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The elimination of pollutants from waste water is a serious challenge that needs to be addressed. The conventional treatment process has limitation of not completely removing colour from wastewater. Oxidation with ozone proves to be one of the most efficient methods of treatment of colored aqueous effluent from textile industries. The study highlights the importance of ozone in colour removal t...

The ability of four different species of white rot fungi viz., Coriolus versicolor, Termetomyces sp, Pleurotus ostreatus and Schizophyllum commune to remove Azo dyes from aqueous solutions were evaluated in batch culture under laboratory conditions. C. versicolor was found to be the most efficient colour removing species for the three dyes investigated. Maximum removal capacity of C. versicolor...

Blue light can damage retina and cause age related macular degeneration. After cataract surgery and lens removal retina stays unprotected. Blue light filtering intraocular lenses (IOL) increase protection of the retina. In our prospective study we investigated clinical results after bilateral implantation of Acrysof Natural IOL to 30 patients (N = 60 eyes). In a control group (N = 60 eyes, 30 p...

Indigo is one of the most consumed dyes in the textile sector, as it is widely used for the dyeing of denim clothes. About 15% of indigo used in the dyeing process is discharged to the wastewater treatment plants or sometimes into rivers, in countries where regulations are not strictly applied. In this work, real effluents that contained indigo dye were treated by means of 4 different ultrafilt...

Textile dye wastewaters are characterized by strong colour, salts and other additives, high pH, temperature, chemical oxygen demand (COD) and biodegradable materials. Being aesthetically and environmentally unacceptable, these wastewaters need to be treated before their discharge. Anaerobic bioprocesses have been proposed as being environmentally friendly and relatively cheap; however, when app...

Effluent originating from distilleries contain large amount of dark brown coloured wastewater called molasses spent wash (MSW). This MSW is the unwanted residual liquid waste to dispose because of low pH, high temperature, dark brown colour, high ash content, unpleasant odour and high percentage of organic and inorganic matter. Dark brown colour of MSW is due to the presence of melanoidin pigme...

Abstract In October 1939, the British Government lifted a formal ‘colour bar’ to military service for duration of hostilities. Yet despite state’s rhetoric multi-racial, multi-ethnic ‘People’s War’, racial discrimination continued pervade Britain’s wartime armed forces. particular, Royal Navy (RN) fiercely resisted opening up naval eligible men colour. Providing fresh critical perspective on Ad...

statement of problem: acrylic teeth of dentures are prone to discoloration due to frequent exposure to different colouring solutions in the oral environment. thus, in order to maintain their aesthetic appearance, they must possess high colour stability while exposed to colorant solutions. objectives: to compare the colour stability of three different brands of acrylic teeth following immersion ...

A mesoporous titania (TiO2) membrane on an alumina support was successfully fabricated via the sol–gel processing method. The effects of combined ozonation and TiO2 membrane filtration on the permeate flux and permeate quality were investigated. Ozone injection into the feed water during the filtration resulted in an increase in the permeate flux within the first 0.5 h. Ozonation decreased the ...