English — Forum #337 (Page 92/163)

1. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190113 - HCBBS Forum
2. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190124 - HCBBS Forum
3. [Daily question] [Static Equipment Exchange Edition...Question 24] Multiple choice question on December 9, 2018...Participation will win prizes - HCBBS Forum
4. Question regarding the number of mixer blades - HCBBS Forum
5. I would like to ask about the standards related to hydraulic and airtightness tests for spherical tanks, atmospheric pressure tanks, and metal pipes - HCBBS Forum
6. [Daily Question] Basic Process Knowledge (True/False) 20190317 - HCBBS Forum
7. C5/C9 process design - HCBBS Forum
8. On the issue of increasing evaporation volume through triple-effect evaporation - HCBBS Forum
9. Condensate pump of the hot well - HCBBS Forum
10. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190202 - HCBBS Forum
11. Why does tar vacuum exhaust contain sulfur dioxide and carbon monoxide? - HCBBS Forum
12. May I ask whether plastic pipes or steel-lined pipes can also be classified according to the pressure pipe categories GC1, GC2, and GC3? - HCBBS Forum
13. Pressure rating of pure benzene vapor recovery line - HCBBS Forum
14. [Daily question] [Static equipment communication version...Question 41] Multiple choice question on February 10, 2019...Home and Happiness - HCBBS Forum
15. Are there any air and water drainage valves that can be installed directly on pipes? - HCBBS Forum
16. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190110 - HCBBS Forum
17. Is grounding also needed in seawater? - HCBBS Forum
18. What ions are contained in the wastewater resulting from stainless steel pickling? - HCBBS Forum
19. Can the iron powder reduction process still be used? - HCBBS Forum
20. 【Daily Question】 【AC Version for Static Equipment...Question 19】 January 19, 2019 – True/False Multiple Choice Question...Prosperity and Peace for All - HCBBS Forum
21. Temperature-Composition Table for Butane and Isobutane Mixtures at Certain Pressures, with a temperature range of 30 degrees to 80 degrees - HCBBS Forum
22. Seeking help with the dew point issue of purified air - HCBBS Forum
23. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190108 - HCBBS Forum
24. I’d like to ask what “closed” means - HCBBS Forum
25. 【Weekly Topic】【Static Equipment Discussion Forum...Question 1】 December 8-16, 2018...Discussion on welding deformation – HaiChuan Coin rewards - HCBBS Forum
26. 【Daily Question】 【AC Version for Static Equipment...Question 29】 January 29, 2019 – True/False Question...Wish you good luck - HCBBS Forum
27. Problems with the limiting frame - HCBBS Forum
28. Installation and use of steam traps - HCBBS Forum
29. Calculate the steam consumption for the reactor - HCBBS Forum
30. Is it necessary to carry out impermeabilization treatment on the ground of the ammonia tank area? If so, what methods are generally used? - HCBBS Forum
31. Regarding synthetic catalysts, their activity is affected to varying degrees after each start-up and shutdown during operation. - HCBBS Forum
32. What type of explosion-proof intercoms are used in chemical workshops? - HCBBS Forum
33. Thoughts on Reading “Chemical Process Design” II – Reactions - HCBBS Forum
34. [Daily Question] Basic Process Knowledge (True/False) 20190414 - HCBBS Forum
35. Which design institutes are involved in the process design for water-coal slurry? - HCBBS Forum
36. 【Daily Question】 【AC Version for Static Equipment...Question 32】 December 17, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
37. I would like to ask the experts: how is diesel and gasoline transported from ships onto storage tanks? - HCBBS Forum
38. Temperature control during cold operation of circulating water cooling - HCBBS Forum
39. What is the cause of the total blockage in the triethylaluminum pipeline? - HCBBS Forum
40. Which expert has information on solid phosgene? - HCBBS Forum
41. Explosion protection rating for chloroacetic acid vapor - HCBBS Forum
42. Does anyone have a graduation project template for synthesizing ammonium bicarbonate? - HCBBS Forum
43. 【Daily Question】 【AC Version for Static Equipment...Question 68】 March 9, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
44. [Daily Question] Basic Process Knowledge (True/False Questions) 20190408 - HCBBS Forum
45. Chemical engineering design: Pipeline and control valve layout - HCBBS Forum
46. The thermal conductive salt blind end is completely blocked; are the following methods feasible? - HCBBS Forum
47. 【Daily Question】 【AC Version for Static Equipment...Question 18】 December 3, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
