English — Forum #337 (Page 147/163)

1. I just want to say, how many stories like this are there these days? - HCBBS Forum
2. What gases are needed in the fiber optic manufacturing industry? - HCBBS Forum
3. There are many electronic versions of the standards, please share them with everyone. If you need them, please contact me and donate them free of charge. - HCBBS Forum
4. Serious doubts regarding the validity of standard specifications - HCBBS Forum
5. According to the regulations, the distance between the loading/unloading nozzles for Class A and B liquids and Class A and B dome tanks must be 20 meters; what should be done if this requirement cannot be met? ? - HCBBS Forum
6. I need an expert to explain what the PSA raw gas reactor is, as shown in the diagram - HCBBS Forum
7. 2017 Summary Post of Daily Questions on the Catalytic Coking Reformate Blending Version - HCBBS Forum
8. How to calculate the flow velocity at the bottom outlet of a sump? - HCBBS Forum
9. Should criminal liability be pursued for the consequences of design flaws? - HCBBS Forum
10. Hydrogen sulfide content issue in hydrorefining units - HCBBS Forum
11. Flash tank - HCBBS Forum
12. [Weekly Image] Catalytic Coking Reformate Blending Version (Fourth Image of May 2017) - HCBBS Forum
13. Ethyl α-acrylate - HCBBS Forum
14. What scale of devices are generally referred to as “pilot testing” and “industrial-scale testing”? - HCBBS Forum
15. Location of polymerization inhibitor addition in the styrene distillation system - HCBBS Forum
16. Quality of desulfurization products in refineries - HCBBS Forum
17. How is the flow rate calculated in this case? - HCBBS Forum
18. Coal-to-oil hydrogenation - HCBBS Forum
19. How should concrete tanks containing Class A and Class B liquids be classified? ? - HCBBS Forum
20. Is it necessary to use a gas storage tank with an air compressor? - HCBBS Forum
21. What is the impact of reducing the salt content from 8 to 4 after vacuum distillation on the catalysts in the catalytic unit? - HCBBS Forum
22. 【Daily Topic】【HVAC Version 20170508】 - HCBBS Forum
23. Level control for underground storage tanks - HCBBS Forum
24. Request for the process flow diagram of an ammonia screw compressor refrigeration system - HCBBS Forum
25. Can the 200m3 unit storage tank be located in the tank farm? - HCBBS Forum
26. The evaluation expert asked, don’t regular gas stations usually have combustible gas alarms? 【Existing Conclusions】】 - HCBBS Forum
27. C023 Q&A on Methanol Production from Coke Oven Gas - HCBBS Forum
28. Condensate tank pressure - HCBBS Forum
29. Methylamine pipeline: install safety valves - HCBBS Forum
30. If the fan resistance decreases, will the flow rate increase? ! - HCBBS Forum
31. Active saddle - HCBBS Forum
32. E-book material ~ Lecture on the Basics of Catalytic Reforming Units (Chapter 4) - HCBBS Forum
33. 【Daily Topic】【HVAC Version 20170414】 - HCBBS Forum
34. Is there such a pipeline design? - HCBBS Forum
35. What does \"meeting\" mean in the chemical industry? Please explain - HCBBS Forum
36. Urea pneumatic conveying solution (manufacturer or supplier) - HCBBS Forum
37. Ethylene glycol process - HCBBS Forum
38. Clogging of the sight glass in the tar pipeline - HCBBS Forum
39. Solubility conversion problem - HCBBS Forum
40. N-octylamine technology and processes - HCBBS Forum
41. There is a manufacturing issue - HCBBS Forum
42. Steam data - HCBBS Forum
43. E-book Basic Knowledge of Petroleum Refining Units-MTBE Unit (6) - HCBBS Forum
44. Ethanol is a controlled chemical! - HCBBS Forum
45. Complete set of technologies for the separation of sulfur dioxide and hydrogen chloride gases - HCBBS Forum
46. What are the advantages of left-handed and right-handed fans? ! - HCBBS Forum
47. Design calculations in the polyester industry - HCBBS Forum
48. Help! - HCBBS Forum
49. Hazard classification - HCBBS Forum
50. Process engineers should have knowledge of equipment - HCBBS Forum
51. Gurus, is there any highly viscous semi-solid that can remove the latex paint from the fine wood grain of solid wood floors? - HCBBS Forum
52. With liquid ammonia refrigeration, what temperature can the cooling water reach? For example, how to control temperatures at 0 degrees, or minus 5 degrees, or even minus 10 degrees? - HCBBS Forum
