English — Forum #337 (Page 8/163)

1. Need advice on the breathing valve for an ammonia tank? - HCBBS Forum
2. Is there a problem with the piping installation of this pump? - HCBBS Forum
3. Regarding the effect of the reboiler circulation rate on steam consumption - HCBBS Forum
4. [Weekly Image] Catalytic Coking Reformate Blending Version (First image of May 2017) - HCBBS Forum
5. Blind flange on the siphon reboiler pipeline - HCBBS Forum
6. What software is used to create a 3D model that can also be animated? - HCBBS Forum
7. Composition of water after exhaust gas denitration - HCBBS Forum
8. Help: Which institution in China possesses the technology for producing acid through aldehyde oxidation? - HCBBS Forum
9. 【Daily Question】【AC Version for Static Equipment...Question 75】March 16, 2019...Essay question...Everything is going well - HCBBS Forum
10. I’m seeking help regarding **the gas velocity of water vapor under negative pressure** - HCBBS Forum
11. Let’s discuss the issue of multiple devices and structures in civil engineering drawings - HCBBS Forum
12. How to estimate the diameter of medical oxygen pipelines - HCBBS Forum
13. Aromatic extraction unit column surge - HCBBS Forum
14. I have a question regarding hydrogen gas flow velocity and flow rate! - HCBBS Forum
15. Plug and socket welded wedge gate valve - A182Gr.F316 CL3000 - HCBBS Forum
16. Chemical equation for epichlorohydrin - HCBBS Forum
17. Methacraldehyde - HCBBS Forum
18. minimum coincident temperature - HCBBS Forum
19. What are the vaporization rate, as well as the volumetric and mass flow rates of gas generated by this storage tank? - HCBBS Forum
20. 【Haichuan Institution Establishment Review Series Discussion】Job Responsibilities of Professionals in Design Institutions - HCBBS Forum
21. Why is recycled hydrogen added in the propane dehydrogenation reaction? - HCBBS Forum
22. Fundamentals of Manufacturing Processes (Multiple Choice) 20180710 - HCBBS Forum
23. Questions and Answers on the Sources of Purified Water and Water for Injection (8.17 – Daily Q&A) - HCBBS Forum
24. What is the control scheme for double-effect distillation of methanol? - HCBBS Forum
25. [Daily Question] Basic Process Knowledge (True/False Questions) 20190905 - HCBBS Forum
26. Pumping liquid - HCBBS Forum
27. Two issues that remain unclear in the ethyl acetate solvent recovery process - HCBBS Forum
28. Can a steam pipe be operated without a safety valve after pressure reduction? - HCBBS Forum
29. 【Daily Question】 【AC Version for Static Equipment...Question 37】 December 22, 2018 – True/False Multiple Choice Question...Prizes Available - HCBBS Forum
30. Document No. 32014-68 issued by the Chief Safety Officer: Liquid level in tank areas - HCBBS Forum
31. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (November 13) - HCBBS Forum
32. I would like to ask whether the lifting rod mechanism for boiler steel structures requires heat treatment - HCBBS Forum
33. 【2026 Pyrolysis Reaction】The pyrolysis reaction must be carried out at a low hydrocarbon partial pressure - HCBBS Forum
34. How is the density of propane at different temperatures calculated in a propane tank at room temperature? - HCBBS Forum
35. Design temperature for pipelines at normal temperature - HCBBS Forum
36. S22053 welding - HCBBS Forum
37. [Pipeline Valve Technology Edition-Daily Question Common Mistakes in Piping] 20170730 - HCBBS Forum
38. 【Ten Years of Rapid Development in Chemical Equipment】From 2013 to 2025, the pressure swing adsorption technology developed by the Southwest Research Institute for the recovery and utilization of industrial by-gas has been applied in over 1,000 units - HCBBS Forum
39. Understanding of chains and understanding of SIS - HCBBS Forum
40. [Help] Ester reactions – what are the reasons for low yield? - HCBBS Forum
41. How should the installed capacity of a project be calculated correctly? - HCBBS Forum
42. I’m seeking advice from experts: are there any good methods for treating MVR concentrate at the moment? - HCBBS Forum
43. The organic waste gas contains a small amount of hydrochloric acid vapor; what material is suitable for use in adsorption equipment? - HCBBS Forum
44. E-book: Basics of Petroleum Refining Units – Atmospheric and Vacuum Distillation Units (Part 1) - HCBBS Forum
45. Need translation help! What does “MBE Site Class” mean in seismic design? - HCBBS Forum
46. 3 million tons per year! Sinopec’s PTA project in Yizheng, Jiangsu has officially started operations - HCBBS Forum
47. Regarding the storage and transportation of glacial acetic acid - HCBBS Forum
48. What is the highest concentration of ammonia solution that can be obtained from the ammonia nitrogen in wastewater, after it has been removed using a stripping tower? What is the highest concentration that sulfuric acid an can be made at? - HCBBS Forum
49. Circulation flow rate in chemical processing units - HCBBS Forum
50. What is produced when phosphorus trichloride reacts with 32% sodium hydroxide? Is phosphine generated? - HCBBS Forum
