English — Forum #723 (Page 285/642)

1. Regarding sludge treatment and disposal, seek sludge treatment and disposal processes suitable for small-scale sewage treatment plants - HCBBS Forum
2. Lubrication methods for roller conveyors - HCBBS Forum
3. Flue gas desulfurization - HCBBS Forum
4. Question regarding valve standards: Q/JBGN03 - HCBBS Forum
5. Hello everyone - HCBBS Forum
6. Treatment methods for high-salt wastewater - HCBBS Forum
7. 【Daily Topic】【Civil Engineering Version 20160503】 - HCBBS Forum
8. Reviewing the Old to Discover the New (Series 18) - HCBBS Forum
9. Nantong chemical enterprises are recruiting staff - HCBBS Forum
10. I still like this part; keep pouring - HCBBS Forum
11. 【Daily Topic】【Electrical Edition 20160421】 - HCBBS Forum
12. Levelness of tray support frame - HCBBS Forum
13. Seeking a Chemical Process Engineer - HCBBS Forum
14. Wastewater treatment - HCBBS Forum
15. Occupational Health Daily Question 5.1: Participate for a prize; 3 correct answers and an additional 5 prizes (it’s a holiday)! - HCBBS Forum
16. Domestic production of catalysts for the Hefeng low-temperature SCOT process - HCBBS Forum
17. Beikong’s 4 billion cubic meters of coal-to-natural gas project receives environmental approval - HCBBS Forum
18. Seeking partners for water treatment services - HCBBS Forum
19. Are heavy aromatics water-soluble? - HCBBS Forum
20. Happy Labor Day to the management and technical teams of the Safety and Environment department! ! ! - HCBBS Forum
21. What are the causes of wheezing in the output air of a valve positioner? - HCBBS Forum
22. Verification of the actual number of tubes, standard tube array size, and heat transfer coefficient in falling film evaporators - HCBBS Forum
23. Reasons for uneven coke size in rammed coke ovens (dry quenching) - HCBBS Forum
24. 【Weekly Topic】【HVAC Version 20160425】 - HCBBS Forum
25. Seek detailed information on pressure swing adsorption oxygen production - HCBBS Forum
26. Hahahahaha or or or or or or or or or or - HCBBS Forum
27. Seeking help with pressure vessel installation issues - HCBBS Forum
28. Who has the answers to the second edition of Chemical Process Safety Theory and Applications? - HCBBS Forum
29. Polyester esterification rate testing - HCBBS Forum
30. The two valves are connected directly by flanges; what is the purpose of having two valves in this setup? - HCBBS Forum
31. Corrosion of the afterfan in the wet flue gas desulfurization process - HCBBS Forum
32. Safety Technology Exchange Edition: Daily Question (2016.5.2) - HCBBS Forum
33. Sign-in record post from May 5, 2016 - HCBBS Forum
34. When transporting a saturated sodium sulfate solution, how should the mechanical seal and flushing scheme be selected? - HCBBS Forum
35. Regarding the issue of reversing Excel functions - HCBBS Forum
36. CAD drawings of baffle mist eliminator - HCBBS Forum
37. Recently, during the zero-gap modification of several cells in one electrolyzer, the hydrogen content in the chlorine was high. Which company did Haiyou turn to for handling this issue? - HCBBS Forum
38. Cooling tower waterproofing - HCBBS Forum
39. Dry pumping of condensate pump - HCBBS Forum
40. Looking for recommendations - HCBBS Forum
41. 【Daily Topic】【Electrical Edition 20160422】 - HCBBS Forum
42. May I ask? What are the steps for conducting pilot experiments to determine the dosage of PAC and PAM? - HCBBS Forum
43. Pressure swing adsorption - HCBBS Forum
44. Is your process gas analysis accurate? - HCBBS Forum
45. Functions and maintenance of reduction motors - HCBBS Forum
46. Let’s officially start preparing for the First-Class Constructor Mechanical and Electrical exam. There are tests to take, so let’s supervise each other and make progress together - HCBBS Forum
47. What is the maximum pressure that an atmospheric internal floating roof tank can withstand? - HCBBS Forum
48. Urgent help with a computer issue – printer prints documents automatically when turned on - HCBBS Forum
49. Regarding petrochemical projects, how are the designs for central air conditioning, as well as cooling and heating systems, classified? It’s fine for plumbing and drainage, but what about the HVAC field? - HCBBS Forum
50. Regarding the suspension of production - HCBBS Forum
51. Energy consumption and environmental restrictions of MTG projects - HCBBS Forum
