English — Forum #723 (Page 514/642)

1. How does DCS start and stop pumps, and how does it indicate pump faults and operating status? - HCBBS Forum
2. Zhangjiagang ultrasonic crude oil desulfurization - HCBBS Forum
3. Dangers of excessive internal temperature in cranes and ways to address it - HCBBS Forum
4. What certificates can one obtain in chemical engineering and technology? - HCBBS Forum
5. 【Daily Question】Question from Issue 20150924 - HCBBS Forum
6. Double-flange level transmitter: large fluctuations - HCBBS Forum
7. Issues with the connection of the circulation fan in the coal powder preparation process! - HCBBS Forum
8. Discussion on the blackening of water from the atmospheric pressure tower top - HCBBS Forum
9. How to select the Aspen simulation model for gas methanation reactors? - HCBBS Forum
10. Xu Mining has recruited staff for olefins and styrene - HCBBS Forum
11. What are the requirements for inspection reports? - HCBBS Forum
12. What are the main aspects to focus on to prevent casualties? - HCBBS Forum
13. 【Daily Question】Test Issue 20150925 - HCBBS Forum
14. Optimal location for injecting corrosion inhibitor in atmospheric and vacuum distillation units - HCBBS Forum
15. Help... How is hydrogen sulfide formed in gas? - HCBBS Forum
16. Requirements for water vapor ratio control during system pressurization after the gasification furnace is started up - HCBBS Forum
17. Selection of rubber-lined valves for wastewater treatment plants - HCBBS Forum
18. “Haichuan Irrigation Co., Ltd. Convenience Store”: On the third day of National Day, let’s irrigate again first - HCBBS Forum
19. Cooling issues in low-temperature methanol washing - HCBBS Forum
20. Is the circulating water slow-release scale inhibitor provided by a **testing institution? - HCBBS Forum
21. Sign-in record post dated September 25, 2015 - HCBBS Forum
22. 1. Briefly describe how to use an air respirator? - HCBBS Forum
23. Daily Question 2015.10.1 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
24. Whether the pressure vessel falls under the jurisdiction of special equipment under the following conditions - HCBBS Forum
25. What are the structural features of large-capacity boiler drum? - HCBBS Forum
26. I would like to ask about the automation and cascade control of control valves - HCBBS Forum
27. May I ask if an air reservoir can be installed in the workshop? - HCBBS Forum
28. Choosing universities for postgraduate studies in chemical engineering at Northwest University and Zhengzhou University - HCBBS Forum
29. One Question per Day, September 28, 2015 - HCBBS Forum
30. What is environmental capacity? - HCBBS Forum
31. Lebanon is indeed delicate! Maybe Lebanon has a certain taste - HCBBS Forum
32. Machining Center 2 - HCBBS Forum
33. A question about double possessives - HCBBS Forum
34. I’m dying of worry - HCBBS Forum
35. Can mobile pressure vessels be connected to production facilities and used as fixed pressure vessels? - HCBBS Forum
36. Notice on the 2015 (4th) China Chemical Industry Industry-University-Research Summit Forum - HCBBS Forum
37. Is there no such thing as an exception according to the requirements of the fixed-volume regulation? Only regulated and unregulated? As long as it meets the capacity specifications, it belongs to category one - HCBBS Forum
38. I’m seeking recommendations from everyone for manufacturers of continuous reforming and regeneration system imported ball valves - HCBBS Forum
39. Issues regarding the shielded metal arc welding of the equipment cylinder - HCBBS Forum
40. My thoughts on the initial start-up, plant construction, technical upgrades and modifications, maintenance, as well as starting up and shutting down operations – please forgive my poor writing skills; I hope it can be improved - HCBBS Forum
41. There is an employee in the team who has just become a father. What should the team leader do? - HCBBS Forum
42. Request the operating procedures and startup plan for the C5.C6 light naphtha isomerization process. There is a generous reward; thanks - HCBBS Forum
43. Seeking CAD version for conical head - HCBBS Forum
44. 【Daily Question】2015.09.30 (2 wealth points for replying, plus 3–8 additional wealth points for a correct answer) - HCBBS Forum
45. Who gave the name Sun Wukong? - HCBBS Forum
46. Two liquid phases appear in the absorption tower during HYSYS simulation - HCBBS Forum
47. Acidic water parameters - HCBBS Forum
48. The hazards of water in kerosene - HCBBS Forum
