A simplistic and systematic procedure has been developed for the design and upscaling of a multichannel, continuous. Pdf on nov 1, 2019, k d cruz and others published reactor design optimization on the electrocoagulation treatment of sugarcane molassesbased distillery wastewater find, read and cite all the. Initially, two electrodes graphite plate and air cathode were connected with 0. The effect of various operational parameters such as rotational speed, current density cd. Electrocoagulation and advanced electrochemical oxidation global advantech limited exceptional clean technologies for a sustainable future 2 of 5 global advantechs electrocoagulation systems contain a number of innovative design features and benefits to ensure effective and continuous operation. Jun 01, 2010 two laboratoryscale vertical plate electrocoagulation reactors were used for this investigation. Dissolved contaminates react with the sacrificial ions and gases precipitating them from solution and then removed by flotation or other methods. Abstractthis study was carried out to investigate the effect of the electrocoagulation reactor design parameters in the removal of zinc from water. Tongdaung abstractthis study presents an investigation of electrochemical variables and an application of the optimal parameters in operating a continuous upflow electrocoagulation. Centre for environmental science and engineering, indian institute of technologybombay, india. An electrocoagulation reactor, and water purification systems and methods using the reactor, are provided. Electrocoagulation of drinking water in continuous flow mode for fluoride removal kruttika r.
The electrocoagulation of abattoir wastewater in an acrylic reactor was tested using eight pieces of mild steel and aluminium electrodes arranged in a bipolar bp or monopolar configuration system by asselin et al. Design development of an electrocoagulation reactor for molasses process wastewater treatment. This paper investigates the optimum operational conditions of a novel rotated bed electrocoagulation ec reactor for the treatment of textile wastewater. Iron electrodes have been preferred over aluminum due to their durability and cost. Removal of trace metal contaminants from potable water by. Request pdf design development of an electrocoagulation reactor for molasses process wastewater treatment the impact of electrode corrosion behaviour, reactor geometry and current density on. Surface water treatment with electrocoagulation can produce high quality water, which could be used as potable water or fresh water for industrial applications. The novel design used in the electrocoagulation reactor was inno vated by the. The efficiency of electrocoagulation for the treatment of drinking water for fluoride removal has been evaluated in this study. To this date most electrocoagulation systems were developed around a one size fits all solution. Electrocoagulation of silica nanoparticles in wafer polishing. Aluminium electrochemistry in electrocoagulation reactors martin mechelhoff imperial college london. An electrocoagulation reactor is provided for treating waste water and removing contaminants therefrom.
Having considered current density, ph, and electrolysis design. Design issues the lack of mechanistic understanding of electrocoagulation is reflected in the design of reactors. Concepts and mechanisms of coagulation and electrocoagulation have been elaborated covering the maximum. Electrocoagulation process for textile wastewater treatment in continuous upflow reactor neha tyagi1, sanjay mathur2 and dinesh kumar1. Electrocoagulation ec has been known for more than a century. Control of electrocoagulation batch reactor for oil removal. This study investigated the effects of four operational and environmental variables on the removal of trace metal contaminants from drinking water by electrocoagulation ec. A new threeelectrode electrocoagulation reactor was investigated to increase the rate of removal of phosphate from domestic wastewater. Electrochemical reactions for electrocoagulation using iron.
It has recently attracted attention as a potential technique for treating industrial effluent due to its versatility, treatment efficiency, low cost, and environmental compatibility. Design development of an electrocoagulation reactor for. Investigation of electrocoagulation reactor design parameters effect on the removal of cadmium from synthetic and phosphate industrial wastewater. Pdf investigation of electrocoagulation reactor design. The wastewater fed into the reactor for the electrocoagulation treatment. Us20090008269a1 electrocoagulation reactor and water. Electrocoagulation ec is becoming a viable alternative demand in handling of water and wastewater technologies due to its attractive advantages of higher efficiencies and simple operation of reactor made up of electrolytic cell of an anode and cathode which involves formation of coagulants at the sacrificial electrode by. Efloc reactor ecolotrons efloc reactor utilizes an electromotive force to sacrifice ions fealti into solution while simultaneously releasing o. Jul 01, 2016 a novel rotated bed electrocoagulation ec reactor was developed for the treatment of textile wastewater. It even replaces traditional treatment process such. For over 100 years electrocoagulation has been used as an effective solution for the removal of heavy metals and suspended solids in wastewater treatment. Pdf on nov 1, 2019, k d cruz and others published reactor design optimization on the electrocoagulation treatment of sugarcane molassesbased distillery wastewater find, read and cite all. This study was carried out to investigate the effect of the electrocoagulation reactor design parameters in the removal of zinc from water.
Jul 10, 2017 during the last few years, environmental sector has shown a largely growing interest in the treatment of different types of wastewater by electrocoagulation ec. Optimization of electrocoagulation operating parameters and. A kinetic study walter den1 and chihpin huang2 abstract. Treatment of textile wastewater using a novel electrocoagulation reactor design. Paper open access reactor design optimization on the. Pdf reactor design optimization on the electrocoagulation. The electrode consumption, energy consumption and operating costs of the novel reactor were found to below. Electrocoagulation for treatment of industrial effluents and hydrogen production 229 with experimental findings. Reactor design optimization on the electrocoagulation treatment of sugarcane molassesbased distillery wastewater k d cruz1,2,3, n m mateo 2, n p tangara2, and m c almendrala1 1school of chemical, biological, and materials engineering and sciences, mapua university, muralla st.
