Application of Cellulosic Sorption Filter Materials with Surface Flocculation Activity as Advanced Wastewater Treatment

Abstract

The natural biopolymer on earth, cellulose fibre, may offer a highly efficient and low-cost option for wastewater treatment. Cellulose-based materials have been used in food, industrial, pharmaceutical, paper, textile production, and in wastewater treatment applications due to their low cost, renewability, biodegradability, and non-toxicity. In this review, the uses of cellulose-based materials for wastewater treatment. Utilizing cellulose or lignocellulose as sorption material has several benefits such as wide availability, renewability, nontoxicity, and biodegradability. In recent years, more and more demands have been placed on the quality of wastewater. A filter media was designed that included an ionic activated cellulosic material with huge sorption activity to ions-active dissolved and colloidal particles in aqueous systems, evoking surface flocculation, and a filler material with a filter effect. The problem of low separation ability of plates and high flow rate of filtered aqueous dispersions was often solved because fine particles were not separated, in the past. In our case, an activated cellulosic material was used with a multiple (roughly ten to a hundredfold) sorption capacity for ionically active dissolved and submicron particulate impurities compared to untreated cellulosic material.