English — Forum #723 (Page 513/642)

1. Ningxia Jinyuyuan Chemical Group Co., Ltd - HCBBS Forum
2. Has anyone used the RSLogic 500 from AB? I have a few questions - HCBBS Forum
3. Why is a water distribution system used for side filters? - HCBBS Forum
4. Installation of safety valves in the heating system of heat exchange stations - HCBBS Forum
5. How is the configuration of the central control system backed up? - HCBBS Forum
6. How to filter brown sugar solution - HCBBS Forum
7. Plastic barrel filling issues - HCBBS Forum
8. Issues with the Building Code and Petrochemical Code - HCBBS Forum
9. Water-to-hydrogen ratio at the inlet of the hydrogen production converter - HCBBS Forum
10. Lime-gypsum method, desulfurization slurry circulation pump – what are the well-known brands? ! - HCBBS Forum
11. Minimum flow rate of the converter - HCBBS Forum
12. The 14th International Conference on Pressure Vessel Technology (ICPVT-14) was held in Shanghai - HCBBS Forum
13. 【Daily Question】10.3 Back + 2； For +3~8 - HCBBS Forum
14. How to remove chloride ions from gas - HCBBS Forum
15. For multi-effect evaporation of aluminum sulfate solutions, what material should be chosen for equipment that is resistant to corrosion and high temperatures? - HCBBS Forum
16. 【Daily Question】Question from Issue 20150928 - HCBBS Forum
17. September 25: Question 42 on boiler foundations – true or false question: (A certain score will be given to the top 40 participants) - HCBBS Forum
18. Is the selection of the sealing type for the control butterfly valve also based on temperature, just like in the case of ball valves? - HCBBS Forum
19. What is the maximum temperature allowed for the delivery of gasoline and diesel? - HCBBS Forum
20. Does changing the medium shift the anti-surge operating point to the left? ? - HCBBS Forum
21. The pH in the aerobic tank drops very quickly - HCBBS Forum
22. Regarding hanging a lock - HCBBS Forum
23. Is cost control and management a key aspect of construction management? - HCBBS Forum
24. Today is the second Martyrs’ Memorial Day; flowers are offered to the martyrs - HCBBS Forum
25. Marine friends, let’s discuss the differences between catalysis and coking in terms of product yield, product quality, reaction principles, and more! - HCBBS Forum
26. 【Daily Question】Question from Issue 20150930 - HCBBS Forum
27. What are the standards for heavy metal content in catalytic cracking? - HCBBS Forum
28. 【Daily Question】Question from Issue 20150925 - HCBBS Forum
29. The tank top plate is 6 millimeters thick – how many weld passes are appropriate? - HCBBS Forum
30. How to deal with interference! - HCBBS Forum
31. What are the key process parameters that need to be closely controlled for safety in chemical production? - HCBBS Forum
32. 【Daily Question】9.24 Reply +2； For +3~8 - HCBBS Forum
33. The CO analyzer shows a negative value - HCBBS Forum
34. MTO unit carbonyl eliminator - HCBBS Forum
35. Typical process flow of sulfur recovery and exhaust gas treatment units - HCBBS Forum
36. A Letter to All Citizens - HCBBS Forum
37. Portable combustible gas detectors and manual analysis for determining whether welding can proceed safely - HCBBS Forum
38. ASPEN property analysis - HCBBS Forum
39. Which company is the best for fiberglass-reinforced plastic chlorate decomposition tanks? - HCBBS Forum
40. Valve sales - HCBBS Forum
41. 【Daily Question】Wastewater Knowledge - 9.24 (2 points for answering, 4 points for a correct answer) - HCBBS Forum
42. Regarding the continuous operation time of the water pump specified in the technical agreement - HCBBS Forum
43. Requirements related to the installation of disc brakes on cranes - HCBBS Forum
44. Method for measuring the iron ion content in the condensate water from atmospheric and vacuum distillation columns using the sulfosalicylic acid method - HCBBS Forum
45. Issues with the interlocked shutdown mechanism in the coal grinding system? - HCBBS Forum
46. Can graphite heat exchangers use heat transfer oil? - HCBBS Forum
47. About Polymers Plus - HCBBS Forum
48. Does any fellow sailor know where the incinerators at Huizhou Refining & Chemical are manufactured? Thank you all - HCBBS Forum
49. 【Daily Question】Question from Issue 20151001 - HCBBS Forum
50. May I ask which manufacturers are currently producing urea in aqueous solution? - HCBBS Forum
