English — Forum #723 (Page 247/642)

1. Sign-in record post from June 3, 2016 - HCBBS Forum
2. Discussion on the operation of the air separation liquid accumulation purification valve - HCBBS Forum
3. The pH value of aluminum wastewater is greater than 1; what amount of lime should be used as a neutralizing agent? - HCBBS Forum
4. 2016 National Symposium on the Advanced Development of Coal Chemical Industry; during the conference, a visit was made to the Zhongtian Hechuang demonstration project for advanced coal processing - HCBBS Forum
5. 【Daily Topic】【Civil Engineering Version 20160602】 - HCBBS Forum
6. Causes and analysis of catalyst poisoning in the refining process - HCBBS Forum
7. DMS - HCBBS Forum
8. Are heat tracing pipes required for sulfuric acid with smoke and 98% acid pipelines (Suzhou area)? - HCBBS Forum
9. [Seeking discussion] What are the standard five-stage filtration systems used in water treatment equipment, and what functions do they serve respectively? ? - HCBBS Forum
10. Light contaminated oil, heavy contaminated oil - HCBBS Forum
11. Fire resistance rating - HCBBS Forum
12. The score doesn’t increase? ? ? - HCBBS Forum
13. Video surveillance retention period - HCBBS Forum
14. [Q&A Question 047] 2016.06.06 - HCBBS Forum
15. New continuous polypropylene production process - HCBBS Forum
16. Suggestions - HCBBS Forum
17. Do the fire protection categories for the power distribution room and control room need to be designated? ? ? Is it Category C or? . . . ? ? ? - HCBBS Forum
18. “How is the reasonable time for “commuting to and from work” defined? (Detailed and practical) - HCBBS Forum
19. Pressure Vessel Auditor Exam - HCBBS Forum
20. What are the fire separation requirements between the various Class A storage tanks in the storage tank group within the facility? ? ? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
21. I would like to ask my colleagues about the specifications and models of the explosion-proof sheets (films) used on top of the nicotinic acid storage area - HCBBS Forum
22. Analysis of the causes of high shaft vibration in steam turbines - HCBBS Forum
23. Help: Information related to moving bed reactors - HCBBS Forum
24. What is the impact of *ao acids and salts on hydrolytic acidification? ? Is denitrification necessarily required before hydrolysis and acidification? ? - HCBBS Forum
25. How to separate oil from water in water-containing heavy oil - HCBBS Forum
26. Hydraulic jet pump manufacturers - HCBBS Forum
27. Good material - HCBBS Forum
28. Application of coke gasification technology - HCBBS Forum
29. Design for overhead installation of large-diameter pipelines? - HCBBS Forum
30. What is the mnemonic for PID tuning? - HCBBS Forum
31. How to ensure full flow in a vertical pipe when fluid flows from top to bottom - HCBBS Forum
32. Thank you for being in my life - HCBBS Forum
33. 【Daily Topic】【Engineering Version 20160602】 - HCBBS Forum
34. Seeking high-power coke oven gas boilers for power generation - HCBBS Forum
35. May a drainage ditch be installed beside a Class A liquid storage tank? ? ? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
36. 【Daily Topic】【Production Version 20160606】 - HCBBS Forum
37. 【Weekly Topic】【Electrical Edition 20160608】 - HCBBS Forum
38. Ethylene - HCBBS Forum
39. CS3000 system issues - HCBBS Forum
40. What exactly is the K value that is entered when using Aspen to simulate dynamic reactions? - HCBBS Forum
41. Analysis and control requirements for TOC in saline water - HCBBS Forum
42. When you gaze into the void, the void is also gazing at you - HCBBS Forum
43. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 06 - HCBBS Forum
44. 【Micro-fiction】Live Drill - HCBBS Forum
45. Oil-gas mixing transportation technology - HCBBS Forum
46. 【Picture of the Day】2016 06 03 Today, let’s go with a simpler image – what are the components in this picture? - HCBBS Forum
47. I would like to ask about the meaning of the model numbers for pumps; thank you very much - HCBBS Forum
48. Help! Experts, please help! - HCBBS Forum
49. A dike is usually installed in the acid and alkali storage area. Is there a fixed requirement for the height of this dike? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
