English — Forum #337 (Page 65/163)

1. What are the methods for removing chloride ions from water? - HCBBS Forum
2. Can an operation room be installed next to the liquid chlorine tank? - HCBBS Forum
3. Questions regarding pipeline-grade GC and SH - HCBBS Forum
4. What is the purpose of the nitrogen inlet on the fuel gas pipeline for water-coal slurry? - HCBBS Forum
5. Calculation problems related to evaporation - HCBBS Forum
6. Selection of distillation temperature and pressure - HCBBS Forum
7. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200225 - HCBBS Forum
8. Is the grade of propyl cyanohydrin IIA or IIB? - HCBBS Forum
9. Plan layout of chemical plants - HCBBS Forum
10. Discussion on the calculation of NOx processes in hazardous waste incinerators - HCBBS Forum
11. Loading of liquefied gas at low temperature - HCBBS Forum
12. Old K says every week – let’s talk about things in the petrochemical design industry. Post 1: The development history of China’s survey and design industry - HCBBS Forum
13. Can you please show me what the liquid level is in the design drawings? - HCBBS Forum
14. Source of the regulation prohibiting external vehicles from loading, unloading, and storing goods in Class A workshops - HCBBS Forum
15. Liquid-liquid separator design - HCBBS Forum
16. Once, a substance similar to free chlorine appeared in the saline and electrolysis system (the exact nature has not yet been determined) - HCBBS Forum
17. Qualified exhaust gas treatment - HCBBS Forum
18. What are the specific components of tar? How should it be handled in water? - HCBBS Forum
19. Information related to isooctanoic acid - HCBBS Forum
20. The problem of liquid expansion energy - HCBBS Forum
21. What is the difference between regulations, procedures, and standards? - HCBBS Forum
22. [Daily Question] Basic Process Knowledge (True/False) 20191114 - HCBBS Forum
23. I can’t understand some of the pipe fittings in the PID diagram - HCBBS Forum
24. Basic knowledge of hydraulic technology - HCBBS Forum
25. How to determine if there is grease in an oxygen cylinder? - HCBBS Forum
26. What types of storage tanks are prohibited from being buried? - HCBBS Forum
27. The hydrolysis of methyltrichlorosilane produces a large amount of foam - HCBBS Forum
28. Which type of carburizer is generally most effective for casting? - HCBBS Forum
29. Compilation of process design packages for petroleum refining and chemical plants - HCBBS Forum
30. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200213 - HCBBS Forum
31. Sulfur recovery - HCBBS Forum
32. What’s the issue with the spacing between concentrated sulfuric acid storage tanks? - HCBBS Forum
33. How does the chain reaction get triggered? - HCBBS Forum
34. Flammable media, direct electric heating, the issue of gasification in pipelines - HCBBS Forum
35. May I ask whether the automatic control program does not allow remote automatic pump startup? Are there any regulations? - HCBBS Forum
36. Polymer synthesis processes in the petrochemical industry - HCBBS Forum
37. Help with steam condensate pipe piping problems behind the trap - HCBBS Forum
38. Standards for drafting operating procedures - HCBBS Forum
39. Discussion on the layout design of flame and gas detectors - HCBBS Forum
40. I’d like to ask what material this is made of - HCBBS Forum
41. [Daily Question] Basic Process Knowledge (Multiple Choice) 20191229 - HCBBS Forum
42. Qualified operation of the air separation unit during the first eight hours of argon introduction in a cold state - HCBBS Forum
43. The pressure vessel is equipped with a safety valve port, but the equipment manufacturer says that this port should be converted into a spare port - HCBBS Forum
44. Reduce the ammonia nitrogen content in the wastewater stripped and purified water - HCBBS Forum
45. Causes of blockages in air transport pipelines - HCBBS Forum
46. Sampling of solid-liquid mixtures - HCBBS Forum
47. Craft District November 2019 Wealth Reward Distribution Poster - HCBBS Forum
48. Calculation method for the safe discharge capacity of filtration equipment - HCBBS Forum
49. [Daily Question] Basic Process Knowledge (True/False Questions) 20191110 - HCBBS Forum
50. With vacuum insulation, at the same vacuum level, is the insulation effect the same whether pumping continuously or intermittently? - HCBBS Forum
51. Sponge feeding - HCBBS Forum
52. What is the typical concentration for alkali sterilization? - HCBBS Forum
