Summary Post for Oil Refining Technology Exchange Area (II**) – Treatment Methods
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I have compiled all the posts related to treatment methods within the petroleum refining technology exchange area, so as to make it easier for everyone to search, save time, find what they need, and assist others in solving problems! 1st floor: 1–100 2nd floor: 101–189 (Click on the title to access the hyperlink) 1. What would you do in case of such a leak? 2. Phenomenon of pressure air intrusion due to liquid level failure in the catalytic reabsorption tower and its handling 3. How to handle the interruption of the seal oil supply to the radiant feed pump in a delayed coking heater 4. How to handle the interruption of high-pressure water injection in a hydrogenation unit? 5. On DCC treatment of heavy oil 6. Special thread for handling urgent issues in production units 7. How to deal with suspected internal leakage in the fractionator top cooler in a catalytic cracking unit? Please discuss how to handle disruptions in the circulating water of hydrogenation units, topic 8 9. Treatment and utilization of exhaust gases from the unit 10. What should be done with a coking furnace when steam injection is stopped? 11. Handling of power fluctuations in catalytic units 12. Accident handling in catalytic units 13. What should a heating furnace do when power fluctuations cause the coking radiation pump to stop operating? 14. Discuss the accident handling procedures and operational principles for one’s own unit 15. What preparations should be made before starting up a desulfurization tower? 16. How should catalytic black diesel be handled? 17. Can increasing the operating pressure of the distillation tower improve its processing capacity? 18. Sewage treatment workers. 19. How to deal with blockages in the catalytic cracking slurry pipelines? 20. How to fix this leak? 21. How is the exhaust gas from gasoline deodorization treated (or recycled) nowadays? ! 22. How to handle pellet coke? 23. Issues related to the treatment of wastewater from automatically backwashed amine filters. 24. Treatment of coking liquefied gas. 25. Methods for converting the three types of sludge and waste oil generated in refineries into useful products through AC treatment. 26. In the refining and chemical processing areas, how is the process flow and wastewater from various process units managed? 27. What should be done if the heat source at the bottom of the stabilizer is interrupted? 28. Handling of purification air interruption accidents. 29. How to detect and address early the malfunction in dehydrating constant-pressure gasoline tanks. 30. Treatment regarding the hydrogen sulfide removal tower for liquefied gas. 31. How does your factory handle alkali slag! ! 32. Methods for dealing with black smoke from torches 33. Causes of catalyst \"bridging\" and methods to address it 34. How to dispose of used desiccants used in purified air treatment? 35. Damage to the internal components of vacuum distillation columns in atmospheric and vacuum distillation units and ways to deal with it! (There’s a reward!) ! ! 36. What would you do in the event of such a leak? --Vote post 37: How to prevent and deal with liquid in the fuel gas system? 38. How to handle the situation when steam supply to a device is interrupted? 39. Handling of emergency incidents in catalytic cracking. 40. Please share how your plant deals with alkaline sludge from oil refining! 41. Where does hydrogen leakage occur in the hydrorefining unit and how is it addressed? 42. Treatment of acidic gases in hydrorefining processes. 43. Handling of valves during the commissioning and purging of plants. 44. Sudden shutdown of the bottom pump in atmospheric and vacuum distillation units: causes and solutions? 45. Handling of excessive temperature in hydrocracking processes 46. Regeneration of alkali-free deodorization towers for gasoline 47. Treatment of nickel and vanadium in crude oil 48. Analysis and treatment of fully open condition of control valves in steam turbines 49. Emergency plans for large-scale power outages in refining facilities 50. What problems have arisen recently during the operation and maintenance of reforming units? How to handle it? 51. What does the processing capacity of the power plant workshop in an oil refinery refer to? 52. Treatment of cut coke water 53. How to handle acid sludge from lubricant plants? 54. How is the oil in ordinary oil storage tanks typically handled? 