies will earn 2–6 points (no scoring after the (** symbol is shown), thank you for your replies) - HCBBS Forum
  39. What is the basic principle of a dry gas recovery unit? - HCBBS Forum
  40. Advantages and disadvantages of reprocessed oil slurry in delayed coking units - HCBBS Forum
  41. Discussion on the diesel content in marine fuel oil - HCBBS Forum
  42. 【Daily Question No. 318】November 15, 2019 - HCBBS Forum
  43. What are the factors that affect changes in the bottom liquid level? - HCBBS Forum
  44. Catalytic lining - HCBBS Forum
  45. 【Q&A】Catalytic Coking Reformate Blending Version 20171011 - HCBBS Forum
  46. The turbine inlet pressure is insufficient and the compressor is surging; what should be done? - HCBBS Forum
  47. The sulfur content in the hexane sample is around 2 ppm, and the amount of feed material used for extraction is 11 tons; where should adjustments be made? - HCBBS Forum
  48. 70- Foreign process packages use coalescing screens in the design of oil-water coalescing separators and gas-oil-water three-phase separators - HCBBS Forum
  49. A few questions regarding the gas pressure control valve of the heating furnace~ - HCBBS Forum
  50. Let’s provide some basic information on oil, as well as knowledge about oil-based needle coke - HCBBS Forum
  51. 【Daily Question No. 291】October 19, 2019 - HCBBS Forum
  52. Measures to reduce straight-run kerosene - HCBBS Forum
  53. Questions for the Oil Storage, Transportation, and Blending Skills Competition (Theoretical Section) - HCBBS Forum
  54. 【Daily Question No. 333】November 30, 2018 - HCBBS Forum
  55. Documentation of the leak detection project for the seawater pipeline at Dalian Petrochemical - HCBBS Forum
  56. Catalyst addition for continuous reforming regeneration - HCBBS Forum
  57. Issues encountered during the operation of the intermediate tank area in aromatic compound plants - HCBBS Forum
  58. Principles of cooling and capacity reduction for petrochemical plants - HCBBS Forum
  59. Operating parameters of thermal deaerators - HCBBS Forum
  60. 【Daily Question No. 252】September 9, 2018 - HCBBS Forum
  61. Centrifugal pump outlet pressure - HCBBS Forum
  62. Practice questions on May 22, 2017; replies will earn 2–6 points (** no scoring after it is displayed, thank you for your replies - HCBBS Forum
  63. Chemical process error - HCBBS Forum
  64. Catalytic Coking Reformate Blending Version 20190623 - HCBBS Forum
  65. 【Daily Question】Catalytic Coking Reformate Blending Version 20170812 - HCBBS Forum
  66. What are the conditions that can lead to an explosion in the reverse regeneration system of a catalytic unit, and how can these be avoided through design and operation? - HCBBS Forum
  67. Direction of the main air distribution duct nozzles - HCBBS Forum
  68. Several questions regarding hydrogen compressors - HCBBS Forum
  69. 【Daily Question】Catalytic Coking Reformate Blending Version 20170703 - HCBBS Forum
  70. 【Daily Question No. 181】June 30, 2018 - HCBBS Forum
  71. Catalytic Coking Reformate Blending Version 20190928 - HCBBS Forum
  72. Density fluctuations in catalytic unit regeneration inclined tubes - HCBBS Forum
  73. The LTAG process alters the temperature in front of the nozzle; will this affect the cracking energy of the catalyst? - HCBBS Forum
  74. Does the heat exchanger outlet temperature control the amount at the heat source outlet or at the inlet? - HCBBS Forum
  75. How to better address the issue of afterburning - HCBBS Forum
  76. Impact of changes in reformer parameters on the compressor - HCBBS Forum
  77. What is the principle of a steam drum? - HCBBS Forum
  78. On slurry filtration technology - HCBBS Forum
  79. I need help with a few questions regarding pre-hydrogenation! - HCBBS Forum
  80. Catalyst slide valve motor operation - HCBBS Forum
  81. Analysis of the treatment processes for salts exceeding the specified limits and the emulsion layer after electrodialysis desalination - HCBBS Forum
  82. Is the flash point of the diesel produced by your atmospheric and vacuum distillation units still being controlled? - HCBBS Forum
  83. Production category of 92-grade gasoline? - HCBBS Forum
  84. Catalytic unit liquefied gas refining alkali solution regeneration system disulfides - HCBBS Forum
  85. Sinopec’s metallocene polyethylene catalyst finds application - HCBBS Forum
  86. Issues with cleaning the lines when the device is shut down - HCBBS Forum
  87. How is the production of needle coke going at Shandong Yida New Materials Co., Ltd.? - HCBBS Forum
  88. If there is an oil-water separation tank for reducing the pressure, why is a water seal tank still needed? - HCBBS Forum
  89. Production of oil-based needle coke - HCBBS Forum
  90. What is the most common technology currently used for upgrading gasoline and diesel? - HCBBS Forum
  91. Seeking advice! Is the venturi outlet pressure unaffected by the venturi inlet pressure? - HCBBS Forum
  92. 【Daily Question】Catalytic Coking Reformate Blending Version 20170905 - HCBBS Forum
  93. 【Daily Question No. 307】November 4, 2018 - HCBBS Forum
  94. 【Daily Question No. 096】April 6, 2018 - HCBBS Forum
  95. 【Daily Question No. 114】April 24, 2019 - HCBBS Forum
  96. What should the flash point of diesel used in fishing boats not exceed? - HCBBS Forum
  97. 【Daily Question】Catalytic Coking Reformate Blending Version 20180701 - HCBBS Forum
  98. Seeking catalysts for toluene disproportionation, xylene isomerization, and benzene alkylation! - HCBBS Forum
  99. What factors cause a decline in the purity of recycled hydrogen? - HCBBS Forum
  100. Problems in the production of furfural extraction - HCBBS Forum
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