English — Forum #647 (Page 23/34)

1. Stirring tower of diesel hydrogenation unit - HCBBS Forum
2. The Twin Towers score 41+24 to narrowly beat the Pelicans; the Five Tigers each score in double figures as the Bucks easily defeat the Magic - HCBBS Forum
3. Seeking advice regarding the demethanization tower in an olefin separation unit - HCBBS Forum
4. What control methods are used in isomer distillation towers to obtain qualified products? - HCBBS Forum
5. Seek distillation tower CAD drawings - HCBBS Forum
6. A question regarding the return of slurry to the tower - HCBBS Forum
7. What are the symptoms of water contamination in the acidic gas sent from the top of the acidic water stripping tower to the sulfur recovery unit? - HCBBS Forum
8. Shentao scores 16+15 points and 4 rebounds! The Miracle Team has 8 players in the game, 7 of whom score double figures, achieving 6 consecutive wins - HCBBS Forum
9. What control methods are used for the overhead product of an isotope separation distillation column? - HCBBS Forum
10. Design of tower transition section - HCBBS Forum
11. Hydrogen sulfide levels remain high behind the tower - HCBBS Forum
12. Can precise temperature control of the distillation tower improve product quality? Plate towers are straightforward, but how is a packed tower designed in practice? - HCBBS Forum
13. If the temperature at the bottom of the vacuum tower is above 380°C and the liquid level in the tower bottom rises, could this have an impact on the vacuum level at the top of the tower? Why? - HCBBS Forum
14. Has the noise from the distillation tower in my unit been much louder than usual recently? - HCBBS Forum
15. Vacuum pumping issues in the vacuum distillation tower - HCBBS Forum
16. External reboiler in distillation column simulation - HCBBS Forum
17. The tower is equipped with packing; is there a requirement for the packing height? - HCBBS Forum
18. Key knowledge points of atmospheric distillation columns and vacuum distillation columns - HCBBS Forum
19. How should the fractionation tower be operated when switching the steam seal during startup? - HCBBS Forum
20. Stirring steam at the bottom of the catalytic fractionation tower - HCBBS Forum
21. Is it feasible to control the oil-water interface in a continuous extraction tower using an interfacial meter? - HCBBS Forum
22. What is the difference in the bottom structure between a coking fractionation tower and a catalytic fractionation tower? - HCBBS Forum
23. Precautions for starting up and shutting down negative pressure distillation towers - HCBBS Forum
24. I’d like to ask everyone: what software is used to calculate the foundations for towers that are over 20 meters tall? - HCBBS Forum
25. Working principle of AXENS adsorption separation tower and reasons for the formation of material curves - HCBBS Forum
26. What conditions are required and what procedures must be followed to carry out maintenance work inside equipment (towers, tanks, etc.)? - HCBBS Forum
27. Is it necessary to install an acid mist collector after the Naismith pump, the chlorine compressor, the concentrated sulfuric acid dryer tower, and the Naismith pump? - HCBBS Forum
28. Catalytic stabilizer tower - HCBBS Forum
29. Why is the temperature inside the tower over 100 degrees and is the pressure negative? - HCBBS Forum
30. What is the effect of increasing the pressure in the tower on the argon fraction – does its range shift upward or downward? - HCBBS Forum
31. What happens when the liquid distribution holes in the CO2 stripping tower become clogged? - HCBBS Forum
32. Southeast’s top scorer scores 25 points; the ‘Miracle Team’ records 7 consecutive wins with a double-double and 4 rebounds - HCBBS Forum
33. ASPEN simulation for absorption and desorption towers – help needed - HCBBS Forum
34. The regeneration purge time of the hydrogen adsorption tower is too long - HCBBS Forum
35. What is the typical gas flow velocity at the top of the fractionation tower in naphtha cutting? - HCBBS Forum
36. Discussion on the control scheme of the acidic water stripping tower. - HCBBS Forum
37. Discussion on the optimal location for adding antifoam agent in the solvent regeneration tower. - HCBBS Forum
38. What are the causes of severe corrosion on the tray plates of the water wash tower in DuPont’s alkylation unit, and what are the preventive measures? Thank you - HCBBS Forum
39. Regarding the issue of excessive thrust bending moment at the top outlet of the stripping tower - HCBBS Forum
40. 【Daily Question】Chemical Engineering Principles 544: Distillation Column Design (April 1) - HCBBS Forum
41. Can the tray be installed at the tower factory and then sent to the construction site? - HCBBS Forum
42. Is it feasible to use ethylene cracking C9 as feed for the heavy aromatics column in an aromatic complex, with AC9 being separated out as a material for disproportionation? - HCBBS Forum
43. In pro2, the thermodynamic method cannot be selected for the tower - HCBBS Forum
44. What to do if the temperature of the distillation column trays is too high and the production volume is insufficient? - HCBBS Forum
45. What does labor protection in tower facilities refer to? - HCBBS Forum
