English — Forum #337 (Page 98/163)

1. How to write material codes in a PID diagram? - HCBBS Forum
2. Coal gasification technology - HCBBS Forum
3. Fundamentals of Manufacturing Processes (Multiple Choice) 20181015 - HCBBS Forum
4. Seeking explosion-proof rupture discs with feedback function - HCBBS Forum
5. Selection of insulation enclosure materials - HCBBS Forum
6. Waiting online, urgently! ! Problems with damaged cloth bags - HCBBS Forum
7. How to eliminate water hammer in steam-containing hot water pipes? - HCBBS Forum
8. When heating with saturated steam, is it necessary to use a steam trap? ! - HCBBS Forum
9. Do liquids or gases that have no explosive limit definitely cannot explode? - HCBBS Forum
10. How to deal with the internal moisture after the device is put into water operation? - HCBBS Forum
11. Admixture formula - HCBBS Forum
12. Various kettle-type reactors, reaction principles, and structural components. - HCBBS Forum
13. Low-temperature ammonium sulfate technology - HCBBS Forum
14. Drying of viscous materials in the reactor vessel on stainless steel trays - HCBBS Forum
15. Does powdered activated carbon have an explosion limit? Does it belong to Category A? - HCBBS Forum
16. Can the mole reflux ratio and volume reflux ratio in Aspen be converted into each other? - HCBBS Forum
17. Fittings require an STL coating on the inner wall - HCBBS Forum
18. 【Daily Question】【AC Version for Static Equipment......Question 5】November 17, 2018 True/False Multiple Choice Question... - HCBBS Forum
19. Everyone who’s an expert, come and take a look at why there’s such a large temperature difference in the steam regenerator (←←) - HCBBS Forum
20. Freezing station - HCBBS Forum
21. How can one determine whether condensation can occur when using condensate water for cooling at 42? - HCBBS Forum
22. Basic Process Knowledge (Multiple Choice) 20180725 - HCBBS Forum
23. What is the purpose of adding morpholine to the steam drum? - HCBBS Forum
24. Reasons for the large difference in oxygen content at the inlet and outlet of the denitration system - HCBBS Forum
25. I need help figuring out how many meters of nitrogen gas are required - HCBBS Forum
26. Seeking help regarding acid waste treatment equipment - HCBBS Forum
27. What fire hazard category does a sewage treatment oil tank or oil sump fall under? What about the explosion protection rating? - HCBBS Forum
28. Stoichiometric coefficient, indicating the number of times the rate-limiting step occurs - HCBBS Forum
29. According to clause 5.2.17 of the petrochemical regulations, the plant control room can be located within the plant; does the plant include the manufacturing building? - HCBBS Forum
30. Looking to buy some second-hand materials for the basic exam for registered chemical engineers; it shouldn’t be too old - HCBBS Forum
31. Biogas flare - HCBBS Forum
32. Issues with lighting the furnace - HCBBS Forum
33. 0.25MPA low-pressure steam applications - HCBBS Forum
34. 【HVAC Version】Daily Question 20180711 (Short Answer) - HCBBS Forum
35. Xiaobai is seeking help regarding the issue of oil and gas condensation. - HCBBS Forum
36. The issue with the reboiler pressure. - HCBBS Forum
37. Scope of work - HCBBS Forum
38. What should be the design flow velocity for solid particle pipes? - HCBBS Forum
39. Selection of materials for chemical process pipelines - HCBBS Forum
40. I would like to ask whether a fire water tank is considered a class II critical facility for the entire plant - HCBBS Forum
41. Sodium hydrosulfide purification - HCBBS Forum
42. Basic Process Knowledge (Multiple Choice) 20181120 - HCBBS Forum
43. Seeking advice on PTA logistics - HCBBS Forum
44. Air coolers housed in a “large heating room” – clever solutions to prevent freezing and condensation in DMTO units - HCBBS Forum
45. [Daily Question] [Static Equipment Communication Version...Question 2] Multiple choice question on November 14, 2018...Participation will win prizes - HCBBS Forum
46. Ask what is produced when zirconium oxychloride reacts with ammonia and sodium hydroxide respectively - HCBBS Forum
47. Is an oversized discharge capacity in the design of safety valves merely an increase in costs, or are there other risks as well? - HCBBS Forum
