The effect of temperature and transmembrane pressure on the camel milk ultrafiltration performance: An optimization study

Q2 Materials Science

Journal of Membrane Science and Research Pub Date : 2021-04-01 DOI:10.22079/JMSR.2021.521519.1432

S. Razavi, Morteza Kashaninejad, M. Varidi

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Abstract

In this study, the effects of transmembrane pressure (TMP, 80-160 kPa) and temperature (T, 20-40 oC) were investigated on the camel milk ultrafiltration (UF) performance including pseudo-steady state permeate flux (JPSS), intrinsic membrane resistance (Rm), reversible fouling resistance (Rrf), irreversible fouling resistance (Rif), solutes rejection (protein (RP), lactose (RL), ash (RA) and total solids (RTS)) and minerals rejection (aluminum (RAl), iron (RFe), zinc (RZn), manganese (RMn), calcium (RCa), phosphorus (RPh), sodium (RNa), magnesium (RMg), and potassium (RK)). Based on the results, increasing TMP led to a significant increase in JPSS, Rrf, and RA while increasing T caused a significant increase in JPSS, Rrf, RL, RA, and the rejection of all minerals. Although the total fouling resistance (Rf) increased by increasing TMP and T, the share of Rrf was higher in high TMP and T compared to Rif. The results also showed that none of the linear, quadratic, and interaction effects of TMP and T on the Rm, RTS, and RP of the samples were significant. In general, camel milk solute rejections, e.g., RTS, RP, RL, RA, RAl, RFe, RZn, RMn, RCa, RPh, RNa, RMg, and RK were, on average, 51.03, 97.51, 4.73, 34.07, 99.05, 95.70, 90.64, 99.99, 46.09, 32.74, 20.44, 19.44, and 7.78%, respectively. Finally, optimum UF performance conditions in this research with the lowest Rrf, Rif, RL, and RA while the highest JPSS and RP were 135 kPa TMP and 35 oC T.

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温度和跨膜压力对骆驼奶超滤性能影响的优化研究

本研究考察了跨膜压力(TMP, 80 ~ 160 kPa)和温度(T, 20 ~ 40 oC)对驼奶超滤(UF)性能的影响，包括拟稳态渗透通量(JPSS)、固有膜阻力(Rm)、可逆污垢阻力(Rrf)、不可逆污垢阻力(Rif)、溶质截除率(蛋白质(RP)、乳糖(RL)、灰分(RA)和总固体(RTS))和矿物质截除率(铝(RAl)、铁(RFe)、锌(RZn)、锰(RMn)、钙(RCa)，磷(RPh)，钠(RNa)，镁(RMg)和钾(RK))。结果表明，TMP的增加导致JPSS、Rrf和RA的显著升高，T的增加导致JPSS、Rrf、RL、RA的显著升高，并导致所有矿物质的排异反应。虽然总结垢阻力(Rf)随TMP和T的增加而增加，但在高TMP和T条件下，总结垢阻力所占比例高于低TMP和T条件下。结果还表明，TMP和T对样品的Rm、RTS和RP的线性、二次和交互效应均不显著。总体而言，骆驼奶溶质排斥率(RTS、RP、RL、RA、RAl、RFe、RZn、RMn、RCa、RPh、RNa、RMg、RK)平均分别为51.03、97.51、4.73、34.07、99.05、95.70、90.64、99.99、46.09、32.74、20.44、19.44、7.78%。最后，本研究的最佳UF性能条件为最低Rrf、Rif、RL和RA，最高JPSS和RP分别为135 kPa TMP和35 oC T。

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来源期刊

Journal of Membrane Science and Research Materials Science-Materials Science (miscellaneous)

CiteScore

4.00

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： The Journal of Membrane Science and Research (JMSR) is an Open Access journal with Free of Charge publication policy, which provides a focal point for academic and industrial chemical and polymer engineers, chemists, materials scientists, and membranologists working on both membranes and membrane processes, particularly for four major sectors, including Energy, Water, Environment and Food. The journal publishes original research and reviews on membranes (organic, inorganic, liquid and etc.) and membrane processes (MF, UF, NF, RO, ED, Dialysis, MD, PV, CDI, FO, GP, VP and etc.), membrane formation/structure/performance, fouling, module/process design, and processes/applications in various areas. Primary emphasis is on structure, function, and performance of essentially non-biological membranes.