English — Forum #647 (Page 14/34)

1. How can Aspen be used to simulate an extractive distillation column for separating an ethanol-water mixture in order to produce 99.5% anhydrous ethanol? - HCBBS Forum
2. Why cannot plate heat exchangers be used in the absorption towers of large and medium-sized acid production plants using smelting flue gas? - HCBBS Forum
3. Load calculation for the catalytic stabilizer tower - HCBBS Forum
4. Recruitment for distillation tower design engineers - HCBBS Forum
5. Pre-tower flash tank - HCBBS Forum
6. There is a yellow substance at the reflux pump of the distillation pre-condenser; what is this substance? - HCBBS Forum
7. distillation tower - HCBBS Forum
8. Looking for a guidebook on tower operation - HCBBS Forum
9. Reboiling issues in distillation columns - HCBBS Forum
10. What are the causes of gas resistance in the desorption tower? - HCBBS Forum
11. Deethanizer tower - HCBBS Forum
12. Reasons for the high temperature in the middle section of the ammonia recovery tower (ammonia scrubbing tower) - HCBBS Forum
13. Measure the pressure drop in the fractionation tower - HCBBS Forum
14. Analysis of the reasons for the increased pressure difference in the methanol vaporization tower - HCBBS Forum
15. Cooling tower make-up water and wastewater discharge - HCBBS Forum
16. Selection of level gauges for the bottom liquid level in high-viscosity tar-containing tower bottoms - HCBBS Forum
17. The amazing phenomena during the commissioning of a two-stage packed distillation column - HCBBS Forum
18. How should one make adjustments if the pressure in the distillation tower is low, or if the temperature at the top of the tower is high? - HCBBS Forum
19. Corrosion of the vacuum pump in the vacuum distillation tower - HCBBS Forum
20. Reuse of wastewater from ion-exchange membrane chelating resin column regeneration - HCBBS Forum
21. Stress verification of the tail lifting lugs on tower equipment regarding the skirt base - HCBBS Forum
22. Gao Ta Nitro Compound Fertilizer (Fully Water-Soluble) Binder - HCBBS Forum
23. How is the actual temperature drop ratio of a cooling tower compared to the designed value calculated? - HCBBS Forum
24. Manholes for plate towers and packed towers - HCBBS Forum
25. 133- Special vaned separation collector for droplet capture of steam desalination fluid in the steam tower of the propylene plant catalyst stripping and regeneration process - HCBBS Forum
26. Introduction and design of plate tower - HCBBS Forum
27. It’s difficult to control the temperature at the top of the stabilizer – is reflux not effective? - HCBBS Forum
28. Regarding the implementation plan for the pressurized packed tower for liquid chlorine purification. Newbie seeking help, thanks! - HCBBS Forum
29. Why should the cut-off valve at the feed inlet be located close to the feed pipe opening of the tower? - HCBBS Forum
30. I would like to ask about the relationship between the top temperature of a fractionation tower and the dry point of the top naphtha - HCBBS Forum
31. Looking for help with a form of tower internals I haven’t seen before - HCBBS Forum
32. Three equilibrium controls in a distillation tower - HCBBS Forum
33. The phenomenon of empty liquid level in the reabsorption tower - HCBBS Forum
34. I have questions regarding the exhaust gas absorption tower! - HCBBS Forum
35. Distillation column operation - HCBBS Forum
36. Does the activated carbon fiber used in activated carbon fiber absorption towers generate dust as well? - HCBBS Forum
37. Head and flow rate of the cooling water pump in the cooling water tower - HCBBS Forum
38. As shown in the figure, why does the gas phase extracted from the top of the tower take a turn? - HCBBS Forum
39. What is the difference between a bottom-reactor type distillation column and a regular distillation column? - HCBBS Forum
40. What is the chlorine content in dilute sulfuric acid in the chlorine drying tower? - HCBBS Forum
41. 4 people injured in a fire at a desulfurization tower in Xi’an – how to prevent such incidents? - HCBBS Forum
42. The skirt of the tower is made of stainless steel; what value should be used for the allowable stress of that foundation ring in the SW6 calculations? - HCBBS Forum
43. What are the symptoms when there is a gas blockage in the bottom reboiler? - HCBBS Forum
44. Commissioning of the heat source for the analytical tower steam generator - HCBBS Forum
45. Material selection for potassium permanganate spray towers - HCBBS Forum
46. What is the tray mass transfer equation? - HCBBS Forum
47. Does the dimer go with water or with hydrocarbons in the water wash tower? - HCBBS Forum
48. Stabilized sludge reflux tank - HCBBS Forum
49. Reasons for the variable-diameter design of distillation columns - HCBBS Forum
50. How is the heat required to raise the flue gas temperature from 55 degrees to 90 degrees after the desulfurization tower calculated? - HCBBS Forum
