English — Forum #647 (Page 10/34)

1. What is the working principle and internal structure of a methanol synthesis tower? - HCBBS Forum
2. Regarding the selection of chlorine drying towers - HCBBS Forum
3. Why can’t the cooling water be supplied to the nozzle of the flue gas cooling tower in the incinerator when full atomization is in operation? When the misting valve is slightly closed... - HCBBS Forum
4. Why does the gas-phase flow rate of the mixture on the tray suddenly approach 0? - HCBBS Forum
5. Dry gas desulfurization tower oil skimming line - HCBBS Forum
6. Propylene tower - HCBBS Forum
7. Cooling water tower support material - HCBBS Forum
8. Tahe Refining and Chemical Plant intensifies efforts to identify potential freezing hazards - HCBBS Forum
9. Adu scores 41 points as Warriors suffer consecutive losses; dual towers shine as Pelicans win in race for positioning - HCBBS Forum
10. I’m facing problems with the insulation of the distillation tower; seeking help - HCBBS Forum
11. Several sections of the atmospheric pressure tower are made of transparent glass; look for manufacturers - HCBBS Forum
12. 【Why do air-cooled towers use both cold and warm cooling water?】 - HCBBS Forum
13. Drive to the argon tower - HCBBS Forum
14. Selection of materials for chloroform medium towers and storage tanks - HCBBS Forum
15. For hydrogen fluoride production plants, what type of pump should be used for the acid circulation pump that washes the crude distillation tower? - HCBBS Forum
16. Atmospheric and vacuum distillation unit tower top injection - HCBBS Forum
17. Discussion on the sulfur paste deposition in the annular troughs of desulfurization regeneration towers in various coking plants - HCBBS Forum
18. The low-pressure column of the No. 4 cryogenic tank in the air separation unit of the completion project for the first phase of the Shaanxi Yanchang China Coal Yulin Energy Chemical Project was officially lifted - HCBBS Forum
19. The liquid level in the packed tower rises by about 4 centimeters per hour; I would like some advice - HCBBS Forum
20. Looking for manufacturers that can produce dehydration towers - HCBBS Forum
21. Seeking assistance with the simulation of an MDEA solvent regeneration tower - HCBBS Forum
22. You’ll fully understand the common phenomena of flooding, tower submersion, and surge in distillation operations after reading this! - HCBBS Forum
23. Reasons for frequent cavitation in the bottom pump of the vacuum tower in the lubricating oil hydrogenation unit - HCBBS Forum
24. Question: What is the purpose of installing solid valves locally on the trays of a catalytic cracking fractionation tower? - HCBBS Forum
25. After the molecular sieve is pressurized, the gas flow rate into the tower increases suddenly. What is the reason? Sometimes it can increase to 1500 NM3/h - HCBBS Forum
26. Tray installation requirements and sealing - HCBBS Forum
27. Is it necessary to concentrate and purify the concentrated ammonia solution produced by the ammonia vaporization tower? - HCBBS Forum
28. Operation of catalytic fractionation towers - HCBBS Forum
29. The diesel extraction in the fractionation tower has upper and lower extraction outlets, and the middle-grade oil also has corresponding upper and lower return outlets. - HCBBS Forum
30. Density of liquid at the bottom of the pressurized tower - HCBBS Forum
31. Methanol recovery tower - HCBBS Forum
32. Solvent regeneration tower - HCBBS Forum
33. Help: An error has occurred in the Block of the rigorous calculation module RadFrac for Aspen absorption towers - HCBBS Forum
34. Design of the condenser and reboiler in a distillation tower - HCBBS Forum
35. Regarding the gas-liquid contact in a packed tower, is it better to have the gas phase removed from the top of the tower or to introduce it at the bottom of the tower? - HCBBS Forum
36. The anti-corrosion layer of the concrete structure of the new cooling water tower has a short service life - HCBBS Forum
37. Is the urea granulation tower equipped with a dust removal device, ensuring that dust levels are within acceptable limits? - HCBBS Forum
38. For a water-ammonia absorption packed tower with a gas flow rate of 10,000 m3/h and a designed tower diameter of 1.2 meters, is a packing layer height of 5.4 meters without any segmentation appropriate? - HCBBS Forum
39. Is it necessary to install a safety valve on an atmospheric pressure tower? - HCBBS Forum
40. What to do if the top temperature of the alkylated dehydrogenated hydrocarbon sulfuric acid tower cannot be reduced? - HCBBS Forum
41. Equipment design for the DN600 small-diameter tower in the acidic water stripping unit - HCBBS Forum
42. Absorption tower consultation - HCBBS Forum
43. Original startup sequence for the distillation tower - HCBBS Forum
44. Tower crane - HCBBS Forum
45. What are tower flooding, tower submersion, leakage, and dry plates? - HCBBS Forum
46. Guys, does anyone have a purging plan for a (hydrogen production) PSA adsorption tower system? I’m begging for it - HCBBS Forum
47. Why is the radius of curvature at the top of this tower so large? Are there any requirements for the design? - HCBBS Forum
48. Why does the temperature of the insulation layer in the synthesis tower decrease? - HCBBS Forum
49. In the actual main fractionation tower, there is an external pipeline on the upper and lower trays of the feed section, equipped with a Venturi flow meter. What is the purpose of this pipeline? It’s as if the external downcomer returns to the bottom of the tower - HCBBS Forum