50. Inner Mongolia Zhengneng Chemical’s 3.6 million-ton coal grading and quality-based utilization project comes online - HCBBS Forum
51. Steam pressure grade at the bottom of the acidic water stripping unit - HCBBS Forum
52. What is the hydrolysis of hydrogen production conversion catalysts, and what are the consequences of this hydrolysis? - HCBBS Forum
53. What is the loading pressure for gasoline and diesel? What are the consequences of overpressure? - HCBBS Forum
54. Should one make the production process public in order to lead the way to prosperity? - HCBBS Forum
55. The issue of thermal expansion and contraction in high-temperature areas remains unsolved - HCBBS Forum
56. May pipe racks or pipe tunnels be installed inside the fire dike? ? - HCBBS Forum
57. Do the chemical components of stainless steel change over time as it is used? - HCBBS Forum
58. Nitrogen-sealed tank measurement - HCBBS Forum
59. Since the solution is not yet saturated, why stop adding salt? - HCBBS Forum
60. 【New Energy Applications】**Energy Administration: 18.1 million kilowatts of new photovoltaic power plant capacity added in 2016** - HCBBS Forum
61. Chlorine compressor bearing bushing - HCBBS Forum
62. The purity of LNG at the cold box outlet is satisfactory; what is the reason for the unsatisfactory sample quality at the outlet of the loading pump? - HCBBS Forum
63. I have a question regarding temperature control - HCBBS Forum
64. 【Daily Question】Deep Processing 20160530 Multiple Choice: Before starting a reciprocating compressor, what should be used as the purge gas? - HCBBS Forum
65. Can files deleted by mistake from a USB drive be recovered? - HCBBS Forum
66. 【Purification Daily Question】June 9, 2016 - HCBBS Forum
67. Basic Knowledge – Knowledge of Chemical Unit Operations 1 - HCBBS Forum
68. What are the specification requirements for desalinated water? Thank you - HCBBS Forum
69. What professional title is suitable for managing equipment in a chemical plant? - HCBBS Forum
70. Poetry Relay - HCBBS Forum
71. Wuxi Deruil packaging scale wiring - HCBBS Forum
72. Help: How to calculate the power consumption of a three-phase asynchronous motor - HCBBS Forum
73. HRSG - HCBBS Forum
74. I want to learn how to read the instrument drawings for large-scale field equipment – how can I do that! - HCBBS Forum
75. Long-distance pipeline construction - HCBBS Forum
76. The two chemical safety **standards came into effect in 2017 - HCBBS Forum
77. Use of centrifugal extractors for the removal of phenolic compounds from pesticide-contaminated wastewater - HCBBS Forum
78. How to implement batch discharging of a tank in HYSYS dynamics? - HCBBS Forum
79. Abnormal noise in pneumatic control valve - HCBBS Forum
80. Which expert has a photo of the Fisher valve certification? - HCBBS Forum
81. Who has the pattern for the sampler of the adsorption tower in an aromatic xylene plant? - HCBBS Forum
82. High pressure at the compressor inlet - HCBBS Forum
83. Atmospheric pressure Safety valve - HCBBS Forum
84. Help needed: turbine, surface cooler vacuum - HCBBS Forum
85. Acceptance criteria for high-pressure water gun cleaning - HCBBS Forum
86. What is used to measure liquid levels! - HCBBS Forum
87. [Control Valve] Calculation of the valve resistance ratio - HCBBS Forum
88. Sulfuric acid circulation pump - HCBBS Forum
89. Are the net positive suction head and effective net positive suction head on the pump sample the same concept? ? - HCBBS Forum
90. How should the management relationship be established between the project investor of a capital-prepaid turnkey project, who hires a project management firm, and the owner, who hires a supervision firm? - HCBBS Forum
91. Issues regarding bag filters for boiler flue gas - HCBBS Forum
92. 【Daily Topic】【Civil Engineering Version 20160531】 - HCBBS Forum
93. Pressure relief issue in the granulation workshop - HCBBS Forum
94. What is hydrocarbon hydrogenation? - HCBBS Forum
95. How can methanol and vinyl acetate be separated? - HCBBS Forum
96. How to prevent iron ion contamination when rolling stainless steel - HCBBS Forum
97. Seeking help with essential skills for hydrogenation plant instrumentation - HCBBS Forum
98. Fire hazard of starch - HCBBS Forum
99. On the design issues of siphon reboilers in EDRs - HCBBS Forum
100. Who makes AKO self-acting temperature control valves? - HCBBS Forum