46. Pressure fluctuations in the thermal regeneration tower - HCBBS Forum
47. Temperature in the regeneration tower - HCBBS Forum
48. Premier League – Obafeemi and Mkhitaryan score as Arsenal end three-game losing streak 3-0 - HCBBS Forum
49. The liquid level in the deethanization reflux tank is unstable - HCBBS Forum
50. Seeking advice on the design of a spray tower for absorbing methanol using water - HCBBS Forum
51. Can’t the liquid level at the bottom of the deethanizer rise? - HCBBS Forum
52. Calculation length for external pressure of tower - HCBBS Forum
53. Methanol distillation tower top safety valve - HCBBS Forum
54. Pressure control scheme for methanol tower under pressure - HCBBS Forum
55. Inquiry about the service life of packed towers - HCBBS Forum
56. Tower calculation - HCBBS Forum
57. Circulating water cooling tower - HCBBS Forum
58. Key operating points of the dual-tower pressurized stripping process for small-scale units and actual situations encountered in sulfur recovery operations - HCBBS Forum
59. PROII tower model RATEFRAC algorithm - HCBBS Forum
60. Could that expert please help by providing the process flow from the outlet of the vaporization furnace to the outlet of the water washing tower? - HCBBS Forum
61. Issues related to flooding in distillation columns - HCBBS Forum
62. Packed tower calculation - HCBBS Forum
63. The discharge pipeline of the ammonia purification tower gets clogged frequently - HCBBS Forum
64. Chinese Super League – Ta Shen scores a last-minute goal in his return debut; Lu Neng claims its first win in seven seasons over Evergrande 2-1 - HCBBS Forum
65. LNG dehydrogenation tower - HCBBS Forum
66. How to achieve a 99% recovery rate as defined in the tower - HCBBS Forum
67. Feed temperature of methanol to formaldehyde absorption tower - HCBBS Forum
68. Water in the reflux tank at the top of the catalytic stabilizer - HCBBS Forum
69. Trays in the desulfurization tower - HCBBS Forum
70. I just want to plead for a model of the vacuum tower used in actual atmospheric and vacuum distillation processes – how should the temperature for side-stream distillation at D1160 at 95% be set? - HCBBS Forum
71. Hydrogenation refining stripping tower - HCBBS Forum
72. Champions League – Leipzig defeats Monaco 4-1 away; Besiktas draws 1-1 with the leader - HCBBS Forum
73. Corrosion of steam generator at the top of benzene tower in ethylbenzene plant - HCBBS Forum
74. Impact of changes in oil properties on fuel-type vacuum distillation towers? - HCBBS Forum
75. Can paralleling a plate and frame filter press on the tower tank of a gas cooling tower alleviate blockage on the acid side of the plate exchanger? - HCBBS Forum
76. Problem of stable tower top cold reflux - HCBBS Forum
77. How to perform thermal integration of two towers using AspenPlus - HCBBS Forum
78. Introduction to the structural principles of packed towers - HCBBS Forum
79. What is the phenomenon of light wax section flooding the tower? - HCBBS Forum
80. Tower equipment design: How to calculate tower equipment supported by ear-type supports? - HCBBS Forum
81. What key parameters should be considered for the capacity expansion renovation of a stripping tower? - HCBBS Forum
82. What is the quality of the recycled isobutane coming out of the alkylation deisobutanization column? - HCBBS Forum
83. Simulation of differential pressure distillation scheme for the de-isobutane (DIB) column – Time-limited reward offer - HCBBS Forum
84. Distillation tower steel structure platform - HCBBS Forum
85. For the steam ejector at the top of a vacuum tower, is it beneficial for evacuation if the power steam pressure is above the normal operating pressure? Why? - HCBBS Forum
86. Installation location of the tower’s thermocouples - HCBBS Forum
87. Salt deposition in the distillation tower causing column flooding - HCBBS Forum
88. The stripping steam pressure in the stripper decreases - HCBBS Forum
89. The cooling effect of the vent tower in the coking workshop is poor – what’s the reason? - HCBBS Forum
90. Reasons for water accumulation in the wash tower - HCBBS Forum
91. How is the design pressure of the initial distillation tower in atmospheric and vacuum distillation (the setting pressure of the safety valve) determined? - HCBBS Forum
92. ASPEN simulation of water spraying for cooling in an empty tower - HCBBS Forum
93. Discussion on the issues with alkali scrubbers in the coal-to-olefins industry - HCBBS Forum
94. Calculation of axial stability for towers - HCBBS Forum
95. Pressure fluctuations in the regeneration tower - HCBBS Forum
96. The middle part of the ozone oxidation tower in the concentrated brine treatment unit is damaged – can it be repaired? - HCBBS Forum
97. The outlet temperature of the distillation tower is negative - HCBBS Forum
98. What causes the temperature at the top of the pre-tower to be higher than the temperature of the feed plate? - HCBBS Forum
99. Where does the carbon dioxide in the neutralization tower come from? - HCBBS Forum
100. How to handle high methanol and ethanol contents in distillation stripping recovery streams - HCBBS Forum