Okara: A Low-Cost Adsorbent for Textile Waste Water Treatment
Sarthak Saxena
Division of Biological Sciences and Engineering, Netaji Subhas University of Technology, Delhi (110 078), India
Sumit Rai*
Centre for Environmental Assessment and Climate Change, G.B. Pant National Institute of Himalayan Environment, Kosi-Katarmal, Almora, Uttarakhand (263 643), India
DOI: https://doi.org/10.54083/ResBio.2.2.2020.26-29
Keywords: Adsorption, Okara, Soyabean, Waste water treatment
Abstract
We are living in the era of expeditiously increasing population and industrialization and water is used in almost all industrial sectors such as food, pharmaceutical, metallurgy, chemical, textile industry and leather industry etc. which produces different kind of effluent. There are several methods used for removing pollutants from wastewater, among them the adsorption method is best as it removes diverse species of pollutants. Textile effluent is one of the major problems for aquatic as well as human life, contains several kinds of dyes, chemicals & hazardous substances that needs to be removed before further use. If the effluent is discharged into the environment without any treatment process, it will cause serious issues related to environmental as well human health. In various waste water treatment plants that are used for treating wastewater through adsorption, cellulosic, lignin based carbon materials, chemically or biologically activated carbonaceous of different biomass origin are used as adsorbent. This paper reviews the possibility of Okara (soyabean milk waste), being a cellulosic biomass and shows some adsorption capacity, as a low-cost adsorbent for treatment of the waste water generated from the textile industries.
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