English — Forum #337 (Page 46/163)

1. Exchange answers to various questions regarding adsorption resins and ion exchange resins - HCBBS Forum
2. Old K says every week – Talking about things in the petrochemical design industry. Post 15: Explanation of PID versions and management of PID modifications - HCBBS Forum
3. Reaction selectivity - HCBBS Forum
4. What is the difference between fine chemicals and petrochemicals, as well as coal chemicals? - HCBBS Forum
5. Issues regarding the commissioning of the steam system. - HCBBS Forum
6. Can a high liquid level in the propylene refrigerant collection tank cause high outlet pressure in the propylene refrigeration compressor? - HCBBS Forum
7. How should I understand this temperature-flow linkage in the graph? - HCBBS Forum
8. How to distinguish between utility systems and auxiliary systems? - HCBBS Forum
9. Class C factories are arranged in groups - HCBBS Forum
10. A brief analysis of the differences between chemically synthesized drugs and biosynthesized drugs - HCBBS Forum
11. The best separation method for nickel-magnesium solutions - HCBBS Forum
12. High-temperature valves - HCBBS Forum
13. Could you please tell me how much 1 ton of circulating water and chilled water (including chilled brine) costs at your factory? - HCBBS Forum
14. Are there any standards for the coconut shell activated carbon used in phosgene reactors? Could you recommend some manufacturers? - HCBBS Forum
15. Process Package Document Design What is material balance? - HCBBS Forum
16. HF/hydrofluoric acid filter - HCBBS Forum
17. Powder quantitative feeding system - HCBBS Forum
18. Career planning - HCBBS Forum
19. Oil tank floating disk - HCBBS Forum
20. Old K says every week – talking about things in the petrochemical engineering design industry. Post 18: The issue of training design professionals - HCBBS Forum
21. Smoke suppression measures for enclosed ground flares - HCBBS Forum
22. For equipment that is not completely filled, how to calculate the liquid level height of the fluid - HCBBS Forum
23. Principle of nitric acid concentration by magnesium nitrate method - HCBBS Forum
24. The list of process parameters lacks the design values, alarm values, and interlock values; it also lacks information on the consequences of process parameter deviations from normal operating conditions as well as the corrective actions to take... - HCBBS Forum
25. HAZOP analysis software - HCBBS Forum
26. Need help? Storage tank cooking - HCBBS Forum
27. Dynamic weighing scale - HCBBS Forum
28. Process interlock alarm value - HCBBS Forum
29. Adsorption tower efficiency - HCBBS Forum
30. Anhydrous ethanol, industrial design of propylene - HCBBS Forum
31. How is the amount of an azeotrope determined? Are there any calculation methods? - HCBBS Forum
32. Mother liquor drying – A drying method for the mother liquor obtained after the concentration of sodium sulfate wastewater - HCBBS Forum
33. Gas deoxidation - HCBBS Forum
34. Stainless steel modular internal floating disk - HCBBS Forum
35. Purchase of internal components for the secondary brine chelation tower - HCBBS Forum
36. With concurrent construction on various projects, does this speed things up or rather delay them? - HCBBS Forum
37. Sinopec’s 2016 version of the specifications for detailed engineering design of petrochemical plants - HCBBS Forum
38. Designers from 50 years ago - HCBBS Forum
39. Urea dioxide process technology - HCBBS Forum
40. Nitrous oxide content in liquid oxygen of air separation units - HCBBS Forum
41. How does a vacuum pump automatically adjust the level of vacuum in response to fluctuations in inlet pressure? - HCBBS Forum
42. The issue of ethanol recovery in direct evaporation heat pump distillation for ethanol - HCBBS Forum
43. Unloading of Class A material tanks - HCBBS Forum
44. Ammonia cooling, ammonia triple phase diagram - HCBBS Forum
45. The power plant staff are completely in chaos – a complete list of bizarre construction practices~ - HCBBS Forum
46. The reaction of Bingtong with activated carbon - HCBBS Forum
47. Is this the correct way to understand it? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
48. I have ordered a small pilot-scale device; how can I ensure its quality and how should it be inspected? - HCBBS Forum
49. What valve does this diagram represent? - HCBBS Forum
50. When will the equipment on the side walls of the prefabricated panel houses be installed? - HCBBS Forum