55. If heavy oil solidifies, what are the fastest methods and measures for dealing with it! 56. Methods for treating coked particles abroad 57. Treatment of feedstock for catalytic cracking 58. Handling of accidents in hydrogen heating furnaces used in hydrogenation processes 59. Handling of shutdown accidents in hydrocracking cyclones 60. Research on technologies for treating the “three types of sludge” in refineries 61. Causes and treatment methods for liquid carryover in dry gas 62. How to handle situations where crude gasoline is produced due to an interruption in the flow of enriched gas 63. Handling of heating furnaces during emergency shutdowns in plants 64. Summary of measures taken to address ammonia liquid carryover in a hydrogenation unit in Guangdong 65. Accident handling 66. How to treat waste alkaline solutions 67. Treatment and prevention of salt accumulation at the top of coking distillation columns 68. Steps and procedures for handling coke towers 69. Technologies for treating the “three types of sludge” in refineries 70. Discussion on methods for treating contaminated oil in refineries 71. Anti-corrosion measures for high-sulfur and high-acid oils during refining processes 72. How to handle situations where the entire DCS system in a hydrogenation unit shuts down 73. How to manage the misting steam from backup burners in heating furnaces that use fuel oil in winter 74. Methods for treating ammonium salt crystallization 75. What should the operator do if the four-way valve in a coking unit is opened incorrectly 76. Emergency measures for leaks in the pressure reducing valve for 3.5 Mpa medium-pressure steam in coking units 77. What to do inside the compressor during normal shutdowns? 78. Treatment of the gas-oil separator at the top of the fractionation tower to the rich gas line at the compressor inlet. 79. Causes of vacuum formation in the liquefied gas pump and ways to address it. 80. Treatment of coker heavy paraffin oil. 81. What to do when the head pressure of the product pump is higher than the operating pressure of the product heat exchanger? 82. Treatment of black diesel. 83. What are the methods for dealing with significant loss of catalyst in the reaction regenerator of catalytic cracking units? 84. Animation on the treatment of wastewater from oil refining. 85. What are the treatment methods for diesel fuel that changes color rapidly and has unstable stability in catalytic cracking units? 86. Handling of feed interruption in hydrocracking units 87. How is the alkali sludge from catalytic gasoline refining dealt with? 88. Simple methods for dealing with high cooling temperature of air coolers during summer production. 89. How to dispose of waste catalysts? 90. Faults that occur after the treatment of the catalytic cracking feed cut-off. 91. Fluoroplastic magnetic pumps – the shafts break frequently; how to deal with this? 92. There is an excess of liquefied gas; the cost is less than 3,000 yuan – how should this be handled from a process perspective? 93. How to deal with vacuum pump surging? 94. I would like to ask the experienced colleagues how to handle the light gas produced in hydrogenation? 95. Treatment and reuse of wastewater from refineries 96. What are the reasons for the high asphaltene content in coker wax oil? How to handle it? 97. How to deal with the frequent clogging of the impeller in the bottom circulation pump of the coking distillation tower? 98. How to address the issue of valve agglomeration at the outlet of the coking radial feed pump? 99. What measures should be taken if the liquid level at the bottom of the distillation tower drops due to a long power outage? 100. How do you handle the problem of flow deviation in the top cooler?
Continuing: 101. Treatment of waste amine solution 102. Treatment of normal line oil 103. Please help analyze the causes of leakage in the compressed rich gas line at the exit of the air compressor and suggest solutions 104. How to deal with the detachment of the valve plate in the catalytic regeneration slide valve 105. What should be done if there is an increase in light components in the feed to the stabilizer? 106. What temperature should the temperature of the distillation system be controlled at during accident handling? 107. Treatment of used lubricating oil 108. Methods for dealing with blockages in the gas system? 109. Experts in catalysis, please come and help – the feed leg of the reactor is broken. How should this be dealt with? 110. Analysis of the reasons why the hydrogenated gasoline does not meet the standards, along with solutions. 111. Those familiar with catalytic cracking, please share your insights – what should be done when the dual valves open automatically? 112. What are the methods for treating coking water in delayed coking units? 113. How to handle high and low pressures during maintenance? 114. What to do if sulfur injection is interrupted during hydrocracking sulfidation? 115. Methods for dealing with furnace tube leaks. 116. What to do if return water is steam? 117. Measures for secondary combustion. 118. Request for the overall heat treatment process for spherical tanks. 119. If both pumps of the slurry pump fail, is it possible to operate without shutting down the process? 120. How to handle the alkaline residue resulting from catalytic gasoline refining? 121. How do various plants deal with high acid values in crude oil? 122. Request for advice: How to deal with an increase in differential pressure in the recycle hydrogen desulfurization tower? 