51. Do you all have any standards for the acceptance of mechanical pumps? - HCBBS Forum
52. Wire mesh demister - HCBBS Forum
53. The onlooker sees most of the game; I really don’t know what kind of person I am. - HCBBS Forum
54. Earn wealth - HCBBS Forum
55. How to treat phosphorus in sludge during biochemical treatment - HCBBS Forum
56. I’m confused about the industry I’m in now; I need some guidance - HCBBS Forum
57. What could be the possible reasons for the quench oil pump not delivering sufficient flow? - HCBBS Forum
58. A brief analysis of the causes of deformation in crane steel structural components - HCBBS Forum
59. What are the differences in the drawing methods between PID diagrams and PFD diagrams from a process engineering perspective, and what are the differences in their content? - HCBBS Forum
60. How to prevent palladium carbon poisoning - HCBBS Forum
61. What are the system design options for general softening and dealkalization ion exchange treatments? - HCBBS Forum
62. What are the characteristics of a fixed-bed counter-current regenerated ion exchanger? - HCBBS Forum
63. Where exactly is the power from public facilities used after it is registered? - HCBBS Forum
64. Is water ecosystem safe? The numbers tell you - HCBBS Forum
65. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 323 - HCBBS Forum
66. Metering pumps for various systems in 2*660MW units - HCBBS Forum
67. Environmental Protection Daily Question 10.6: Participate for a prize; additional rewards for correct answers - HCBBS Forum
68. Question 51 on boiler foundations, October 4: (A certain score will be given to the top 40) - HCBBS Forum
69. Compressor - HCBBS Forum
70. Mechanical seal material issues - HCBBS Forum
71. Which company is the best for Ω heat exchangers? - HCBBS Forum
72. Question 53 on boiler foundations, October 6: (A certain score will be given to the top 40) - HCBBS Forum
73. Setting of high and low pressure alarm values for pressure storage tanks, as well as specific measures to activate the interlock system - HCBBS Forum
74. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 322 - HCBBS Forum
75. Are there national standards for kerosene and diesel? - HCBBS Forum
76. 【Coal Chemicals Area】September 2015 Post about the Distribution of Moderator Salaries - HCBBS Forum
77. System expansion for domestic VIA chips - HCBBS Forum
78. What are basic error and additional error? - HCBBS Forum
79. Selected from suction pumps: which one is good? - HCBBS Forum
80. Newcomer Report - HCBBS Forum
81. Factors affecting large breathing loss - HCBBS Forum
82. -What ASME material should be used for 48-degree carbon steel heat exchange tubes? Is SA333 suitable? - HCBBS Forum
83. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 321 - HCBBS Forum
84. 【Daily Question】Question from Issue 20150928 - HCBBS Forum
85. Determination of chemical dosage for the waste boiler - HCBBS Forum
86. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 315 - HCBBS Forum
87. How to deal with high ring acid value of raw materials - HCBBS Forum
88. When comparing the two heat exchange methods, which one is better? - HCBBS Forum
89. Desulfurization of hydrogen in gasoline hydrogenation cycle - HCBBS Forum
90. The pressure difference in the benzene hydrogenation pre-reactor is 1.5 kilograms. What causes this increase in pressure difference? - HCBBS Forum
91. 【Daily Question】10.7 Back + 2； For +3~8 - HCBBS Forum
92. What on a crane must not be modified without permission - HCBBS Forum
93. Operation of liquid ammonia pumps - HCBBS Forum
94. Do pressure transmitters belong to electric remote pressure gauges? - HCBBS Forum
95. Chemical Engineering in Daily Life – Question 76: Why is the daily temperature difference greatest during the periods of White Dew and Autumn Equinox? - HCBBS Forum
96. Is there anyone an expert on water ring vacuum pumps? I need help! - HCBBS Forum
97. Sign-in record post dated September 24, 2015 - HCBBS Forum
98. The number of recalls has broken the record set in history! Volkswagen forced to recall 11 million vehicles over fraud; stock price drops 35% in two days - HCBBS Forum
99. Help with instrument calculation problems - HCBBS Forum
100. Question 49 on the boiler foundation on October 2: (A certain score will be given to the top 40) - HCBBS Forum