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There are negative effects on the environment that are the result of poorly applied technological procedures such as waste water treatments that release toxic and dangerous chemicals. Chemical compounds used in the waste water treatment process are detrimental to the normal environmental conditions. One of the common compounds present in waste water (chemical processes, agricultural run off) or sewage plants is ammonia (NH3 ). Ammonia is present in the waste water plants in low concentrations (0.5-2 mmol/L)[1,2]. The technology being studied will remove ammonia from waste water during sewage treatment to produce hydrogen while returning clean water to the environment. A previous study in the Electrochemical Engineering Laboratory at Ohio University used high concentrations of ammonia in alkaline media and low temperatures (25-60°C) to electrolyze ammonia[3]. The objective of this paper is to evaluate the technical and economical feasibility of implementing this process (electro-oxidation of ammonia) for the removal of ammonia and the cogeneration of hydrogen. In order to simulate waste water treatment plant conditions, low concentrations of ammonia are been evaluated in an alkaline solution of potassium hydroxide (KOH) and the same temperature range. The electrolysis of ammonia is environmentally sound as it produces pure hydrogen as a product which can be used in fuel cells, and releases nitrogen without any hazardous consequences.

Electrolysis of Ammonia Effluents: A Remediation Process with Co-generation of Hydrogen