English — Forum #723 (Page 619/642)

1. How to enter the Antoine equation or Wanger equation in Aspen to calculate saturated vapor pressure? - HCBBS Forum
2. 【Daily Question】2015.06.17 Container Classification (2 Wealth points for a reply; +3–8 additional Wealth points for a correct answer) - HCBBS Forum
3. Precautions for loading concentrated sulfuric acid and post-treatment - HCBBS Forum
4. 【Daily Question】Principles of Chemical Engineering 083: Centrifugal Pumps (June 18) - HCBBS Forum
5. Why can’t we say Happy Festival during the Dragon Boat Festival? - HCBBS Forum
6. Which expert knows how the fine powder in granules is formed? There will be a reward for those who reply - HCBBS Forum
7. 3D models of various pipes, valves, and valve components! - HCBBS Forum
8. As the feed components to the catalytic cracking reactor become lighter, how does the reaction temperature change? - HCBBS Forum
9. Problems with the Aniuoba flow meter - HCBBS Forum
10. During reorganization of UOP3.5 when it is raining, what adjustments need to be made for internal operations? - HCBBS Forum
11. 【Daily Question】Chemical Engineering Principles 088: Increasing the convective heat transfer coefficient in the shell side of a heat exchanger (June 23) - HCBBS Forum
12. Coalescing packing for oil-water separation - HCBBS Forum
13. Can a bathroom be installed in a building adjacent to a Class A workshop? - HCBBS Forum
14. Explosion-proof electrical cabinet - HCBBS Forum
15. Differences between brazed heat exchangers and fully welded heat exchangers - HCBBS Forum
16. Coupling type - HCBBS Forum
17. What is the difference between an effluent cooler and a bottom cooler? - HCBBS Forum
18. Explanation of the two-turn two-suction process in the sulfuric acid conversion step - HCBBS Forum
19. In summer, one should eat six staple dishes - HCBBS Forum
20. Emulsion polymerization of polyacrylamide - HCBBS Forum
21. The CO content in the process gas at the outlet of the transformation section in our plant is on the high side. What are the possible causes, and how should it be addressed? - HCBBS Forum
22. Types of tube sheets in pressure vessel heat exchangers - HCBBS Forum
23. How to target blasting purging - HCBBS Forum
24. Problems with cascade level and flow control - HCBBS Forum
25. How is p-hydroxybenzyl ether added to finished products as a polymerization inhibitor for acrylic acid and its esters? ? ? I’m seeking help from all the experts out there - HCBBS Forum
26. Modicon TSX Neza PLC issues - HCBBS Forum
27. Why is an orifice plate installed for hot water tracing? - HCBBS Forum
28. Who still has a heating regime for 4.3-meter coke ovens - HCBBS Forum
29. The chemical engineering exam review – to what extent has the review been done? - HCBBS Forum
30. What is the quality of the Walsn mass flow meter? - HCBBS Forum
31. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 85 - HCBBS Forum
32. Energy-saving renovation of water pumps——Tribular flow impeller technology - HCBBS Forum
33. Instrument issue - HCBBS Forum
34. Is hydrogen sulfide generated during wastewater treatment? - HCBBS Forum
35. Looking for the AUTOCAD-based secondary-developed chemical industry 2D piping software CPS? - HCBBS Forum
36. 【Daily Question】Principles of Chemical Engineering 090: Ways to Increase the Heat Transfer Area of a Heat Exchanger (June 25) - HCBBS Forum
37. How to change the time on the Delta touch screen DOP-B05S100? - HCBBS Forum
38. Let’s discuss whether end caps that do not require splicing need to have their testing rate and qualification level filled in the data sheet - HCBBS Forum
39. Compressor issues - HCBBS Forum
40. Is it appropriate to send the desulfurization alkylation off-gases from liquefied gas to a sulfur recovery reactor for treatment? - HCBBS Forum
41. Removing water from coal gas and natural gas using silica gel - HCBBS Forum
42. Operation of centrifugal pumps - HCBBS Forum
43. Seeking help: course materials for the 2015 First-Class Constructor exam in the construction field - HCBBS Forum
44. Sodium-alkali flue gas desulfurization - HCBBS Forum
45. Issues with fluctuating outlet pressure in Ingersoll Rand air compressors - HCBBS Forum
46. I would like to ask the experts: Which NFPA standard specifies the fire separation requirements for diesel tanks with a capacity of 20 cubic feet and diesel generators? - HCBBS Forum
47. Regarding pulse accumulation of Siemens system mass flow meters - HCBBS Forum
48. Looking for manufacturers capable of acid vapor stripping and sulfur recovery - HCBBS Forum
49. Initial startup boiler heating for hydrogen production plant - HCBBS Forum
50. Information required to add corridors between storage tanks - HCBBS Forum
