English — Forum #723 (Page 582/642)

1. What are the common abnormalities in pressure swing adsorption (VCM)? - HCBBS Forum
2. Seeking help with a question from the professional foundation exam review - HCBBS Forum
3. Postgraduate evaluation for intermediate professional title - HCBBS Forum
4. A sentence requesting a translation for heat exchanger design - HCBBS Forum
5. Catalytic flue gas desulfurization - HCBBS Forum
6. Pressure swing adsorption time issue - HCBBS Forum
7. Oiling of the metering pump bearing housing - HCBBS Forum
8. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 259 - HCBBS Forum
9. How to determine the designed annual production capacity of ammonia synthesis based on the diameter of the ammonia synthesis tower - HCBBS Forum
10. How to calculate the flow rate at different opening degrees of a control valve - HCBBS Forum
11. 【Daily Question】2015.07.28 Gaskets (First 100 replies + 2 Wealth points; additional 3–8 Wealth points for correct answers) - HCBBS Forum
12. How to calculate the pressure drop of a flow control orifice plate - HCBBS Forum
13. Why is an aluminum alloy material used for breather valves? - HCBBS Forum
14. Journals on advanced processing in the petrochemical industry - HCBBS Forum
15. Which are the better domestic companies specializing in cooling gel applications? Our factory is considering applying this technology to butadiene storage tanks - HCBBS Forum
16. Pressure difference design before and after the pressure relief valve - HCBBS Forum
17. Sure enough, the scammers of this era are all so sophisticated - HCBBS Forum
18. An attitude toward an unattainable love affair - HCBBS Forum
19. What are the white floccules in ethylene oxide? - HCBBS Forum
20. Could you share how your factory operates the pumps? - HCBBS Forum
21. Please ask an expert to explain forward osmosis - HCBBS Forum
22. Shanghai is really a trap, a place for people from other places - HCBBS Forum
23. How is the leakage rate of liquid chlorine storage tanks calculated? - HCBBS Forum
24. The issue of excessive or insufficient liquid level in the inner container of the tower tank - HCBBS Forum
25. Analytical design - HCBBS Forum
26. Overheated steam pressure issue - HCBBS Forum
27. What measures do we take in practice to ensure the economical operation of the boiler? - HCBBS Forum
28. ICIF 2015, the 14th China International Chemical Industry Exhibition (Shanghai) - HCBBS Forum
29. 【Weekly Topic】Discussion on imported compressors (first week of August) - HCBBS Forum
30. The problem of separation between epichlorohydrin and water - HCBBS Forum
31. Material selection for sludge drying equipment - HCBBS Forum
32. What causes the air switch to trip when the motor stops? - HCBBS Forum
33. Control of purified water - HCBBS Forum
34. What’s the use of the high and low values of Lucky Points per month? - HCBBS Forum
35. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 263 - HCBBS Forum
36. Methods for reducing water-insoluble substances in sodium tripolyphosphate - HCBBS Forum
37. Steam, electricity - HCBBS Forum
38. On the physical properties of moist air in air heaters - HCBBS Forum
39. 【Daily Question】Principles of Chemical Engineering 116: Absorption (July 21) - HCBBS Forum
40. How to make a simple air compressor - HCBBS Forum
41. Material of the high-temperature thermocouple in the gasifier - HCBBS Forum
42. Corrosion resistance - HCBBS Forum
43. Is there anyone who works in flue gas desulfurization and denitration? A beginner seeking help here - HCBBS Forum
44. Regarding the substitution of fully open safety valves and slightly open safety valves - HCBBS Forum
45. Design of moisture content in raw coal prepared from pulverized coal - HCBBS Forum
46. On larger motors, there is a pointer that points to three wires: two black ones on either side and one red one in the middle. What is it for? - HCBBS Forum
47. Addressing the issue of total sulfur purification - HCBBS Forum