51. I would like to know why the use of benzene removal agents and coconut shell activated carbon yields poor results in removing trace amounts of benzene from carbon dioxide - HCBBS Forum
52. Basic Process Knowledge (True/False Questions) 20171027 - HCBBS Forum
53. Looking for an instrument for online detection of lubricant content in gases - HCBBS Forum
54. Regarding the determination of CO toxicity hazard levels - HCBBS Forum
55. 【Picture of the Day】【Civil Engineering Version 20170119】 - HCBBS Forum
56. What does it mean that in GB151-2014 6.5.3.2, the sealing surface of the partition groove is at the same level as the annular sealing surface? - HCBBS Forum
57. Can electric heat tracing be used in hydrogen production workshops or hydrogen-using workshops? - HCBBS Forum
58. Flash tank - HCBBS Forum
59. 2017 Summary Post of Daily Questions on the Catalytic Coking Reformate Blending Version - HCBBS Forum
60. Can this happen with a steam ejector? - HCBBS Forum
61. If stainless steel pipes need to be protected against corrosion, what should be done? ? - HCBBS Forum
62. Serious doubts regarding the validity of standard specifications - HCBBS Forum
63. How can process engineers grow? - HCBBS Forum
64. Actual flow path area and flow coefficient of the safety valve - HCBBS Forum
65. Purpose of the make-up fuel gas line in the propane dehydrogenation compression process - HCBBS Forum
66. Discussion on the exhaust ring coil of the acrylonitrile reaction gas cooler - HCBBS Forum
67. Is there no data on the flash point of dichloromethane? - HCBBS Forum
68. Old K says every week – talking about things in the petrochemical design industry. Post 50: The handwheel of control valves and valve assemblies - HCBBS Forum
69. Old K says every week – talk about things in the petrochemical design industry. Post 20: Talking about those excessive patent applications - HCBBS Forum
70. What are the potential problems if a water cooler is chosen to be too large? - HCBBS Forum
71. Introduction to Ceramic Wear-Resistant Elbows - HCBBS Forum
72. 2018·1 Reward HAICHUAN Coins Allocation Plan for the Process Division - HCBBS Forum
73. Which standard appendix mentions the corrosion resistance of various non-metallic materials in different media? The one with tables, I mean - HCBBS Forum
74. Condensate phase equilibrium and material non-conservation in reduced-pressure gasification - HCBBS Forum
75. 【Daily Topic】【Civil Engineering Version 20170106】 - HCBBS Forum
76. Chloride ion issue when alternating the use of brine and circulating water in reaction vessels - HCBBS Forum
77. 【Frontiers in HaiChuan Chemical Technology】A series of significant advancements made by East China University of Science and Technology in the field of selective control in multiphase catalytic reactions - HCBBS Forum
78. Help: Filtering materials resistant to titanium tetrachloride corrosion - HCBBS Forum
79. Chemical composition of 07Cr2AlMoRE, impact temperature of 07Cr2AlMoRE, yield strength and tensile strength of 07Cr2AlMoRE - HCBBS Forum
80. Valves for hydrogen pipelines - HCBBS Forum
81. 【Frontiers in HaiChuan Chemical Technology】Patent for “A Device for Producing Propylene Oxide via Direct Oxidation with Hydrogen Peroxide” - HCBBS Forum
82. Shanxi Blower CCUS technology has been included in the **Technical Equipment Catalogue - HCBBS Forum
83. What does “Std ideal Liq vol flow” mean? ! - HCBBS Forum
84. Fine chemical industry of wet phosphoric acid - HCBBS Forum
85. Does a low-flow pump require consideration of a minimum flow return line? - HCBBS Forum
86. Specifications for precision filter elements for liquid materials entering the clean area - HCBBS Forum
87. Fundamentals of Manufacturing Processes (True/False Questions) 20170827 - HCBBS Forum
88. 【HVAC Version】Daily Question 20171224 - HCBBS Forum
89. Mycelium concentration and drying equipment – seeking recommendations - HCBBS Forum
90. Registered Chemical Engineer – Experience Sharing Event: “Learning from Others’ Experiences” - HCBBS Forum
91. Can a π-bend be used for the steam condensate pipeline on the pipe rack? - HCBBS Forum
92. Safe distance between natural gas boilers and natural gas storage tanks - HCBBS Forum
93. When designing new projects, how are the adiabatic furnace chambers and water-cooled wall furnace chambers determined? Are there any rules? - HCBBS Forum
94. The equipment manufacturing company provides the drawings to our unit; so how does our unit pass these drawings on to the client? - HCBBS Forum
95. Who has the formula for calculating resistance using viscosity and coefficient of friction? - HCBBS Forum
96. Understanding of the unit and its storage tank? - HCBBS Forum
97. 【Mechanical Equipment Technology Edition】Daily Question 20180703: Refrigeration Systems — Refrigeration Parameters (14) - HCBBS Forum
98. The volume of the storage tanks for Class A and B liquids is not large, so they want to place them inside the factory building; they say that if their name is changed to \"metering tanks\", they can be placed inside the factory building - HCBBS Forum
99. Seeking help with SW ethylene-related issues - HCBBS Forum
100. Temperature of ammonia synthesis tower - HCBBS Forum