English — Forum #336 (Page 13/51)

1. I have been working in chemical engineering design in chemical companies for many years; please leave a message below if you need PID drawings drawn - HCBBS Forum
2. 【Ten Years of Rapid Development in Chemical Equipment】The first industrial demonstration project for methanol-to-olefins in China’s petrochemical industry, carried out from 1979 to 2014, passed the acceptance assessment - HCBBS Forum
3. Ammonia removal from leachate – Tulsimer®T-42H ammonia-removing resin - HCBBS Forum
4. Regarding the fire separation distance for factory buildings - HCBBS Forum
5. Regarding the F113a reactor, why does the presence of water in the raw materials affect the reaction time? - HCBBS Forum
6. Projects for producing methanol from natural gas or extracting helium from LNG plants - HCBBS Forum
7. Reference standards for the design of storage tanks in storage and transportation systems in fine chemical engineering design - HCBBS Forum
8. Recruiting pipeline design engineers, location: Wuhan - HCBBS Forum
9. Liquid-phase hydrogenation project - HCBBS Forum
10. “Episode 93 of the “Turning Hazards into Safety” online seminar: Managing the factors of people, machinery, materials, methods, and environment to ensure safe production in winter - HCBBS Forum
11. Guys, please take a look at the HTRI results! - HCBBS Forum
12. What tool manuals do designers at design institutes generally use? - HCBBS Forum
13. 【Haichuan Equipment Guessing Game】Two guys hiding in the cooling tower - HCBBS Forum
14. Height difference issues inside and outside warehouses for Categories 3 and 4 - HCBBS Forum
15. Questions regarding non-destructive testing of the weld joints on pressure vessels of categories C, D, and E - HCBBS Forum
16. Why is a pressure gauge connected behind the pump - HCBBS Forum
17. Discussion on the fire separation distance for emergency ponds in chemical engineering construction projects - HCBBS Forum
18. After completing a design project, it is necessary to write a construction summary - HCBBS Forum
19. Automation - HCBBS Forum
20. [Haichuan Project Updates] Public announcement regarding the acceptance for environmental impact assessment of Jiangsu Hongjing New Materials’ high-end copolymer material project (Phase 2) - HCBBS Forum
21. What are the standards for food-grade and sanitary-grade fittings? - HCBBS Forum
22. Request for book: “Guide to Chlorine Safety Management”, edited by Hu Yongqiang - HCBBS Forum
23. Moved from a clerical position to a process design position - HCBBS Forum
24. I would like to ask the experts: which standard specifies that pumps without leaks should be used for highly hazardous media (such as shielded pumps and magnetic drive pumps)? - HCBBS Forum
25. Seeking advice on pressure setting for rupture discs - HCBBS Forum
26. 【Haichuan Chemical Project Information】SABIC will build a thermoplastic engineering plastic alloy factory in Fujian - HCBBS Forum
27. Guide to the Automated Application of Safety in Chemical Processes (2nd Edition) - HCBBS Forum
28. When using Aspen for simulation, how are the pressures of the condenser and reboiler determined? - HCBBS Forum
29. Regarding the design pressure for boundary conditions, operating pressure, intrinsic safety, operating conditions, and misoperations – how do people make decisions regarding these aspects? - HCBBS Forum
30. Seeking advice! How is the volume of the vapor-liquid separator connected to the exhaust port of a water ring pump calculated? - HCBBS Forum
31. Comrades, like the situation in the picture, where can I find it after downloading it? - HCBBS Forum
32. 【Principles of Chemical Process Safety Design】Safety valve - HCBBS Forum
33. Equipment to replace plate and frame filter presses in chemical production - HCBBS Forum
34. What kind of device is this? - HCBBS Forum
35. Is it better to use FO or FC for the on/off valve in front of the automatic exhaust valve? - HCBBS Forum
36. Impact of solid particle pairs on filtration operation - HCBBS Forum
37. Lecture on Design Management - HCBBS Forum
38. What is the typical pressure in exhaust pipes? Is there anyone with practical experience? - HCBBS Forum
39. 【Haichuan Equipment Guessing Game】Why are there such dashed lines on the equipment? - HCBBS Forum
40. How to condense saturated steam below its boiling point - HCBBS Forum
41. How is the hot water outlet temperature of hot-water lithium bromide chiller units determined? - HCBBS Forum
42. Is the safety valve still useful after removing the nitrogen seal from the raw material buffer tank? - HCBBS Forum
43. Can an emergency pump be installed inside the cofferdam? - HCBBS Forum
44. Online alkali concentration monitoring in chlorine absorption tower - HCBBS Forum
45. Can a dual synthesis tower be switched to single-tower operation during operation due to insufficient gas flow? - HCBBS Forum
46. Selection of hydrogen flow meters and flow rate issues - HCBBS Forum
47. Is it necessary to fill titanium container equipment with nitrogen at the time of shipment? - HCBBS Forum
48. What is the maximum allowable oxygen content in steam? Is there a method to determine the oxygen content in steam? - HCBBS Forum
