English — Forum #337 (Page 89/163)

1. Wind pressure of the fan in the exhaust gas absorption unit - HCBBS Forum
2. [Daily Question] Basic Process Knowledge (True/False Questions) 20190420 - HCBBS Forum
3. Is the principle of energy savings through natural gas reasonable? - HCBBS Forum
4. Pressure design issues in the torch area - HCBBS Forum
5. 【Daily Question】 【AC Version for Static Equipment...Question 22】 December 7, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
6. Basic Process Knowledge (Multiple Choice) 20181225 - HCBBS Forum
7. Procedures required when the storage medium in an internal floating roof tank changes - HCBBS Forum
8. The boiling point of hydrogen? - HCBBS Forum
9. 【Daily Question】 【AC Version for Static Equipment...Question 27】 December 12, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
10. Flocculant for flue gas desulfurization wastewater in catalytic cracking - HCBBS Forum
11. 【Daily Question】 【AC Version for Static Equipment...Question 103】 April 13, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
12. What does the red circle represent? Where is it connected to the pump? Also, what does W represent? - HCBBS Forum
13. Why is the hypochlorination reaction of phosphorus trichloride carried out by first cooling and then heating? - HCBBS Forum
14. Questions about chemical engineering design?_?? - HCBBS Forum
15. Free materials ready to use | Special topic on high-risk projects: PPT for specialized safety training for formwork workers - HCBBS Forum
16. Seeking guidance from the supervisor regarding import and export volume issues - HCBBS Forum
17. 【Daily Question】 【AC Version for Static Equipment...Question 77】 March 18, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
18. Are intermediate tanks for Class C liquids required to meet such high standards? What to do with the intermediate tanks for Class A and B liquids? - HCBBS Forum
19. Which ores appear red in color? - HCBBS Forum
20. Aspen is seeking help - HCBBS Forum
21. How to calculate the heat exchange area of a liquid chlorine vaporizer - HCBBS Forum
22. Overview of “Basic Knowledge of Magnetic Pumps, Metering Pumps, and Screw Pumps”.ppt - HCBBS Forum
23. Why is it said that vacuum conveying easily generates static electricity? - HCBBS Forum
24. aspen plus - HCBBS Forum
25. Original startup purging and blasting of the device - HCBBS Forum
26. Several media share one pipeline – what is the media code? - HCBBS Forum
27. Maximum closing pressure difference of the valve - HCBBS Forum
28. In the PID, should the flanges, threads, and whether a short pipe is needed be indicated? - HCBBS Forum
29. Regarding the DN1800 quick shut-off valve for synthetic ammonia semi-water gas - HCBBS Forum
30. How to remove chloride ions from circulating water - HCBBS Forum
31. [Daily question] [Static Equipment Exchange Edition...Question 18] Multiple choice question on January 18, 2019...Good luck every year - HCBBS Forum
32. Set pressure of safety valve for liquid ammonia spherical tank - HCBBS Forum
33. How to calculate the size of a hydrophobic tank - HCBBS Forum
34. 【Daily Question】 【AC Version for Static Equipment...Question 43】 December 28, 2018 – True/False Multiple Choice Question...Welcome the New Year - HCBBS Forum
35. Law of conservation of energy - HCBBS Forum
36. There is a severe shortage of talent in the oil and chemical industries - HCBBS Forum
37. Design requirements - HCBBS Forum
38. Do Class A and B flammable liquid storage tanks necessarily require nitrogen blanketing? May I ask which standard and which clause it comes from? - HCBBS Forum
39. PID - HCBBS Forum
40. Are there safety valves with a steel lining? - HCBBS Forum
41. Dynamic process of the cracking furnace in an ethylene plant - HCBBS Forum
42. Is it necessary to install a check valve at the outlet of a pneumatic diaphragm pump? - HCBBS Forum
43. I want to design a wastewater treatment plant and would appreciate some suggestions regarding the processes involved. Thank you! - HCBBS Forum
44. Buried pipe venting and pressure holding. - HCBBS Forum
45. Tank roof opening - HCBBS Forum
46. Refined oil pipeline flow rate - HCBBS Forum
47. Do both the guide support and the maximum span support for the pipeline need to be installed? What is the difference? - HCBBS Forum
48. Add an ester extract sampling port - HCBBS Forum
49. [Daily Question] Basic Process Knowledge (True/False Questions) 20190319 - HCBBS Forum
50. [Daily Question] Basic Process Knowledge (True/False Questions) 20190417 - HCBBS Forum
51. A zinc sulfate monohydrate project abroad - HCBBS Forum
