During the last two decades, and particularly during the last few years, the environmental sector has shown a largely growing interest in the treatment of different types of water and wastewater by electrocoagulation (EC) The aim of this work was to review studies, conducted mainly during 2008-2011, on the wide and versatile range of feasible EC applications employed in the purification of .
Photocatalytic Oxidation of Pollutant Dyes in Wastewater by TiO 2 and ZnO nano-materials – A Mini-review KUNAL MONDAL, and ASHUTOSH SHARMA* Department of Chemical Engineering, Indian Institute of Technology, Kanpur, India E-mail : [email protected] , towards waste water treatment by immobilized on surface or as suspension
Algae-based Wastewater Treatment Compiled by a diverse team of experts, with experience in scientific and industrial fields, the Comprehensive Report for Wastewater Treatment Using Algae is the first report that provides in-depth analysis and insights on this important field
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Jul 04, 1995· Method for treatment and decolorization of waste water from cosmetic manufacturing processes United States Patent 5429747 , flocculation of these materials to form a waxy buoyant solid that separates and is mechanically removed from the waste water This chemical is consistent with the constituent materials present in the cosmetic products .
Introduction Textile industry is one of the largest consumers of water (800–1000 m 3 /ton), and consequently, one of the largest producers of wastewater among all industries [1,2]Textile wastewater from dyeing and finishing processes has been a serious environmental threat for years This wastewater, with a Chemical Oxygen Demand (COD) concentration exceeding 1600 mg/L and a ,
Decolorization of Dyeing Wastewater Using Polymeric Absorbents - An Overview , materials, water is used firstly in the form of steam to heat the treatment baths, and secondly , stage reduces the organic load and facilitates the physical/chemical separation (biological
Feb 25, 1992· Microbial decolorization of wastewater United States Patent 5091089 , It is the result of a deliberate process of screening for natural water/soil-born and farm/industrial-waste-derived microorganisms for such specific purpose in our laboratory , physical and chemical methods are also used for removal of colored dye substances in .
Wet air oxidation (WAO), a liquid phase reaction between organic materials in water and oxygen, is one of the most economical and technologically viable advanced oxidation processes for wastewater treatment, particularly toxic and high organic content wastewater
zeolite mol sieve 13x waste oil decolorization can’t be exposed in the open air and should be stored in dry condition with air-proof package zeolite mol sieve 13x waste oil decolorization can be regenerated after a certain period of adsorption The appropriate regenerated temperature would ,
Department of Chemical Engineering, Al-Nahrain University, Baghdad, Iraq Accepted 01 April 2016, Available online 05 April 2016, Vol6, No2 (April 2016) Abstract Produced water is a huge waste volume of water associated with crude oil production It is a combination of
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Present invention offers, for the first time, a biological approach through the use of white-rot fungi to the decolorization of dye wastewater It is also applicable to other colored substances and/or their wastewater such as molass Because of its low cost, renewable and regenerative activity, and little or no secondary pollution hazard, biological method is the most widely practiced method .
process water recycling ORGANIC COAGULANTS We offer a range of liquid organic coagulants of the highest industry-quality Polyamines often replace or reduce the use of inorganic coagulants for turbidity reduction in process or wastewater streams They are particularly useful in areas of biological waste processing and fermentation .
A higher decolorization efficiency of 97% at a very high dosage of 1800 mg L–1 was observed for MCl However, considering the purity, dosage, decolorization efficiency, and quantity and quality of sludge production, ACH was found to be the best coagulant, giving 91% decolorization efficiency at a dose of just 100 mg L–1
Advanced oxidation processes, Fe2+/H2O2 and UV/H2O2, and direct photolysis (UV light) were applied in the decolorization of two synthetic waste water containing indigo and azo dyes and laundry effluent Individual aqueous solutions containing 20 mg/litre indigo carmine and Congo red dyes (43 and 29 µmol/litre, respectively) and textile laundry waste water at pH 3 were subjected to different.
ARTICLE IN PRESS Wastewater treatment in molasses-based alcohol distilleries for COD and color removal: A review Y Satyawali, M Balakrishnan TERI University, Darbari Seth Block, India Habitat Centre, Lodhi Road, New Delhi 110 003, India Abstract Molasses-based distilleries are one of the most polluting industries generating large volumes of high strength wastewater
Abstract: The invention is a method for the treatment and decolorization of waste water incident to the manufacturing of cosmetic products that contains dyestuffs, fatty organic chemicals and other organic chemicals The method requires a strong base which is added to the waste water at a suitably high temperature to cause flocculation of fatty substanc
May 08, 2003· Decolorization of reactive dyes by immobilized laccase , Also, the extent of the mineralization in waste decolorization, due to the toxic byproducts, should be evaluated continuously , , used to prevent dye transfer during and for waste water treatment, Patent US 5712153-A ,
water compared to conventional physical and chemical process In this study the use of a natural waste adsorbent–ash was investigated for the removal of a textile vat dye Ostanthren blue GCD remaining after the dyeing of cotton tex-tile The ash obtained as a waste material ,
The study aims to isolate and optimize bacterial strains having the ability to degrade and decolorize azo dyes produced in the final effluent of textile dying industri In this regard, ten bacterial strains were isolated from wastewater treatment plants, and most of them were subjected to the colored effluents resulting from dilapidated hous
In 1862, Lipscombe prepared a carbon material to purify potable water This development paved the way for the commercial applications of activated carbon, ﬁrst for potable water and then in the wastewater sector In 1865 Hunter dis-covered the excellent gas adsorption properties of carbons derived from ,
ANDRITZ Separation, trusted partner for process solutions for waste water treatment There is a wide range of challenges in municipal drinking water and waste water treatment: whereas in developing countries the focus is often on setting up a base structure for drinking water and wastewater, in .
Introduction chemical and biological techniques were described for decolorization and the final conclusion was that each The environmental problems related to industrial process alone might not be able to meet the require- wastewater are becoming more and more complex ments
Environmental, Health, and Safety Guidelines SUGAR MANUFACTURING APRIL 30, 2007 2 WORLD BANK GROUP 10 Industry-Specific Impacts and Management chemical cleaning of equipment, vinasse or spent wash from the The following section provides a summary of EHS issues associated with sugar manufacturing that occur during the
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