Department of civil engineering, malaviya national institute of technology, jaipur302017, india. The reactor is typically a six sided rectangular water tight housing which has an inlet pipe and an outlet pipe. Electrocoagulation for treatment of industrial effluents and. Pdf on nov 1, 2019, k d cruz and others published reactor design optimization on the electrocoagulation treatment of sugarcane. Improved electrocoagulation reactor for rapid removal of. Electrocoagulation is a complex process involving a multitude of pollutant removal mechanisms operating synergistically.
Performance of an electrocoagulation process in treating direct dye. Review of the factors relevant to the design and operation of an electrocoagulation system for wastewater treatment. Removal efficiencies for five metals arsenic, cadmium, chromium, lead and nickel. Also, possible causes for the differences in the outcomes of electrocoagulation treatments using different reactor designs were determined. The design of reactor for electrocoagulation was the first step of the work. Investigation of electrocoagulation reactor design parameters effect. Although numerous publications have appeared in the recent past, the lack of a holistic and systematic approach has resulted in the design of several treatment units without considering the complexity of.
This study investigates the effect of reactor design parameters on cadmium removal. The ec reactor design footprint is significantly smaller and lighter than conventional plate electrocoagulation systems. The objective of this study is to treat a real textile dye in an innovative pilot externalloop airlift reactor func tioning in a batch mode and also as a continuous reactor. Electrocoagulation of drinking water in continuous flow mode. Performance of an electrocoagulation process in treating. Electrocoagulation of silica nanoparticles in wafer polishing wastewater by a multichannel flow reactor.
The electrode material used was aluminum and other parameters such as current supplied, applied voltage, aspect ratio and the specific electrode area were held constant. Removal of real textile dyes by electrocoagulation. Apshankar1, sudha goel1 1 civil engineering department, iit kharagpur, kharagpur 721 302 abstract. This design greatly aids in increasing the amount of effective treatment per gallon of water. Iron electrocoagulation reactor design parameters for nom removal. Optimization of electrocoagulation operating parameters and reactor. This study investigates the effect of reactor design parameters on cadmium removal from industrial wastewater discharged by the tunisian chemical group tcg to improve as much as possible efficiency and cost of electrocoagulation ec process. Combined electrocoagulation and chemical coagulation in.
Experimental set up for electrocoagulation is shown in figure 1. Electrocoagulation ec technology for wastewater treatment. Treatment of textile wastewater using a novel electrocoagulation reactor design chapter pdf available august 2018 with 2 reads how we measure reads. Electrocoagulation applications for industrial wastewaters. Phutdhawongs lab at kasetsart university, kps, thailand. Reaec reactors were constructed based on a previous ec system design. A mine technology group tested electrocoagulation in 2008 in conjunction with an electrocoagulation technology provider. The future for electrocoagulation as a localised water. Electrocoagulation process for textile wastewater treatment. This design decision hierarchy thereby provides a consistent basis for future electrocoagulation reactor designs. Electrocoagulation has a wide variety of wastewater treatment capabilities.
It is the process of destabilizing suspended, emulsified or dissolved contaminants in aqueous medium by introducing a minimal amount of electrical current. The electrocoagulation reactor has a spirally wound assembly in which electrocoagulation treatment takes place. Investigation of electrocoagulation reactor design parameters. Wastewater treatment involves the passage of a contaminated wastewater stream through an electrocoagulation ec device. The future for electrocoagulation as a localised water treatment technology. Aluminium electrochemistry in electrocoagulation reactors.
A comparable ec plate system would need two reactors, each with 72 plates and each be 5 ft. Operating cost analysis of a concentric aluminum tubes electrodes. In the present work, electrocoagulation was applied for copper removal from aqueous solution employing iron electrodes in a cylindrical reactor. There are a multiplicity of charged plates located parallel to one another within the housing. Pdf investigation of electrocoagulation reactor design parameters. Pdf this study investigates the effect of reactor design parameters on cadmium removal from industrial wastewater discharged by the tunisian chemical. Review of the factors relevant to the design and operation of. Electrocoagulation reactor is the instrument belongong to dr. Design development of an electrocoagulation reactor. Investigation of electrocoagulation reactor design. Electrocoagulation in the treatment of industrial waters and.
Electrocoagulation and advanced electrochemical oxidation. No single empirical or systematic approach has emerged over the years in the design of electrocoagulation reactors. Experimental findings have also been discussed in depth with reference to the published articles by other researchers. The aim of the present work is to investigate the effect of the electrodes design in an electrocoagulation reactor as well as specific operational parameters on the value of total dissolved solids. Applications in industries such as water and wastewater treatment processes have been adapted for the removal of metals, nonmetals, suspended solids, organic compounds, cod chemical oxygen demand, and bod biological oxygen demand.
61 35 1498 432 554 1380 817 1044 1180 1443 364 1475 1183 1077 1279 954 1108 1409 714 1505 907 1158 682 114 540 933 42 1223 758 166 728 768 659 955 412 1445 1179 542 349 1274 1292