English — Forum #723 (Page 541/642)

1. What will happen to the feed water to the two benzene towers in the crude benzene hydrogenation pretreatment process? - HCBBS Forum
2. Experts point out that China’s chemical industry faces serious structural risks - HCBBS Forum
3. 【Daily Question】Question for Issue 20150828 - HCBBS Forum
4. Luchi BGL gasifier level sight hole - HCBBS Forum
5. White filaments appear in the diesel - HCBBS Forum
6. What to do if the steam flow is unstable - HCBBS Forum
7. Accident Handling 26: What are the causes of ash and air leakage in circulating fluidized bed boilers? - HCBBS Forum
8. 【Daily Question】Question from Issue 20150824 - HCBBS Forum
9. Seeking help with Freon leak detection instruments - HCBBS Forum
10. Uses of excess steam generated by centrifugal compressors as backpressure - HCBBS Forum
11. For desulfurization using the lime-gypsum method, how is the mixer size calculated? ! - HCBBS Forum
12. What is a chopper technology welder? - HCBBS Forum
13. Xinjiang medium and low-temperature coal tar - HCBBS Forum
14. What are the hazard factors of cranes? - HCBBS Forum
15. Note: Real exam questions from 2012, Knowledge section, afternoon session, question 51 - HCBBS Forum
16. Reasons for changes in traffic display - HCBBS Forum
17. 【Daily Question】Wastewater Knowledge – August 28 (2 points for answering, 4 points for a correct answer) - HCBBS Forum
18. Design of structured packing towers - HCBBS Forum
19. Where does the CO2 removed before hydrogen extraction following the shift reaction in pure-oxygen coal gas production usually go? - HCBBS Forum
20. I bought a phone with a large screen; it’s supposed to be smart, but after spending the whole morning trying, I still haven’t learned how to use it. What should I do? - HCBBS Forum
21. What are the ways to address the fuel consumption issue of truck cranes? - HCBBS Forum
22. Learn the basics of crane slip rings - HCBBS Forum
23. Questions regarding the input of Siemens frequency converters - HCBBS Forum
24. Issues related to the cost calculation for replacing the unit’s lubricating oil pump - HCBBS Forum
25. 【Daily Question】Question from Issue 20150825 - HCBBS Forum
26. How is excessive piston rod vibration in reciprocating machines usually adjusted? - HCBBS Forum
27. Regarding the issue of pouring liquid from gas cylinders - HCBBS Forum
28. The coal slurry circulation pump is a centrifugal pump; what is used to fill the pump before starting it? Can coal slurry be directly pumped in? - HCBBS Forum
29. Vacuum breakdown issue in Class A reactors - HCBBS Forum
30. Incident Handling 27: What are the hazards caused by poor sealing in a circulating fluidized bed boiler? - HCBBS Forum
31. Ceramic membrane cleaner - HCBBS Forum
32. Deep processing of oil - HCBBS Forum
33. Bamboo Tong, has anyone heard of it? - HCBBS Forum
34. 【Daily Question】Wastewater Knowledge – August 27 (2 points for answering, 4 points for a correct answer) - HCBBS Forum
35. What are the uses of high and low temperature test chambers? - HCBBS Forum
36. Step-based electricity price adjustment for electrolyzers - HCBBS Forum
37. Original acid mist and exhaust smoke - HCBBS Forum
38. LNG semi-underground, underground gas filling station - HCBBS Forum
39. Rosemount pressure gauge analog output issue - HCBBS Forum
40. Doubts about lengthening CAD drawings - HCBBS Forum
41. Issues with the settings for horizontal temperature measurement data - HCBBS Forum
42. Which property method should be chosen for Aspen simulation of propylene and water distillation columns? NRTL-RK, or IDEAL? ? ? ? - HCBBS Forum
43. Pressure testing and leak detection issues - HCBBS Forum
44. Why does the pH of the effluent from Fenton’s process not increase but instead decrease? - HCBBS Forum
45. Daily Question: August 30, 2015 - HCBBS Forum
46. How to deal with several common problems of valves? - HCBBS Forum
47. 【Daily Question】Chemical Engineering Principles 149: Viscosity (August 22) - HCBBS Forum
48. What is the best way to store a crane - HCBBS Forum
49. Compressor pressure stages and control stages - HCBBS Forum
50. How do I import a PDS file into Caesar? - HCBBS Forum
51. May I ask what material is generally used for the shaft of an alkali pump? The concentration of the alkali solution is up to 20%, and sodium hypochlorite is generated later on. - HCBBS Forum
