English — Forum #723 (Page 311/642)

1. Purchase of catalysts for hydrogen production via methanol steam cracking conversion~~ - HCBBS Forum
2. Manufacturers of damping check valves - HCBBS Forum
3. Standards for working ground and protective ground of instruments - HCBBS Forum
4. Setting of the buffer tank location and dimension specifications - HCBBS Forum
5. Methanol Section: One Question per Day. What is the significance of controlling the temperature of the gas after it has been cooled by synthetic water? 2016.03.31 - HCBBS Forum
6. I would like to ask about methods or tools that can be used to edit apps loaded in CAD - HCBBS Forum
7. Announcement on the Appointment and Removal of the Deputy Super Editor for the Special Zone - HCBBS Forum
8. How are the sizes of the inlet and outlet of a heat exchanger calculated? - HCBBS Forum
9. Wastewater treatment technology for concentrated and diluted livestock and poultry manure - HCBBS Forum
10. Does a multi-pass heat exchanger include a double pass? - HCBBS Forum
11. 【Gas Fractionation】The propane and propylene separation efficiency in the gas fractionation unit is poor; how to solve this? - HCBBS Forum
12. I would like to ask what technologies are currently used for leak detection in pressure vessels - HCBBS Forum
13. Feasibility discussion on microwave coking - HCBBS Forum
14. What are the design principles for the height of the device cofferdam, and are there any design standards as a basis? - HCBBS Forum
15. Analysis and Forecast of Calcium Carbide Price Trends as of April 8, 2016 - HCBBS Forum
16. Announcement: The operations team is expanding and accepting more members! ! - HCBBS Forum
17. How to change the background color in Aspen plus - HCBBS Forum
18. Looking for manufacturers of medical plastic tubes - HCBBS Forum
19. Rotary vane blower flow rate and pressure rise - HCBBS Forum
20. 【Weekly Topic】【Engineering Version 20160407】 - HCBBS Forum
21. I think there are some issues with the operating instructions for filling in the isolation fluid; please help take a look - HCBBS Forum
22. Looking for information on bearing displacement detectors for shielded pumps - HCBBS Forum
23. How to check your number of management sessions and management methods - HCBBS Forum
24. GB50016 Fire separation distances for warehouses - HCBBS Forum
25. Why do pigs have to climb trees? - HCBBS Forum
26. Treatment of VOCs in the packaging and printing industry using combustion methods - HCBBS Forum
27. Problems with ammonia vaporization and alkaline solutions - HCBBS Forum
28. Summary Post on the Methanol Market Conditions and Prices in April 2016 - HCBBS Forum
29. How to achieve valve feedback - HCBBS Forum
30. Maintenance Procedures - HCBBS Forum
31. Metal management - HCBBS Forum
32. Accidents that occurred in April throughout history - HCBBS Forum
33. When replying via a mobile app, why isn’t there an option to post privately? - HCBBS Forum
34. Tensile stress of the material - HCBBS Forum
35. Chemical treatment of electrolytic zinc wastewater and waste has been successfully applied in electrolytic zinc treatment projects - HCBBS Forum
36. Cleaning of compressor cooler scale - HCBBS Forum
37. Xi’an Sinochem Company is urgently seeking experienced engineers - HCBBS Forum
38. Coal chemical project - HCBBS Forum
39. Does the Mitsubishi Q series PLC have a 2-to-1 function block? - HCBBS Forum
40. Which waste lubricating oil hydrogenation plants are in operation in China? - HCBBS Forum
41. Using biogas digester fertilizer in fruit cultivation yields good results - HCBBS Forum
42. Gas cooling - HCBBS Forum
43. Electrical design qualification - HCBBS Forum
44. Selection of metal materials in a human-like gastric environment - HCBBS Forum
45. The safety assessment report for the raw material process reform project at Anhui Haoyuan has successfully passed expert review - HCBBS Forum
46. What are the methods for dealing with fouling in heat exchangers? - HCBBS Forum
47. Liquidized waste ash - HCBBS Forum
48. Occupational Health Daily Question 3.31: Participate for a prize; 5 points for each correct answer, plus an additional 5 points - HCBBS Forum
49. How to calculate the gas production rate per tank volume for large-scale biogas projects - HCBBS Forum
50. 40 Basic Fire Safety Facts to Remember - HCBBS Forum
51. I can no longer return; you continue on - HCBBS Forum
52. 【Joint Study*】【Civil Engineering Version 20160330】 - HCBBS Forum
