Summary of issues related to benzene hydrogenation technology exchange (materials are being updated continuously)
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Summary post on technical discussions related to benzene hydrogenation: 1. Introduction to benzene hydrogenation projects; 2. Brief description of the hydrogenation process for crude benzene using coke oven gas as a hydrogen source; 3. Comparison and selection of different technological approaches for the hydrogenation and purification of crude benzene; 4. Request for an environmental impact assessment report on benzene hydrogenation; 5. Questions regarding hydrogen compressors in benzene hydrogenation plants; 6. Collection of information on accidents related to benzene hydrogenation; 7. Environmental impact assessment for benzene hydrogenation projects; 8. Benzene hydrogenation process; 9. Market research on benzene hydrogenation; 10. How much investment is required for the hydrogenation of crude benzene from coking processes? 11 Those interested in benzene hydrogenation (participation comes with rewards). 12 People involved in benzene hydrogenation. 13 Analysis of the market situation for benzene hydrogenation. 14 A quick-start guide to benzene hydrogenation. 15 Process flow diagrams for benzene hydrogenation. 16 Those working in benzene hydrogenation, please register. 17 Benzene hydrogenation technology. 18 How many methods are there for hydrogenating crude benzene? 19 Some equipment related to the Wood process for benzene hydrogenation. 20 Hydrogenation of crude benzene for refining is a new approach to reducing energy consumption and emissions in coking. 21 Seeking information on the operating procedures and process flow diagrams for crude benzene hydrogenation. 22 Comparison of technologies for crude benzene hydrogenation refining. 23 Are there any friends interested in benzene hydrogenation in the coking industry? Come in and discuss it! This post was last edited by 13897295006 on 2009-2-18 14:49]
Summary post on discussions regarding carbonization technology: 1. Problems of brick wear at the bottom of the carbonization chamber in rammed coke ovens and solutions; 2. Analysis of the causes of pitting on the furnace walls of the carbonization chamber; 3. Analysis of the reasons for deformation of the furnace walls in the carbonization chamber; 4. How to deal with cracks in the bricks of the furnace wall near the furnace head in coke oven carbonization chambers? Question 5: What is the relationship between the carbonization time in the coal charging chamber of a rammed coke oven and that in adjacent carbonization chambers? 6 Talking again about removing graphite from the carburizing chamber 7 What to do if pitting appears in the carburizing chamber? 8 Methods for removing graphite from the carbonization chamber 9 Ramming coke ovens and top-charging coke ovens with a carbonization chamber height of 4.3 meters 10 The relationship between the height of the carbonization chamber and the center distance between them! ! ! ! 11 How to measure the temperature at the center of the coke cake and the pressure at the bottom of the carbonization chamber in a rammed coke oven? 126. The issue of local production of mechanical equipment for coke ovens with 126.25m high carbonization chambers; some aspects of top-charging coke ovens with 137m high carbonization chambers. 14 How to solve the problem of friction between the coal support plates and the bottom of the carbonization chamber in coke ovens using ramming methods. 15 What is the length of the carbonization chamber in current ramming coke ovens? 16 Yield per chamber of a coke oven’s carbonization chamber 17 Competitive call for submissions: Monthly and semi-annual production reports for 4.3m tall, top-loaded coke ovens with 450mm wide carbonization chambers from 2008 18 Impact of the carbonization chamber on coke quality 19 Research on the effect of widening the coke oven’s carbonization chamber on coke properties
Summary post on technical exchanges regarding rammed coking: 1. Performance of the dual rising pipes on the coke side of the machine in smoke-reduction coal charging for rammed coking; 2. Rammed coking; 3. Request for the book “2008 China Rammed Coking Technology and Production Conference”. 4. Tamped coking reduces the service life of coke ovens. 5. A simple comparison between tamped coking and top-loaded coking! 6 The impact of compacted coking on furnace temperature 7 Technical requirements and effects of compacted coking 8 Coal blending ratio for compacted coking 9 How large should the pusher motor be for a 93.8-meter compacted coking furnace? 10 What are the safety characteristics of the ramming coking operation area? 11 Review of the compacted coking process 12 Coke quality in compacted coking 13 Problems associated with compacted coking and improvement measures Published on China Coal Network in November 2007 14 Process flow of compacted coking 15 Let’s discuss the impact of the fineness of coal used in compacted coking on coke quality 16 Compacted coking is becoming increasingly popular 17 Operating procedures for compacted coking 18 Issues related to the coal mixture used in compacted coking 19 Problems concerning the design of smoke guiding devices on the roof of coal feeding furnaces in compacted coking 20 Issues related to the tendency of coal cakes to collapse in southern regions during compacted coking 21 QRD-2000: A clean heat-recovery compacted coking technology 22 Application of compacted coking technology in the urban gas industry 23 Mechanism of compacted coking
Summary post on benzene removal technology exchanges: 1. An accident case in the benzene elution section; 2. What is the material used for benzene removal towers? 3 What is the format of the benzene removal tower? 4. Issues regarding the top temperature of the debenzing tower and the boiling range of crude benzene. 5. What type of towers are used in debenzing processes? Are vertical sieve plate towers useful? 6. Temperature of the regenerator before the debenzing tower. 7. What impact does the extraction of naphthalene as a side product during debenzing operations have on those operations? What conditions need to be considered when taking naphthalene from the side stream of the 8-debenzene tower? 9. What is the amount of counterpressure steam required for benzene removal in a tubular furnace? 10. Aren’t the benzene washing tower and the benzene removal tower the same type of tower? 11 Some problems with the debenzing tower 12 Pressure in the debenzing tower 13 Increased pressures at the top of the crude benzene regenerator and at the bottom of the debenzing tower; reasons for the increase in pressure difference 14 Problems with the debenzing system 15 Location for extracting naphthalene from the gas phase in the debenzing tower 16 Change from extracting naphthalene from the liquid phase to doing so from the gas phase in the debenzing tower 17 Temperature of the superheated gas in the debenzing tower 18 Issues related to the spacing between the trays in the debenzing tower 19 Sudden increase in pressure at the top of the debenzing tower 20 Poor debenzing efficiency 21 Does your plant currently extract naphthalene through a side stream from the debenzing tower? 22 Total investment and product analysis of the chemical processing projects associated with 600,000 tons of coking capacity (desulfurization, ammonium sulfate, benzene extraction). 23 Renovation of benzene extraction towers. 24 Specific operating parameters for coking benzene extraction towers. 25 Do you have any information on benzene extraction towers and benzene washing towers?
I have been working in benzene hydrogenation production for many years and need assistance with communication; email: bjq2088@163.com