English — Forum #723 (Page 536/642)

1. Fundamentals of Chemical Engineering: One question per day. What consequences can occur if the heat supply to the heating vessel of a fractional distillation tower is insufficient and does not reach the specified level? - HCBBS Forum
2. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for those who participate； Question 171 - HCBBS Forum
3. Technical exchange on the production of 6N high-purity indium - HCBBS Forum
4. Who has PDSoft Chinese tutorials? Please send them to me; I would be extremely grateful - HCBBS Forum
5. How to write an application report for replacing a tank due to its being scrapped - HCBBS Forum
6. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 169 - HCBBS Forum
7. 2014 version Ministry of Chemicals manhole - HCBBS Forum
8. Why are some pipes equipped with flanged blind plugs for drainage, while others use plug-type closures? - HCBBS Forum
9. Can the anaerobic-aerobic process remove phosphorus solely through biological methods, without the use of chemicals? - HCBBS Forum
10. Fire-fighting methods for Wei** - HCBBS Forum
11. △Meaning of MON/△RON - HCBBS Forum
12. How is Tianchen? - HCBBS Forum
13. Are all three of these valves ball valves? - HCBBS Forum
14. Is it feasible to use an exhaust fan as a blower? - HCBBS Forum
15. What factors are used to select a heat exchanger? - HCBBS Forum
16. Final Evaluation of the Research Project on Gasification of High Ash Fusion Temperature Coal Varieties from Kailuan - HCBBS Forum
17. Standards for the differences in casting production processes between high-quality and low-quality domestic valves - HCBBS Forum
18. Hollow metal O-ring - HCBBS Forum
19. One Question per Day, September 6, 2015 - HCBBS Forum
20. Non-destructive testing requirements for vacuum-insulated pressure pipelines - HCBBS Forum
21. Transport of vinyl chloride - HCBBS Forum
22. Regarding copper extractants - HCBBS Forum
23. 【Daily Question】Chemical Engineering Principles 169: Raoult’s Law (September 11) - HCBBS Forum
24. Those preparing for the Certified Safety Engineer exam, are you ready? - HCBBS Forum
25. What are the basic data required for calculating extraction equipment? - HCBBS Forum
26. How to properly disassemble a tower crane - HCBBS Forum
27. Insufficient flow rate of the plunger metering pump and leakage of fluid at the packing gland - HCBBS Forum
28. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 294 - HCBBS Forum
29. Is the SIL assessment of instruments applied to all instruments in all control loops, or only to those in the SIS and ESD systems? - HCBBS Forum
30. On the removal of total nitrogen and total phosphorus in reclaimed water reuse systems - HCBBS Forum
31. Hydrogen flame extinguishing - HCBBS Forum
32. The feed consists of oil and gas, and there are specific requirements for the key components at the top and bottom of the tower; how should it be configured? - HCBBS Forum
33. 【Daily Question】 September 16 – What is not allowed to appear in the shift handover records? ? ? ? - HCBBS Forum
34. Phosphatic ammonium high-pressure plunger pump - HCBBS Forum
35. Natural gas pipelines and fueling stations - HCBBS Forum
36. Tender documents for gasification process package - HCBBS Forum
37. 【Daily Question】Chemical Engineering Principles 168: Distillation Columns (September 10) - HCBBS Forum
38. I was wondering if the factories where you work are equipped with safety nitrogen tanks? - HCBBS Forum
39. Arrangement method of air guns in coal bins - HCBBS Forum
40. Underground storage tanks for highly toxic, **hazardous chemicals - HCBBS Forum
41. Calculation of steam volume - HCBBS Forum
42. Conversion between standard gas conditions and operating conditions - HCBBS Forum
43. It’s fun to exchange ideas on techniques with those who only have a superficial understanding of instruments! - HCBBS Forum
44. Methods to reduce pressure in gas pipelines - HCBBS Forum
45. Regarding heat exchanger cleaning - HCBBS Forum
46. Who has a chart showing the liquefaction temperature and pressure of hydrogen? - HCBBS Forum
47. Regarding the safety facilities in the air separation plant - HCBBS Forum
48. Problems encountered in the project, solutions to doubts - HCBBS Forum
49. Accident Handling 3**: How should damage to the economizer of a circulating fluidized bed boiler be dealt with? - HCBBS Forum
50. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 166 - HCBBS Forum
51. Material properties - HCBBS Forum
52. What certificates should operators in the electrical workshop have? - HCBBS Forum