49. High-concentration gas Aspen input - HCBBS Forum
50. 【Haichuan Equipment Guessing Game】Important equipment in the basic industry - HCBBS Forum
51. Please transfer Baidu’s materials as soon as possible, thank you - HCBBS Forum
52. The structural formula of a biphosphine ligand is known, but its name is not - HCBBS Forum
53. I have a question for my friends: how should the exhaust gases and pressure relief from batch hydrogenation reactions be handled? - HCBBS Forum
54. What is an explosion venting tank? - HCBBS Forum
55. Thermal expansion problem in packed towers - HCBBS Forum
56. Could any expert share a project management folder? Thank you! May good fortune be with you all in your replies! - HCBBS Forum
57. Contents of Annex 1 and the attached schematic diagrams (Lu Jing Ji Zi [2021] No. 135) - HCBBS Forum
58. Hydrogen sulfide pipelines - HCBBS Forum
59. Seek insulation design methods for acrylic pipes and equipment - HCBBS Forum
60. Can a nitrogen seal reduce the evaporation of liquid in the storage tank? - HCBBS Forum
61. Material control design - HCBBS Forum
62. Can trace acetals in ethylene glycol be removed using basic adsorbents? - HCBBS Forum
63. Hot air and cold air - HCBBS Forum
64. How should the exhaust volume for hazardous materials warehouses be calculated? - HCBBS Forum
65. Recommendations for supervisors at the School of Chemical Engineering, Nanjing Tech University - HCBBS Forum
66. Specific heat capacity of organic compounds - HCBBS Forum
67. Pump station design and selection calculation data - HCBBS Forum
68. Sodium hydrosulfide design unit - HCBBS Forum
69. The flares for large petrochemical projects are usually 150 meters tall; why is the flare at Yulong Petrochemical as tall as 168 meters? - HCBBS Forum
70. Free video tutorial on calculating stirring speed and power - HCBBS Forum
71. To be able to view the 3D map of the device on a smartphone - HCBBS Forum
72. Under what circumstances must voluntary standards be implemented? - HCBBS Forum
73. Explanation of the conversion table for natural gas water content and dew point - HCBBS Forum
74. Searching for the process flow diagram and material balance sheet for 400 tons/day ammonia stripping process - HCBBS Forum
75. Does a steam drum need a safety valve? - HCBBS Forum
76. Discussion on the basic requirements for safety control in key chemical processes under stringent supervision - HCBBS Forum
77. The concentration of SO2 generated by liquid sulfur burning in a sulfur burner - HCBBS Forum
78. Synthesis of butyl acrylate PBA - HCBBS Forum
79. Is the chemical industry better than the real estate industry? - HCBBS Forum
80. When performing design calculations for pressure vessels, is it safer to use a smaller welding joint coefficient? - HCBBS Forum
81. Interpretation of Regulations on Safety Design for Chemical Engineering Construction Projects, along with the ’Safety Section’, ’Occupational Diseases Section’ and ’Fire Protection Section’’ - HCBBS Forum
82. The AQ3059 standard requires a wastewater collection tank to be installed behind the liquefied hydrocarbon water separator - HCBBS Forum
83. 【Haichuan Project Updates】World’s largest coal-based methanol monomer project – Xinjiang Qiya New Materials’ plant with an annual production capacity of 6 million tons of coal-based methanol has commenced operations - HCBBS Forum
84. Review of the process package for Qingyang Tongxin’s 150,000-ton maleic anhydride production facility project - HCBBS Forum
85. Brothers, how can we download it to our computers just like in the picture? - HCBBS Forum
86. Which standard replaced SH/T 3546-2011? - HCBBS Forum
87. Can sulfuric acid pipelines be laid in trenches? - HCBBS Forum
88. What is the structural principle of a steam temperature and pressure reducer? - HCBBS Forum
89. Material description for large-diameter metric pipe fittings - HCBBS Forum
90. How does the reset in the diagram work? - HCBBS Forum
91. Discussion on the fire hazard classification of liquid ammonia distillation units - HCBBS Forum
92. Regarding the overall design, the role of the technical lead, and the scope of work and differences between the system institute (system pipelines) - HCBBS Forum
93. Could someone expert help me figure out what it means? - HCBBS Forum
94. Standards for connections of galvanized pipe fittings - HCBBS Forum
95. Searching for design firms and technical personnel for producing carbon black from natural gas - HCBBS Forum
96. Trichloromethyl chloroformate pipeline design - HCBBS Forum
97. Backpressure issue in the condensate system downstream of the reboiler - HCBBS Forum
98. Free tutorial on how to use the gas parameter calculation table - HCBBS Forum
99. What should be done if the wall thickness of the pipe is less than the minimum thickness of the neck of a welded flange with a neck? Can the flange neck also be thinned? - HCBBS Forum
100. The sump is 3 meters above the ground level; it has a drain opening at the bottom with a diameter of DN100 mm. How long does it take to drain 1 cubic meter of water? - HCBBS Forum