English — Forum #723 (Page 274/642)

1. Problem of pressure fluctuations in the output stream after steam depressurization - HCBBS Forum
2. Is 217 trays for the Aspen simulated distillation column a reasonable number? - HCBBS Forum
3. How to dispose of phosphogypsum from phosphate fertilizer manufacturers - HCBBS Forum
4. Is there a test for SO3 in catalyzed flue gas? - HCBBS Forum
5. Heat exchanger design - HCBBS Forum
6. Are there any economic tips that can be used for daily shopping? - HCBBS Forum
7. Sign-in record post from May 12, 2016 - HCBBS Forum
8. Issues with the quality of refined alcohols - HCBBS Forum
9. 【Daily Question No. 142】May 16, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
10. 【Daily Question】20160512 Stainless Steel Material Selection (Top 50 participants + 2 rewards) - HCBBS Forum
11. Space furnaces consume coal with high sulfur, high ash, and high carbon content - HCBBS Forum
12. What is the difference between Ex d IIC T4 and American standard explosion protection ratings? - HCBBS Forum
13. Please provide a longitudinal section diagram of a 6-meter coke oven. Thank you - HCBBS Forum
14. Specifications for the selection of materials for steel chemical storage vessels – Essential reading for chemical industry professionals - HCBBS Forum
15. Why doesn’t the absorption rate increase when carbon removal is added to the activator in the hot potassium alkali method? - HCBBS Forum
16. Tawin - HCBBS Forum
17. HYSYS air separation bounty post - HCBBS Forum
18. A one-stress problem in CAESAR2 - HCBBS Forum
19. Selection of coking rich gas compressors - HCBBS Forum
20. Question: When bending carbon steel pipelines with diameters of DN25 and DN20, what is a reasonable amount to charge per elbow? - HCBBS Forum
21. Question about the length of valves shown in the piping diagram - HCBBS Forum
22. How do you conduct benchmarking analysis on devices? Who should be opposed, and what are the standards? - HCBBS Forum
23. Which path is more promising for modern coal chemical industry? - HCBBS Forum
24. What percentage of the operating pressure is generally used as the set pressure for a breathing valve? - HCBBS Forum
25. I would like to know the difference between the two types of paint - HCBBS Forum
26. Aspen adsorption - HCBBS Forum
27. Don’t be careless; there are so many safety hazards in the wastewater treatment process as well - HCBBS Forum
28. Sign-in record post from May 6, 2016 - HCBBS Forum
29. Does anyone have English books on safety management? Kind people, please upload them Learn together*! - HCBBS Forum
30. Safety Technology Exchange Edition: Daily Question (2016.5.10) - HCBBS Forum
31. Sister Fish - HCBBS Forum
32. What are the naming principles for heat exchangers? - HCBBS Forum
33. 【Daily Question】May 6, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
34. Pressure distribution issues of the vent valve and the noise-reducing orifice plate downstream of it - HCBBS Forum
35. 【Weekly Topic】【 Quality Version 20160511】 - HCBBS Forum
36. Regarding guided-wave radar level gauges - HCBBS Forum
37. Does settlement need to be considered for the tank drain pipe? - HCBBS Forum
38. A Brief Discussion on the Management of Premonitory Incidents (Repost) - HCBBS Forum
39. Chain system - HCBBS Forum
40. The literature and poetry section for reading has been established; all enthusiasts, come and join us! ! ! ! - HCBBS Forum
41. What oil is used to lubricate SKF bearings in Germany? - HCBBS Forum
42. Throttling issue of globe valves - HCBBS Forum
43. 【Purification Daily Question】May 9, 2016 - HCBBS Forum
44. Why can’t AutoCAD be displayed on two screens? - HCBBS Forum
45. Environmental Protection Daily Post 5.09: Reward for participation is 3 points, plus another 3 points for answering correctly - HCBBS Forum
46. Desulfurization tower level - HCBBS Forum
47. Treatment solutions for phosphorus-containing wastewater - HCBBS Forum
48. Sign-in record post from May 11, 2016 - HCBBS Forum
49. Consult on DCS technology - HCBBS Forum
50. Safety | Don’t be careless; there are so many safety hazards in the wastewater treatment process as well - HCBBS Forum
51. How to distinguish electrical cabinets? - HCBBS Forum
52. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 296 - HCBBS Forum
53. 【Q&A Question 022】May 12, 2016 - HCBBS Forum
54. What type of densitometer is generally used for desulfurization and denitrification in power plants these days? - HCBBS Forum
55. Selection of mobile pumps and circulation pumps - HCBBS Forum
56. Large storage tank for 95-degree hot water - HCBBS Forum
57. Seek standard NB/SH/T 0914-2015 - HCBBS Forum
58. 【Daily Judgment NO.4】 May 12, 2016 - HCBBS Forum
59. Discussion on the control parameters for the alcohol-water tower in low-temperature methanol washing - HCBBS Forum
60. Who has the layout diagram of the level float structure? - HCBBS Forum
61. What is the difference between self-generated steam and externally supplied steam? - HCBBS Forum
62. Does the 3500 system belong to the CCS system? Does it have the same status as CCS and also belong to the SIS system? - HCBBS Forum
63. Help: Oil and gas yield in catalytic cracking reactions - HCBBS Forum
64. Looking for past exam questions from the afternoon professional section of the basic examination for registered chemical engineers - HCBBS Forum
65. How to calculate the material balance and steam usage for a 30,000 tons/year sulfur recovery unit - HCBBS Forum
66. Catalyst regeneration issues in hydrogenation reactors - HCBBS Forum
67. How to determine whether a solenoid valve is open - HCBBS Forum
68. How are the fees for U-stampings charged? - HCBBS Forum
69. Seeking advice on S7-400 and JX300XP from Central Control - HCBBS Forum
70. What does valve degreasing mean? - HCBBS Forum
71. Design advantages of ultra-pure water equipment for automotive surface coating - HCBBS Forum
72. Share insights on the standardization efforts in your factories (process pipeline color coding, workplace environment, etc.) - HCBBS Forum
73. Regarding the issue with the circulating hydrogen sampler - HCBBS Forum
74. What issues should be considered when testing the motor of an electric valve individually? - HCBBS Forum
75. Keep learning *aspen - HCBBS Forum
76. How to detect and eliminate loose mounting when aligning the pump and motor - HCBBS Forum
77. Incinerator burner manufacturers - HCBBS Forum
78. The application of Sorey technology in pumps and fluid erosion/corrosion - HCBBS Forum
79. Inverter output - HCBBS Forum
80. What are the reasons for DIB-1 failure? - HCBBS Forum
81. 【Weekly Topic】【 HVAC Version 201605013】 - HCBBS Forum
82. 【Daily Question】Deep Processing 20160515 Multiple Choice: Which of the following is not a task included in the basic chemical production process? ( ) - HCBBS Forum
83. Management of outsourced contractors - HCBBS Forum
84. Fertilizer technology cooperation and exchange, - HCBBS Forum
85. Dry gas seal issues in circulating hydrogen centrifugal compressors - HCBBS Forum
86. Differences between S30408 and 0Cr18Ni9 - HCBBS Forum
87. What type of bolts should be used for connecting stainless steel and carbon steel flanges? - HCBBS Forum
88. Dear teachers and students, regarding the matter of having a quality assurance engineer on paper only - HCBBS Forum
89. Design of gas-water separators - HCBBS Forum
90. Spiral plate condenser drawings - HCBBS Forum
91. Do you know the approval process and required documents for rural centralized water supply pricing? - HCBBS Forum
92. The future of methanol plants - HCBBS Forum
93. Is there anyone who recycles air-separated pearlescent sand? - HCBBS Forum
94. The effluent from the diatomite process contains high levels of ammonia nitrogen, with a COD level of over 40 - HCBBS Forum
95. Strange phenomena occurring in atmospheric and vacuum distillation units - HCBBS Forum
96. Relationship between steam generation and medium-pressure drum - HCBBS Forum
97. MMA polymerized plexiglass - HCBBS Forum
98. What is the impact of the inlet temperature of a four-stage, four-row M-type air compressor on the operating performance of the unit? ? - HCBBS Forum
99. Regarding the pressure drop in the inlet pipeline of the safety valve - HCBBS Forum
100. The volume of the solvent regeneration tower is 101 cubic meters. How is the hourly processing capacity calculated? - HCBBS Forum