52. [Daily Question] Basic Process Knowledge (True/False) 20190416 - HCBBS Forum
53. Calculation of the operating back pressure for safety valves - HCBBS Forum
54. Does liquefied natural gas comply with petrochemical standards? - HCBBS Forum
55. Seeking advice on chemical engineering projects: Can one unit produce two different products from various raw materials? - HCBBS Forum
56. Self-control rate - HCBBS Forum
57. What do the top 10 certificates of 2018 look like? ? ? - HCBBS Forum
58. Does the crushing room need to have an explosion-proof compartment along with other rooms? - HCBBS Forum
59. It’s very intuitive and practical - HCBBS Forum
60. There is a requirement in equipment manufacturing: the inner surface must be smooth, with a Ra value of 0.7. What does Ra mean? - HCBBS Forum
61. Larger equipment lifting at PMB aromatics plant in Brunei - HCBBS Forum
62. gb/t20801-2006 - HCBBS Forum
63. Which English book on chemical engineering is the most comprehensive and good? - HCBBS Forum
64. Electrical fire monitoring system design diagram - HCBBS Forum
65. I don’t know how to make such a device, please help me. - HCBBS Forum
66. Thermit welding, is that it? - HCBBS Forum
67. Centrifugal pump head problem - HCBBS Forum
68. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190211 - HCBBS Forum
69. 【Daily Question】 【AC Version for Static Equipment...Question 13】 November 27, 2018 – True/False Multiple Choice...Prizes available for participation.... - HCBBS Forum
70. What is the difference between trial production and full-scale production? - HCBBS Forum
71. Advanced defluorination processes, defluorination materials, defluorination technologies. - HCBBS Forum
72. CO conversion unit - HCBBS Forum
73. About solid sulfuric acid - HCBBS Forum
74. Simulation of methanol-to-hydrogen reaction - HCBBS Forum
75. 【Daily Question】 【AC Version for Static Equipment...Question 45】 December 30, 2018 – True/False Multiple Choice... Happy New Year - HCBBS Forum
76. Equipment rust removal - HCBBS Forum
77. 【Daily Question】 【AC Version for Static Equipment...Question 117】 April 27, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
78. Types of floor installations in gas areas - HCBBS Forum
79. Legend for centrifugal pumps - HCBBS Forum
80. Current status of domestic long-distance carbon dioxide pipelines - HCBBS Forum
81. What precautions should be taken for the feeding and discharging of Reney nickel catalysts? - HCBBS Forum
82. Standard - HCBBS Forum
83. If the area of the heat exchanger is much larger than what is actually required, will the heat exchange efficiency **decrease**? Why? - HCBBS Forum
84. Is there a new version of SH3136-2003 \"Code for Safety Design of Spherical Storage Tanks for Liquefied Hydrocarbons\"? - HCBBS Forum
85. 【Daily Question】 【AC Version for Static Equipment...Question 101】 April 11, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
86. How should the manual button for the cut-off valve in the tank area be set? - HCBBS Forum
87. How to choose the fire resistance rating of a building? - HCBBS Forum
88. Problems with the combined acid water stripping and catalytic unit - HCBBS Forum
89. Seeking advice on low-temperature methanol washing - HCBBS Forum
90. The set temperature for heating water with steam on-site is 30°C; after adjusting the steam control valve to 100% opening, it is set to 30°C - HCBBS Forum
91. Please ask an expert to help with questions regarding process flow diagrams - HCBBS Forum
92. The ultraviolet lamps used in the photochlorination reaction have weak performance and a short lifespan - HCBBS Forum
93. May I have only the PID diagram and the layout plan, without piping details? The PID includes pressure pipelines, but the qualification required is level B for environmental protection work; there are no pressure pipelines involved... - HCBBS Forum
94. 【Daily Question】 【AC Version for Static Equipment...Question 19】 December 4, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
95. 【Daily Question】 【AC Version for Static Equipment...Question 29】 December 14, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
96. [Daily question] [Static Equipment Exchange Edition...Question 07] Multiple choice question on January 7, 2019...Smooth sailing - HCBBS Forum
97. Strategic Positioning by 2030 — An Analysis of the Logic and Prospects Behind the Rapid Growth of the Hydrogen Energy Industry - HCBBS Forum
98. [Daily Question] Basic Process Knowledge (True/False Questions) 20190323 - HCBBS Forum
99. communicating pipe - HCBBS Forum
100. Removing iron from hematite - HCBBS Forum