English — Forum #336 (Page 26/51)

1. Why are there differences in the water quality parameters for feedwater between GB/T12145 and GB/T1576-2018? - HCBBS Forum
2. Can the produced and purified butanol be sold as a by-product? - HCBBS Forum
3. “Informatization of the chemical industry in the context of “Internet+” - HCBBS Forum
4. Chain design materials - HCBBS Forum
5. What should one learn in central control? I’m confused - HCBBS Forum
6. Table of reactor types and characteristics - HCBBS Forum
7. What knowledge do chemical process engineers need to master? - HCBBS Forum
8. What is the specific heat capacity (Kcal/kg·℃) of light benzene vapor/oil-rich mixture at (≤100℃)? ? - HCBBS Forum
9. Are devices such as fire water tanks and fire pumps required to be shown on the equipment layout diagram for the process industry? - HCBBS Forum
10. Relationship between pipe diameter determination and flow velocity and flow rate - HCBBS Forum
11. Design of oil and gas skid-mounted units - HCBBS Forum
12. Ask for help - HCBBS Forum
13. Do you know anything about phenol? - HCBBS Forum
14. 【Daily Question】Theoretical Foundation 2021.1.05 - HCBBS Forum
15. What is the hazardous chemical trichlorosilane? You need to understand these - HCBBS Forum
16. Which companies in China do a relatively good job in treating VOCs using the activated carbon adsorption/desorption method? - HCBBS Forum
17. Determination of pipe wall thickness - HCBBS Forum
18. Maleic Anhydride Design Company - HCBBS Forum
19. Several technical requirements for centrifuges in the pharmaceutical industry - HCBBS Forum
20. Must the liquefied hydrocarbon spherical tank in a refinery be equipped with a low liquid level alarm interlock to cut off the outlet valve? - HCBBS Forum
21. 【Daily Question】Theoretical Foundation 2021.1.28 - HCBBS Forum
22. What is the difference between low-temperature dehydration and high-temperature dehydration in the crude benzene system? - HCBBS Forum
23. Question: Which are the better manufacturers in China for ground torches? Thank you! - HCBBS Forum
24. Boiler process design - HCBBS Forum
25. 【Daily Question】Theoretical Foundation 2020.08.20 - HCBBS Forum
26. What reactions occur when chlorine is introduced into chlorosilanes? What are the products? What conditions or operating parameters are required? - HCBBS Forum
27. 【Daily Question】Theoretical Foundation 2021.1.11 - HCBBS Forum
28. How to respond in an emergency in the event of a hazardous chemicals accident? - HCBBS Forum
29. 【Daily Question】Theoretical Foundation 2020.12.21 - HCBBS Forum
30. [Daily Question] Theoretical Basis 2020.05.02 - HCBBS Forum
31. Promotion of the Guidelines for Safety Design Management of Chemical Engineering Construction Projects (AQ/T 3033-2022) and Preparation of the Special Section on Safety Facility Design - HCBBS Forum
32. 【Daily Question】Theoretical Foundation 2020.11.07 - HCBBS Forum
33. On the impact of roof equipment in fine chemical workshops on building height - HCBBS Forum
34. Online analysis for natural gas transmission - HCBBS Forum
35. 【Daily Question】Theoretical Foundation 2021.1.15 - HCBBS Forum
36. 【Daily Question】Theoretical Foundation 2020.06.05 - HCBBS Forum
37. For NaOH alkaline desulfurization, what criteria are used to update the waste liquid? - HCBBS Forum
38. Can an acetylene gas explosion-proof cabinet be placed inside a Class D workshop? - HCBBS Forum
39. Aspen installation issues - HCBBS Forum
40. I’m looking for a recommendation for an engineering design company with experience in carbon-ammonia process design - HCBBS Forum
41. Air compressor, air-water separation tank - HCBBS Forum
42. Definition of substances with a low ignition point - HCBBS Forum
43. L-Ascorbyl palmitate - HCBBS Forum
44. Correlation between steam grade and power - HCBBS Forum
45. Pipes with temperature difference - HCBBS Forum
46. Can lightweight sandwich panel walls be used as firewalls? - HCBBS Forum
47. Problems encountered in calculating the relief volume of safety valves are welcome to discuss - HCBBS Forum
48. Original by HaiChuan! Wall chart of the chemical industry chain! - HCBBS Forum
49. Why do impurities reduce the corrosion resistance of metals? - HCBBS Forum
50. Flow rate issue - HCBBS Forum
51. Can the area of Class A and B factories and warehouses double after installing sprinkler systems? - HCBBS Forum
