TEXTILE WASTEWATER TREATMENT BY HOMOGENEOUS OXIDATION WITH HYDROGEN PEROXIDE

By C. Zaharia, D. Șuteu, A. Mureșan, R. Mureşan, A. Popescu. 2009

236 citations recorded by the source corpus.

The textile wastewaters have a diverse composition depending both on the used raw materials and applied manufacturing technologies. These wastewaters may contain various pollutants such as organic compounds (e.g. residual dyes), suspended solids, metal ions etc. Most of dyes are synthetic compounds with aromatic molecular structures and non-biodegradable. The oxidative destruction via homogenous oxidation processes with hydrogen peroxide (simple chemical oxidation with H2O2 or advanced oxidation processes (AOPs) as Fenton oxidation, ozonation, photo-oxidation and photo-Fenton oxidation etc.) are attractive alternatives to conventional treatments, easy to be applied and not so expensive. The use of H2O2 in AOPs has the advantage that the decomposition products of organic pollutants are common harmless compounds. Moreover, H2O2 decomposes itself in water and oxygen. This paper is a review of authors’ researches regarding homogenous oxidation with hydrogen peroxide applied for different types of textile dyes in order to perform high textile dye removals considering some relevant factors: pH, agitation regime, temperature, H2O2 concentration, textile dye concentration, oxidation time, ferrous or metallic ions concentration, etc.

Subfields: Biomedical Engineering, Renewable Energy, Sustainability and the Environment, Water Science and Technology

View Paper: https://www.semanticscholar.org/paper/ac7cf228d8e2fd5f94792d2c3c23e913c1dcd452

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Citations in the corpus

Photocatalytic Applications of Metal Oxides for Sustainable Environmental Remediation (2021, background): “Dyes also cut off sunlight, preventing the photosynthesis process of aquatic plants or algae [6].”
Textile Organic Dyes – Characteristics, Polluting Effects and Separation/Elimination Procedures from Industrial Effluents – A Critical Overview (2012, methodology): “…not only because of their colour, but also because many of dyes released and their breakdown products are toxic, carcinogenic or mutagenic to life forms mainly because of carcinogens, such as benzidine, naphthalene and other aromatic compounds (Suteu et al., 2009; Zaharia et al., 2009).”