Abstract
The research study was conducted to design the ultrasonic-assisted electrochemical reactor and the bioreactor/filter to evaluate the potential applicability of biological trickling filter system and to compare the efficiency of two reactors such as SER and TF for the treatment of textile industry effluents. Also the study to design Sonoelectrolytic process for wastewater treatment of textile industry containing strong color, high temperature, suspended particles and dissolved solid particles has been conducted. Effect to environment and health is caused by oxygen demand (BOD), high chemical oxygen demand (COD). The percentage removal efficiency for wastewater treatment of textile industry by using sonoelectrolytic reactor (SER) was found to be higher than 95% at temperature of 25°C and a pH value of 8.9, while for trickling filter (TF), having adsorbent as a filter medium, efficiency was found to be 95%, and optimum conditions obtained were applied for the treatment of different dye samples. Based on experimental outcomes, it is determined that treatment through SER is done faster than trickling filter because in TF the adsorbent capacity decreases with time and is a time-consuming process, but the chance of deposition on electrodes also increases in SER, so both these processes can yield better results if these problems are eliminated.
Highlights
In the last few years, wastewater from the textile industry has become a big problem which causes an increase in the concentration of environmental pollution in industrial cities, which in turn represents environmental risks [1]
Released wastewater in the textile industry and the chemical dyes can be considered as an important environmental concern, as about 200 L of water is used for every 1 kg of textile production [2]
Textile dyes contain a significant quantity of organic pollutants which are very difficult to degrade, and yearly around 5,000 tons of coloring materials are discharged into our environment [3]. e quantity of used water and the waste production both depend upon the amount of consumed water by several varieties of fabrics, and it changes from one textile industry to another due to reliance on the dyeing process
Summary
In the last few years, wastewater from the textile industry has become a big problem which causes an increase in the concentration of environmental pollution in industrial cities, which in turn represents environmental risks [1]. Textile dyes contain a significant quantity of organic pollutants which are very difficult to degrade, and yearly around 5,000 tons of coloring materials are discharged into our environment [3]. Most colors utilized in the textile business are effectively solvent in water and are nonbiodegradable due to their unyielding mixes and are a threat to the environment and could cause cancer [12]. Fabric industry is perhaps the biggest business on the planet, and various textures, for example, silk, cotton, and fleece are all prerestored, handled, and hued, utilizing a lot of water and a range of chemicals after treatment, so there is a need to comprehend the textile effluent well overall. Ere are several dye removal techniques (Figure 1) which are classified as chemical, physical, and biological methods. Physical method for removing dyes includes adsorption, ion exchange, and filtration/coagulation methods [21, 22], while chemical methods include ozonisation, Fenton reagent, and photocatalytic reactions and biological methods include aerobic degradation, anaerobic degradation, biosorption, etc
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