53. Environmental impact assessment report for the PBS/PBAT project of Shandong Yuetai Bio-New Materials? The EIA report for PBS/PBAT of Shandong Huiying New Materials? - HCBBS Forum
54. Is the shutdown delay of the pressure swing adsorption programmable valve (hydraulically driven) affected by temperature? - HCBBS Forum
55. Issues with evaporative seal water tanks - HCBBS Forum
56. [Daily Question] Basic Process Knowledge (True/False: Fill in “√” for correct and “×” for incorrect) May 12, 2020 - HCBBS Forum
57. How to prepare a pure hypochlorous acid solution - HCBBS Forum
58. Gentlemen, please check whether ball valves are installed at the feed inlet of the horizontal tank - HCBBS Forum
59. Carbon nanotube production - HCBBS Forum
60. Safe distance between sources of highly toxic gas leaks and crowded places - HCBBS Forum
61. Design issues for a small-scale fixed-bed catalyst evaluation apparatus. - HCBBS Forum
62. What about toxicity? - HCBBS Forum
63. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200101 - HCBBS Forum
64. What is the main direction for coal chemical industry in the future? - HCBBS Forum
65. Induction fan operation - HCBBS Forum
66. The wastewater treatment plant needs to install a powder activated carbon dosing system – does the powder activated carbon itself need to be explosion-proof? - HCBBS Forum
67. What is the difference between a pump’s inlet filter and an outlet filter? It can be said that the inlet is designed to protect the pump, while the outlet is required by the process... - HCBBS Forum
68. Seeking help with a bachelor’s thesis on water-based polyurethanes - HCBBS Forum
69. [Daily Question] Basic Process Knowledge (True/False Questions) 201912 18 - HCBBS Forum
70. Looking for the electronic version of the book on technological innovations in titanium dioxide production using the sulfuric acid method - HCBBS Forum
71. Polyether polyols - HCBBS Forum
72. What are the common functions of boat-shaped switches? - HCBBS Forum
73. [Daily Question] Basic Process Knowledge (True/False Questions) 20191220 - HCBBS Forum
74. Back pressure valve installed in series - HCBBS Forum
75. Calculation of wall thickness for buried water supply, drainage, and fire protection pipelines? - HCBBS Forum
76. Could that person please provide a price list for steam per ton at different pressures in the power plant? Thank you - HCBBS Forum
77. Which expert knows why the bottom of a vertical tank is designed in this way - HCBBS Forum
78. Activated carbon - HCBBS Forum
79. Problems with the completion drawings provided by the construction contractor - HCBBS Forum
80. Can the discharge temperature of a storage tank’s safety valve exceed the tank’s design temperature? - HCBBS Forum
81. What is the flow rate limit for phosgene? - HCBBS Forum
82. Dehydrogenation of isopentane to isoprene - HCBBS Forum
83. Leakage occurred in the organic base solution reboiler after about 2 years - HCBBS Forum
84. Why must the oxygen purging nitrogen pipeline after shutting down the gasification process be connected to the top of the pipeline? - HCBBS Forum
85. Desulfurization and denitration: complete set of calculation tables - HCBBS Forum
86. Methylation reaction - HCBBS Forum
87. [Daily Question] Basic Process Knowledge (True/False: Fill in “√” for correct and “×” for incorrect) 2020.5.21 - HCBBS Forum
88. Can the digestant used to measure COD be prepared by oneself? - HCBBS Forum
89. Help request: Cleaning of heat exchange tubes - HCBBS Forum
90. The most comprehensive checklist for reviewing 3D models of chemical plants - HCBBS Forum
91. Gas separation unit - HCBBS Forum
92. Looking for recommendations for companies or firms that specialize in designing comprehensive MDEA desulfurization solutions - HCBBS Forum
93. Academic materials on thermal coupling - HCBBS Forum
94. [Daily Question] Basic Process Knowledge (True/False) 20191127 - HCBBS Forum
95. Issues regarding the pressure of natural gas condensate storage tanks - HCBBS Forum
96. Purging of the Rums propane dehydrogenation expansion joint, issue with catalyst reduction. - HCBBS Forum
97. [Daily Question] Basic Process Knowledge (Multiple Choice) 2020.6.3 - HCBBS Forum
98. Using hot flue gas as heat source, help in designing ammonia evaporator - HCBBS Forum
99. Seeking advice on flash tank design issues - HCBBS Forum
100. Principles and advantages of the [Kraus process for sulfur recovery] - HCBBS Forum