52. 【Daily Question】Theoretical Foundation 2020.07.28 - HCBBS Forum
53. Personally, I think corrosion is closely related to safety standards, while it has little to do with costs - HCBBS Forum
54. Attention! Shandong makes thorough efforts to carry out special rectifications for the safe production of hazardous chemicals and other such items - HCBBS Forum
55. 【Daily Question】Theoretical Foundation 2020.08.10 - HCBBS Forum
56. Old K’s Weekly Talks – Stories from the petrochemical design industry. Post No. 59: Evergrande’s collapse – what are the underlying reasons? - HCBBS Forum
57. Cost of pipeline threading work - HCBBS Forum
58. 【Daily Question】Theoretical Foundation 2021.1.17 - HCBBS Forum
59. Composition of pipeline numbers - HCBBS Forum
60. Negative deviation issue of cylinder thickness - HCBBS Forum
61. Seeking advice on the design of water storage capacity for production reservoirs - HCBBS Forum
62. 【Daily Question】Theoretical Foundation 2020.07.20 - HCBBS Forum
63. Announcement of the Results for the 2021 Hou Debang Chemical Science and Technology Award - HCBBS Forum
64. [Daily Question] Theoretical Basis 2021.02.06 - HCBBS Forum
65. Requirements for straight pipe sections before and after the flow meter - HCBBS Forum
66. Location of the fire control room and central control room - HCBBS Forum
67. Spot inspection of pressure pipeline design - HCBBS Forum
68. Methanol-to-hydrogen decarbonization process - HCBBS Forum
69. Material selection in liquid chlorine media - HCBBS Forum
70. Can a hot-water/cold-water heat exchanger for heating be used for steam-cold-water heat exchange? - HCBBS Forum
71. 20 cubic meters of liquefied petroleum gas - HCBBS Forum
72. Software for querying the physical properties of organic substances, such as specific heat capacity - HCBBS Forum
73. Recycle expired and obsolete chemical raw materials, auxiliaries, and additives - HCBBS Forum
74. Which expert can provide the industrial design documents for bromine production via the acid method? - HCBBS Forum
75. [Daily Question] Theoretical Basis 2021.02.07 - HCBBS Forum
76. 【Daily Question】Theoretical Foundation 2020.09.03 - HCBBS Forum
77. 【Daily Question】Theoretical Foundation 2020.09.23 - HCBBS Forum
78. 【Daily Question】Theoretical Foundation 2020.06.30 - HCBBS Forum
79. The current at the outlet when starting the magnetic pump is normal, but there is an overcurrent at the outlet. What could be the reason? Please advise, thanks - HCBBS Forum
80. Chemical plant accidents occur frequently – do you know how to prevent them? Read this article - HCBBS Forum
81. What gasket should be used for the local pressure gauge connection on the oxygen pipeline? - HCBBS Forum
82. A beginner in design seeking help. - HCBBS Forum
83. fire separation distance - HCBBS Forum
84. What theoretical knowledge do non-chemical industry professionals need to have in order to work in chemical production? - HCBBS Forum
85. Issues related to the supercritical temperature and pressure of gases - HCBBS Forum
86. 【Daily Question】Theoretical Foundation 2020.12.06 - HCBBS Forum
87. Alarm, I’m a beginner - HCBBS Forum
88. Questions about the pipeline oiling area calculation table - HCBBS Forum
89. I want to learn *chemical engineering design; could anyone recommend a systematic way to do so? - HCBBS Forum
90. Chromatography column - HCBBS Forum
91. Cassali ammonia synthesis process flow diagram - HCBBS Forum
92. 【Daily Question】Theoretical Foundation 2020.11.13 - HCBBS Forum
93. For high-temperature ceramic particle heat storage tanks, which companies are capable of carrying out the related design and manufacturing? - HCBBS Forum
94. Is the flow rate the same when oxygen at a constant temperature and pressure is divided and fed into pipes of the same diameter? - HCBBS Forum
95. Height of fire dike for above-ground storage tanks of liquefied hydrocarbons, flammable gases, and oxidizing gases - HCBBS Forum
96. GBT 32857-2016 Guidelines for the Application of Protective Layer Analysis (LOPA) - HCBBS Forum
97. Calculation of steam pipe diameter - HCBBS Forum
98. I’d like to ask everyone about balance tube issues - HCBBS Forum
99. GPSA - Engineering Data Book 13th Ed SI 2012 Gas Processing Engineering Data Manual - HCBBS Forum
100. The maximum allowable floor area per fire compartment in the clean room should be considered - HCBBS Forum