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采用膜工艺处理非生物性屠宰场废水——水回收利用的契机

Non-Biological Slaughterhouse Wastewater Treatment with Membrane Processes-An Opportunity for Water Recycling.

作者信息

Philipp Maximilian, Reich Jascha, Geißen Sven-Uwe

机构信息

Institut für Technischen Umweltschutz, Fachgebiet Umweltverfahrenstechnik, Technische Universität Berlin, Sekr. KF 2, Straße des 17. Juni 135, 10623 Berlin, Germany.

出版信息

Nanomaterials (Basel). 2022 Jul 5;12(13):2314. doi: 10.3390/nano12132314.

DOI:10.3390/nano12132314
PMID:35808149
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9268002/
Abstract

The pressure-driven membrane separation processes ultrafiltration (UF) and reverse osmosis (RO) enable the effective purification of wastewater, in particular in combination, allowing organic and inorganic contaminants to be separated from the wastewater. Consequently, this work investigates the suitability of this technology for slaughterhouse wastewater (SWW) recycling. This was investigated by means of laboratory and bench-scale plant membrane experiments, whereby slaughterhouse wastewater (SWW) pre-treated by flotation was first treated with UF and then further purified with RO. Through the process combination UF + RO in the bench scale experiment, a reduction of the parameters total organic carbon (TOC), chemical oxygen demand (COD) of more than 98% and 97% for the parameter total nitrogen (TN) could be achieved. This means that wastewater reuse without product contact can be guaranteed. For direct process water reuse, only the concentration limit for ammonium could not be reached. In addition, scanning electron microscopy (SEM) images and energy dispersive X-ray spectroscopy (EDX) analyses of the RO membrane were carried out before and after the experiment, which did not indicate any scaling effects.

摘要

压力驱动膜分离过程中的超滤（UF）和反渗透（RO）能够有效净化废水，特别是两者结合使用时，可将有机和无机污染物从废水中分离出来。因此，本研究探讨了该技术用于屠宰场废水（SWW）循环利用的适用性。通过实验室和中试规模的膜实验进行了研究，其中先对经浮选预处理的屠宰场废水（SWW）进行超滤处理，然后再用反渗透进一步净化。通过中试规模实验中的UF+RO工艺组合，总有机碳（TOC）、化学需氧量（COD）参数的去除率超过98%，总氮（TN）参数的去除率达到97%。这意味着可以确保废水在不与产品接触的情况下实现回用。对于直接回用工艺用水，仅铵的浓度限值未达到。此外，在实验前后对反渗透膜进行了扫描电子显微镜（SEM）图像和能量色散X射线光谱（EDX）分析，未发现任何结垢效应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/812f5e4e929c/nanomaterials-12-02314-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/c8f648367617/nanomaterials-12-02314-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/6341abff8ffe/nanomaterials-12-02314-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/2e43a53b71ca/nanomaterials-12-02314-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/7bb64194c733/nanomaterials-12-02314-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/f3eb18cc68d6/nanomaterials-12-02314-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/812f5e4e929c/nanomaterials-12-02314-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/c8f648367617/nanomaterials-12-02314-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/6341abff8ffe/nanomaterials-12-02314-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/2e43a53b71ca/nanomaterials-12-02314-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/7bb64194c733/nanomaterials-12-02314-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/f3eb18cc68d6/nanomaterials-12-02314-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c0/9268002/812f5e4e929c/nanomaterials-12-02314-g006.jpg

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本文引用的文献

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J Environ Manage. 2015 Sep 15;161:287-302. doi: 10.1016/j.jenvman.2015.07.008. Epub 2015 Jul 17.
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The effects of operational and environmental variations on anaerobic wastewater treatment systems: a review.
Bioresour Technol. 2006 Jun;97(9):1105-18. doi: 10.1016/j.biortech.2004.12.007. Epub 2005 Feb 24.