English — Forum #647 (Page 29/34)

1. Investigation into the reasons for high pressure difference in methanol synthesis towers - HCBBS Forum
2. What should be the heat distribution in the middle section of the atmospheric and vacuum distillation column in a light crude oil atmospheric and vacuum distillation unit? - HCBBS Forum
3. Principle and operation of the CO stripping tower in loop polypropylene plants - HCBBS Forum
4. Causes and symptoms of gas blockage in the reboiler at the bottom of the stripping tower - HCBBS Forum
5. Installation of the gas-phase outlet separator in the low-temperature methanol wash tower - HCBBS Forum
6. How to check the base plate of a tower without a skirt base - HCBBS Forum
7. Champions League – Leipzig defeats Monaco 4-1 away; Besiktas draws 1-1 with the leader - HCBBS Forum
8. Those who study engineering: take a look at the four towers in the picture - HCBBS Forum
9. Calculation of seismic loads and bending moments on towers - HCBBS Forum
10. How are the inlet and outlet diameters of the absorbent fluid in a packed tower determined? - HCBBS Forum
11. What are the differences in the startup process between plate towers and packed towers? - HCBBS Forum
12. Use PROII for tower design and calculation - HCBBS Forum
13. Is an absorption tower a distillation tower? What’s the difference between the two? - HCBBS Forum
14. How to calculate the weight of two towers together - HCBBS Forum
15. Water injection at the inlet of the top cooler of the fractionation tower - HCBBS Forum
16. What should be considered when producing 13-6-29 fully water-soluble products using high-tower nitrosulfurization? - HCBBS Forum
17. Relationship between air compressor inlet volume and distillation tower efficiency - HCBBS Forum
18. Seeking suppliers for desulfurization tower fabrication - HCBBS Forum
19. Is it still necessary to conduct a hydrostatic test on the entire tower structure on site? - HCBBS Forum
20. I would like to ask everyone: after the entire Aspen process is set up, how can one of the columns be optimized? - HCBBS Forum
21. Seeking help with a pressure tower – pressure control scheme for the tower top? - HCBBS Forum
22. The methane content in the off-gases from the cryogenic distillation tower is high - HCBBS Forum
23. Why is steam used as the heat source for the reboiler at the bottom of the catalytic regeneration tower? - HCBBS Forum
24. Threaded connection nozzles on tower equipment - HCBBS Forum
25. Tower resonance - HCBBS Forum
26. Effect of constant pressure in the coking stabilizer on the initial boiling point? - HCBBS Forum
27. On the calculation of the distillation column diameter - HCBBS Forum
28. Problems with hydrogen cooling towers - HCBBS Forum
29. I would like to ask about the reasons for stable operation in the face of a sudden increase in reaction pressure and a corresponding decrease in the pressure at the top of the fractionation tower - HCBBS Forum
30. Liquid in the wash tower - HCBBS Forum
31. Having the tower at full liquid level for an extended period of time does not cause any harm to the tower - HCBBS Forum
32. In summer, the temperature drop in the cooling tower of the air separation plant is too poor - HCBBS Forum
33. Temperature in the evaporation section of the distillation column - HCBBS Forum
34. How to simulate the spray in an Aspen empty tower - HCBBS Forum
35. How is wet quenching used to control the coking tower? - HCBBS Forum
36. What is the optimal height-to-diameter ratio for the adsorption tower in PSA nitrogen generators? - HCBBS Forum
37. Effect of the inlet structure of the scrubber tower on dust removal efficiency - HCBBS Forum
38. For the side-line stripping tower, is the amount of stripping steam used appropriate? How can this be determined? - HCBBS Forum
39. Calculation of tower diameter and packing height of packed tower - HCBBS Forum
40. Estimation of the weight of the medium inside the tower during operation of the unit - HCBBS Forum
41. Regarding the temperature control of the tower top condenser - HCBBS Forum
42. Distillation column operation - HCBBS Forum
43. Which domestic manufacturer of tower internals has experience with six-level overflow trays? - HCBBS Forum
44. How is the internal diameter of a small packed distillation column with a size of 10–30 cm calculated? - HCBBS Forum
45. A problem in PRO for simulating the operation of extractors and distillation columns within a single simulation file - HCBBS Forum
46. Dehydration tower issues - HCBBS Forum
47. The acidic iron ion content in the reflux tank of the continuous reforming pretreatment stripping unit is high - HCBBS Forum
48. Stirring hydrogen gas is stopped in the distillation column for the hydrogenation of coker diesel and gasoline - HCBBS Forum
