English — Forum #723 (Page 544/642)

1. Folded conical head design - HCBBS Forum
2. Alkylated sulfuric acid consumption - HCBBS Forum
3. What is the typical level of solid content that should be controlled in the treatment of graywater before it is sent to wastewater treatment facilities? - HCBBS Forum
4. Look for chemical engineering design firms in the Jiangsu and Zhejiang regions. - HCBBS Forum
5. A multimeter cannot measure the 2W SIM current indicated in the Fluke 744 in source mode - HCBBS Forum
6. Chemical Engineering in Daily Life – Question 36: What are the highest temperature and pressure inside your pressure cooker? Standard answer already exists - HCBBS Forum
7. How to handle salt solutions containing sodium phenolate? ? - HCBBS Forum
8. 【Daily Question】August 21, Multiple Choice: Tower Support (2 wealth points for a reply + additional 3–8 wealth points for a correct answer) - HCBBS Forum
9. I have a question regarding steam turbines; I hope experts can provide answers. Thank you in advance - HCBBS Forum
10. Daily Question 2015.8.27 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
11. Career planning in the chemical industry - HCBBS Forum
12. What chemicals can be produced using hexachlorobutadiene as a raw material? - HCBBS Forum
13. EGSB has no removal rate, but the gas production volume is normal - HCBBS Forum
14. Is the search function not working properly right now? - HCBBS Forum
15. Chemical equipment - HCBBS Forum
16. Regarding the definition of yield, I seek answers from experts - HCBBS Forum
17. Regarding cascade, feedforward, and feedback - HCBBS Forum
18. How are the open, close, and stop buttons for the electric valve implemented on-site? - HCBBS Forum
19. Regarding the virtual components of Aspen Oil - HCBBS Forum
20. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 150 - HCBBS Forum
21. Chemical Engineering in Daily Life – Question 34: When cooking dumplings, should you remove the lid to cook the filling or keep it on to cook the noodles? Standard answer already available - HCBBS Forum
22. When performing a hydrostatic test on a vertical container placed horizontally, how should the test pressure be entered in the calculation sheet? - HCBBS Forum
23. What are some relevant websites for the sulfuric acid industry? - HCBBS Forum
24. Looking for experts in sludge treatment - HCBBS Forum
25. Vacation is over! Going to work....... - HCBBS Forum
26. Is it better to use steam or electric heating to heat hydrogen to 150 degrees? Can 1MPa saturated steam be used for this purpose? - HCBBS Forum
27. What are the operating pressure and temperature of a thermal deaerator? - HCBBS Forum
28. The first batch of compressors equipped with 180KW@20krpm high-speed motors is about to be delivered. - HCBBS Forum
29. 【Daily Question】Question for Issue 20150828 - HCBBS Forum
30. Plate heat exchanger leakage detection methods - HCBBS Forum
31. When you have some free time, look up - HCBBS Forum
32. Shandong Runxing produces adiponitrile – is it technology developed in-house? - HCBBS Forum
33. Request for various condition tables in CAD format from the design institute - HCBBS Forum
34. Talk about the various “brothers” in the factory” - HCBBS Forum
35. Which designs for oil refining enterprises need to be carried out by professional design firms or individuals with design qualifications? - HCBBS Forum
36. What materials are used for the acid vapor stripping towers and the reboilers of the amine solution regeneration towers in various factories? - HCBBS Forum
37. Questions regarding the charging standards for installation project quotas - HCBBS Forum
38. The power wave overflow weir is clogged – how to clean it? - HCBBS Forum
39. Utilization of chlorosilane high-boiling compounds - HCBBS Forum
40. By using steam on the inside of the tubes and the material to be processed on the outside in a tubular heat exchanger, can scaling and crystallization be prevented? - HCBBS Forum
41. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 289 - HCBBS Forum
42. Difference between demulsifiers and reverse-phase demulsifiers - HCBBS Forum
43. Are there any standard specifications for the design of air separation units in the EU? - HCBBS Forum
44. Experts, are there any special features regarding high-pressure water phosphorus removal valves? - HCBBS Forum
45. Under what circumstances does a crane require major repairs? - HCBBS Forum
46. The flow rate is unstable at a pressure of 0.03 Mpa. The check valve makes a clicking sound. What should I do? - HCBBS Forum
47. If the wife argues with her husband and goes to her mother-in-law to complain, what would your mother-in-law say? - HCBBS Forum