50. Where does the water brought about by the excessive heat load of the wash tower come from? - HCBBS Forum
51. Installation of mist remover in wet scrubber for waste incineration? - HCBBS Forum
52. Why, in the methanol distillation process, when the ammonia removal tower is not regenerated properly, does trimethylamine fail to meet the specifications along with potassium permanganate as well? - HCBBS Forum
53. How should adjustments be made if the feed composition to the depropanization tower suddenly becomes lighter? - HCBBS Forum
54. Some minor issues with the vacuum level in the vacuum tower - HCBBS Forum
55. Searching for PPH absorption tower manufacturers - HCBBS Forum
56. Issues regarding the on-site level gauge in the negative pressure tower - HCBBS Forum
57. May I ask which equipment manufacturers are specialized in the manufacture of towers, reboilers, and reactors? - HCBBS Forum
58. How to simulate an ethylene glycol dehydration tower using ProII? - HCBBS Forum
59. About MD tray - HCBBS Forum
60. 131- Technical design discussion on the alkali wash coalescer and water wash coalescer dedicated for propane in the depropanization tower of the isooctane plant - HCBBS Forum
61. Properties of the sludge at the bottom of the flue gas desulfurization tower - HCBBS Forum
62. Stupid argon column resistance - HCBBS Forum
63. Recommendations or self-nominations for suppliers of static equipment (towers, reactors, vessels, heat exchangers) for China’s largest oil refining and chemical processing project - HCBBS Forum
64. Problems with the double-overflow bottom structure of a tower equipped with a liquid collection tank at its base - HCBBS Forum
65. The total condenser of the distillation tower is being replaced; I’m not sure by how much the tower pressure will increase - HCBBS Forum
66. Ammonia vaporization tower - HCBBS Forum
67. Military World Games – Chinese men’s basketball team defeats Qatar 80-64 to achieve fourth consecutive win - HCBBS Forum
68. The air temperature at the outlet of the air separation air-cooling tower is on the high side - HCBBS Forum
69. Single overflow in the rectification section, double overflows in the stripping section – how should the tray layout be arranged? - HCBBS Forum
70. Issues regarding the reboiler of the distillation tower - HCBBS Forum
71. Liquid flooding problem in the vapor phase propane removal column - HCBBS Forum
72. Regenerator circulation issue in LPG desulfurization regeneration tower - HCBBS Forum
73. The water used for replenishing the flue gas desulfurization and denitration scrubber has been changed to sulfur purification water. - HCBBS Forum
74. Is the liquid phase load the internal recirculation between the upper and lower trays? ? ? - HCBBS Forum
75. Reflux tower packing - HCBBS Forum
76. Experts, is there any basis for determining the location of the supports on a distillation tower? - HCBBS Forum
77. Temperature issues at the top and bottom of the packed tower - HCBBS Forum
78. A tower crane collapse occurred at a construction site in Linshui County, Guang’an, Sichuan - HCBBS Forum
79. Why does the higher the outlet temperature of the vacuum furnace, the lower the temperature at the top of the vacuum distillation column? - HCBBS Forum
80. What are the relevant operations for the crude argon column in the internal compression process? ? ? - HCBBS Forum
81. Distillation column brine washing - HCBBS Forum
82. What is a good anti-corrosion solution for the sedimentation tank in desulfurization towers? - HCBBS Forum
83. Sour water stripping tower simulation - HCBBS Forum
84. There are several tiny holes on the outer wall of the tower - HCBBS Forum
85. Reduce the light components in the product at the bottom of the tower - HCBBS Forum
86. Atmospheric and vacuum distillation tower - HCBBS Forum
87. What is the purpose of the main cooler in the air separation tower? - HCBBS Forum
88. What is this thing inside the tower used for? - HCBBS Forum
89. Energy consumption of mechanically ventilated cooling towers - HCBBS Forum
90. Seek a design plan and process simulation calculations for tower internals - HCBBS Forum
91. Why is the extractant in the extraction column used for naphtha hydrogenation fed from the top of the column? - HCBBS Forum
92. Flue gas moisture before the drying tower? - HCBBS Forum
93. What are the reasons for the difference in pH values between the wash water from the recovery tower and the water in the stripping reflux tank of the aromatic hydrocarbon extraction water system? - HCBBS Forum
94. The feed components to the hydrocracking fractionation tower are becoming lighter - HCBBS Forum
95. What are the advantages and disadvantages of each control scheme for the tower bottom steam reboiler? - HCBBS Forum
96. Where is the appropriate location for the side line extraction in the middle of the distillation tower? ? ? - HCBBS Forum
97. What is the acid concentration used in the pickling tower? - HCBBS Forum
98. Nippon Chlorine Engineering Company has developed an efficient chlorine gas dehydration tower - HCBBS Forum
99. The inner wall of the flue gas desulfurization tower is anti-corrosion with metal nano-polymer alloy coating - HCBBS Forum
100. Butane removal tower (LPG): Why is the C5 content too high? - HCBBS Forum