English — Forum #647 (Page 22/34)

1. Is the elemental sulfur produced by the PDS method for desulfurization generated in the desulfurization tower or in the regeneration tank? - HCBBS Forum
2. Coking absorption tower flooding - HCBBS Forum
3. For the design of a reactive distillation column, after performing Aspen simulations, how should the column height and diameter be determined? - HCBBS Forum
4. Stabilizer tower control - HCBBS Forum
5. When should a primary distillation tower be installed in a atmospheric and vacuum distillation unit? ? - HCBBS Forum
6. Regarding fanless scrubbers - HCBBS Forum
7. During the trial operation of the stripping and regeneration units alone or in combined mode, what is the procedure for testing the top reflux pump? - HCBBS Forum
8. 『Original by Haichuan Translation Group】Filtration rate of cooling tower side line - HCBBS Forum
9. May I ask, where are the baffle plates on the tray placed? - HCBBS Forum
10. Petrochemical plant coke towers suffer from sugar-coated date-like creep deformation over time; it’s not clear why this occurs starting from the lower part, moving from bottom to... - HCBBS Forum
11. One case per week (accident handling training) air cooling belt failure at the top of the tower - HCBBS Forum
12. Plate distillation tower - HCBBS Forum
13. How to remove the hook from the lifting lugs after the tower equipment has been lifted? - HCBBS Forum
14. 【Technical Help】Service life of absorption tower - HCBBS Forum
15. Reasons for the flattening of high-tower compound fertilizer pellets - HCBBS Forum
16. Review of tower crane accidents: 14 incidents in 29 days, 9 deaths and 11 injuries - HCBBS Forum
17. Conditions related to transporting over 1,300 tons of equipment (towers) - HCBBS Forum
18. Stabilizer tower - HCBBS Forum
19. Design of the alkali addition unit for the alkali scrubber tower - HCBBS Forum
20. Hydrogen chloride exhaust gas absorption tower (packed tower) - HCBBS Forum
21. How to determine the ammonia injection amount at the top of the atmospheric distillation column for condensate oil? - HCBBS Forum
22. The components at the bottom of the distillation tower are essentially the same, and the temperature difference between the bottom of the tower and the middle part of the tower is about 10 degrees - HCBBS Forum
23. For acidic organic waste gas, after adsorption using an adsorption tower, desorption is required using steam at around 120°C – what material would be suitable for this purpose? - HCBBS Forum
24. I am performing design calculations for the absorption tower in a low-temperature methanol washing process, and I have encountered some problems; I need help! ! - HCBBS Forum
25. Chloromethane distillation tower - HCBBS Forum
26. Propane removal column in the gas phase - HCBBS Forum
27. The problem of full reflux of liquefied gas in the pre-hydrodesulfurization tower of continuous reforming - HCBBS Forum
28. What causes the acidic water at the top of an atmospheric pressure tower to turn black? - HCBBS Forum
29. Evaporative hot water tower Low-pressure flashing - HCBBS Forum
30. 【Haixin Chemical Cup ★ Haichuan Chemical: Spring Has Arrived】213 Shanghai People’s Heroes Monument - HCBBS Forum
31. The entire process of tower lifting - HCBBS Forum
32. How to provide nitrogen protection for a distillation tower - HCBBS Forum
33. The oxygen recycle ratio is a bit high - HCBBS Forum
34. Question regarding whether to shut down one of the circulators when reducing the capacity of the ammonia synthesis tower - HCBBS Forum
35. Temperature distribution problem in catalytic fractionation towers - HCBBS Forum
36. Regarding the selection of the negative pressure extraction location for the negative pressure tower? - HCBBS Forum
37. Reflux heat extraction ratio in the middle section of the diesel hydrogenation distillation column - HCBBS Forum
38. Excessive carbon dioxide levels in the alkali scrubber tower - HCBBS Forum
39. Blockage at the bottom of the wastewater stripping tower - HCBBS Forum
40. Absorption tower SO3 absorption rate testing - HCBBS Forum
41. Methanol distillation tower - HCBBS Forum
42. Regarding the distillation column issue, what about sending the feed with a higher concentration directly to the reboiler at the bottom of the column? - HCBBS Forum
43. What factors determine the height-to-diameter ratio of an adsorption tower? ? ? What parameter determines the gas aspect ratio? ? - HCBBS Forum
44. Operation analysis of the initial distillation tower - HCBBS Forum
45. What causes the liquid level in the regeneration tower to drop suddenly from time to time? - HCBBS Forum
46. Color of the oil extracted from the side stream at the lowest part of the vacuum distillation tower - HCBBS Forum
47. 【New Energy Applications】The Crescent Dunes Power Plant, the world’s largest molten salt tower power plant, has been shut down temporarily due to a leakage of molten salt from its storage tanks - HCBBS Forum
