English — Forum #13 (Page 5/75)

1. 【Daily Question No. 254】November 1, 2020 - HCBBS Forum
2. When the valve is opened, several turns should remain on the screw rod – why can’t the valve rod be pulled out completely? - HCBBS Forum
3. Can mobile phones cause explosions in chemical plants? - HCBBS Forum
4. 【Daily Question】Catalytic Coking Reformate Blending Version 20170502 - HCBBS Forum
5. Let’s discuss this: In an absorption stabilization system, does the reagent used in the reabsorption tower, after being used up, not return to the distillation tower but instead be sent out directly? - HCBBS Forum
6. The function of the conical internal mesh in UOP continuous reforming regenerators - HCBBS Forum
7. Network calculation of atmospheric and vacuum distillation heat exchange processes - HCBBS Forum
8. How is the propylene content in liquefied gas controlled? - HCBBS Forum
9. Treatment of desulfurization off-gases from liquefied gas refining - HCBBS Forum
10. Operation of plate heat exchangers - HCBBS Forum
11. 【Daily Question No. 12】January 12, 2019 - HCBBS Forum
12. 【Daily Question】Catalytic Coking Reformate Blending Version 20180526 - HCBBS Forum
13. FCC pre-rising section temperature - HCBBS Forum
14. How to change the dry point of the reformation feed oil? - HCBBS Forum
15. After the slurry pump was switched, the dust concentration at the flue gas fan inlet increased - HCBBS Forum
16. What is the purpose of steam and condensate in the jacket before the gas enters the auxiliary combustion chamber? - HCBBS Forum
17. Do nitrogen oxides increase after catalytic flue gas desulfurization? - HCBBS Forum
18. Solution for the sulfur injection amount in reformation - HCBBS Forum
19. Catalytic Coking Reformate Blending Version 20190426 - HCBBS Forum
20. 【Daily Question No. 37】February 6, 2021 - HCBBS Forum
21. The pressure drop in the distillation tower is 0.02 Mpa; come and take a look - HCBBS Forum
22. Catalytic endothermal heat extraction comes in two forms: heat extraction within the regenerator and heat extraction from the outside - HCBBS Forum
23. Control of the water content in the reforming cycle hydrogen - HCBBS Forum
24. Sinopec has been granted an invention patent for “A processing method and processing system for the fluidized cracking of waste plastics” - HCBBS Forum
25. Zhejiang Petrochemical’s 3.8 million tons of wax oil hydrocracking catalyst - HCBBS Forum
26. How does a silencer work and what is its function? - HCBBS Forum
27. Catalytic cracking slide valve - HCBBS Forum
28. The catalytic slurry has a high solid content and low ash content; the reason is - HCBBS Forum
29. 35. What is the effect of changes in the inlet temperature of the compressor on the compressor? - HCBBS Forum
30. The catalytic liquefied gas has a high content of sulfides - HCBBS Forum
31. [Q&A] Catalytic Coking Reformate Blending Edition 20170818 - HCBBS Forum
32. Specific power---Energy efficiency rating--Energy efficiency label - HCBBS Forum
33. Secure operation of the catalytic main fan - HCBBS Forum
34. 【Daily Question】Catalytic Coking Reformate Blending Version 20170503 - HCBBS Forum
35. Does the waste heat from the regenerated flue gas from the catalytic cracking unit to the post-processing exhaust still have value? - HCBBS Forum
36. 96. What is the function of the main fan outlet vent valve? What are the requirements for it? - HCBBS Forum
37. 【Daily Question No. 167】June 16, 2018 - HCBBS Forum
38. oil slurry - HCBBS Forum
39. [Q&A] Catalytic Coking Reformate Blending Edition 20171029 - HCBBS Forum
40. 【Daily Question No. 149】May 29, 2019 - HCBBS Forum
41. Precautions for processing/blending high-sulfur, high-acid, high-chlorine crude oils, blending plans - HCBBS Forum
42. The basis for refined oil crude oil/finished products - HCBBS Forum
43. 【Daily Question No. 225】August 9, 2020 - HCBBS Forum
44. Is the sewage system in your facility functioning properly during rainy days? - HCBBS Forum
45. 76. What is the function of the smoker preheating bypass? - HCBBS Forum
46. 【Daily Question No. 317】November 14, 2018 - HCBBS Forum
47. Practice questions on June 29, 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
48. Butadiene coking problem - HCBBS Forum