49. How difficult is it to develop the process package for a project that requires investments in the hundreds of millions of yuan? - HCBBS Forum
50. Broken shaft of mechanical pump - HCBBS Forum
51. Selection of lifting platforms - HCBBS Forum
52. Regarding large petrochemical enterprises, what conditions are required to obtain a safety production license? What criteria must be met in order to be granted such a license? - HCBBS Forum
53. Comparison among the three common types of cranes in wind farms - HCBBS Forum
54. Distillation technology - HCBBS Forum
55. Control of oxygen content in atmospheric pressure furnaces - HCBBS Forum
56. Spray absorption pump pressure - HCBBS Forum
57. Application conditions for lethality analysis (CA) - HCBBS Forum
58. What are the reasons for the incorrect operation results of Aspen simulation for gas methanation? - HCBBS Forum
59. 70% sulfur treatment - HCBBS Forum
60. Pressure drop issues in gasoline hydrogenation reactors - HCBBS Forum
61. 【Daily Question】Chemical Engineering Principles 194: Gas Phase Mass Transfer Unit Height (October 6) - HCBBS Forum
62. Second grade, let’s celebrate! - HCBBS Forum
63. Regarding the issue of bolt compression force - HCBBS Forum
64. Chemical engineers to help - HCBBS Forum
65. Is a fitness expert abbreviated as “fitness person”? - HCBBS Forum
66. Can LNG flow by gravity into LNG tankers? - HCBBS Forum
67. 【Daily Question】10.5 Back +2； For +3~8 - HCBBS Forum
68. Sign-in record post dated September 27, 2015 - HCBBS Forum
69. Environmental Protection Daily Question 9.27: Participate for a prize; additional rewards for correct answers - HCBBS Forum
70. Regarding cyclohexathiophene - HCBBS Forum
71. Seeking assistance with Aspen Level 3 absorption tower simulation - HCBBS Forum
72. Following the verdicts in the series of pollution cases at the Tengger Industrial Park, journalists investigate whether industrial park pollution can be completely eradicated - HCBBS Forum
73. Types of outriggers for truck cranes and their characteristics - HCBBS Forum
74. Are there rewards for reporting posts? - HCBBS Forum
75. I had a fixed-term deposit at Haichuan Bank for several months, and the experience was pretty good~~ - HCBBS Forum
76. Joint Learning*925: +2 wealth for participation, +5 wealth for correct answers - HCBBS Forum
77. Technical assistance: Regarding storage tanks - HCBBS Forum
78. What are the basic types of transformations used in construction? - HCBBS Forum
79. Insulation of the steam main helps to reduce heat loss effectively - HCBBS Forum
80. Cleaning of tanks and vessels such as tar separators - HCBBS Forum
81. Dent in reactor internals - HCBBS Forum
82. I would appreciate it if colleagues who are currently working in this field could provide me with the data sheet for the quench water flow meter used in 6.5 Mpa water-coal slurry pressurized gasification - HCBBS Forum
83. The dew point does not decrease but increases during nitrogen purging - HCBBS Forum
84. 【Daily Question】Question from Issue 20151002 - HCBBS Forum
85. Seek corrosion-resistant pumps - HCBBS Forum
86. There are six main usage guidelines for crane steel ropes - HCBBS Forum
87. Issues regarding the explosion protection of motors - HCBBS Forum
88. Confusions regarding job applications at Zhejiang Zhongkong - HCBBS Forum
89. What are the contents of hazard identification? - HCBBS Forum
90. The contents of the \"three no-harms\" principle for safe production, as well as the contents of the \"three no-let-go\" principle; what should be done to implement the first two of these principles? - HCBBS Forum
91. How to deal with the acidic mist generated in salt acid storage tanks? - HCBBS Forum
92. Electrical professional title - HCBBS Forum
93. One post per day on occupational health - HCBBS Forum
94. How many passes are appropriate for welding the tank top plate at 6 millimeters? - HCBBS Forum
95. Regarding the insulation issue of hot oil pumps - HCBBS Forum
96. I need the installation dimensions of the Shanghai Kaiquan KQSN500-19/648 double-suction pump, as well as the shaft diameter and key dimensions of the pump - HCBBS Forum
97. Describe the biological nitrogen removal methods and processes, along with necessary explanations. - HCBBS Forum
98. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 180 - HCBBS Forum
99. What is the latest localized version of Aspen available at the moment? - HCBBS Forum
100. How to deal with excessive acidity in the alkali scrubber tower of VCM plants - HCBBS Forum