48. MDEA solution regeneration tower - HCBBS Forum
49. Do hydrogen cooling towers need safety valves? - HCBBS Forum
50. Performance calculation of packed towers - HCBBS Forum
51. 94- Tape-type feather leaf separator used as a demisting separator in the waste gas scrubber tower for the acetic anhydride project - HCBBS Forum
52. Reasons for surge in the vacuum pump of the vacuum distillation tower - HCBBS Forum
53. Discussion on heating control of column reboiler - HCBBS Forum
54. Does the vacuum need to be broken when shutting down the vacuum distillation tower? So why? - HCBBS Forum
55. The pressure difference at the Bai Tu Tower is increasing - HCBBS Forum
56. Method for monitoring uneven settlement of foundations during hydrostatic testing of tower-type equipment - HCBBS Forum
57. Tower bottom exit design - HCBBS Forum
58. Can a packed tower be used in the catalytic cracking fractionator to increase the inlet pressure of the compressor? - HCBBS Forum
59. How are the freezing point and flash point controlled using a distillation tower? I don’t understand the principle - HCBBS Forum
60. Water cooling tower overflow issue - HCBBS Forum
61. Are wire meshes required for the manholes at the tower skirt? Is there any regulation regarding this? - HCBBS Forum
62. Relationship between weir length and tower diameter under four-overflow conditions - HCBBS Forum
63. Issues regarding the selection of distillation columns for propylene-water mixtures - HCBBS Forum
64. An error occurred due to the low setting of the light component recovery rate at the tower top - HCBBS Forum
65. Is the expert here? Could you explain the function of the regenerator bottom cooling coil? - HCBBS Forum
66. Weiwei Pagoda Water Curtain Cave - HCBBS Forum
67. 【Daily Question】Chemical Engineering Principles 545: Tray Loading Performance Diagram (April 5) - HCBBS Forum
68. Oil in the amine scrubber tower of the gasoline hydrogenation unit - HCBBS Forum
69. PSA10 to Tower 9 (manual tower switching) - HCBBS Forum
70. The heating furnace is arranged near the vacuum tower and reactor - HCBBS Forum
71. Two distillation towers share one vacuum pump – is the pressure regulation unstable? - HCBBS Forum
72. Difference between the minimum rising gas volume at the bottom of the distillation column and the rising gas volume in the stripping section in the 2016 case - HCBBS Forum
73. “Daily Share 4.23”: Why is the slurry sent back to the tower in two stages, upper and lower? - HCBBS Forum
74. Distillation column operation - HCBBS Forum
75. Semi-dry rotary spray desulfurization tower volute air duct - HCBBS Forum
76. Why is the condensate pressure in the stripper reboiler low? - HCBBS Forum
77. Question from the 2016 professional exam regarding calculating the minimum amount of steam required for upward flow in a tower reactor - HCBBS Forum
78. What software can be used to analyze the integration of smoke towers? - HCBBS Forum
79. Causes of pressure fluctuations in the catalytic stabilizer - HCBBS Forum
80. AC for mist removal cooling towers - HCBBS Forum
81. Issues related to the design pressure of the tower - HCBBS Forum
82. Is it necessary to optimize the reflux ratio for full reflux in a stripping tower? - HCBBS Forum
83. What is the impact of a leak in the inlet gas heat exchanger of the methanol synthesis tower on the methanol synthesis system? - HCBBS Forum
84. What causes the reverse temperature in the pre-tower? - HCBBS Forum
85. Plate tower, dear teachers, please help answer this - HCBBS Forum
86. What should the bottom temperature of the liquid nitrogen wash tower be controlled at? - HCBBS Forum
87. Water in the feed to the absorption tower - HCBBS Forum
88. Advantages of using a composite tower for the stabilizer in crude benzene hydrogenation - HCBBS Forum
89. Looking for recommendations for tower equipment suitable for high-vacuum and highly corrosive environments - HCBBS Forum
90. How to perform nitrogen protection for a distillation tower - HCBBS Forum
91. I’m designing a distillation tower; I’m not sure if the height I’ve calculated is accurate. Could everyone help provide some feedback? - HCBBS Forum
92. What consequences can excessive desorption in the desorption tower have for the posterior and anterior pathways? - HCBBS Forum
93. ASPEN simulated desorption tower - HCBBS Forum
94. Treatment of wastewater generated again in the resin tower - HCBBS Forum
95. Question: Setting of the inverted U-shaped bend for liquid phase extraction on the distillation column measurement line - HCBBS Forum
96. 【Haixin Chemical Cup ★ Haichuan Chemical: Spring Has Arrived】019 Early Spring in the Northern Regions – Cold Weather, Blue Pools, and Iron Towers - HCBBS Forum
97. Positive-flow expansion single-tower nitrogen production process - HCBBS Forum
98. Anhydrous ammonia absorption tower - HCBBS Forum
99. Cooling control valve of the synthesis tower - HCBBS Forum
100. Head of the cooling tower bottom circulation pump - HCBBS Forum