English — Forum #439 (Page 8/43)

1. I would like to ask the experts: how is the operation of the EST slurry bed at Maoming Petrochemical? - HCBBS Forum
2. Jilin Petrochemical’s 1 million tons per year pyrolysis gasoline hydrogenation unit, which utilizes the core catalyst technology from the Petroleum Chemical Research Institute, has successfully produced qualified hydrogenated gasoline - HCBBS Forum
3. Seek the maintenance procedures for natural gas-based hydrogen production equipment and the procedures for equipment violations - HCBBS Forum
4. What is the function of a PSA sequential loading tank? It is to collect that gas - HCBBS Forum
5. May I ask if the current from equipment such as compressors and pumps can be transmitted to the DCS? - HCBBS Forum
6. Regarding the issue of waste hydrogen emissions - HCBBS Forum
7. Adsorption pressure and adsorption temperature for hydrogen production PSA and reforming PSA - HCBBS Forum
8. What is the pH value of the acidic water in the hydrogenation unit? - HCBBS Forum
9. How is the contaminated oil sampled and replaced by the device, and how is the directly discharged oil replaced by the pump? - HCBBS Forum
10. Sulfur recovery hydroreduction - HCBBS Forum
11. Inner Mongolia’s green hydrogen production exceeds 10,000 tons - HCBBS Forum
12. Sulfidation issue after shutdown screening of refinery diesel hydrofining catalysts - HCBBS Forum
13. Hydrogenated dry gas - HCBBS Forum
14. Looking for recommendations for manufacturers of small reciprocating hydrogen compressors - HCBBS Forum
15. Lifting \"heavy\" loads as easily as in the slurry bed reactor RTMCS of refining technology - HCBBS Forum
16. What are the main differences between gasoline, diesel, paraffin oil, and residue hydrogenation? - HCBBS Forum
17. Why is it necessary to introduce nitrogen and maintain a slight positive pressure when opening the reactor? - HCBBS Forum
18. On the recovery process for waste hydrogen emissions from hydrogenation units - HCBBS Forum
19. The importance of proper catalyst loading - HCBBS Forum
20. Diameter selection - HCBBS Forum
21. Record an exception handling instance - HCBBS Forum
22. The instrument suddenly shows a disconnected connection - HCBBS Forum
23. First batch of hydrogen pilot projects in the energy sector announced - HCBBS Forum
24. Continuous hydrogenation catalysis technology moves toward large-scale application - HCBBS Forum
25. Seeking the operating procedures for the ammonia synthesis shift using coke oven gas - HCBBS Forum
26. Request for contact information of Dresler and Shenyang Yuanda - HCBBS Forum
27. Sodium hydrosulfide storage tank - HCBBS Forum
28. Looking for the electronic version of \"Process Calculation and Technical Analysis of Hydrocracking Units\" - HCBBS Forum
29. How to reduce slurry bed catalyst loss? - HCBBS Forum
30. Pinhole sand holes on the device - HCBBS Forum
31. Handling \"heavy\" materials as if they were light: composition and properties of sludge in the slurry bed process of oil refining - HCBBS Forum
32. How is the PSA time coefficient calculated? - HCBBS Forum
33. Research on Real-time Prediction and Optimization Techniques for Refining Units Using Big Data Technology: Applications - HCBBS Forum
34. Ammonium salt crystallization - HCBBS Forum
35. Sinopec has obtained a patent for a two-stage hydrocracking method for kerosene - HCBBS Forum
36. Leveraging H-Oil’s proprietary technology, the 1.5 million tons per year fluidized bed residue hydrogenation unit built by Fuhai Chuang was successfully commissioned for trial operation - HCBBS Forum
37. The effect of pressure in the hydrorefining reaction process - HCBBS Forum
38. Horbiger valve - HCBBS Forum
39. Should hydrogen used in analytical laboratories be designed and constructed according to the standards for hydrogen supply stations? - HCBBS Forum
40. Please help, expert - HCBBS Forum
41. What are the differences between pressure gauges for special media and ordinary pressure gauges? - HCBBS Forum
42. [Help] Why is the feed buffer tank of the continuous reforming pre-hydrogenation unit designed with bottom feeding? - HCBBS Forum
43. The issue of excessive nitrogen oxides in flue gas during the startup process of the converter - HCBBS Forum
44. Just heard that SIS crashed - HCBBS Forum
45. Hydrogen production - HCBBS Forum
46. Standards, specifications, laws and regulations related to hydrogen energy (hydrogen production and refueling) - HCBBS Forum
47. For diesel and gasoline mixed hydrogenation units, is there a significant impact on the product after stopping the gasoline feed? - HCBBS Forum
48. CNPC receives patent authorization for: “A catalyst for selective hydrogenation of alkynes and its preparation method”” - HCBBS Forum
49. The Coal Chemicals Department of Nanhua Company produced an average of 293.2 tons of hydrogen per day in February - HCBBS Forum
50. Alkaline water hydrogen production system - HCBBS Forum
51. Protecting Life Spaces: Safety Guidelines for Confined Spaces and Special Operations - HCBBS Forum
52. Light hydrocarbons - HCBBS Forum
53. Hydrocracking feed pump inlet temperature control - HCBBS Forum
