English — Forum #723 (Page 323/642)

1. Why must the pipeline for feeding desalinated water into the lean amine tank be inserted from the top of the tank? - HCBBS Forum
2. Regarding the issue with the bearings inside the mixer - HCBBS Forum
3. Is it acceptable to store bottled gasoline in Class A warehouses, with the oil drums placed on wooden pallets? - HCBBS Forum
4. CAD 2007 Tutorial: From Beginner to Expert - HCBBS Forum
5. The fire protection system wants to maintain a pressure of around 8 kilograms while also enabling circulation; what equipment can be used to achieve this? - HCBBS Forum
6. 【Daily Question No. 137】March 18, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
7. Silicone specialty monomer reagents - HCBBS Forum
8. Is there a limit on the transmission length of steam and hydrophobic pipes (for power plants and chemical plants), and is it necessary to calculate their pressure loss? - HCBBS Forum
9. The steam supply flow rate to the reboiler fluctuates greatly - HCBBS Forum
10. Seek environmentally friendly methods for treating the water separated from toluene - HCBBS Forum
11. What equipment is best for removing sludge from the mixture in an anaerobic tank? - HCBBS Forum
12. Problems with hydrogenation refining reactors - HCBBS Forum
13. Liquid discharge from floating roof tank - HCBBS Forum
14. I want to ask how many factories actually have a methanol hydrogen carbon ratio of 2.05–2.15 - HCBBS Forum
15. 11- Discussion on the use of feather leaf separators for vacuum pumping in distillation systems or for gas discharge and material recovery - HCBBS Forum
16. A question regarding the analysis of coke oven exhaust gases - HCBBS Forum
17. Problems with ultrasonic and radar level gauges - HCBBS Forum
18. Check for pressure-induced instability of the heat exchange tubes in U-tube heat exchangers - HCBBS Forum
19. Discussion on electrical tray issues - HCBBS Forum
20. What type of flow meter is suitable for measuring the flow rate of flocculants? - HCBBS Forum
21. Sulfur Daily Question, March 31------5 rewards for participation, 10 rewards for correct answers - HCBBS Forum
22. Help: Design of jacketed containers - HCBBS Forum
23. How to handle unresolved bounty posts in the Transaction Area Bounty section - HCBBS Forum
24. Dear forum members, could anyone provide information on the corrosion behavior of 316L and 321 stainless steels in liquid sulfur? - HCBBS Forum
25. Special Topic 5 of the Registered Chemical Engineer Professional Examination: Heat Transfer - HCBBS Forum
26. 【Weekly Topic】【Engineering Version 20160323】 - HCBBS Forum
27. Advanced air separation process - HCBBS Forum
28. Has anyone ever encountered this situation? How was it solved? - HCBBS Forum
29. Separate copper ions and arsenic ions from wastewater? - HCBBS Forum
30. Who has VDI/VDE Directive 3513 - HCBBS Forum
31. Synthetic ammonia catalyst - HCBBS Forum
32. Seeking help regarding the installation of a filter pressure reducing valve - HCBBS Forum
33. New excuse for being late - HCBBS Forum
34. Welding material code - HCBBS Forum
35. Who has a more authoritative steam density table? - HCBBS Forum
36. Do you think the Rockets will make it to the playoffs this year? - HCBBS Forum
37. By how much does the energy consumption of an air turbine compressor increase when the cooling water temperature rises by one degree? - HCBBS Forum
38. Which companies are currently building BDO facilities in the country? What is the scale? - HCBBS Forum
39. The company has sodium sulfate as a by-product and wants to install an electrolysis system with a capacity of 10,000 tons - HCBBS Forum
40. 【Daily Question No. 110】March 24, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
41. Anti-static V-belt - HCBBS Forum
42. 【Daily Question】 Hydrogenation Sector 2016-03-28 - HCBBS Forum
43. Seeking help regarding the three types of waste resources in oil refining! ! ! - HCBBS Forum
44. Application of paraffin oil hydrocracking catalysts - HCBBS Forum
45. What’s the problem with the pH value in the pulp dyeing wastewater aeration tank dropping from 7 to 3? - HCBBS Forum
46. Operations of the distillation tower? - HCBBS Forum
47. Manufacturers of reformation four-in-one heating furnaces - HCBBS Forum
48. Gas-to-gas heat exchanger calculation - HCBBS Forum
49. Can a glass-lined reactor withstand 15% sodium hydroxide at 80°C? - HCBBS Forum
