焦化厂富油脱苯工艺中，管式炉法较蒸汽法节能。
In coking plants, more energy can be saved by tubular furnace process than steam process in the benzene removal from rich oil section.
对脱苯塔进行调整，确定了合适的进料温度和回流温度，保证了脱苯塔回流量，提高了脱苯效率。
By adjusting the temperature of feed and reflux of such tower, reflux flow is guaranteed and the effect of benzene removal is improved. A major bottleneck is eliminated and be...
对脱苯塔进行调整，确定了合适的进料温度和回流温度，保证了脱苯塔回流量，提高了脱苯效率。
By adjusting the temperature of feed and reflux of such tower, reflux flow is guaranteed and the effect of benzene removal is improved. A major bottleneck is eliminated and better economical be...
分析了浮头式列管换热器的故障现象及产生原因，提出改造方案，并根据改造后的实际情况将脱苯塔和贫富油换热器部分的贫油工艺进行了合理改进。
The reasonable improvement of the lean oil technics in crude benzene tower and heat exchanger of lean and fat oil is introduced according to the practical conditions after reconstruction.
本实验似可以说明：苯海拉明、甲氰脒胍有抑制肥大细胞脱颗粒作用。
It can be elucidated from the result of this study that benadryl and cimetidine have the effect to inhibit the degranulation of mast cells.
本文介绍了直链烷基苯及其磺酸盐作为阴离子表面活性剂在造纸工业蒸煮制浆和废纸脱墨等工艺过程中的应用。
The application of Chain alkylbenzene and their sulfonates as anion surfactant in digesting, pulping for ink removing of wast paper and making paper industry is presented in this article.
结果表明：苯蒸汽在活性炭上的吸脱附性能明显与吸附剂的比表面、孔容、孔径与孔径分布直接相关。
The result shows that adsorption and desorption performance of Benzene vapour by activated carbon are related to the specific surface, hole volume, hole diameter and distribution of hole.
以粗苯为溶剂萃取脱酚，粗苯的主要消耗是其在处理后氨水中溶解的损失。
The major problem of solvent extraction dephenolization process is that crude benzol dissolve in ammonia liquor.
适当降低萃取操作温度，可以明显降低粗苯消耗，而不会影响其脱酚效率。
The consumption of crude benzol is obviously reduced by decreasing the extraction temperature properly and it doesn't influence the efficiency of dephenolization.
方法：以芦丁为原料，经苯甲酰化，水解，糖苷缩合和脱保护合成目标化合物。
Methods: Rutin was utilized as the starting material. The target compounds were produced via benzoylation, hydrolysis, glycosidation and deproteination.
用活性碳吸附管采集大气中的苯系物，二氯甲烷替代二硫化碳作为脱附剂，毛细管气相色谱分离分析。
BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.
为提高酮苯装置脱油蜡收率，大庆炼化公司于2004年对工艺进行了改进。
The technical modification of ketone-benzol unit to improve the deoiling yield in Daqing Refining and Chemical Company was carried out in 2004.
在茂名石化公司炼油厂重质（?） 苯脱腊装置上对进口ECA7433和SDA1615两种助滤剂进行了工业试验。
Commercial tests for the imported filter aids ECA7433 and SDA1615 were carried out in heavy lube oil benzol-ketone dewaxing unit in the refinery of Maoming Petrochemical Company.
测定结果表明卤代烃类，苯类在水中的吹脱速率最快，酮类和酯类次之，醇类最不易吹脱。
The results show that the rates of mass transfer of halogenated hydrocarbons and aromatics are faster than those of ketones and esters, and those of alcohols are the slowest.
技术改进后，酮苯脱蜡装置脱油蜡综合收率提高了1.47%。
The application results showed that after the transformation the yield of deoiling wax in 2004 increased by 1.47%.
毒性比苯小，代替苯类用于脱油脂、脱漆剂等。
The toxicity is slighter than benzene, and replace the benzene to used for degreasing, paint remover.
毒性比苯小，代替苯类用于脱油脂、脱漆剂等。
The toxicity is slighter than benzene, and replace the benzene to used for degreasing, paint remover.
应用推荐