54. How to choose gaskets most safely - HCBBS Forum
55. Separation time of the hydrogen separation tank in electrolytic water hydrogen production - HCBBS Forum
56. Could you share a diagram of the internal structure of a hydrocracking distillation tower? - HCBBS Forum
57. Which are the manufacturers of high-pressure hydrogenation heat exchangers? - HCBBS Forum
58. New catalysts from the Institute of Stone Science successfully applied at Takahashi Petrochemicals - HCBBS Forum
59. Residue hydrogenation unit: reaction temperature, reaction pressure, sulfur, nitrogen, residue carbon, heavy metals - HCBBS Forum
60. Skilled workers for crude benzene hydrogenation and crude phenol purification are needed - HCBBS Forum
61. What is the purpose of testing for sulfides in the oily wastewater from the distillation column of a hydrogenation unit? - HCBBS Forum
62. What is the reason for the high level of iron ions in the ammonia produced by the MDEA decarburization unit? - HCBBS Forum
63. Treating \"heavy\" materials as if they were light – the slurry-bed hydrogenation feedstock in refining technology - HCBBS Forum
64. I have recently looked up information on the impact of nitrogen and chlorine contents in hydrogenation feedstocks, and I’d like to share it with you all - HCBBS Forum
65. Will catalysts be introduced into catalytic diesel? - HCBBS Forum
66. How to determine trace chlorine after dechlorination - HCBBS Forum
67. A thorough discussion on the use of leached asphalt as a feedstock for slurry bed reactors - HCBBS Forum
68. How to introduce the desorbed gas from the PSA system into the converter - HCBBS Forum
69. The hydrogenation unit is under construction. Don’t step on these 10 pitfalls! - HCBBS Forum
70. The water pH in the dry gas hydrogen production furnace just won’t increase – help! ! - HCBBS Forum
71. Regarding hydrogen recovery - HCBBS Forum
72. Regarding the hydrocracker: when the purity of recycle hydrogen decreases and the flow rate of mixed hydrogen appears to increase, I would appreciate some guidance on the potential impacts this has on the reaction system - HCBBS Forum
73. Hydrogenation reaction - HCBBS Forum
74. How can Gu-based catalysts prevent the formation of esters in the ethanol-catalyzed conversion to higher alcohols? - HCBBS Forum
75. High-pressure hydrogen compressor - HCBBS Forum
76. An ever-running hydrogen generator - HCBBS Forum
77. Policies that can be referenced for paid hydrogen production on existing sites, as well as current implemented projects - HCBBS Forum
78. Residue hydrogenation unit: effect of reaction temperature, reaction pressure, and space velocity on conversion rate - HCBBS Forum
79. Is natural gas or nitrogen better for pressure holding? - HCBBS Forum
80. Do hydrogen supply stations need to comply with the \"Fire Protection Design Standards for Petrochemical Enterprises\"? - HCBBS Forum
81. Will an emergency shutdown of the hydrocracking unit cause liquid to be present in the recycle hydrogen? - HCBBS Forum
82. my country’s hydrogenation reactors are not exported to others* * - HCBBS Forum
83. Where is the “bed” in a slurry bed? - HCBBS Forum
84. Liquid-phase hydrogenation - HCBBS Forum
85. How to control the temperature of the cobalt-molybdenum hydrogenation reactor? - HCBBS Forum
86. Flushing medium for the flow meter at the outlet of the reaction feed pump in the paraffin oil cracking unit - HCBBS Forum
87. Biodiesel/aviation fuel feedstock specifications - HCBBS Forum
88. I need help understanding why, during the shutdown of a hydrocracking unit, it is required that the temperature in the hot high-pressure section be 20–30°C lower than the temperature at the reactor outlet - HCBBS Forum
89. Today I heard about PSA technology with rotary ball valves - HCBBS Forum
90. Looking for a manufacturer to produce hydrogen-prereduction equipment for making NiO-Al2O3 catalysts; the bulk density should be 1.2–1.3 g/cm3, and the shape should be 3x3 cubic; the reduction temperature requires a H2/N2 ratio of 400–500℃ - HCBBS Forum
91. Sinopec and the Petroleum Research Institute have applied for patents related to the determination of hydrogen composition, enabling the simultaneous detection of trace sulfur and carbon compounds in hydrogen with a single sample insertion - HCBBS Forum
92. The 350,000-ton coal tar hydrogenation plant in Toksun, Xinjiang, with a total investment of 2.87 billion yuan, has been successfully put into operation - HCBBS Forum
93. Tracing the origins of the Earthly Integrated Factory - HCBBS Forum
94. Temperature changes of hydrogen during depressurization and pressurization - HCBBS Forum
95. How to store hydrogen produced at 1500 Nm3/h? - HCBBS Forum
96. The 600,000 tons per year coal tar hydrogenation unit at Xinjiang Xinhui Gorge achieved a continuous operation period of 386 days, setting a new record for such units in the industry - HCBBS Forum
97. Diesel hydrogenation backwash sludge - HCBBS Forum
98. Second-hand water electrolysis hydrogen production equipment - HCBBS Forum
99. Market demand for Pt/Al2O3 catalysts for methylcyclohexane dehydrogenation - HCBBS Forum
100. Considerations for selecting a vulcanizing agent - HCBBS Forum