53. ASPEN HYSYS 8.6: There is an issue with font display; can it be changed to the default SimSun font? - HCBBS Forum
54. Very strange problems have arisen in the treatment of polluted acids - HCBBS Forum
55. Can a weld joint be exempted from the hydrostatic (strength) test? - HCBBS Forum
56. 【Daily Question】Question from Issue 20150903 - HCBBS Forum
57. Sign-in record post from September 7, 2015 - HCBBS Forum
58. Should the seal water for the black water circulation pump be at high temperature or low temperature? - HCBBS Forum
59. Short installation issue in the instrument installation diagram? - HCBBS Forum
60. 【College Activities】019+ “Physical Education Class” + dlutyj - HCBBS Forum
61. How to create a fire-resistant floor in steel structures - HCBBS Forum
62. Applications and innovations of PVC – seeking help - HCBBS Forum
63. 600 degrees temperature: high-temperature decomposition of dried biological material to produce syngas, using stainless steel. - HCBBS Forum
64. 【Daily Question】Issue 20150906 Test - HCBBS Forum
65. Regular gas recovery - HCBBS Forum
66. Regarding the dosing concentration of deoxidizers in boiler water - HCBBS Forum
67. Does cavitation in a centrifugal pump cause axial vibration or radial vibration? - HCBBS Forum
68. Chemical Engineering in Daily Life – Question 61: Do you understand how a wine decanter works? - HCBBS Forum
69. The issue of light oil production from coke dry distillation - HCBBS Forum
70. I suggest that HaiChuan consider creating its own mascot I’m not sure if it’s possible. - HCBBS Forum
71. 【College Activities】017+Special Qualities+Fish in the Desert - HCBBS Forum
72. Thermal setting sheet - HCBBS Forum
73. 【Daily Question】September 9th Based on the structure of reciprocating pumps, what type of pump is a steam reciprocating pump? ? ? ? ? - HCBBS Forum
74. I would like to ask about the conversion between standard conditions and operating conditions, as well as the impact of dust content in flue gas on flue gas waste heat recovery! - HCBBS Forum
75. Haohua Energy’s coal-to-ethylene glycol project in Hangjin Banner - HCBBS Forum
76. Scaling in the steam system - HCBBS Forum
77. The relationship between clogged fuel injectors in electronically fuel-injected vehicles and fuel quality - HCBBS Forum
78. Those passing by, come in and leave a message! Are there many plants engaged in chemical production that operate on a three-shift, two-shift basis? ? - HCBBS Forum
79. Newcomer’s question - HCBBS Forum
80. Method for determining calcium and magnesium in alkalis by ICP - HCBBS Forum
81. Seeking help with centrifuge and dryer equipment - HCBBS Forum
82. Caustic soda machine and packaging machine manufacturers - HCBBS Forum
83. Location for venting and draining the equipment - HCBBS Forum
84. I have a question about towers for everyone - HCBBS Forum
85. Based on the purpose of treatment, what are the methods for solid waste disposal? Please list several typical methods separately. - HCBBS Forum
86. Which company produces SAPO-11 molecular sieves? - HCBBS Forum
87. 【Daily Question No. 5】September 04, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
88. September 9: Boiler Foundation Questions 26 – Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
89. Sign-in record post from September 10, 2015 - HCBBS Forum
90. 【Weekly Topic】(41) September 2, 2015: What are the two methods for determining the total iron content in water? What is used as the color-developing agent for each? - HCBBS Forum
91. How is the fire hazard of aqueous solutions formed by dissolving Class A and Class B gases in water determined? - HCBBS Forum
92. What accessories should be provided for imported valves? - HCBBS Forum
93. Dear experts, I would like to ask: for the S7-300, are there any good and simple methods, or best practices, for analyzing someone else’s programs? Thank you very much! - HCBBS Forum
94. Which is more efficient, an intermediate extraction turbine or a full condenser turbine? - HCBBS Forum
95. Key factors causing cracks in fixed cranes - HCBBS Forum
96. I want to use 16Mn steel pipes for boiler headers, but this isn’t specified in the standards. What should I do? - HCBBS Forum
97. Do you know anything about the MDEA lean liquid/semi-lean liquid desulfurization process? - HCBBS Forum
98. O-ring - HCBBS Forum
99. What are the safety operating procedures for single-girder cranes? - HCBBS Forum
100. Questions regarding temperature and pressure of LPG storage tanks - HCBBS Forum