English — Forum #723 (Page 638/642)

1. What material for the heat exchange tubes? - HCBBS Forum
2. Catalytic compressed rich gas cooler - HCBBS Forum
3. NICE DAY! - HCBBS Forum
4. Where do the binary interaction parameters in Aspen come from? - HCBBS Forum
5. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 64 - HCBBS Forum
6. Discussion on reclaimed water reuse - HCBBS Forum
7. Discussion on the importance of the repair fitter role - HCBBS Forum
8. Cuptower packed tower design - HCBBS Forum
9. Analysis of the sulfuric acid market trends from June 1 to 5 - HCBBS Forum
10. 【Daily Question】June 12: Reasons for excessive outlet pressure in Roots blowers (First 80 participants + 2 correct answers earn an additional 3–8 wealth points) - HCBBS Forum
11. Request for selection of pump type - HCBBS Forum
12. Home Edition Debate Thread No. 26: Tattoos – Should one get them? - HCBBS Forum
13. 【Serial】The Growth Story of a Chemical Engineering Designer - 42 - HCBBS Forum
14. Regarding the issue of periodic vibration in the water ring pump used for hydrogen extraction - HCBBS Forum
15. How are the control valves of Shanghai Yihao? - HCBBS Forum
16. Summer vacation is coming soon. Will you take your child out to see the world? - HCBBS Forum
17. Operation of the hot water tank in coking units - HCBBS Forum
18. Workplace Debate Series 4: Can you take company items home? - HCBBS Forum
19. Seeking work in raw material pretreatment and atmospheric/ vacuum distillation units; 7 years of work experience - HCBBS Forum
20. The humiliated instrument maker. Strange work meals, a miraculous day - HCBBS Forum
21. Materials required for professional exams - HCBBS Forum
22. High pressure at the bottom of the benzene removal tower - HCBBS Forum
23. Emergency Plan for Leaks in the Methanol Synthesis Purification Gas Pipeline Using Low-Temperature Methanol Washing - HCBBS Forum
24. Bursting of cast iron pipes - HCBBS Forum
25. Discussion and exchange on the automatic control selection for DCC devices - HCBBS Forum
26. Reinforcement ring selection - HCBBS Forum
27. Why haven’t the certificates been issued for Dalian yet? They have been issued in other parts of Liaoning. . - HCBBS Forum
28. Which domestic manufacturers are capable of producing super duplex steel 2507? - HCBBS Forum
29. Safety barriers are required for explosion-proof engineering – are there any details to keep in mind? - HCBBS Forum
30. How to handle CO2 pipeline leaks in low-temperature methanol washing - HCBBS Forum
31. 【Petroleum Sector】Those “popular” things in the petrochemical industry + “Making calls” (Funny 040) - HCBBS Forum
32. Do U-tube heat exchangers have heat exchange tubes that are 4.5 meters long? - HCBBS Forum
33. How is the length of the heat exchange tube determined for condensation in low-pressure steam pipes? - HCBBS Forum
34. Can air be added to industrial gas? - HCBBS Forum
35. Issues regarding MTBE desulfurization - HCBBS Forum
36. I would like to ask how to use Aspen for the desulfurization step in gasification - HCBBS Forum
37. Could candidates from Liaoning help answer this? - HCBBS Forum
38. The function of introducing high-pressure steam and deionized water into the temperature and pressure reducer - HCBBS Forum
39. Regarding the installation location of the safety valve in the distillation system - HCBBS Forum
40. Professional tools for assembling and disassembling rotary atomizer discs - HCBBS Forum
41. Let’s take a look; if we’re calculating the flange of a computing device, what value should be used for the effective thickness? - HCBBS Forum
42. Investment in 300,000-ton acid production - HCBBS Forum
43. Daily Question June 5, 2015 (Safe Communication): 3 wealth points for replies, 5 wealth points for correct answers; participation comes with rewards - HCBBS Forum
44. What are coal water slurry additives made of? - HCBBS Forum
45. Do the motor’s operation signal and stop signal repeat? - HCBBS Forum
46. Features of liquid sulfur filters - HCBBS Forum
47. Regarding the issue of waste agent leakage from the tank - HCBBS Forum
48. What makes imported instruments expensive? Such as Mersoniland, Adams, BETTIS - HCBBS Forum
49. Consult sister units for equipment quotes - HCBBS Forum
