International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 09 Issue: 03 | Mar 2022 www.irjet.net p-ISSN: 2395-0072 © 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 1156 Removal of Arsenic from Ground Water by Electrocoagulation Effluent Treatment Process using Low Cost Adsorbents Gauri Kamble 1 , Aniket Jadhav 2 , Savani Deshpande 3 , Jayesh Baviskar 4 , Dr. Satyajit Deshmukh 5 1-4 Student, Chemical, Datta Meghe College of Engineering, Airoli, India 5 Asst. Professor, Chemical, Datta Meghe College of Engineering, Airoli, India ---------------------------------------------------------------------***---------------------------------------------------------------------- Abstract - Water pollution due to the disposal of heavy metals continues to be a great concern world- wide. As a result, the treatment of dirty industrial wastewater remains a topic of global concern because wastewater collected from municipalities, communities and industries must eventually be returned to receiving water source [1]. In order to remove this toxic heavy metals many techniques are used all over the world. In these pile of techniques ETP (EFFLUENT TREATMENT PROCESS) that uses ELECTROCOAGULATION SYSTEM METHOD along with LOW COST ADSORBENTS has drew serious attention. Low cost adsorbents are preferred over others due to their low cost, ease of application and eco- friendliness etc. The various low cost adsorbents are green shell, peanut husk, zeolites and Fly ash etc. This review paper acknowledges comparison between adsorbent made up from green coconut shell that is used in combination with ETP and ECOAG PROCESS with ferric hydroxide that is also used as an adsorbent to get rid of toxic heavy metals such as arsenic from ground water. Key Words: Water pollution, Water treatment, Heavy metal, Arsenic, E-coagulation, ETP, Low-cost Adsorbents, Green coconut shell, Iron hydroxide. 1. INTRODUCTION We know, Arsenic is one of the toxic elements. It affects the ground water which arises to many health diseases for humans and animals. There are many ways of detoxing water where in Electrocoagulation, Membrane Technology, Effluent Treatment Process (ETP), etc. works for removing Arsenic from ground water. 1.1 Water Contamination As commercial global has grown, environmental demanding situations have additionally increased. A known form of pollutants the arena is presently suffering with is water pollutants. Water pollutants may be as a result of a selection of things consisting of agriculture, sewage and wastewater, oil pollutants and radioactive substances. Wastewater, specifically which discarded through industries, can comprise an extensive variety of heavy metals. The ranges of heavy metals infection in water which incorporates Pb, As, Cd, Hg, Cr, Ni etc. in severa water reassets as ground, ground and tap water etc. A form of heavy metals, some of them are potentially toxic and are transferred to the surrounding environment thru via severa pathways. Heavy metal toxicity has validated to be a main risk and there are various health risks associated with it. The toxic effects of these metals, regardless of the truth that they do now not have any natural role, their toxic effects are despite the fact that risky for the human body and its proper functioning. [2][3] 1.2 Arsenic Arsenic is a natural semi steel chemical that is located anywhere within side the worldwide in numerous water bodies. Arsenic has 185pm molecular size. The allowed interest of arsenic in drinking- water is 10 micrograms consistent with litre [4]. Arsenic, a well-known carcinogen, is regarded as one of the world-wide’s most risky chemicals [5]. Arsenicosis, a now no longer unusual place name commonly used for As related health problems which consist of pores and pores and skin disorders, pores and pores and skin cancers, internal cancers (bladder, kidney, and lung), ailments of the blood vessels of the legs and feet, possibly diabetes, multiplied blood pressure, and reproductive disorders[6][7]. Current techniques to remove arsenic embody precipitation, such as lime or coagulants to water, the use of membranes to clean out it out, or the use of an ion ex-trade process [8]. The most inexperienced and used method for removal of arsenic are MEMBRANE TECHNOLOGIES, COAGULATION, ADSORBPTION [9]. There are subtypes for membrane technology and adsorption. 2. METHODS TO REMOVE ARSENIC Membrane technology is divided into four types, those are Microfiltration, Ultrafiltration, Nano filtration and Reverse Osmosis. In Adsorption, we have Activated Alumina, Iron based sorbents, Zero- valent iron, Indigeneous filters, miscellaneous sorbents, metal organic framework. Electro- coagulation is a type of an advanced oxidation reaction. In this review paper we shall be discuss on electrocoagulation and low cost adsorbents [10].