49. Why are air coolers more commonly used at the top of towers and split-flow exchangers more commonly used at the bottom in the petrochemical industry? - HCBBS Forum
50. The Tower in 2016 - HCBBS Forum
51. How should a system with side-line towers be defined? - HCBBS Forum
52. Are there any alternatives to the Venturi scrubber nowadays? - HCBBS Forum
53. Solutions to the high resistance in the pre-cooling tower of the coking desulfurization unit - HCBBS Forum
54. Emergency cooling tower for hazardous waste treatment - HCBBS Forum
55. Tower design diagram for azeotropic distillation of THF and n-butanol - HCBBS Forum
56. Selection of materials for desulfurization towers and precautions for installing fiberglass reinforced plastic desulfurization towers - HCBBS Forum
57. distillation tower - HCBBS Forum
58. The impact of tray corrosion on operation - HCBBS Forum
59. Ammonia synthesis tower - HCBBS Forum
60. Iron Tower 19+17 claim two consecutive victories in the City of Torn Cities; Western Conference’s top eight rankings change again - HCBBS Forum
61. Colleagues, I don’t have an ammonia scrubber at this outlet – what should I do? - HCBBS Forum
62. Template for continuous distillation floating valve column - HCBBS Forum
63. U23 Asian Cup – He Chao gets red card; China loses 1-2 to Qatar and is eliminated in third place in the group - HCBBS Forum
64. Detailed Explanation of the Automatic Chemical Dosing Device for Acid Fog Towers – Baoheng Pump Industry - HCBBS Forum
65. There are many flowcharts for the distillation tower system; where should one start to understand each line one by one? - HCBBS Forum
66. What is the standard for determining how much packing to use in a distillation tower? - HCBBS Forum
67. Renovation of waste gas, waste water and waste solid leaching tower - HCBBS Forum
68. Control issue of the top temperature in the hydrocracking light hydrocarbon absorption tower? - HCBBS Forum
69. When the coke tower is depressurized, how should pressure be released into the vent tower? - HCBBS Forum
70. Can the heating steam for the extraction distillation tower and solvent recovery tower in the aromatic hydrocarbon extraction unit be supplied by 1.0 MPa steam? - HCBBS Forum
71. The circulation pump of the exhaust gas absorption tower fails to deliver fluid - HCBBS Forum
72. Seeking help regarding the inability to increase the temperature in the distillation tower! ! ! - HCBBS Forum
73. Material issues with the Pureness Tower - HCBBS Forum
74. How to determine if a tower is leaking - HCBBS Forum
75. WPTR user sharing: Plate tower – Example of a F1 floating valve tower with atmospheric-liquid ratio - HCBBS Forum
76. Oxygen content analyzer for oil and gas pipelines at the top of the vacuum tower - HCBBS Forum
77. Assessing the condition of the distillation column based on the pressure difference of trifluoromethane - HCBBS Forum
78. Can evaporative condensers replace cooling towers? - HCBBS Forum
79. Corrosion protection inside the desulfurization tower - HCBBS Forum
80. Analysis of Precautions for Using Scrubbers in Waste Gas Treatment Equipment – Fenglu Environmental Protection - HCBBS Forum
81. The top temperature of the distillation tower is 110°C; why can the dry point of the crude vapor reach 200℃ - HCBBS Forum
82. Renovation of the tower - HCBBS Forum
83. Distillation column pressure difference - HCBBS Forum
84. Cooling tower spacing - HCBBS Forum
85. PSA switches from tower 10 to tower 5 due to malfunction. How to switch from tower 5 to tower 10? - HCBBS Forum
86. How did you address the issue of wax oil air cooling and heating at the top of the vent tower? - HCBBS Forum
87. Chelating resin column - HCBBS Forum
88. Desorption tower - HCBBS Forum
89. What’s in the red circle next to the coke tower? - HCBBS Forum
90. Can stainless steel trays be used with carbon steel tower internals? - HCBBS Forum
91. I don’t know if anyone here uses 3d3s. Can I ask for help? How do I input wind loads for towers? - HCBBS Forum
92. For collecting harmful exhaust gases in a factory building and sending them to an absorption tower, is it better to use a fan or a vacuum pump? - HCBBS Forum
93. Selection of bolt material for the connection flanges of low-temperature high-pressure towers - HCBBS Forum
94. Pressure difference between the inlet and outlet of the methanol synthesis tower - HCBBS Forum
95. Why is a pure nitrogen tower installed in the air separation main tower? - HCBBS Forum
96. Analysis of the heat source medium at the bottom of the catalytic unit tower - HCBBS Forum
97. Pressure testing in a hermetically sealed tower - HCBBS Forum
98. The liquid level at the bottom of the ethanolamine regeneration tower fluctuates frequently - HCBBS Forum
99. Aspen simulation of dry plate problems in absorption towers - HCBBS Forum
100. Depentanizer single-cycle line - HCBBS Forum