crude benzene

Removal of organic sulfur from crude benzene over titanium silicalite using hydrogen peroxide;

钛硅分子筛催化氧化脱除粗苯中的有机硫化物

Development tendency of crude benzene in China during Eleventh Five-Year-Plan;

“十一五”期间我国粗苯市场发展趋势

The crude benzene hydrorefining process routes were described.

介绍了国内外粗苯精制的工艺技术路线,国外加氢精制主要工艺有:Axens法、Litol法、KK法;国内主要有:酸洗法、国产化加氢精制法。

Feasibility of producing BTX by crude benzol with light oil

焦化轻油配入粗苯生产三苯

The status quo and same questions about native crude benzol refining are described briefly.

简述了国内粗苯精制生产的现状与问题,重点介绍了现行硫酸精制工艺的改进技术、废酸处理利用技术,以及当代先进的粗苯加氢技术,如Litol法与K-K法。

Through analysing the production process of crude benzol without franctional condenser, factors influencing on the consumption of washing oil were found out,and ways to cutting down the consumption of crude benzol washing oil were also presented.

通过对无分凝器法生产粗苯工艺运行情况进行分析，找出了影响粗苯洗油消耗的因素，提出了降低粗苯洗油消耗的途径。

The authors analyze the reasons causing crystalline precipitation from circulating flushing oil in benzol production system.

分析了粗苯生产系统造成循环洗油析出结晶物的原因,由于外购洗油质量未达到规定要求,洗油含萘量过低,脱苯塔塔盘和泡罩材质腐蚀,破坏了正常的操作制度,未能及时发现,操作上未进行相应的调整,引发了煤气含苯升高、系统堵塞和管式炉蒸汽管烧弯等问题。

The problems existing in the crude benzol system of recovery work shop and experiences and lessons accumulates during improvement are described.

介绍了回收车间粗苯系统出现的问题、改进过程中的经验教训 ,提出今后粗苯系统的改进意见 ,年创经济效益 10 0万元。

The adaptability reform of the crude benzol system is done, and the operation of oil water separator is strengthened, thereby the wash oil consumption in use for every one ton light benzol is decreased from 102kg to 80kg, the annual operation cost is decreased by 400 thousand Yuan.

为此对粗苯系统进行适应性改造 ,并加强油水分离器的操作 ,使每吨轻苯洗油消耗由 10 2 kg降至 80 kg以下 ,降低操作费用 40万元 /a。

The Optimization of the Coking Crude Benzol Hydro-refining Extractive Distillation Process

焦化粗苯加氢精制萃取精馏工艺优化

Fuzzy PID Control of the Tower Top Temperature of the Benzole Stripping Column

模糊PID控制在粗苯回收中的应用研究

Study of Ortho-xylene Oxidation and the Parameter Control of Crude Phthalic Anhydride Separation Technology;

邻二甲苯氧化反应及粗苯酐分离工艺参数控制研究

The application of ultrasonic anti-scaling equipment in water recycling system for distilled ammonia and crude benzol

超声波防垢设备在蒸氨、粗苯循环水系统的应用

Measures for Increasing Crude Benzene Recovery Rate and Reducing Wash Oil Consumption

提高粗苯回收率及稳定洗油耗量的改进措施

Examination of Corrosion Failure of Crude Benzene Reaction Heat Exchanger in Ethylene Plant

乙烯装置粗苯反应换热器腐蚀失效检测分析

Pre-Assessment of Occupational Disease Hazard in Construction Project of Crude Benzene Hydrogenation Refining in Coking Plant

某焦化厂粗苯加氢精制项目职业病危害预评价

Crude Benzene Hydrogenation Reaction System Abnormalities Analysis and Improvement

粗苯加氢反应系统异常原因分析及改进措施

Crude benzol coking products and development of its hydro-refining technology

焦化粗苯的组成及其加氢精制工艺技术的开发

OPERATION EXPERIENCE AND EFFECT OF OPTIMIZATING PRIMARY FRACTIONATOR DURING CRUDE BENZOL REFINING PRODUCTION

粗苯精制生产中优化初馏塔操作实践及效果

Design Development of Environmental Protection New Process for Crude Benezene Extractive Distillation Refining

环保型粗苯萃取精制新工艺的设计开发

REFORMATION TO SUBSTITUTE DOUBLE-TOWER PROCESS WITH SINGLE-TOWER PROCESS IN CRUDE BENZOL SYSTEM

粗苯系统一塔式流程替代两塔式流程改进

According to the analysis, such concolusion that seperation efficiency is increasing with pressure dropping can be drawn in ethyl-benzene/styrene packed tower.

得出降低操作压力，有利于提高粗苯乙烯塔分离效率的结论。

Study on Cosolvent Selection and Phase Equilibrium Data Prediction in Extractive Distillation Benzene from Rude Benzene

萃取精馏精制粗苯工艺中助溶剂的选择及相平衡估算研究

Corrosion Failure Analysis and Protective Measures of Ethylene Unit TS-212 Crude Benzol Reaction Heat Exchanger

乙烯装置TS-212粗苯反应换热器腐蚀失效分析与防护措施

The process for the treatment of the waste acid from crude benzol refining with calcining process is studied, the optimum operation data are discussed and the process is optimized.

研究了焙烧法处理粗苯精制废酸的工艺过程,探讨了最佳运行参数,优化了工艺流程。

Cuben recovery processing; Wholesale and retail: Hardware( excluding fire watches), for electricity, chemical products( excluding hazardous chemicals), building materials, steel.

粗苯回收加工；批发零售：五金（含消防器材）交电，化工产品（含化学危险品）建筑材料，钢材。

The Simulation and Study on the Crystallization Process of Crude Terephthalic Acid;

粗对苯二甲酸结晶过程的研究与模拟