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首页> 外文期刊>Journal of Applied Polymer Science >Biodegradable membrane based on polycaprolactone/polybutylene succinate: Characterization and performance evaluation in wastewater treatment
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Biodegradable membrane based on polycaprolactone/polybutylene succinate: Characterization and performance evaluation in wastewater treatment

机译：基于聚己内酯/聚丁烯琥珀酸的可生物降解的膜：废水处理中的表征和性能评价

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摘要

Biodegradable membranes with different compositions of polycaprolactone (PCL) and polybutylene succinate (PBS) are prepared via immersion precipitation. The morphology, hydrophilicity, chemical structure, crystalline structure, mechanical properties, and biodegradability of the membranes are studied to assess the effect of PBS concentration in the polymer blend on membrane properties. Furthermore, the performance of the obtained membranes is assessed through the treatment of wastewater sampled from the chips and snacks factory. Also, membranes' antifouling properties are assessed by filtration of a model foulant. The investigations revealed that the addition of PBS to PCL increases the membrane hydrophilicity and biodegradability. Regarding the results, the PCL membrane blended with 30 wt% PBS has 106%, 26%, and 37% higher pure water flux, flux recovery ratio, and permeate flux, in addition to the higher rejection of pollution indices, in comparison with the PCL membrane.
机译：采用浸渍沉淀法制备了不同组成的聚己内酯（PCL）和聚丁二酸丁二醇酯（PBS）生物降解膜。研究了膜的形态、亲水性、化学结构、晶体结构、力学性能和生物降解性，以评估聚合物共混物中PBS浓度对膜性能的影响。此外，通过处理从芯片和零食工厂取样的废水，对所得膜的性能进行了评估。此外，通过过滤模型污染物来评估膜的防污性能。研究表明，在PCL中加入PBS可提高膜的亲水性和生物降解性。就结果而言，与PCL膜相比，掺有30 wt%PBS的PCL膜的纯水通量、通量回收率和渗透通量分别高出106%、26%和37%，此外，污染指数的截留率也更高。

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