51. ITP inspection plan - HCBBS Forum
52. Can the steam traps at the multiple heat tracing outlets of the tower be combined? - HCBBS Forum
53. Seeking advice from experts: For heat transfer oil pipelines operating at around 300°C, what type of valve is suitable to be used for connecting them to the main pipeline? - HCBBS Forum
54. Urgently need an osmotic vaporization module for Aspen Plus v9 - HCBBS Forum
55. Regarding the vibration of gas-liquid reaction reactors - HCBBS Forum
56. Why aren’t transparent tubes used for fuel pumps? Unveiling the secrets behind YouTube - HCBBS Forum
57. 3D diagram of three-effect evaporation for sodium chloride - HCBBS Forum
58. How to estimate equipment costs? - HCBBS Forum
59. A process for recovering organic gases in chemical production - HCBBS Forum
60. Problems with the use of threaded pipe fittings - HCBBS Forum
61. Purpose of listing a catalog of pump and compressor units with a capacity of 17 KW or more during the preliminary design and detailed design phases - HCBBS Forum
62. Screen defoamer - HCBBS Forum
63. Old K says every week – Talking about things in the petrochemical design industry. Post 26: Common codes for pipeline media - HCBBS Forum
64. Jiangsu Jinmei Hengsheng 40·60 Urea Relocation and Technical Upgrade Project - HCBBS Forum
65. High-flow centrifugal pump for low-flow delivery - HCBBS Forum
66. Regarding UOP’s solid acid Detal process - HCBBS Forum
67. Which standard specifies the symbols for special fittings/height positions of branch pipes on P&ID drawings? - HCBBS Forum
68. What category do you actually classify the fire risk in the ozone generation room as? Has explosion protection been installed for all of them? - HCBBS Forum
69. Horizontal spiral sedimentation centrifuge – feed port control method - HCBBS Forum
70. Should the branch at the end of the pipe be a elbow or a tee? - HCBBS Forum
71. Urgent! Urgent! Urgent! Could you help calculate roughly how much heat exchange area is needed? ? - HCBBS Forum
72. Calculation of specific heat capacity of organic compounds - HCBBS Forum
73. Where does the air from the backwashing process of sand-filtered gas go? - HCBBS Forum
74. Can round steel be used as the material for the pipe thread threads of pressure vessels? - HCBBS Forum
75. Insulation or heat retention: a new challenge for old revolutionaries - HCBBS Forum
76. HYSYS - LNG Analysis - HCBBS Forum
77. Distillation problem - HCBBS Forum
78. Comparison between supergravity distillation and distillation columns - HCBBS Forum
79. Why is xylene classified as Class A in terms of fire hazard? - HCBBS Forum
80. Regarding the material selection for calcium-based desulfurization nozzles - HCBBS Forum
81. Flow rate issues in steam delivery pipes - HCBBS Forum
82. How to increase the viscosity of oil? - HCBBS Forum
83. Does anyone know the manufacturing standards for liquid chlorine cylinders, such as design temperature and pressure? - HCBBS Forum
84. Process conditions: how are primary and secondary release sources classified? - HCBBS Forum
85. Pre-treatment of crude glycerin - HCBBS Forum
86. A chemical warehouse or a chemical cabinet? - HCBBS Forum
87. Free PDF to CAD converter software - HCBBS Forum
88. Fu Qi from hydrogen peroxide technology manufacturers - HCBBS Forum
89. Solutions for the removal of resorcinol tar - HCBBS Forum
90. About breather valves - HCBBS Forum
91. Whether the design institute’s qualification (Class A for chemical engineering) meets the requirements - HCBBS Forum
92. I would like to inquire about the cost of automating the liquid separation process in batch production reactors - HCBBS Forum
93. Is breath volume not required when purchasing a breathing valve? - HCBBS Forum
94. Nitrogen water seal installation for storage tanks in the tank farm - HCBBS Forum
95. Material selection for hydrogen sulfide corrosion - HCBBS Forum
96. Ox legs, mouse holes, dog bones, cat paths – have you seen them? - HCBBS Forum
97. Calculation of the average molar heat capacity at constant pressure by interpolation, and calculation of the average molar heat capacity at constant pressure for multi-component gas mixtures - HCBBS Forum
98. Seeking information on the fuel gas consumption required to start up the factory boiler - HCBBS Forum
99. How should the hoses for the 30% hydrochloric acid storage tank and the inlet and outlet of the hydrochloric acid transfer pump be selected? - HCBBS Forum
100. Design calculation of wire mesh demister - HCBBS Forum