52. Issues with openings in the elliptical heads of heat exchangers - HCBBS Forum
53. Water-coal slurry concentration detection - HCBBS Forum
54. Use of frequency converters and ordinary motors - HCBBS Forum
55. Everyone, please help determine whether there is cavitation in my pump - HCBBS Forum
56. According to what standards are the dimensional designs of the compressor inlet liquid separation tank and the flare inlet liquid separation tank calculated? - HCBBS Forum
57. Urgently need the production process flow for the direct cyanohydrination of butadiene to produce adiponitrile - HCBBS Forum
58. What is the specific function of the bottom baffle in the methanol wash regeneration tower? - HCBBS Forum
59. Yokogawa vortex street - HCBBS Forum
60. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 501 - HCBBS Forum
61. Converted water vapor ratio - HCBBS Forum
62. Is it almost time for the maintenance season in the chemical industry? - HCBBS Forum
63. What should I do if the degasifier of the oil skimming pump in my unit is not working properly? But the pressure doesn’t decrease. - HCBBS Forum
64. 【Chemical Processing】Corrosion - HCBBS Forum
65. Do oil tanks below 50 cubic meters not require safety reporting? - HCBBS Forum
66. Pipeline anti-corrosion - HCBBS Forum
67. Sign-in record post from May 3, 2016 - HCBBS Forum
68. ProII version 9.4 electrolyte method issues - HCBBS Forum
69. What are the reasons for an excessively low electrodialysis current? - HCBBS Forum
70. I would like to ask about the coal drying technology used by Datang Duolun - HCBBS Forum
71. I completed a mediocre undergraduate thesis project on the design of an ethylene distillation tower; I’m starting a thread to ask everyone various questions - HCBBS Forum
72. Let’s share some case studies of semi-regenerative reforming accidents - HCBBS Forum
73. Question: For DN700, with a pressure of 4.2 Mpa, what is the wall thickness? - HCBBS Forum
74. 【Daily Topic】【Civil Engineering Version 20160428】 - HCBBS Forum
75. Basic calculation process value for ammonia synthesis production? - HCBBS Forum
76. I would like to ask the experts here: is the pump for the lean liquid at the bottom of the regeneration tower in your plant located directly at the outlet of the lean liquid at the bottom of the tower? - HCBBS Forum
77. Environmental Impact Assessment Approval for Su New Energy’s Coal-to-Gas Project - HCBBS Forum
78. 【A simple question about heat exchangers】 - HCBBS Forum
79. Simulation of the external force subroutine for ethylene glycol synthesis - HCBBS Forum
80. Question: What is the corrosion resistance of industrial titanium TA2 in sodium chloride solutions at room temperature and in sodium chloride solutions at 100°C? - HCBBS Forum
81. Tantalum heat exchanger - HCBBS Forum
82. Technical help: Transformer selection, any advice is welcome - HCBBS Forum
83. 15CrMoR steel plates require post-weld heat treatment - HCBBS Forum
84. Please provide the second line - HCBBS Forum
85. Information on the composition ratios of various mixtures used for LNG mixed-refrigerant cooling - HCBBS Forum
86. Safety Technology Exchange Edition: Daily Question (2016.5.3) - HCBBS Forum
87. The fees for the 2016 Registered Chemical Engineer examination have been announced - HCBBS Forum
88. Major safety accidents that occurred on this day in history (the serious accident involving the collapse of a stone arch bridge under construction in Shenzhen Town, Gaozhou City, on May 3, 2014) - HCBBS Forum
89. Does the pressure in the distillation tower affect product quality? - HCBBS Forum
90. High-silicon cast iron fittings - HCBBS Forum
91. APP network anomaly - HCBBS Forum
92. The 【Taste of Haichuan – Food Lovers of Haichuan Have Power】 event has begun! - HCBBS Forum
93. The residence time of coke during the semi-coke stage is too short - HCBBS Forum
94. What are your thoughts on the \"4.22\" fire accident in Jingjiang, Jiangsu? ! - HCBBS Forum
95. Issues regarding heat treatment for the recovery properties of Q345R/Q245R head parts after hot stamping - HCBBS Forum
96. Discussion on flow measurement using differential pressure transmitters - HCBBS Forum
97. 【Daily Topic】【Quality Version 20160427】 - HCBBS Forum
98. Converted water vapor ratio - HCBBS Forum
99. Let me tell you a story called \"A Smile Hidden with a Knife\" - HCBBS Forum
100. Sign-in record post from May 1, 2016 - HCBBS Forum