1)waste acid from benzol refining精苯废酸
1.Pilot-scale study on the purification of waste acid from benzol refining by salting-out extraction process盐析-萃取法处理精苯废酸的中试研究
2.The waste acid from benzol refining is carried through preliminary,standing and separating the acid tar,and then it is sent to the boiling bed of the boiling furnace of the sulfuric acid production plant roasting.精苯废酸经过初步处理、静置分离去除酸焦油后送入硫酸生产装置沸腾炉沸腾层进行焙烧,通过高温裂解、吸收得到硫酸,将废物进行资源化处理利用。
3.The waste acid from benzol refining is a very complex mass and we has no better method to deal with it for a long time.精苯废酸组成极为复杂,长期以来对精苯废酸的处理没有合适的解决方法。
英文短句/例句
1.Pilot-scale study on the purification of waste acid from benzol refining by salting-out extraction process盐析-萃取法处理精苯废酸的中试研究
2.Energy Saving in Waste Water Treatmint of PTA Plant;精制对苯二甲酸装置废水处理的节能控制
3.Recovery and Refining of TA from Colored Alkali Reduction Wastewater色纤碱减量废水中对苯二甲酸的回收精制研究
4.Study on Sepatation and Correlation Theory of Dimethylbenzene and Butylacetate from Spent Solvent by Batch Distillation;间歇精馏分离废溶剂中二甲苯和醋酸丁酯及相关理论研究
5.Recovery and Simulation of Dimethylbenzene/Butylacetate from Spent Solvent Oil by Batch Distillation;间歇精馏回收废溶剂油中二甲苯/醋酸丁酯实验及模拟
6.Modification of the Terephthalic Acid-alkyd Resin by the Waste PET;用废聚酯制备对苯二甲酸型醇酸树脂
7.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。
8.Study on recovery of benzoic acid in residue from oxidation unit of purified terephthalic acid精对苯二甲酸氧化残渣中苯甲酸的分离回收
9.Determination of benzoic acid,sorbicacid,saccharin sodium in soy milk by HPLCHPLC法测定豆奶中苯甲酸、山梨酸、糖精钠
10.Treatment of Waste Acid from Sulphonation Process in the Production of DSD Acid乙烯撑二氨基苯磺酸生产中磺化废酸的处理
11.Preparation of Tterephthalic acid and Dimethyl Terephthalate with Waste Terylene Fiber利用涤纶废丝制备对苯二甲酸和对苯二甲酸二甲酯
12.New Processes of DMT Manufacture from Waste PTA and Methanol由废对苯二甲酸生产对苯二甲酸二甲酯的新工艺
13.Study on the Recovery and Reuse Terephthalic Acid in the Alkali Weight-reduction Wastewater;碱减量废水中回收对苯二甲酸资源再用的研究
14.Study on Treatment Process of D-p-hydroxyphenylglycine Wastewater;对羟基苯甘氨酸生产废水的处理工艺研究
15.Treatment of PAEs Wastewater by Immobilized Microbial Cells;固定化微生物处理邻苯二甲酸酯类废水的研究
16.Study on the Experiment of Triphenyl Removing Using Citrate Sodium;新型吸收剂柠檬酸钠治理三苯废气的实验研究
17.The Determination of Nitrate in Waste Water by Polyanliline Modified Electrode;聚苯胺膜修饰电极测定废水中的硝酸根离子
18.Research of Treating Simulation Benzoic Acid Wastewater with Macroporous Resin大孔吸附树脂处理模拟苯甲酸废水的研究
相关短句/例句
purified terephthalic acid wastewater精制对苯二甲酸废水
3)pure terephthalic acid wastewater精对苯二甲酸废水
4)sulphuric acid refine废酸精制
5)waste acid refining method废酸精制法
6)reclaimed acid from benzol refining精苯再生酸
1.Based on analyzing the generation mechanism and quality characteristics of reclaimed acid from benzol refining and comparing varies kinds of purification methods, the operation easily, the technical process simple extraction method is used to purify the reclaimed acid and the dosage of the extraction agent and extraction power are studied in detail.对精苯再生酸的生成机理、质量特性进行了分析,通过比较各种再生酸净化方法的优缺点,选用操作简便、工艺简单的再生酸净化方法——萃取法对再生酸进行处理试验,并对萃取剂的用量、萃取能力等进行了详细的研究。
延伸阅读
精苯nt face="Arial">AS: 71-43-2 分子式: C6H6 分子质量:78.11 沸点: 80.1℃ 熔点:5.5℃ 中文名称: 苯；精苯；安息油；净苯；动力苯；纯苯；溶剂苯；苯查儿；困净苯；粗苯；混合苯英文名称: benzeen；benzen；benzol；benzole；benzolene 性质描述: 无色至淡黄色易挥发；非极性液体。具有高折射性和强烈芳香味，易燃，有毒！凝固点5.53℃，沸点80.1℃，相对密度0.8790（20/4℃），折射率1.5011，1.4979，闪点（闭杯）-11.1℃，自燃点562.22℃。与乙醇；乙醚；丙酮；四氯化碳；二硫化碳和醋酸混溶，微溶于水。 生产方法: 1849年曼斯菲尔德从煤焦油中分离出苯。1876年后实现了从焦炉煤气回收苯，1961年实现烷基苯脱烷基制苯。近年用甲苯歧化制苯和二甲苯，还从裂解汽油中分离苯。不同国家和地区苯的生产和供应情况不尽相同，美国主要从重整汽油中获得，西欧主要来自裂解汽油，我国则主要由重整汽油及炼焦副产品生产。1.炼焦副产回收苯高温炼焦副产的高温焦油中，含有一部分苯。首先经初馏塔初馏，塔顶得轻苯，塔底得重苯（重苯用作制取古马隆树脂的原料）。轻苯先经初馏塔分离，塔底混合馏分经酸碱洗涤除去杂质，然后进吹苯塔蒸吹，再经精馏塔精馏得纯苯。2.铂重整法用常压蒸馏得到的轻汽油（初馏点约138℃），截取大于65℃馏分，先经含钼催化剂，催化加氢脱出有害杂质，再经铂催化剂进行重整，用二乙二醇醚溶剂萃取，然后再逐塔精馏，得到苯；甲苯；二甲苯等产物。3.裂解汽油制苯法裂解汽油一般含芳烃约40%-70%。芳烃中含苯约37%，甲苯约14%，二甲苯约5%。用加氢脱烷基法提取苯。首先将裂解汽油进行二段催化加氢，催化脱烷基和氢气提纯，将烷基苯转化成苯，然后经分馏得到苯。 用途: 最重要的基本有机化工原料之一。苯通过取代反应；加成反应和苯环破裂反应，可衍生出很多重要的化学中间体，是生产合成树脂；塑料；合成纤维；橡胶；洗涤剂；染料；医药；农药；炸药等的重要基础原料。苯也广泛用作溶剂，在炼油工业中用作提高汽油辛烷值的掺和剂。