48. Basic Process Knowledge (Multiple Choice) 20181218 - HCBBS Forum
49. Selection of methods for treating VOCs in exhaust gases - HCBBS Forum
50. Temperature adjustment of the steam generator - HCBBS Forum
51. How to determine the diameter and flow rate of saturated steam pipes? - HCBBS Forum
52. 【Daily Question】 【AC Version for Static Equipment...Question 14】 January 14, 2019 – True/False Question...A Bountiful Harvest - HCBBS Forum
53. Piping selection - HCBBS Forum
54. What instrument is used to monitor motor vibration? - HCBBS Forum
55. Selection of design temperature - HCBBS Forum
56. Fermentation Engineering - HCBBS Forum
57. May openings or sampling ports be provided on equipment or pipelines for flammable liquids? - HCBBS Forum
58. A set of 52 amazing TPM management PPTs! - HCBBS Forum
59. What is the flow rate of 1.4 kg of nitrogen rushing into a tank at atmospheric pressure? - HCBBS Forum
60. 【Daily Question】 【AC Version for Static Equipment...Question 37】 February 6, 2019 – True/False Question...A Happy Family - HCBBS Forum
61. Manhole on the bottle - HCBBS Forum
62. What do AG/UG mean in a PID diagram? - HCBBS Forum
63. 【Daily Question】 【AC Version for Static Equipment...Question 83】 March 24, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
64. What is the principle and function of an initial rainwater tank? - HCBBS Forum
65. Can this happen in a distillation system? - HCBBS Forum
66. How to reduce the hazards of power harmonics from variable-frequency power supplies and the protective structures involved - HCBBS Forum
67. There are many experts here. What does this pipeline notation mean? - HCBBS Forum
68. Must a pressure vessel be equipped with a safety valve? Which standard specifies it? - HCBBS Forum
69. Recommended detachable cold and heat protection - HCBBS Forum
70. May the discharge outlet of the safety valve for flammable and explosive liquids be connected to a sewer? ? What standards need to be met? - HCBBS Forum
71. I am working on a graduation project related to isopropylbenzene - HCBBS Forum
72. Problems with random packing and structured packing in the recondenser - HCBBS Forum
73. Add C after the pipe diameter in the pipeline number. What does 300C mean? - HCBBS Forum
74. Urgently need a design plan for 100 Wealth - HCBBS Forum
75. Can a sterilizing filter be installed in front of the breather valve? - HCBBS Forum
76. Coal-based MMA synthesis technology opens up a new route for coal chemical industry - HCBBS Forum
77. Four-stage flash evaporation for slag water treatment - HCBBS Forum
78. Which is more expensive, ethylene or acetylene? - HCBBS Forum
79. What conditions do process designers need to provide for automation in order to complete the PLC design? - HCBBS Forum
80. Circular process - HCBBS Forum
81. If the tank contains a Class A flammable liquid such as methanol, what is the fire hazard associated with this tank, and what are the preventive measures for other equipment and installations? - HCBBS Forum
82. Dear seniors, does anyone know whether the Yangba propionic acid production plant uses air oxidation or oxygen oxidation? Thank you! - HCBBS Forum
83. Books in English on membranes: Fundamentals of Membrane Science and Engineering - HCBBS Forum
84. [Daily Question] Basic Process Knowledge (True/False Questions) 20190428 - HCBBS Forum
85. Seeking assistance with the process design for the methanol shift unit - HCBBS Forum
86. Looking for information on industrial cleaning - HCBBS Forum
87. Cold quenching of the ethylene gasification equipment - HCBBS Forum
88. 【Daily Question】 【AC Version for Static Equipment...Question 57】 February 26, 2019 – Match the items...Everything is going well - HCBBS Forum
89. The necessity of installing safety valves in containers at atmospheric or negative pressure - HCBBS Forum
90. 3-chloropropynyl project - HCBBS Forum
91. Methods for dealing with oil layers in water! - HCBBS Forum
92. According to which standard is the pressure relief valve calculated? ? - HCBBS Forum
93. Wind balancing - HCBBS Forum
94. Calculation of required relief area of ​​breathing valve - HCBBS Forum
95. Study of extractants - HCBBS Forum
96. Regarding the low liquid level alarm caused by venting of the reactor liquid (process interlocks, alarm management) - HCBBS Forum
97. For equipment equipped with a stirrer, can the coil inside the equipment replace the baffle? - HCBBS Forum
98. Requesting Perry's Chemical Engineers' Handbook 9th Edition - HCBBS Forum
99. 【Daily Question】【AC Version for Static Equipment...Question 34】 December 19, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
100. Regarding aluminum alkyls - HCBBS Forum