English — Forum #723 (Page 292/642)

1. Sulfur Daily Question, April 17------5 rewards for participation, 10 rewards for correct answers - HCBBS Forum
2. Alkylation unit - HCBBS Forum
3. Ethanolamine decomposition temperature in catalytic desulfurization unit - HCBBS Forum
4. Spiral extrusion solid-liquid separator - HCBBS Forum
5. 【Daily Topic】【Production Version 20160421】 - HCBBS Forum
6. 【Weekly Topic】【 Engineering Version 20160421】 - HCBBS Forum
7. I would like to ask about the company’s approach to monthly economic activity analysis - HCBBS Forum
8. 【Daily Question No. 124】April 19, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
9. What standard is followed when drawing process flow diagrams during process design? - HCBBS Forum
10. ASME B31.8-2014 pipeline strength calculation sheet? - HCBBS Forum
11. Should young children attend English training? - HCBBS Forum
12. What standards should be considered for centrifugal compressors - HCBBS Forum
13. xc445408333 “I’m saving energy; where are you?” Petrochemical 0503 reverse osmosis concentrated brine recovery - HCBBS Forum
14. What is the nature of the sulfur-containing wastewater in the delayed coking fractionation system? - HCBBS Forum
15. CAESAR study* drawings and calculation sheets - HCBBS Forum
16. Congratulations to Luneng Taishan! - HCBBS Forum
17. What causes the pump to shut down frequently in a water ring vacuum pump within a vacuum flash evaporation system? - HCBBS Forum
18. Who are the suppliers of accessories for Italian Novibion gas compressors? - HCBBS Forum
19. 【Daily Topic】【Electrical Edition 20160404】 - HCBBS Forum
20. Self-cleaning pipe of centrifugal pump - HCBBS Forum
21. Analysis method for epoxy equivalent - HCBBS Forum
22. 【Woker Public Welfare Activity】pH of Carbonate Buffers at Different Concentrations - HCBBS Forum
23. Haichuan’s “Thanksgiving Season” Sharing Event – Reward Announcement - HCBBS Forum
24. Malic acid - HCBBS Forum
25. What are the main international standards and certifications in China? - HCBBS Forum
26. One Question per Day on Synthetic Ammonia (Series 68) - HCBBS Forum
27. Why are coal chemical projects that have obtained approvals described as being in a difficult situation from which it’s hard to escape?” - HCBBS Forum
28. 【Daily Question】 2016 04 20 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
29. China’s fermentable waste - HCBBS Forum
30. Have there been any PVC plants under preparation for construction in the northwest region in recent years? - HCBBS Forum
31. Questions regarding chlorine compressors for chlor-alkali production - HCBBS Forum
32. National standards and chemical industry standards for flanges - HCBBS Forum
33. Stirred tank reactor process - HCBBS Forum
34. Does the accident type of vehicle injury refer to special vehicles? - HCBBS Forum
35. Differences between UCP, PLC, and DCS - HCBBS Forum
36. 1/2NPT internal thread - HCBBS Forum
37. Sulfur Daily Question, April 20------5 rewards for participation, 10 rewards for correct answers - HCBBS Forum
38. How to maintain pressure in a spherical tank - HCBBS Forum
39. Regarding piping issues - HCBBS Forum
40. Warm congratulations to the fish in the desert on getting promoted! ! ! - HCBBS Forum
41. Selection of stainless steel sheets and pipes - HCBBS Forum
42. How to reduce the vacuum level of the evaporator? - HCBBS Forum
43. 【Daily Question No. 160】April 21, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
44. What is the function of a fieldbus adapter? ? - HCBBS Forum
45. Can textile wastewater be treated together with dyeing and finishing wastewater? - HCBBS Forum
46. “Haichuan Irrigation Co., Ltd. Convenience Store” 316: Congratulations to Comrade Lao Yu on becoming the head of the leisure area - HCBBS Forum
47. Reviewing the Old to Discover the New (Series 8) - HCBBS Forum
48. Who has experience storing 30% ammonia solution? Let’s share our experiences - HCBBS Forum
49. 【Episode 7 of the 2016 Family Debate Series】Should one buy a second home before paying off the loan, or wait until the loan is fully repaid? - HCBBS Forum
50. Is dry powder gasification better or water-coal slurry gasification better? - HCBBS Forum
