English — Forum #647 (Page 30/34)

1. The catalytic reaction stops the feed – how can the liquid level in the heavy oil distillation tower be maintained? The slurry is gone - HCBBS Forum
2. atmospheric tower - HCBBS Forum
3. Are these all cooling towers? Why is there white smoke? It should be harmless, right? - HCBBS Forum
4. Tower insulation ring - HCBBS Forum
5. New ideas for energy savings – Creative approaches to evaporative vapor recovery in circulating water cooling towers - HCBBS Forum
6. How is the impact of the water pressure at the outlet of the needle focus tower decoking device on the tower calculated? - HCBBS Forum
7. Questions about the quench tower - HCBBS Forum
8. What type of tower internals have strong anti-clogging capabilities? - HCBBS Forum
9. I would like to ask how to calculate the Hog value for a packed tower when using NaOH to absorb gases such as SO2 and HF - HCBBS Forum
10. Wastewater discharge control point for the scrubber tower in the flue gas desulfurization system - HCBBS Forum
11. The temperature issue of the tower - HCBBS Forum
12. Help with tray plates - HCBBS Forum
13. Premier League – Morata’s header seals victory; Manchester United lose away to Chelsea, 8 points behind Manchester City - HCBBS Forum
14. WPTR user shares: Plate tower – extremely high liquid-to-gas ratio of L/V=50! Analysis tower, F1 floating valve, examples of trapezoidal guide floating valves - HCBBS Forum
15. Sulfur is treated in an alkali scrubber tower - HCBBS Forum
16. 【Daily Question】Chemical Engineering Principles 580: Packed Absorber Tower (June 30) - HCBBS Forum
17. Effect of 11-44 monoammonium phosphate on caking in high tower nitro compound fertilizers - HCBBS Forum
18. Desulfurization tower tank for coal coking - HCBBS Forum
19. Everyone, have you heard of or used a \"angle steel tower tray\"? Please introduce its applicable scenarios and performance. - HCBBS Forum
20. **Pump tower water treatment - HCBBS Forum
21. How to deal with urea sticking at the bottom of the granulation tower? - HCBBS Forum
22. In the calculations for atmospheric distillation of crude oil, when determining the total reflux heat and the gas-liquid phase loads, how is the enthalpy value of petroleum fractions determined? - HCBBS Forum
23. Discharge port of the synthesis tower - HCBBS Forum
24. How to restart quickly after an emergency shutdown of the electronic-grade ethyl methyl carbonate distillation tower - HCBBS Forum
25. After the low-pressure methanol catalyst is installed, can the methanol synthesis tower be press-tested with hydrogen or a mixture of hydrogen and nitrogen? - HCBBS Forum
26. The liquid level in the cryogenic argon column condenser is too high; this triggers a shutdown of the cryogenic argon column - HCBBS Forum
27. What are the salt formation phenomena in coking fractionation towers? - HCBBS Forum
28. Seeking guidance on bathtub trays - HCBBS Forum
29. Some unexpected situations during tower operation - HCBBS Forum
30. What are the key considerations for material selection in corrosion protection of desulfurization towers? - HCBBS Forum
31. When there are changes in the distributor, packing, etc., inside a distillation extraction column, does the reflux ratio need to be changed? - HCBBS Forum
32. The ammonia content before the tower in coke oven gas is low, at less than 2 g/m3. What could be the reason? - HCBBS Forum
33. Could you recommend a professional manufacturer of distillation towers for use in dyes and pigments? - HCBBS Forum
34. Questions regarding tray efficiency - HCBBS Forum
35. After the spray tower undergoes gas-liquid heat exchange, a lot of gas in the liquid cannot come out. - HCBBS Forum
36. The amine solution regeneration tower uses corrugated structured packing - HCBBS Forum
37. The liquid level in the purification tower has inexplicably risen - HCBBS Forum
38. Is the safety valve outlet pipeline connected to the absorption tower? - HCBBS Forum
39. Problems with the vacuum pump in the distillation tower - HCBBS Forum
40. Which units use two-stage stripping – namely CO2 stripping and ammonia stripping – for the low-temperature condensate from the conversion ammonia washing tower? - HCBBS Forum
41. Distillation column operation problems - HCBBS Forum
42. Official: Cavaliers sign Dantay Jones and Eddie Tavares - HCBBS Forum
43. Why does the result graph I made show that as the number of trays increases, the heat load at the bottom of the tower also increases? - HCBBS Forum
44. Determination of the feed pressure for the distillation tower - HCBBS Forum
45. Problems with the low-temperature methanol washing tower - HCBBS Forum
46. HYSYS simulation of CDU atmospheric pressure column does not converge - HCBBS Forum
47. Fractionating tower; Water content in the reflux tank and dehydration pack - HCBBS Forum
48. High tower-reboiler-condenser-pipe model - HCBBS Forum
49. What is the distance between the circulating water tower and the surface flare? - HCBBS Forum