53. What are the acceptance criteria and precautions for pickling? - HCBBS Forum
54. Using one thing to satisfy another’s need 【Classification of various chillers and their respective advantages and disadvantages】 - HCBBS Forum
55. A Casual Discussion on Alkylation Techniques – Excerpt Sharing - HCBBS Forum
56. It is used to determine whether a certain gas or gas mixture can be burned in a torch - HCBBS Forum
57. Increase in calorific value of organic waste liquids - HCBBS Forum
58. I have a question for everyone: How much heat is required to vaporize 100 kg of ammonia at 20°C completely to a temperature above 100°C? - HCBBS Forum
59. Are distribution rooms and control rooms considered industrial buildings or civil buildings? ? - HCBBS Forum
60. Can No. 20 fluid pipe be used for water pipes? - HCBBS Forum
61. 【Daily Topic】【HVAC Version 20170519】 - HCBBS Forum
62. Which position is responsible for following the operating procedures when designing? - HCBBS Forum
63. May I ask if support frames can be installed on the side of the factory building for Class A and B liquid pipelines? ? Urgent! Urgent! Urgent! ! - HCBBS Forum
64. How to choose an online pH meter for reaction vessels? Seeking recommendations - HCBBS Forum
65. Is the ethanol plant designed for Category 1 lightning protection or Category 2 lightning protection? - HCBBS Forum
66. Is the pipeline design appropriate? - HCBBS Forum
67. Allowable pressure loss in the instrument flowmeter condition table - HCBBS Forum
68. Issues regarding the steam heating process for the reactor jacket - HCBBS Forum
69. For PPR double-check ball valves, which standards apply, and where can I find the dimensions? ! - HCBBS Forum
70. Do storage tanks for Class A and Class B liquids necessarily require dip pipes for loading and unloading? ? Can I skip it? - HCBBS Forum
71. 【Daily Topic】【HVAC Version 20170609】 - HCBBS Forum
72. E-book: Basics of Petroleum Refining Units – Atmospheric and Vacuum Distillation Units (Part 1) - HCBBS Forum
73. Issues with 97% nitric acid storage tanks - HCBBS Forum
74. The reason for the chain jam in the hand chain hoist is here - HCBBS Forum
75. Baume degree of hydrochloric acid - HCBBS Forum
76. Excel automated scheduling tool for coking plant coke pushing plans - HCBBS Forum
77. Design Code for Long-Distance Hydrogen Pipelines - HCBBS Forum
78. [Weekly Image] Catalytic Coking Reformate Blending Version (Second image of April 2017) - HCBBS Forum
79. Does anyone know which specific standard and which article it refers to? ? - HCBBS Forum
80. Process calculation - HCBBS Forum
81. The origin of printers - HCBBS Forum
82. The fluid flow in the pipeline has been interrupted - HCBBS Forum
83. 【Daily Topic】【HVAC Version 20170401】 - HCBBS Forum
84. Are there any design codes for chemical plant buildings? - HCBBS Forum
85. E-book materials ~ Lecture on the Basics of Catalytic Reforming Units (Chapter 3, Sections 1 and 2) - HCBBS Forum
86. Silicon tetrachloride market analysis - HCBBS Forum
87. Olefin separation - HCBBS Forum
88. Start over - HCBBS Forum
89. E-book material ~ The ideal operating process of compressors (III) - HCBBS Forum
90. Why do the pipelines from heat exchange equipment through which heat transfer oil flows have U-shaped bends? What is the reason for this? - HCBBS Forum
91. Venting of the hydrogen pipeline safety valve - HCBBS Forum
92. Regarding the three inspections and four confirmations in the construction process - HCBBS Forum
93. 【Daily Question】Poetry and Literature Edition (170320) - HCBBS Forum
94. For the drying of polyethylene glycol products, what kind of dryer is suitable? - HCBBS Forum
95. Flat head screws and countersunk screws - HCBBS Forum
96. What does it mean to add vanadium pentoxide to the desulfurization solution? - HCBBS Forum
97. Heat exchanger selection - HCBBS Forum
98. Seek experts to examine the diagram and identify the problems! - HCBBS Forum
99. What is the industrial equipment corresponding to a muffle furnace? - HCBBS Forum
100. How to define oligomers in Aspen? I still can’t do it even after reading the books - HCBBS Forum