51. Low-temperature methanol wash heat regeneration tower Methanol-water separation tower - HCBBS Forum
52. Material of chloroacetyl chloride distillation tower - HCBBS Forum
53. Washing tower - HCBBS Forum
54. Clogging of the alkali scrubber tower for hydrogen sulfide absorption - HCBBS Forum
55. Linear speed detection for heating furnaces and coke towers - HCBBS Forum
56. Distillation tower - HCBBS Forum
57. What is the cause of the sudden drop in the inlet temperature of the synthesis tower? - HCBBS Forum
58. Distillation tower - HCBBS Forum
59. Questions regarding the scrubber tower - HCBBS Forum
60. How should an adsorption tower be designed? - HCBBS Forum
61. PVelite tower design seismic load IS1893 and wind load IS875 - HCBBS Forum
62. I would like to ask how to calculate such a packed tower? - HCBBS Forum
63. The temperature of the medium in the scrubber tower is 240 degrees Celsius; then why doesn’t the flap level gauge show any temperature reading? The flap level gauge isn’t blocked. - HCBBS Forum
64. Analysis and design of PSA absorption towers - HCBBS Forum
65. The lifting of the first tower unit in the methanol purification unit for the YuNengHua filling and completion project has been completed - HCBBS Forum
66. Why is the liquid level in the low-temperature methanol wash regeneration tower at the full scale, while the liquid level in the lean methanol storage tank is at the lower limit? - HCBBS Forum
67. A tower crane collapsed at a construction site in Shandong, killing 3 people; all construction projects in the region have been halted! - HCBBS Forum
68. How to view distillation column property parameters in ASPEN - HCBBS Forum
69. The fractionation tower experienced 4 backflows per day - HCBBS Forum
70. The liquid level in the middle of the air-cooled tower is not high, and the instruments are working fine - HCBBS Forum
71. tray - HCBBS Forum
72. What impact do small pieces of plastic packing from cooling towers in the water have on water pumps? - HCBBS Forum
73. In the coal-to-hydrogen plant, the outlet temperature is high during PSA adsorption, and the CO level exceeds the limit - HCBBS Forum
74. Delayed coking: two furnaces and three towers - HCBBS Forum
75. What category do cooling towers in circulating water systems belong to? - HCBBS Forum
76. In the case where fluid flows from a high-level tower to a low-level receiving tank, how can negative pressure be prevented from forming inside the tower? - HCBBS Forum
77. What are the functions of the stripping steam at the bottom of a distillation tower? - HCBBS Forum
78. On the selection of packing types for packed towers - HCBBS Forum
79. How to prevent coking in the packing or trays at the lowest part of the vacuum distillation column in atmospheric and vacuum distillation units - HCBBS Forum
80. Short-circuit corrosion at the pressure measurement points of the distillation tower in the carbon dioxide stripping urea plant - HCBBS Forum
81. Scaling in the scrubber tower - HCBBS Forum
82. The absorption tower has been bothering me for days - HCBBS Forum
83. What is the moisture content index of the flue gas at the outlet of the concentrated sulfuric acid drying tower? - HCBBS Forum
84. Slag return tank - HCBBS Forum
85. High top temperature interlock for the separator at the top of the low-temperature methanol wash heat regeneration tower - HCBBS Forum
86. What is the residue at the bottom of the pre-column in the three-column process for pure methanol? - HCBBS Forum
87. Share the design of a liquid concentration tower - HCBBS Forum
88. Can the vacuum pump outlet pipeline be connected directly to the spray tower inlet pipeline? - HCBBS Forum
89. Are there professionals specialized in the design of distillation packing towers? - HCBBS Forum
90. Hysys dynamic simulation of air separation distillation column - HCBBS Forum
91. Desulfurization tower and scrubber tower packing: polypropylene 25 Bauler rings - HCBBS Forum
92. Suárez and Lautaro score as Barcelona wins 2-1 at home to overturn a deficit and claim first victory - HCBBS Forum
93. Reasons for the gradual decline in the liquid level in the circulation tank of the waste gas absorption tower - HCBBS Forum
94. The first batch of tower equipment for the air separation unit in Fuhua Tianchen Gas’ large-scale coal gasification project has been successfully delivered - HCBBS Forum
95. Tower and middle-aged man - HCBBS Forum
96. How should we understand that too high a vacuum level in a distillation tower reduces its processing capacity? - HCBBS Forum
97. Causes of tower blockage in wet flue gas desulfurization systems and solutions - HCBBS Forum
98. The role of the vapor-phase equilibrium line in a distillation column - HCBBS Forum
99. Do distillation towers and distillation kettles in general chemical enterprises need automated control equipment? - HCBBS Forum
100. Desulfurization absorption tower strength calculation software - HCBBS Forum