52. What are the reasons for using stacked bearings in multi-stage pump motors, and what does \"stacked shafts\" mean? Could some expert please explain it to me? - HCBBS Forum
53. How to determine faults in the frequency converter during crane operation - HCBBS Forum
54. I feel sleepy as soon as I get to the office - HCBBS Forum
55. 【Question】What tasks does a process engineer need to carry out? - HCBBS Forum
56. Formulas for the char formation rate and amount of charring of DMTO, as well as the space velocity - HCBBS Forum
57. The National Development and Reform Commission approved the energy assessment for the Yili Xintian coal-to-gas project - HCBBS Forum
58. How to achieve water separation during intermittent vacuum distillation - HCBBS Forum
59. For SW6 software, how do I calculate the nozzles on the head that are perpendicular to the center line? - HCBBS Forum
60. It is recommended to organize on-site knowledge tours in the process section - HCBBS Forum
61. Steam pipe support issue 2 - HCBBS Forum
62. Issues regarding the corrosion of boiler convection tubes - HCBBS Forum
63. Sign-in record post dated August 28, 2015 - HCBBS Forum
64. How to distinguish between pressure pipelines and non-pressure pipelines - HCBBS Forum
65. It’s not good to walk around the “Haichuan Irrigation Co., Ltd. Convenience Store” with headphones on - HCBBS Forum
66. Waste heat recovery technology for coke oven riser pipes - HCBBS Forum
67. 【Daily Question】Question from Issue 20150824 - HCBBS Forum
68. Are there any that make German Gemi valves? - HCBBS Forum
69. Workplace Debate Episode 62: Should there be a talent reserve? - HCBBS Forum
70. For the welder certification project involving surfacing of 304/Q345R plates, are 2 or 1 exams required? - HCBBS Forum
71. Why do cracks appear in the steel structure of cranes - HCBBS Forum
72. Solid content in the black water outlet of the gasifier - HCBBS Forum
73. Who knows what the components of high-alumina refractory balls are - HCBBS Forum
74. The slurry circulation has been interrupted – what should be done with the catalyst in the settler? - HCBBS Forum
75. Operating line equation for the distillation section - HCBBS Forum
76. Issues with the operation of the compressor dry gas seal - HCBBS Forum
77. Meaning of Tianhua paste resin product model numbers - HCBBS Forum
78. Disagreements regarding the answers to \"Methods for identifying leaking tubes in the external heat exchangers of catalytic cracking units\" - HCBBS Forum
79. Setting of safety valves for pipes in heating plate-type heat exchanger units - HCBBS Forum
80. 【Coal Chemicals Area】August 2015 Postmaster Salary Payment Thread - HCBBS Forum
81. Which is the best activated carbon desulfurizer? - HCBBS Forum
82. Which specification, API or HG, contains information regarding the Cv value of control valves? - HCBBS Forum
83. Under what circumstances is a packed tower generally preferred? - HCBBS Forum
84. It’s still the reflux issue; I’d like to ask everyone for advice - HCBBS Forum
85. 【Spent the Summer in Production】---Safe Production Through the Summer---Never Give Up---【34】 - HCBBS Forum
86. Sign-in record post from August 25, 2015 - HCBBS Forum
87. Several issues regarding the downstream applications of silicone - HCBBS Forum
88. How many wires are required for a pneumatic on/off valve with limit switch? - HCBBS Forum
89. The constant interruptions while waiting for the shuttle are unbearable~ - HCBBS Forum
90. During the production process, how does everyone handle problems that are identified by the central control system? - HCBBS Forum
91. Wall thickness of heat exchange tubes - HCBBS Forum
92. Chemical Engineering in Daily Life – Question 45: Do you know how to flush the toilet properly? - HCBBS Forum
93. Safety assessment system - HCBBS Forum
94. What is a good material for pressure pipelines made of molten caustic soda (NaOH) at 450°C? - HCBBS Forum
95. 2015.8.26——‘Weekly Topic’: How do you manage your safety valves? - HCBBS Forum
96. Seven years of seeking jobs in the chemical industry - HCBBS Forum
97. How should a technician’s resume be written? It’s best to have a sample! - HCBBS Forum
98. Membrane cleaner - HCBBS Forum
99. Regarding the evaluation of professional titles. So irritable - HCBBS Forum
100. What is the difference between a thermal resistor and a temperature transmitter? - HCBBS Forum