纤维素网膜油水分离性能研究与通量提升方法  

Study on Oil-water Separation Performance of CelluloseMesh and Flux Enhancement Method

作　　者：王璐骏 曹庆海 WANG Lujun;CAO Qinghai(Sinopec Petroleum Engineering Corporation,Shandong Dongying 257000,China)

机构地区：[1]中石化石油工程设计有限公司,山东东营257000

出　　处：《广州化工》2025年第5期82-84,共3页GuangZhou Chemical Industry

基　　金：山东省自然科学基金青年面上专项(No:ZR2024QB177)。

摘　　要：超润湿网膜在油水分离领域的应用研究日渐成熟,已有大量新型网膜材料被研发成功。然而,目前新型超润湿网膜材料的研发与应用成本仍然较高,难以广泛应用;另外,对于超润湿网膜通量控制提升方法的研究也存在不足。本研究选用棉网膜和纤维素微孔滤膜(MCE)两种商品化纤维素网膜,分别对水中浮油和乳化油进行分离,均展现出优异的油水分离性能。其中,棉网膜对水中浮油的脱除率接近100%,MCE膜对水中乳化油脱除后的残余TOC约60 mg·L^(-1)。在保证油水分离效率不降低的前提下,通过氯磺酸(HSO_(3)Cl)处理对纤维素网膜表面化学组成进行控制,实现了对通量性能的精准提升。棉网膜的通量从3.8×10^(5)增加至4.3×10^(5) L·m^(-2)·h^(-1),MCE膜的通量也从3.4×10^(3)增加至4.3×10^(3)L·m^(-2)·h^(-1)。Research on super-wetting mesh membranes for oil-water separation has advanced significantly,leading to the development of many novel materials with excellent separation performance.However,high costs limit their widespread application,and methods to enhance membrane flux remain underexplored.The feasibility of using two commercial cellulose membranes,cotton mesh and microporous(MCE)membranes,for direct oil removal from water was stdied.The cotton mesh membrane achieved nearly 100%removal of floating oil,while the MCE membrane reduced emulsified oil to a residual TOC of about 60 mg·L-1.Under the modification of HSO_(3)Cl,the flux of the cotton mesh membrane increased from^(3).8×105 to 4.3×105 L·m^(-2)·h^(-1),and MCE membrane improved from^(3).4×10^(3)to 4.3×10^(3)L·m^(-2)·h^(-1) while maintaining high removal efficiency.

关 键 词：油水分离 膜分离 润湿性 纤维素 

分 类 号：TQ028.4[化学工程]