English — Forum #337 (Page 62/163)

1. Issue of consistent diameter in the inlet and outlet pipes of the safety valve - HCBBS Forum
2. How is the minimum processing volume specified in hydrocracking? - HCBBS Forum
3. I would like to ask the experts: what kind of valves should be used for the inlet and outlet of gas desulfurization? - HCBBS Forum
4. I would like to ask the experts: what is the qualified water treatment after sewage treatment? - HCBBS Forum
5. Solubility of hexamethylenediamine in water - HCBBS Forum
6. [Daily Question] Basic Process Knowledge (Multiple Choice) June 2, 2020 - HCBBS Forum
7. What is condensing two-phase flow? - HCBBS Forum
8. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200311 - HCBBS Forum
9. Post on the distribution of wealth rewards in Process Area for February 2020 - HCBBS Forum
10. Questions regarding freezer design - HCBBS Forum
11. Are there US standards for UPVC pipes and PP plastic pipes? The flanges used are American standard flanges with a pressure rating of 150Lb - HCBBS Forum
12. How to choose the specifications for various pipeline design series - HCBBS Forum
13. Layout requirements for common equipment in chemical plants - HCBBS Forum
14. Post on the distribution of wealth rewards for Process Area in December 2019 - HCBBS Forum
15. [Daily Question] Basic Process Knowledge (True/False) 20191123 - HCBBS Forum
16. How should the range of low-temperature influence exerted by a low-temperature pipeline on adjacent pipelines be calculated? - HCBBS Forum
17. What are the potential safety hazards at methanol-to-hydrogen production facilities? - HCBBS Forum
18. Are there any special requirements for the installation of exhaust pipes for discharging highly toxic and Class A fluids? - HCBBS Forum
19. Is there any molecular sieve that only allows water to pass through while preventing organic substances from passing? - HCBBS Forum
20. For low-nitrogen burners such as heat transfer oil furnaces, should gas control be set at the lower or upper explosion limit? - HCBBS Forum
21. Points to Note in the Production of High-Frequency Microwave Boards - HCBBS Forum
22. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200108 - HCBBS Forum
23. Hazardous waste storage facility structure - HCBBS Forum
24. Material issues related to coking wastewater - HCBBS Forum
25. Could we discuss the use of Pipeflow for calculating pumps in complex piping systems? - HCBBS Forum
26. Regarding the ice machine oil pump bypass problem - HCBBS Forum
27. Requirements of the closed-loop cycle for head - HCBBS Forum
28. Application of monolithic inductors in liquid crystal displays - HCBBS Forum
29. The specific methods for installing fixed, series-connected, and deaerators in the system - HCBBS Forum
30. Help! A simple flue tee problem. - HCBBS Forum
31. What do you know about pitting corrosion of metals and the pitting equivalent prEN? - HCBBS Forum
32. Does the centrifuge have this kind of piping or does it have this kind of centrifuge? - HCBBS Forum
33. How to simulate falling film evaporators using HTRI - HCBBS Forum
34. Selection of the crystallizer - HCBBS Forum
35. I want to ask what does double-layer storage tank mean? - HCBBS Forum
36. What flow meter is suitable for 10,000 m3/h of waste gas? - HCBBS Forum
37. How to determine whether a heat exchanger is a pressure vessel - HCBBS Forum
38. It is difficult to deal with the condensed water produced by steam regeneration after organic waste gas is adsorbed by resin. Can it be replaced by hot nitrogen regeneration? - HCBBS Forum
39. I need help calculating the secondary condenser for distillation or rectification - HCBBS Forum
40. Increase in system pressure when circulating water is stopped - HCBBS Forum
41. How should I use the pipe designation selection chart? - HCBBS Forum
42. Nitrogen displacement - HCBBS Forum
43. What is a VH exhaust cap? - HCBBS Forum
44. Process - HCBBS Forum
45. Strange phenomena in heat exchangers - HCBBS Forum
46. Question regarding the material of the MDEA lean liquid pipeline - HCBBS Forum
47. [Daily Question] Basic Process Knowledge (True/False: Fill in “√” for correct and “×” for incorrect) May 23, 2020 - HCBBS Forum
48. Problems with hydrogen pipeline fittings - HCBBS Forum
49. Seeking assistance regarding standard DEP-T-PE0103-2016: Provisions for design pressure and design temperature of pipelines - HCBBS Forum
50. Ice formation in the bearing housing of cryopumps? - HCBBS Forum