48. Understanding partial pressure and operating pressure - HCBBS Forum
49. Elbow, 45 DEG, LR, SMLS, BW, GB/T 8163 20, SH/T 3408, DN80, SCH80? - HCBBS Forum
50. Fundamentals of Manufacturing Processes (Multiple Choice) 20181115 - HCBBS Forum
51. Problems with sodium metal treatment - HCBBS Forum
52. Are PN10 pipes still used in gas stations these days? - HCBBS Forum
53. Vacuum - HCBBS Forum
54. Heat exchanger - HCBBS Forum
55. Dodecene antioxidant - HCBBS Forum
56. Set up a pressure relief manhole or a hydraulic safety valve - HCBBS Forum
57. Basic Process Knowledge (Multiple Choice) 20180726 - HCBBS Forum
58. Liquid chlorine cylinder - HCBBS Forum
59. 【HVAC Version】Daily Question 20180616 - HCBBS Forum
60. Rainwater treatment in the factory area during summer - HCBBS Forum
61. Visali, Italy - HCBBS Forum
62. Industrially refined salt - HCBBS Forum
63. Will the pressure drop after 6 kilograms of steam undergo heat exchange? - HCBBS Forum
64. Oven design for drying carbon black after packaging - HCBBS Forum
65. Question: Information regarding pressure swing adsorption PSA - HCBBS Forum
66. Basic Process Knowledge (Multiple Choice) 20180929 - HCBBS Forum
67. Fundamentals of Processing Technology (Multiple Choice) 20180921 - HCBBS Forum
68. Size of the safety valve manifold for the tank bank - HCBBS Forum
69. Basic Process Knowledge (Multiple Choice) 20180716 - HCBBS Forum
70. I just started working in process engineering at a chemical engineering design institute – how should I pursue my learning? - HCBBS Forum
71. Basic Process Knowledge (Multiple Choice) 20180827 - HCBBS Forum
72. The solution contains about 2% hydrobromic acid, about 0.5% dichloroethane, as well as small amounts of hydrochloric acid and bromoethane; what about its viscosity... - HCBBS Forum
73. Newbie. How to determine the pump head and pipe diameter? - HCBBS Forum
74. Which process should be used for the dehydration of waste organic solvents? - HCBBS Forum
75. Fundamentals of Processing Technology (Multiple Choice) 20181008 - HCBBS Forum
76. Basic Process Knowledge (Multiple Choice) 20181112 - HCBBS Forum
77. Calculation of orifice plates for liquid flow restriction - HCBBS Forum
78. Does a pump designed for a heat pump system also need to have anti-condensation piping? - HCBBS Forum
79. Selection between venting and sealed discharge - HCBBS Forum
80. Basic Process Knowledge (Multiple Choice) 20180926 - HCBBS Forum
81. Please share the size of the hazardous waste warehouses in your design projects or factories, as well as the types of fires that can occur there - HCBBS Forum
82. PID diagram - HCBBS Forum
83. What installation method is used for the thermometer on the pool? Or what type of thermometer would be good? - HCBBS Forum
84. May I ask whether for steam tracing pipes, steam is connected to the starting end of the main pipe with a drain valve installed at the end, or should one be installed at intervals along the pipe... - HCBBS Forum
85. Vacuum - HCBBS Forum
86. On the calculation of shaft power for pumps in chemical processing plants - HCBBS Forum
87. Basic Process Knowledge (Multiple Choice) 20180807 - HCBBS Forum
88. Basic Process Knowledge (Multiple Choice) 20181012 - HCBBS Forum
89. Relationship between the volume of industrial circulating cooling water systems and the hourly circulating water volume - HCBBS Forum
90. Regarding the fate of the liquid phase in the liquid separation tank at the inlet of the new hydrogen compressor - HCBBS Forum
91. Aluminum chloride solution concentration and crystallization technology - HCBBS Forum
92. Which reaction involves two key regulatory processes? - HCBBS Forum
93. Grinding of accelerator CBS - HCBBS Forum
94. What is the latest year for the Rules of Transport of Dangerous Goods? - HCBBS Forum
95. Regarding whether certain requirements applicable to chemical enterprises must also be followed by non-chemical enterprises - HCBBS Forum
96. How to draw a breathing filter in PID? - HCBBS Forum
97. Newbies ask for advice on how to draw P&ID - HCBBS Forum
98. Device for continuous extraction and layer separation - HCBBS Forum
99. Are there any issues with the safety valve design process? The design process is as follows - HCBBS Forum
100. Bag dust collectors are not equipped with induced draft fans - HCBBS Forum