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Coagulation: An Electrochemical Process

998 Words4 Pages

1. Introduction Electrocoagulation is a electrochemical process in which floc of metallic hydroxides are generated within the effluent, which to be treated, by electrodissolution of anodes. Compared with flocculation process and chemical coagulation, electrocoagulation (EC) has no of advantages, such as removal of the smallest colloidal particles. Compare to conventional coagulation process, Less amount of sludge is generated during EC process. Excessively addition of coagulants can be avoided by using EC, due to the generation of the coagulants by electro oxidation of a sacrificial anode. EC has easy operation and simple equipment. The most common electrode materials used for EC are aluminum and iron. They are readily available, economical, very effective. When aluminum is used as electrode material, the reactions …show more content…

EC treatment of oil wastewater samples has been tested on a laboratory scale and good removal of COD, color, turbidity and dissolved solids at varying operating conditions were obtained. 2. Materials and methods: 2.1 Experimental equipment: An electrochemical reactor shown in figure, having 500 ml with a speed of agitation of 200 rpm with aluminum electrodes in series arrangement connected to a DC power supply ( 1.5 Amp & 6 Volt ) was used to carry out the experiments. The total 4 no of electrodes are used. The % removals of Chemical Oxidation Demand (COD) were calculated by changing different parameters: pH, electrode gap and operation time. 2.2Materials: Sample for experiment were collected from ABC Barings Ltd. Oily Wastewater generated in Heat Section of

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1454 Words | 6 Pages

For this lab, zeolite and magnetized zeolite were synthesized and compared with charcoal to find out with would be the most effective in the sequestering of Procion Red dye. Finding the concentration and absorbance of each zeolite, magnetized zeolite, and charcoal, along with a calibration curve, the best adsorbent is determined. Charcoal was the overall best sequestration of the Procion Red dye, since the adsorbent was highest compared to the others. Introduction Pollution has increased in the environment over the years, so the purpose of this experiment is to find the best adsorbent of chemicals to reduce the pollution.

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405 Words | 2 Pages

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1013 Words | 5 Pages

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896 Words | 4 Pages

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Copper Recovery Lab Report

471 Words | 2 Pages

The percent recovery of the copper was calculated using the equation, percent recovery = (the mass of the copper recovered after all the chemical reactions/the initial mass of the copper) x 100. The amount of copper that was recovered was 0.32 grams and the initial mass of the copper was 0.46 grams. Using the equation, (0.32 grams/0.46 grams) x 100 equaled 69.56%. The amount of copper recovered was slightly over two-thirds of the initial amount.

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1223 Words | 5 Pages

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1781 Words | 8 Pages

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800 Words | 4 Pages

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787 Words | 4 Pages

The purpose of this lab was to create a device with the materials provided for us to remove solids and suspended materials out of the contaminated water. By creating this device we will be able to simulate the first stage of wastewater removal additionally, depending on how we build our device it will determine the turbidity of the contaminated water. With that we believed that our device will be able to remove most of the suspended materials, the gravel will filter out the bigger particles, the filter paper will filter out the smaller materials and the cloth will remove the remaining sediments. Although our device will remove most of the solids we predicted that there will some particles that will still be in the treated water.

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953 Words | 4 Pages

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