53. Environmental impact assessment finally approved after three years; CNOOC’s coal-to-gas project faces repeated criticism? - HCBBS Forum
54. Heat exchanger Tube sheet Material - HCBBS Forum
55. Level gauge fixation - HCBBS Forum
56. Discussion on the volume of gas tanks - HCBBS Forum
57. 20 alloy (N08020) electrode grade - HCBBS Forum
58. Treatment of printing and dyeing wastewater - HCBBS Forum
59. What should be considered when choosing a water level gauge for a fire pond - HCBBS Forum
60. Are the outlets of the safety valves connected together without any reduction in diameter, and is this in compliance with the specifications? - HCBBS Forum
61. What is the typical reflux ratio for regeneration systems? - HCBBS Forum
62. For hydrogenation units: what is the maximum allowable exhaust temperature for the dry gas compressor, the fresh hydrogen compressor, and the recycled hydrogen compressor? - HCBBS Forum
63. Heat resistance temperature of fiberglass-reinforced plastic equipment in the sulfuric acid industry - HCBBS Forum
64. Issues in the treatment of fuel gas produced by olefin separation units - HCBBS Forum
65. Sulfur Daily Question, April 5------5 rewards for participation, 10 rewards for correct answers - HCBBS Forum
66. 【Daily Topic】【Quality Version 20160407】 - HCBBS Forum
67. Development status of lithium iron phosphate production capacity - HCBBS Forum
68. What measures are taken to prevent freezing of overhead pipelines (water supply pipes) in the Harbin area? - HCBBS Forum
69. What are the requirements regarding the weld thickness after pipeline welding? - HCBBS Forum
70. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 277 - HCBBS Forum
71. Sign-in record post from April 2, 2016 - HCBBS Forum
72. I’m so tired and confused - HCBBS Forum
73. 【Daily Question】Advanced Processing 20160406 Multiple Choice: According to **environmental emission standards, the pH value of wastewater discharged ( ... - HCBBS Forum
74. 【Daily Question No. 150】April 07, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
75. Environmental Protection Daily Tip 4.03: Reward for participation is 5 points, plus another 5 points for answering correctly - HCBBS Forum
76. Environmental impact assessment for Beikong’s 4 billion cubic meters of coal-to-natural gas project underway - HCBBS Forum
77. Brakes fail during the operation to increase the equipment’s load capacity - HCBBS Forum
78. Regarding the issue of pipeline diameter - HCBBS Forum
79. How to calculate superheated steam and saturated fuel consumption - HCBBS Forum
80. Reduce NOx emissions from coke oven chimneys - HCBBS Forum
81. Who has the special equipment inspection application form? - HCBBS Forum
82. Occupational Health Daily Question 4.3: Participate for a prize; 5 answers correct and another 5 prizes will be given - HCBBS Forum
83. Is it more cost-effective to use high-pressure water cleaning by a professional cleaning company or to purchase a cleaning machine itself for the gasification unit? - HCBBS Forum
84. 【Daily Question】2016 04 06 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
85. Reasons for the serrated fluctuations in the top pressure of the reforming pre-hydrogenation fractionator - HCBBS Forum
86. How to quickly and accurately master the Lurgi low-temperature alcohol washing process in Germany - HCBBS Forum
87. Hydraulic diaphragm pump - HCBBS Forum
88. Sulfur Daily Question, April 10------5 wealth for participation, 10 wealth for correct answers - HCBBS Forum
89. Allowable axial displacement of horizontal double-suction centrifugal pumps - HCBBS Forum
90. Treatment of organic sulfur in methanol in the low-temperature methanol washing cycle - HCBBS Forum
91. Vulnerabilities in performance evaluation - HCBBS Forum
92. One Question per Day on Synthetic Ammonia (Series 60) - HCBBS Forum
93. Operation steps of the low-temperature pump in the LUCI low-temperature methanol washing process - HCBBS Forum
94. What does “Paradise of 304 and 500cc” mean at the convenience store of Hai Chuan Irrigation Co., Ltd.? - HCBBS Forum
95. Foundation bolt size - HCBBS Forum
96. Help needed regarding hydraulic safety valves - HCBBS Forum
97. Environmental Protection Daily Post 4.06: Reward for participation is 5 points, plus another 5 points for answering correctly - HCBBS Forum
98. Basis for formulating the safety management system - HCBBS Forum
99. Fire-fighting interface on the hot oil furnace - HCBBS Forum
100. How is the heat exchange area of a crude benzene condenser determined? - HCBBS Forum