48. How to use housing provident funds from another province to buy a house in Chengdu - HCBBS Forum
49. Yitailong'er (UID: 567846) has been appointed as the head of the Petrochemical Region - HCBBS Forum
50. The registration certificate was lost by the company; what should be done? - HCBBS Forum
51. What kind of problems are commonly encountered in the working oil circuit of cranes? - HCBBS Forum
52. Online crude oil water content analyzer - HCBBS Forum
53. Boiler Foundation Questions 4: Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
54. Dampener pressure drop - HCBBS Forum
55. BL-W102 integrated temperature transmitter - HCBBS Forum
56. How to understand the specific consumption per unit of ice production? - HCBBS Forum
57. How to recover dichloromethane by vacuum distillation - HCBBS Forum
58. Could you talk about using HAZOP for the analysis of process nodes? Then, the node division in HAZOP analysis is a bit difficult. . . - HCBBS Forum
59. On the calculation of the leakage rate in coke ovens - HCBBS Forum
60. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 154 - HCBBS Forum
61. How to remove graphite from inside the riser tube - HCBBS Forum
62. Remote diagnosis and troubleshooting of Siemens S7-300 - HCBBS Forum
63. Problems with centrifugal fans, experts please help - HCBBS Forum
64. Finished second in the third sprint - HCBBS Forum
65. One Question per Day, August 25, 2015 - HCBBS Forum
66. Diesel hydrodesulfurization catalyst - HCBBS Forum
67. Does the eccentric shaft of the coal pulverization pressurized gasification furnace experience difficulty in rotating due to thermal expansion? Which manufacturer’s grate is preferable? - HCBBS Forum
68. Principles and applications of output deviation control - HCBBS Forum
69. What is a steam pipeline? Inspection ratio? - HCBBS Forum
70. Piping purging - HCBBS Forum
71. Images of insulating chemical plant valves and flanges after startup - HCBBS Forum
72. What should we do in the current situation of a sluggish market? - HCBBS Forum
73. Should the hydrostatic test value be rounded? - HCBBS Forum
74. How to check whether the stress-relief heat treatment has been carried out successfully - HCBBS Forum
75. Analysis of the internal structure of antibiotic stop valves - HCBBS Forum
76. Accident Handling 23: What are the hazards of insufficient fluidization air at the bottom of the return feeder in a circulating fluidized bed boiler? - HCBBS Forum
77. Sign-in record post from August 30, 2015 - HCBBS Forum
78. Chemical Engineering in Daily Life – Question 53: When eating the same amount of wontons and rice noodles, which one can be eaten faster? - HCBBS Forum
79. What are the steps to take after a leak in the oil transfer line of a vacuum distillation tower? - HCBBS Forum
80. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 158 - HCBBS Forum
81. Operation of the film-evaporation evaporator - HCBBS Forum
82. Seeking assistance with the installation of the shut-off valve at the main rainwater discharge outlet in the factory area, along with relevant pictures - HCBBS Forum
83. “The Kaisuan Irrigation Co., Ltd. Shop” finally learned the Song of the Five Rings - HCBBS Forum
84. Friends, what are the operating standards for electric tar collectors? What voltage and current are required? - HCBBS Forum
85. 【Daily Question】Question from Issue 20150825 - HCBBS Forum
86. FMTA route - HCBBS Forum
87. 【2-year rookie】I want to switch from pipeline work to process engineering – is there any chance? - HCBBS Forum
88. Is it not required to close the main valve for the tank root? Urgent! Urgent! Urgent! - HCBBS Forum
89. Can blackening treatment withstand high temperatures of 500 degrees? - HCBBS Forum
90. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 156 - HCBBS Forum
91. Pump – Selection – NPSH of the unit - HCBBS Forum
92. Daily Question 2015.8.21 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
93. 【Daily Question】Question from Issue 20150831 - HCBBS Forum
94. The issue of blocked outlet pipeline in reciprocating pumps - HCBBS Forum
95. 【Daily Question】Principles of Chemical Engineering 155: Extraction Solvents (August 28) - HCBBS Forum
96. Interlock issue between liquid ammonia alarm and spraying device - HCBBS Forum
97. There is a small amount of NH4Cl in the chlorobenzene solution; how can it be removed? ? - HCBBS Forum
98. Function of installing a breather valve in the heat exchanger return pipeline - HCBBS Forum
99. Pressure Vessel Design Review Training - HCBBS Forum
100. Everyone in the methanol community, please help out - HCBBS Forum