50. Questions regarding the reflux at the fifth stage of the catalytic fractionation tower - HCBBS Forum
51. Problems discovered during the acceptance of packed towers - HCBBS Forum
52. Design of the circulating liquid tank for deodorization in spray towers - HCBBS Forum
53. What to do if no data on gas-liquid equilibrium is available for designing a packed tower? - HCBBS Forum
54. Failure situations of towers and furnaces in the chemical industry - HCBBS Forum
55. **The 76ers end a 5-game losing streak with a double-double; Iron Tower scores 31+22 as New York loses - HCBBS Forum
56. How can the alkaline droplets carried in the gas at the top of the absorption tower be removed thoroughly? - HCBBS Forum
57. Precision of the right chamber filter at the bottom of the methanol regeneration tower - HCBBS Forum
58. Calculation of the diameter of the feed line for the side-line stripping tower - HCBBS Forum
59. Something I haven’t been able to figure out lately? Alkali replacement in neutralization tower - HCBBS Forum
60. Which parts of the tower should be insulated? - HCBBS Forum
61. Seeking a diagram of the dynamic material flow in an ammonia synthesis tower! three-tier bed - HCBBS Forum
62. Calculation of the diameter of a packed tower - HCBBS Forum
63. Who knows the role of the dehexanizer in continuous reforming - HCBBS Forum
64. Diesel extraction issue in the fractionation tower - HCBBS Forum
65. I would like to ask the experts here: does anyone have an oxygen separation efficiency enhancement tower? I’d like to learn more about it - HCBBS Forum
66. I’m asking the experts here: what type of tower tray is this? It doesn’t seem to be a double-overflow type - HCBBS Forum
67. Hydraulic testing of the tower - HCBBS Forum
68. Selection of absorbent tower packing for chlorine off-gas removal? PVC or PP? - HCBBS Forum
69. The shape of the bottom of this tower is so strange - HCBBS Forum
70. The sample from the top of the tower is 99.98%, with a temperature difference of four to five degrees between the middle part of the tower and the top - HCBBS Forum
71. What is the purpose of the pre-hydrogenation unit with a deoxygenation tower process? - HCBBS Forum
72. The support issue of the tower - HCBBS Forum
73. The inlet of the bottom pump in the vacuum tower operates under negative pressure, so there is a possibility of air leaking into the pump, right? - HCBBS Forum
74. Use SW6 to verify the desulfurization tower - HCBBS Forum
75. There was a failure in the mechanical seal of the bottom pump in the hydrocracking distillation tower; inspection revealed salt deposition, and the cause was analyzed. - HCBBS Forum
76. Flue gas desulfurization tower, in which a sodium hydroxide solution is added to absorb sulfur trioxide - HCBBS Forum
77. Is the plate heat exchanger at the top of the catalytic main fractionation tower reliable? - HCBBS Forum
78. Huizhou Refining & Chemicals Phase II Propylene Tower - HCBBS Forum
79. Wastewater treatment for coking vent towers - HCBBS Forum
80. Delayed coking switching tower identifier - HCBBS Forum
81. Temperature control treatment for purified water separation tower - HCBBS Forum
82. I would like to ask everyone: Does antipollution air need to be added to both the columns and storage tanks in which antipollution agents are used? What is the standard for adding air to inhibit polymerization? - HCBBS Forum
83. Seeking the design of an azeotropic distillation column - HCBBS Forum
84. Regarding the use of wet vacuum distillation columns, what are the operational precautions? - HCBBS Forum
85. High Tower Granulator - HCBBS Forum
86. Help: Ethylene loss in the demethanizer - HCBBS Forum
87. The alcohol amine solution absorbs H2S; what causes the high temperature at the tower outlet? - HCBBS Forum
88. Under what circumstances is it not necessary to consider the effects of earthquakes on towers? - HCBBS Forum
89. Determination of the PSA tower size - HCBBS Forum
90. To control the purity of the product at the top of the tower, should cooling water be used to regulate the temperature of the gas phase at the top of the tower, or the temperature of the liquid phase in the condenser? - HCBBS Forum
91. The flow rate in the industrial naphthalene distillation column is decreasing slowly - HCBBS Forum
92. Selective hydrogenation pre-distillation column - HCBBS Forum
93. Bending of the tower - HCBBS Forum
94. Is it okay to vent C2 from the vapor phase deethanizer into the C4 MTBE feedstock? - HCBBS Forum
95. Annual inspection of tower equipment - HCBBS Forum
96. Do skirt-supported, self-supporting metal pressure vessels with a ratio of height H to average diameter D of 5 or less fall under the category of tower-type vessels? - HCBBS Forum
97. Can acetylene sulfuric acid cleaning be done without an alkali scrubber? - HCBBS Forum
98. Packed tower size - HCBBS Forum
99. Extraction unit recovery tower - HCBBS Forum
100. High water content in the methanol-water separation tower - HCBBS Forum