50. How can the compression ratios of the left and right columns in a reciprocating compressor be made different? - HCBBS Forum
51. Liquid oxygen pump return valve - HCBBS Forum
52. Sign-in record post from March 21, 2016 - HCBBS Forum
53. 【Daily Question】March 29, 2016 – Multiple-choice question: When using an oxygen generator, after putting on the mask, one should immediately ( ) - HCBBS Forum
54. Techno-economic analysis software - HCBBS Forum
55. How to address the powder issue in polypropylene pellets - HCBBS Forum
56. Electrodesalination water injection - HCBBS Forum
57. Help, what kind of bolt is this? I don’t know what standard is used for the kop couplings - HCBBS Forum
58. The problem of fluid mixing - HCBBS Forum
59. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 273 - HCBBS Forum
60. 【Joint Study*】【Electrical Version 20160328】 - HCBBS Forum
61. Ministry of Environmental Protection: No longer requires project owners to submit completion acceptance reports - HCBBS Forum
62. 3.5Mpa medium-pressure steam target shooting - HCBBS Forum
63. One Question per Day on Synthetic Ammonia (Series 52) - HCBBS Forum
64. Blackwater temperature - HCBBS Forum
65. Calculation of the inclined conical shell for SW6 horizontal vessels - HCBBS Forum
66. Why are people afraid to speak English, and how can one improve their English skills in a short period of time? - HCBBS Forum
67. Seeking a solution to the sticking phenomenon with a sense of lag when the rotating parts of the 70-16 mechanical seal used in deep well pumps move; payment in RMB appreciated - HCBBS Forum
68. 【Daily Question】3.17 Multiple-choice question: There is no strict requirement regarding the type of reactor to be used for a certain reaction process in industrial production,... - HCBBS Forum
69. Please come and discuss the issues related to mechanical seals - HCBBS Forum
70. One Question per Day on Synthetic Ammonia (Series 49) - HCBBS Forum
71. 【On the Road】Those unforgettable moments during our travels - HCBBS Forum
72. Questions about ultrasonic level gauges - HCBBS Forum
73. Problems with polypropylene recycle gas compressors - HCBBS Forum
74. How to draw electrical diagrams in CAD without dimensions? - HCBBS Forum
75. Wind power accidents occur frequently, with serious quality issues regarding the equipment. Behind the collapse of the Datang wind turbines··· - HCBBS Forum
76. Where should the deluge valve room for the spray pipes in the LNG tank farm be located? - HCBBS Forum
77. Remote operation of air separation units - HCBBS Forum
78. [Environment & Safety Section] Discussion on Adding a “Prefix” to Topics - HCBBS Forum
79. On the issue of long-distance transmission of flowmeter signals related to trade settlement (updated) - HCBBS Forum
80. 【Daily Question No. 105】March 17, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
81. 【Daily Question】March 22, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
82. Commissioning of the heat exchanger - HCBBS Forum
83. Please explain the meanings and adjustments of T1, T2, and T3 in the 8-1-3 mode of PSA hydrogen purification - HCBBS Forum
84. Daily Question 2016.3.25: Oil-to-gas ratio in absorption towers - HCBBS Forum
85. (Weekly Topic) Discussion on Safety Standardization (4th week of March) - HCBBS Forum
86. March 23, 2016: Participation in +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
87. Equipment engineer productivity - HCBBS Forum
88. Who is interested in DOW’s lubrizol polyurethane TPU technology? - HCBBS Forum
89. cad2010 - HCBBS Forum
90. 【Basic Knowledge Activity】Refractive Index – a “Basic Knowledge” topic in the petrochemical industry - HCBBS Forum
91. Factors affecting 95% catalytic diesel - HCBBS Forum
92. 【Daily Topic】【Quality Version 20160325】 - HCBBS Forum
93. Registered Safety - HCBBS Forum
94. 【Daily Question】 Hydrogenation Sector 2016-03-22 Multiple-choice (Single answer) - HCBBS Forum
95. One Question per Day on Synthetic Ammonia (Series 4**) - HCBBS Forum
96. I hope experts can give some guidance~~~ In which production processes does wastewater containing sulfuric acid an occur? Thank you! - HCBBS Forum
97. Make the willful pay a higher price - HCBBS Forum
98. Reasons for the increased pressure drop in the pre-hydrogenation bed during reforming - HCBBS Forum
99. Convergence problem of circular logistics - HCBBS Forum
100. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 271 - HCBBS Forum