51. Does a fully automatic self-cleaning filter fall under the category of pressure vessels? - HCBBS Forum
52. Can equipment for filling gases such as oxygen, nitrogen, and argon be placed outdoors? - HCBBS Forum
53. Where can I find the environmental impact assessment report for Jinhui Zhaolong’s PBAT project? - HCBBS Forum
54. What is a good method for solvent dehydration? - HCBBS Forum
55. Do liquid ammonia tank trucks have safety pressure relief valves? - HCBBS Forum
56. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200107 - HCBBS Forum
57. [Daily Question] Basic Process Knowledge (True/False) 2020.6.21 - HCBBS Forum
58. Eight things to note when using boat-shaped switches - HCBBS Forum
59. I have a question; I hope the experts in security can help answer it - HCBBS Forum
60. How many times per hour is the fire pump room ventilated under normal conditions, and how many minutes does each ventilation cycle last? - HCBBS Forum
61. For a Φ5X6m tank filled with 5% lime milk, what kind of mixer is suitable? What power should be used? - HCBBS Forum
62. [Daily Question] Basic Process Knowledge (True/False) 2020.6.23 - HCBBS Forum
63. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200326 - HCBBS Forum
64. Hello everyone, does anyone have the contact information for Jihua Ninth Hospital? I need help! - HCBBS Forum
65. Dimethyl sulfoxide technology - HCBBS Forum
66. Can the hydrogen peroxide storage tank and the heavy aromatic hydrocarbons storage tank be located in the same tank farm? - HCBBS Forum
67. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200221 - HCBBS Forum
68. What coal chemical projects are under construction in Inner Mongolia in 2019? - HCBBS Forum
69. What is the purpose of using a brine pack in three-phase separators in the oil industry? - HCBBS Forum
70. [Daily Question] Basic Process Knowledge (True/False Questions) 20191112 - HCBBS Forum
71. What can boron-11 acid do? Where is it needed? - HCBBS Forum
72. Problems with valve settings in steam pipelines - HCBBS Forum
73. In the final stages of project construction, how is it determined whether purging and pressure testing are successful? Are there any relevant standards or specifications that provide guidelines on this? - HCBBS Forum
74. Removal of sediment from rivers - HCBBS Forum
75. High-temperature dust collector manufacturers - HCBBS Forum
76. For an acidic wastewater tank with a temperature of 40–60 degrees Celsius and aerated mixing, what type of level gauge is suitable? - HCBBS Forum
77. Brief description of the low-temperature methanol washing process (Dalian University of Technology) - HCBBS Forum
78. Calculations regarding the physical properties of gases - HCBBS Forum
79. Issues regarding the transfer of steam condensate - HCBBS Forum
80. Seeking advice from experts - HCBBS Forum
81. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200323 - HCBBS Forum
82. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200304 - HCBBS Forum
83. [Daily Question] Basic Process Knowledge (True/False Questions) 20191221 - HCBBS Forum
84. LPG vehicles have a large amount of residual liquid left after loading, which cannot be emptied - HCBBS Forum
85. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200218 - HCBBS Forum
86. olefins - HCBBS Forum
87. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200105 - HCBBS Forum
88. Can the vent pipes of fuel tanks be shared? - HCBBS Forum
89. How is the height of the equatorial line on a liquefied gas tank determined? - HCBBS Forum
90. Freezing point, hydrochloric acid concentration - HCBBS Forum
91. Seek standards for drawing interlock logic diagrams and related materials - HCBBS Forum
92. What factors affect the content of normal alkanes in aviation kerosene? How to improve? - HCBBS Forum
93. [Daily Question] Basic Process Knowledge (True/False Questions) 201912 6 - HCBBS Forum
94. Does anyone know the specific composition values mentioned in Example C2.1.2 of Appendix C to API 520-2014? - HCBBS Forum
95. Production process of nickel chloride - HCBBS Forum
96. Can the top of a pressure vessel be flat? Are there still regulatory requirements that mandate the use of end caps? - HCBBS Forum
97. I would like to ask about the calculation of steam pipeline flow distribution - HCBBS Forum
98. Settlement monitoring of methanol tank foundation - HCBBS Forum
99. [Daily Question] Basic Process Knowledge (True/False: Fill in “√” for correct and “×” for incorrect) April 29, 2020 - HCBBS Forum
100. How should a layout diagram of a belt conveyor be drawn? - HCBBS Forum