123. How to handle diesel that has leaked into the desulfurizer in a catalytic unit? 124. How to deal with the oil in the overhead gas buffer tank of a vacuum distillation unit? 125. Is heat treatment required for the welds of the stainless steel pipes (TP321) in the hydrogenation unit? 126. What should be done if the air pressure unit stops suddenly during catalytic cracking operations and the reaction pressure becomes excessively high? 127. How to deal with oil leakage from the lubricating oil tank of the catalytic cracking main fan? 128. Treatment of hydrogenated light fraction gas! 129. What are good ways to deal with sand holes in the high-pressure air cooling outlet pipeline of hydrocracking units? 130. How to address high pressure drop in the empty furnace tubes of conversion furnaces? 131. Those Racing Against Time—A Record of the Process and Methods for Treating Pelletized Coke in Carbon Tower Reactors 132. Methods for Addressing Leaks in Vacuum Systems 133. Issues Related to the Treatment of Catalytic Slurry 134. Procedures for Emergency Shutdowns of Hydrogenation Units in Various Refineries 135. How to Prevent Clogging in the Lift Pipes of MIP Units? What is the phenomenon of choking? How to handle it? 136. Treatment of desulfurization alcohol off-gases. 137. Does your plant have unqualified waste oil? How is it treated? 138. How is sludge in refining units handled, and what kind of qualified entities are needed to handle it? 139. Causes of feed interruption in the gas processing unit and methods for handling it. 140. The heating furnace in the unit suddenly shuts down, and the pilot light is also blocked – how should the entire unit be handled? 141. Methods for dehydrating crude oil 142. Combustion of oxidized asphalt exhaust gases? Exhaust gas pretreatment methods? 143. How to handle a fire in the coking radiation feed pump? 144. What are the methods for dealing with high solid content in slurry? 145. How should gasoline from the distillation flash tower be handled? 146. What measures should be taken in response to a chimney fire caused by a sudden power outage in the catalytic unit on July 5th? 147. How can the processing capacity of the gas separation unit be increased? 148. Methods for dealing with high solid content in oil slurry 149. How to handle leaks in coking compressors 150. How to deal with excess superheated steam 151. How to handle the shutdown of steam supply to various units? 152. How is the waste alkali generated by oil refining plants disposed of? 153. Methods for dealing with the accidental shutdown of fans in reforming cylinder furnaces 154. Hydroprocessing of coking heavy paraffin oil 155. A question regarding hydroprocessing 156. Accident handling plans 157. Handling of excessive temperature during gasoline hydroprocessing 158. Exhaust gas treatment technologies used in the refining units of Nanjing Jinling Petrochemical 159. Treatment of sludge 160. Questions about the treatment of cold coke water in delayed coking units 161. How is the condensate water from atmospheric and vacuum distillation units typically treated? 162. Questions regarding the stripping tower in the reprocessing pretreatment section? 163. How to deal with high wax content in diesel? 164. Regarding the handling of hydrocracking accidents, let’s discuss this. 165. Several issues related to the treatment of feed oil in hydroprocessing. 166. Problems associated with spills at the asphalt sampling ports. 167. The processing capacity of the distillation column in catalytic units. 168. Several methods for dealing with accidents in hydrocracking units. 169. Where can one find methods for dealing with residual oil? 170. What should be done if gasoline contains high levels of dienes? 171. How to handle a sudden power outage in a hydrogen production plant? 172. How is the cold coker water treated in various factories these days? 173. Treatment of oil under wax 174. Looking at the measures taken by our refinery in response to the interruption of telephone communications throughout the plant yesterday 175. Measures for treating water contained in residue oil 176. Sewage treatment and reuse in refineries 177. Handling of catalytic system failures 178. What should be done if oil and gas from the settler enter the regenerator? 179. What should be done if 12 kilograms of steam leak out? ? 180. Who knows how to deal with liquefied gas present in catalytic dry gas? 181. How should high water content in catalytic feed oil be dealt with? ? 182. Who has information on handling catalytic cracking accidents? 183. What are the methods for dealing with the scum on the surface of oil sumps in various refineries? 184. Handling of distillation column shutdowns 185. Methods for treating catalysts in catalytic cracking flue gas 186. Sludge from coking reprocessing wastewater treatment plants 187. How to process solid waste from wastewater treatment units in coking processes 188. Treatment of hydrogenated acidic gases 189. Why water softening is necessary