50. Applications of efficient electrodesalination - HCBBS Forum
51. The assessment that bothers me so much. Everyone, take a look – is this really the way management should work? - HCBBS Forum
52. What is the typical resistance of the excitation coil in ABB electromagnetic flowmeters in ohms? - HCBBS Forum
53. Reactor bottom pressure - HCBBS Forum
54. Hydrogen pump trip - HCBBS Forum
55. Maintenance issues with coke oven doors and closers - HCBBS Forum
56. On the efficiency of centrifugal compressors - HCBBS Forum
57. Does your company employ registered safety engineers in accordance with the requirements of the Work Safety Law? - HCBBS Forum
58. Advantages and disadvantages of AY-type centrifugal pumps compared to ordinary centrifugal pumps - HCBBS Forum
59. 【Weekly Topic】Talk about the problems encountered in recent equipment production - HCBBS Forum
60. About ethylene glycol - HCBBS Forum
61. Fundamental Examination for Registered Chemical Engineers - HCBBS Forum
62. Looking to purchase 2014 first-level constructor textbook - HCBBS Forum
63. Why do some distillation columns not have reflux? - HCBBS Forum
64. Seek the \"Operating Procedures for Calcined Coke in the Petrochemical Plant of the Liaohe Petroleum Exploration Bureau\" - HCBBS Forum
65. Problems with the shutdown of hydrogen production facilities - HCBBS Forum
66. I would like to ask how to treat wastewater with high concentrations of suspended solids - HCBBS Forum
67. Can carbon steel be used for 92.5% concentrated sulfuric acid storage tanks? - HCBBS Forum
68. The three key elements for a successful paper - HCBBS Forum
69. Have you come across any gases that burn in contact with air? - HCBBS Forum
70. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 61 - HCBBS Forum
71. Issues with debugging the Fisher 6030; I need expert help. I have to work overtime tomorrow, but I still don’t know where to start - HCBBS Forum
72. 【Daily Question】2015.06.07 Stabilization and solution treatment (2 wealth points for a reply; +3–8 wealth points if the answer is correct) - HCBBS Forum
73. CAD secondary development - HCBBS Forum
74. Syngas compressor - HCBBS Forum
75. Regarding the nominal capacity of the device - HCBBS Forum
76. Why should the amount of nitrogen removed be reduced when its purity is low? - HCBBS Forum
77. Reasons for temperature fluctuations in three-wire thermistors - HCBBS Forum
78. Several suggestions from the cleaners and management staff at Kaichuan regarding the forum - HCBBS Forum
79. 【Weekly Topic】- Protecting the environment: Are you willing to change your bad **habits? - HCBBS Forum
80. The valve business is really sluggish these days; I visited several freight markets tonight and didn’t see much inventory there. - HCBBS Forum
81. Control of product quality - HCBBS Forum
82. How can I distinguish between the 220V AC coil and the 24V coil on the ASCO solenoid valve? - HCBBS Forum
83. “One Question per Day” June 12 – Quality of Ethanolamine Products - HCBBS Forum
84. Reduction of the catalyst in the hydrogenation reactor - HCBBS Forum
85. Float level gauge - HCBBS Forum
86. How is stress analysis performed on flue gas pipelines? ! - HCBBS Forum
87. Catalytic reaction - HCBBS Forum
88. Selection of small pumps with a flow rate of 0.5–1 m3/h - HCBBS Forum
89. Treatment methods for sulfatides - HCBBS Forum
90. Come and write about the top ten scenic spots of West Lake – have you visited them all? - HCBBS Forum
91. Regarding the issue of the plate spacing between multiple flow restriction orifice plates - HCBBS Forum
92. Reboiler issues in distillation towers - HCBBS Forum
93. Flammable gas and toxic gas detectors - HCBBS Forum
94. Vacuum pumps for atmospheric and vacuum distillation: manufacturers and usage status - HCBBS Forum
95. Which types of rude behavior by tourists at tourist attractions annoy you the most? - HCBBS Forum
96. How to prepare a work report for a state-owned petrochemical enterprise? - HCBBS Forum
97. 【Organizing】Haichuan Chemical Network’s Father’s Day Essay Contest - HCBBS Forum
98. Issues in the evaluation of heat exchanger welding processes - HCBBS Forum
99. On the handling of accidents in diesel hydrogenation units - HCBBS Forum
100. Thermic film gas flow meter - HCBBS Forum