51. Main methods for detecting biogas composition - HCBBS Forum
52. The Yokogawa EJA310 generates the ER07 error code during use – what’s going on? - HCBBS Forum
53. A brief analysis of the advantages and disadvantages of pressure transmitters versus level transmitters - HCBBS Forum
54. “Working principle of the “Intelligent RF Admittance Continuous Level Controller” - HCBBS Forum
55. 【Daily Question】April 20, 2016: Participation = +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
56. Evaporator design - HCBBS Forum
57. Given the dimensions of the heat exchanger, how can the exit temperature be determined when the inlet temperature on the tube side changes? - HCBBS Forum
58. Questions regarding the parameters of pressure vessel heads - HCBBS Forum
59. Do you have any good suggestions for the topics of the Chemical Engineering Safety Design Competition? - HCBBS Forum
60. Whether the electric valve feedback indicates that it is powered on - HCBBS Forum
61. Measures and methods to ensure reduced fluctuations in nutrients by preventing or minimizing the production of fine powder in high-tower compound fertilizers - HCBBS Forum
62. I urge all moderators to pull posts from the university section - HCBBS Forum
63. Occupational Health Daily Question 4.19: Participate for a prize; 5 questions, and an additional prize for answering 5 correctly - HCBBS Forum
64. Recruitment for Safety and Environmental Protection Officers at Dongying Port - HCBBS Forum
65. How to design and select surge protectors? - HCBBS Forum
66. Siemens micro-oxygen analyzer - HCBBS Forum
67. A/O wastewater treatment for pulverized coal gasification - HCBBS Forum
68. Issues related to the deployment of online hydrogen analyzers - HCBBS Forum
69. Scaling in dilute acid pipelines - HCBBS Forum
70. 【Picture of the Day】2016 04 21 Take a look and see what kind of device is shown in this picture - HCBBS Forum
71. How is temperature regulated in a centrifuge used as a circulator for ammonia synthesis? - HCBBS Forum
72. Who has the electronic version of the book \"Design of Standardized Management Systems for Chemical Enterprises\"? - HCBBS Forum
73. Which is the best domestic pH meter? - HCBBS Forum
74. Graduation project - HCBBS Forum
75. Spherical tank pressure test - HCBBS Forum
76. Discussion on how to use low-mercury catalysts to extend duration - HCBBS Forum
77. Regarding lower reflux adjustment - HCBBS Forum
78. 【Daily Question No. 159】April 20, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
79. Expander stage number problem - HCBBS Forum
80. Selection between continuous and intermittent drainage for boilers - HCBBS Forum
81. Calculation of the flow rate in a heating furnace - HCBBS Forum
82. Low-methane parking - HCBBS Forum
83. Material selection - HCBBS Forum
84. Honeywell CAB functions - HCBBS Forum
85. Leakage level of a 1-meter-diameter shut-off valve - HCBBS Forum
86. Statistics on investment and operating costs of low-temperature desulfurization and denitration SCR systems - HCBBS Forum
87. What is produced when chlorine dioxide reacts with sodium sulfite? - HCBBS Forum
88. Why does the Doctor test fail after the condensate oil is hydrogenated? - HCBBS Forum
89. What causes the increase in turbidity of high-pressure gray water? - HCBBS Forum
90. Need to find the heat exchange area, urgently - HCBBS Forum
91. One Question per Day on Synthetic Ammonia (Series 74) - HCBBS Forum
92. Is there a specific heat term in the PROII material balance? - HCBBS Forum
93. Classification of pressure vessel types - HCBBS Forum
94. For a 200-cubic-meter domestic water tank, is it better to design it in accordance with GB50341 or NBT47003? Can I use an open flat panel? - HCBBS Forum
95. Selection of the make-up water pump head - HCBBS Forum
96. What combination of processes is a reasonable integrated approach for flue gas desulfurization and denitrification in catalytic cracking? - HCBBS Forum
97. Regarding the equilibrium voltage of the electrolyzer - HCBBS Forum
98. Which chemical process generates 10% waste sulfuric acid? - HCBBS Forum
99. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 490 - HCBBS Forum
100. What are the categories and codes for control valves? - HCBBS Forum