51. Issues related to the treatment of sulfoxide chloride exhaust gases - HCBBS Forum
52. Detection of capillary leakage in double-flange transmitters - HCBBS Forum
53. What type of coal does your plant use in its gasification furnace, and what is its price? - HCBBS Forum
54. I haven’t been here in three years! Coming right away with a question! Regarding jacketed butterfly valves! Details - HCBBS Forum
55. The finished products from the pharmaceutical design firm do not include data sheets for special valves and piping fittings; how can this be resolved? - HCBBS Forum
56. How to select a vacuum pump for the oil and gas recovery unit? Recommended manufacturers? - HCBBS Forum
57. River water sedimentation with PAC and PAM - HCBBS Forum
58. Request for perfect start-up confirmation form - HCBBS Forum
59. Let’s all talk about things we’ve heard from others but that have turned out to be wrong after we checked them ourselves - HCBBS Forum
60. Measurement of impurity parameters in purified gas - HCBBS Forum
61. Career planning for working in a chemical plant - HCBBS Forum
62. How should static electricity be controlled at work? - HCBBS Forum
63. Whether there will be an exam or not – I just saw a rumor - HCBBS Forum
64. Suggestions on publishing advertising content in promotion areas - HCBBS Forum
65. What aspects should be considered during the installation of corrugated expansion joints during construction? - HCBBS Forum
66. Similarities and differences between intermediate handovers and final handovers in engineering projects - HCBBS Forum
67. Selection of the process flow for high water vapor ratio conversion reactions - HCBBS Forum
68. For instrument signal transmission, should a wired connection be used or a bus connection? - HCBBS Forum
69. The contract has expired, and I’m very conflicted - HCBBS Forum
70. Shanghai Yuxuan attended the International Pump, Pipe and Valve Exhibition with the WA42F46 fluorinated safety valve - HCBBS Forum
71. I want to take the exam for Level 1 Constructor in Mechanical and Electrical Engineering - HCBBS Forum
72. Design life of pipeline fittings and other components in petrochemical pilot plants - HCBBS Forum
73. Function of the accident burner cooling water tank - HCBBS Forum
74. Problems with compressors having a compression ratio of 500 driven by variable-frequency motors - HCBBS Forum
75. The engine gives an alarm after storing No. 97 gasoline for a long time - HCBBS Forum
76. Turbine load - HCBBS Forum
77. Who can talk about the storage and calculation problems? - HCBBS Forum
78. What does it indicate that national model workers are resigning from large state-owned enterprises to work in private companies? - HCBBS Forum
79. Dear ladies and experts, could anyone share the report presented at the Inner Mongolia Coal Chemical Industry Conference in the past two weeks? - HCBBS Forum
80. What is the function of the pressure gauge buffer tube? Principle? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
81. It’s not easy to fall in love; seek support - HCBBS Forum
82. Seek the normal and vacuum distillation operating procedures - HCBBS Forum
83. What are the functions of introducing nitrogen into the methanol tank? - HCBBS Forum
84. What are the reasons for the frequent fluctuations in the composition of the raw gas from GE gasifiers? - HCBBS Forum
85. [Serial] The growth story of a chemical engineering designer - 44 - HCBBS Forum
86. Wear problems in pneumatic conveying pipelines - HCBBS Forum
87. Daily Question, June 18, 2015 (Safe Communication): 3 wealth points for replies, 5 wealth points for correct answers; participation comes with rewards - HCBBS Forum
88. Prefabrication and on-site casting for pipeline insulation construction - HCBBS Forum
89. Seek electronic version of GB151-2014 interpretation - HCBBS Forum
90. A new beauty method has been discovered - HCBBS Forum
91. How to perform non-destructive testing on the scale of outer containers - HCBBS Forum
92. Issues related to personal income tax deductions - HCBBS Forum
93. Market trends of the PVC market on June 16 - HCBBS Forum
94. What are the well-known design institutes in the chemical industry? - HCBBS Forum
95. Construction of the return yard in the storage tank area. - HCBBS Forum
96. I’m so sleepy at this time - HCBBS Forum
97. Send a few photos of the canned pump - HCBBS Forum
98. Temperature sensor measurement issues behind Honeywell DCS safety barriers - HCBBS Forum
99. Evaluation of circulating water treatment effectiveness - HCBBS Forum
100. A newcomer is asking: Can one take the professional exam after two years of working since graduating from graduate school? - HCBBS Forum