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本文介绍苏州硫酸厂“二文一器一电”水洗净化流程。改造前后的主要技术经济指标对比表明,“二文一器一电”的指标优于“文、泡、电”等净化工艺,气体达到部颁净化指标。同时酸性污水量可减少一半,转化系统阻力明显降低,开车率提高,消耗下降,产量增加,产品质量达到部优,取得了良好效益。投资估算表明,改造的全部投资可在三年五个月内收回。 相似文献
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无水洗彩色照相纸加工是80年代兴起的新技术。它的加工药液与EP-2工艺药液相比,在组份上有许多重大的变动。本文中阐述了无水洗加工药淮的共性特点,从理论上论述了其主要组份的作用原理。 相似文献
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为了除去使醋化反应生成DBP产生酸度的杂质,需要设计DBP中和水洗实验及其量优条件,道过正交实验分析得到各影响因素对该实验的影响水平,并结合单目素实验分析得到各主要因素对实验影响的规律,量后综合各影响因素,得到了DBP中和水洗实验条件的量优条件为:丁醇浓度(wt%):3%;丁醚浓度(wt%):15%;NaOH(wt%):2.5%。 相似文献
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通过对氯气处理工序存在氯中含水高,系统管阀设备堵塞,氯压机出力不够,酸耗高、环境污染等主要问题进行分析和探讨,指出原工艺存在的问题,提出水洗、酸洗等一系列工艺改进和设备增容改性措施,收到良好效果。 相似文献
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水洗是金属表面处理工艺中不可缺少的组成部分,其过程质量好坏直接影响到产品的表面质量。本文主要对金属表面处理工艺中水洗过程的质量要求、水洗方法、水洗水的循环再利用等进行了研究,并例举了一些应用实例,希望对金属表面处理工艺用水及供排水管理有一定的参考价值。 相似文献
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利用立式自动压滤机对4A沸石晶化料浆和合格料浆进行了一系列分离洗涤和风干试验,试验结果表明,该设备的洗涤效果不明显,不能用该设备对4A沸石晶化滤饼进行直接洗涤;但是其滤饼水分可以降到15%以下,故可以用在晶化料浆和合格料浆的分离与风干工序上,能大大降低搅洗工序的洗涤水耗和烘干工序的能耗。 相似文献
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白水泥生产工艺中,其洗矿流程和洗矿设备的选用对洗矿效率影响很大,从而直接影响白水泥产品的白度指标。文章以一白水泥生产线的为例,分析了该线洗矿流程存在的系列问题与缺陷;在此基础上,进行了工艺流程改造和洗矿设备结构改造二方面的技术途径探讨。从理论上分析,文章所介绍的二方面改造方案是可行的,效果也是可以预见的。 相似文献
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W. Vogtman A. Degórski E. Wójcik 《Journal of the American Oil Chemists' Society》1981,58(11):1015-1019
A method of evaluating washing effectiveness based on the analysis of the effect of the number of washings on the degree of
cleaning was verified in this work. Four commercially available washing agents were tested. The method proved useful for evaluating
the degree of cleaning of cotton fabrics and for classifying washing agents according to their washing power. The method is
simple, economic and effective. 相似文献
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Über Aktivitätsuntersuchungen proteolytischer Enzyme,insbesondere unter waschtechnischen Bedingungen
H. R. Jaag 《European Journal of Lipid Science and Technology》1969,71(5):404-406
Investigations on the Activity of Proteolytic Enzymes Especially Under the Conditions Employed in Washing Technique Number of methods have been suggested for the activity determination of proteases and amylases. A few of these methods are currently employed for enzymes used in washing agents. The results thus obtained do not necessarily permit an evaluation that is of practical significance since very specific conditions prevail in the actual washing technique. A method of testing is reported here in which the conditions employed in the washing operation are especially taken into account. Furthermore the determination of enzymes in biologically active washing agents and the tolerance of proteases towards perborate oxygen are reported. 相似文献
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Washing of Disperse Solid Systems – Existing Washing Processes and Guidelines for Choosing the Appropriate Washing Procedure Washing of disperse solid systems is a widely used and complex operation. Since the washing‐step is mostly integrated into other process operations, it is subject to numerous demands, which exceed the primary demands like a good separation result and a low specific wash liquid demand. Because of the phenomenology and limits of different washing procedures it is difficult to choose an appropriate washing process. Additionally, the acting transport mechanisms of some washing procedures are not yet sufficiently understood. This work shows a broad overview over the existing washing processes, the numerous parameters and the demands they have to fulfill. A categorization of washing procedures as well as a classification of the processes concerning their macroscopic transport phenomena are the base for a broad decision chart which compares and evaluates existing washing processes and shows their individual limits. The work can be seen as a rough guideline for choosing the appropriate washing procedure. 相似文献
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依据铜洗吸收原理,拟对中小型合成氨厂铜洗设备及工艺加以改进,增设段间冷却器,使铜洗塔吸收温度得到优化出口温度由25-30℃降至12℃,进而提高气体净化率,降低吸收液消耗。 相似文献