48. Why is the outlet of a waste heat boiler under negative pressure? - HCBBS Forum
49. I would like to ask everyone: what kind of pumps are generally used to pump liquid ammonia in denitration processes? - HCBBS Forum
50. Pipeline material statistics - HCBBS Forum
51. Issues with leak testing of startup valves for new installations - HCBBS Forum
52. Phosphorus trichloride evacuation - HCBBS Forum
53. Sharing some information about license approval processes (Beijing area) - HCBBS Forum
54. Back-pressure turbine, steam condensate tank issues - HCBBS Forum
55. The issue of riser pressure drop - HCBBS Forum
56. Principles for the motor to trip when it reaches the rated current or exceeds it - HCBBS Forum
57. Can plain water be used for ammonia absorption? - HCBBS Forum
58. flue baffle - HCBBS Forum
59. Regulation and interconnection of control valves - HCBBS Forum
60. Material issues when using explosion welding for tube sheet bonding - HCBBS Forum
61. Control of the temperature in a jacketed reactor - HCBBS Forum
62. Measures for Labor Competitions in Production Preparation Work - HCBBS Forum
63. Should external pressure be considered in chimney calculations? ! - HCBBS Forum
64. Waste heat boiler design and manufacturing manufacturers - HCBBS Forum
65. Issues with the filtration flow rate of precision filter elements - HCBBS Forum
66. Regarding differential pressure level gauges - HCBBS Forum
67. Distillation column design issue--DMF--water separation - HCBBS Forum
68. Working principle diagrams of butterfly valves, globe valves, ball valves, gate valves, and check valves - HCBBS Forum
69. How does Texaco determine the gas generation capacity of a gasifier based on its diameter? ? - HCBBS Forum
70. Who stole my first one - HCBBS Forum
71. 【Daily Question】Chemical Engineering Principles 118: Filtration Operations (July 23) - HCBBS Forum
72. Are there any regulations prohibiting the use of welded double-threaded pressure gauge valves? - HCBBS Forum
73. Where can I find pressure gauges that are resistant to clogging? - HCBBS Forum
74. Pipe butterfly valve necking requirements - HCBBS Forum
75. Duline curve for sodium sulfite - HCBBS Forum
76. Problems with the inlet pipeline of the steam trap - HCBBS Forum
77. What do the various numbers on the LG-84/5-13 screw compressor represent? Thank you - HCBBS Forum
78. For a cut-off valve, can the switch feedback be achieved using only three wires? - HCBBS Forum
79. Comprehensive Collection of Literature on Acidic Water Stripping Units - HCBBS Forum
80. Has the layout of HaiChuan been changed? - HCBBS Forum
81. Do you have any information on professional companies specializing in overseas investment projects? - HCBBS Forum
82. Liquid sulfur dioxide storage tank - HCBBS Forum
83. PSA hydrogen production - HCBBS Forum
84. Sigh, it feels like jumping into a fire pit - HCBBS Forum
85. Which parameters are controlled for the clarified oil of coking feed slurry? - HCBBS Forum
86. If circulating cooling water is used on the tube side of a U-tube heat exchanger, how can the scale accumulated in the bends be removed? - HCBBS Forum
87. Casing heating - HCBBS Forum
88. Questions about pressure swing adsorption - HCBBS Forum
89. Analysis Shack - HCBBS Forum
90. Pressure of fixed-bed gasoline desulfurization - HCBBS Forum
91. Internal leakage of the gate valve - HCBBS Forum
92. VINI, PPM wt:, - HCBBS Forum
93. Sharing some inquiries regarding the Five-Party Lifetime Quality Warranty - HCBBS Forum
94. There is an issue with the network - HCBBS Forum
95. Difference between angular stop valves and angular throttle valves - HCBBS Forum
96. 【Daily Question】July 24 – Regarding O-ring sealing issues (first 80 participants get +2 points, plus 3–8 points for correct answers...) - HCBBS Forum
97. Overpressure of safety water seal - HCBBS Forum
98. How to reduce noise in an air compressor plant - HCBBS Forum
99. How to make a simple air compressor - HCBBS Forum
100. Consultation - HCBBS Forum