Use plants to manufacture purified terephthalic acid (PTA) and monoethylene glycol (MEG).
利用植物生产纯化对苯二甲酸(PTA)和单乙二醇(MEG)。
Objective To study injury of liver and kidney among the workers exposed to terephthalic acid(TPA), ethylene glycol(EG) and(or) dowtherm A(DOW), and research for early biological monitoring indexes.
目的研究对苯二甲酸(TPA)、乙二醇(EG)、联苯-联苯醚(DOW )对职业人群肝肾损伤的影响,寻找作业工人健康监护的早期指标。
Purified terephthalic acid, one of the main raw materials of polyester, is produced by p-xylene liquid phase oxidation.
精对苯二甲酸是聚酯工业的主要原料,目前主要采用对二甲苯空气氧化法生产。
Separation process of terephthalic acid (TA) from colored alkali reduction wastewater by acidation was studied and TA was simply refined through pretreatment.
文章研究了酸析法从带色碱减量废水中回收对苯二甲酸(TA)过程,并且通过废水预处理进行TA的简单精制。
The operation condition of indigenous palladium-carbon catalyst was analyzed, two batches of the catalysts used in purified terephthalic acid(PTA) unit sequentially.
分析了中国石油化工股份有限公司天津分公司精对苯二甲酸(PTA)装置先后采用的两批国产钯碳催化剂使用状况。
The properties of purified terephthalic acid(PTA)waste mud in the process of PTA sewage tank were intro- duced briefly.
简要介绍了精对苯二甲酸(PTA)生产过程中,外排至污水厂活性污泥处理池中形成的污泥废料的性状。
This paper reports a novel, simple, rapid and accurate method for determination of 4-CBA and p-TOL in purified terephthalic acid by capillary electrophoresis.
报道了利用毛细管电泳技术检测精制对苯二甲酸中的主要杂质4-羧基苯甲醛和对甲苯甲酸的方法。
From economical and environmental points of view, the development of a new oxidation system, which overcomes these disadvantages for the production of terephthalic acid, is desired.
从经济和环境的角度来看,都需要开发一种新的氧化体系来克服对苯二甲酸生产工艺的缺点。
The results show that the PTA crystallization kinetics parameters using optimization and regression can be utilized preferably to the modeling of purified terephthalic acid multistage crystallizer.
研究结果表明,优化回归得到的精对苯二甲酸结晶动力学方程能够较好地模拟PTA连续多级降压蒸发结晶过程。
By analysis of the production of polyethylene terephthalate (PET), the adjustment and effect of esterification process using purified terephthalic acid (PTA) purchased outside were discussed.
通过对聚对苯二甲酸乙二醇酯(PET)生产的分析,论述了当使用外购精对苯二甲酸(PTA)时,酯化工艺的调整及效果。
It is oxidized to form terephthalic acid for polyester resins and fibers.
它可氧化生成对苯二甲酸用于生产聚酯树脂和纤维。
For resolving the lack of solubility data terephthalic acid in aqueous acetic acid, a method of determining the solubility at high temperature was developed.
针对对苯二甲酸工业中的溶解度基础数据缺乏的问题,提出了一种测定高温下对苯二甲酸在醋酸水溶液中的溶解度的方法。
The Effects of cobalt and manganese on the activity of anaerobic sludge in the treatment of waste water from the production of purified terephthalic acid (PTA) were studied.
研究了钴、锰对生产精对苯二甲酸(PTA)的废水处理中厌氧污泥活性的影响。
The present world market of pure terephthalic acid is reviewed. An analysis and projection on the production, import and export, and consumption of China's pure terephthalic acid are given.
介绍了精对苯二甲酸国外市场情况,对国内精对苯二甲酸的生产、进出口和消费做了分析和预测。
Terephthalic acid is a common organic pollutant which is poisonous and toxic to organism to some extent.
对苯二甲酸是常见的、对生物具有一定毒害性的有机污染物。
Serum angiotensin converting enzyme(SACE)was analyzed in 209 workers exposed to terephthalic acid(TPA)and 107 control workers.
对209名TPA作业工人和107名对照工人的血清血管紧张素转换酶(SACE)水平进行分析。
The paper reviews FCC enrichment regeneration technology, CLAUS enrichment sulphur recovery process and the enrichment technology used in terephthalic acid (TPA) equipment.
综述了催化裂化富氧再生技术、富氧克劳斯硫磺回收工艺和TPA装置富氧工艺。
The Rheological property of self - prepared PET synthesized with medium - purity terephthalic acid was studied with capillary rheometer.
采用毛细管流变仪研究了自制的用中纯度对苯二甲酸( MTA)合成的聚对苯二甲酸乙二醇酯(PET)流变性能。
The key to the question of making the Chemical Fiber Plant meet the environmental protection target is to treat the effluent from terephthalic acid and polyester equipment.
对苯二甲酸和聚酯装置废水的处理是制约化纤厂环保达标的关键。
The kinetics ofp - xylene oxidation to terephthalic acid was experimentally determined.
实验测定了对二甲苯高温氧化各步反应动力学数据。
Partially substituting for ethylene glycol (EG), 1, 4-cyclohexanedimethanol (CHDM) was copolymerized with terephthalic acid (PTA) to produce copolyesters (PETG).
以1,4 -环己烷二甲醇(CHDM)部分替代乙二醇(EG)与对苯二甲酸(PTA)共聚合成共聚酯(PETG)。
This paper discusses the research progress on the toxicity of terephthalic acid to different organisms at various life levels.
本文主要阐述了对苯二甲酸在各级生物水平上对不同生命体的毒性研究进展。
The total concentrations of terephthalic acid and phthalic acid were higher in summer and winter, but lower in spring and autumn.
对苯二甲酸和邻苯二甲酸的质量浓度之和在夏、冬季较高,春、秋季较低。
So this paper also introduced its microbial production-method. Combining with existing technique, the prospect of producing terephthalic acid with microbial methods was put forward.
介绍了对苯二甲酸的酶法生产,并结合现有技术,提出利用腈水解酶生产对苯二甲酸的展望。
Propyleneglycol, polymer with terephthalic acid, fumaric acid and 2,2-dimethyl-1,3-propanediol.
丙二醇与对苯二甲酸、反丁烯二酸和2,2-二甲基-1,3-丙二醇的聚合物。
Purified terephthalic acid (PTA), produced mainly by the method of air oxidation of xylene, is a raw material for the polyester industry.
精对苯二甲酸是聚酯工业的原料,主要采用对二甲苯空气氧化法生产。
Purified terephthalic acid (PTA), produced mainly by the method of air oxidation of xylene, is a raw material for the polyester industry.
精对苯二甲酸是聚酯工业的原料,主要采用对二甲苯空气氧化法生产。
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