49. I would like to ask if there are any standards regarding the flow direction of the media in the shell and tube sides of a heat exchanger? Which pipe processes apply? Which are applicable to the shell side? - HCBBS Forum
50. Catalytic Coking Reformate Blending Version 20191201 - HCBBS Forum
51. 【Daily Question No. 326】November 23, 2019 - HCBBS Forum
52. 【Daily Question No. 223】August 7, 2020 - HCBBS Forum
53. 【Daily Question】Catalytic Coking Reformate Blending Version 20180709 - HCBBS Forum
54. 【Daily Question No. 44】February 13, 2020 - HCBBS Forum
55. Catalytic Coking Reformate Blending Version 20181007 - HCBBS Forum
56. Which company is using the roof machines and bottom cover machines for delayed coking these days? - HCBBS Forum
57. 【Daily Question No. 004】January 4, 2018 - HCBBS Forum
58. Power-off electrodialysis for oil removal in atmospheric and vacuum distillation units - HCBBS Forum
59. How to address high iron ion levels in acidic water from atmospheric and vacuum distillation? - HCBBS Forum
60. 【Daily Question】Catalytic Coking Reformate Blending Version 20170530 - HCBBS Forum
61. Purchase lubricant testing equipment - HCBBS Forum
62. 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
63. 【Daily Question】Catalytic Coking Reformate Blending Version 20180506 - HCBBS Forum
64. 52. Please briefly describe the steps for the normal shutdown of the main fan unit. - HCBBS Forum
65. How to purchase qualified and suitable thermocouples - HCBBS Forum
66. Catalytic Coking Reformate Blending Version 20200221 - HCBBS Forum
67. 110. What is the maximum allowable temperature at the inlet of the flue gas system? What to do if it overheats? - HCBBS Forum
68. Multiple-choice Questions – Dry Gas Recovery, Sewage Stripping Version: One Question per Day 12.1 - HCBBS Forum
69. Practice questions on June 15, 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
70. 【Daily Question No. 98】April 8, 2019 - HCBBS Forum
71. 【Daily Question No. 357】December 24, 2019 - HCBBS Forum
72. What are some good methods for dehydrating tar tanks? - HCBBS Forum
73. Is there any hot water waste heat power generation in refineries? - HCBBS Forum
74. Amount of antifreeze added during winter production of -10 diesel - HCBBS Forum
75. 【Daily Question】Catalytic Coking Reformate Blending Version 20170417 - HCBBS Forum
76. I want to know how to control the nitrogen content in coking feed oil - HCBBS Forum
77. Catalytic reforming IFP - HCBBS Forum
78. [Q&A] Catalytic Coking Reformate Blending Edition 20171027 - HCBBS Forum
79. Copper poisoning in catalytic cracking catalysts - HCBBS Forum
80. Catalytic cracking unit and S Zorb unit - HCBBS Forum
81. Evaluation methods for catalytic cracking slurry scale inhibitors - HCBBS Forum
82. Why does the water seal tank use multiple sets of small water seals? Seeking advice - HCBBS Forum
83. Practice questions on May 5, 2017; replies will earn 2–6 points (no scoring after the answers are shown, thank you for your replies) - HCBBS Forum
84. 【Daily Question No. 104】April 14, 2019 - HCBBS Forum
85. What to do with C5? - HCBBS Forum
86. What is the price for calculating energy consumption in refineries? - HCBBS Forum
87. Restart of the reprocessing facility - HCBBS Forum
88. Heating furnace outlet temperature control operation - HCBBS Forum
89. 【Daily Question No. 281】October 9, 2019 - HCBBS Forum
90. Catalytic Coking Reformate Blending Version 20200124 - HCBBS Forum
91. Start-up problems of the main blower in a fluid catalytic cracking unit - HCBBS Forum
92. Main fan static blade adjustment - HCBBS Forum
93. The solvent used in distillation methods for determining the water content in crude oil – is there a significant difference between solvent oil and 92# gasoline? Why is there this difference? - HCBBS Forum
94. 400-ton per day modular plant for processing Arab crude oil - HCBBS Forum
95. Regulating valve opening and precision - HCBBS Forum
96. Catalytic Coking Reformate Blending Version 20190502 - HCBBS Forum
97. 【Daily Question No. 206】July 25, 2019 - HCBBS Forum
98. Negative electrode paste production - HCBBS Forum
99. How to calculate mass using a gas volumetric flow meter? - HCBBS Forum
100. Let’s discuss this with the leak-fixing experts - HCBBS Forum