This master thesis is part of the VUNA project which aims for nutrient recovery and treatment of urine in decentralized treatment facilities. Electrolysis is used to remove nitrogen through electrolytic ammonia oxidation. It is a promising treatment option because it is not susceptible to inflow variations. However, a disadvantage of electrolysis is that chlorinated organics, which are dangerous for environmental and human health, might be formed.
The overall goal of this master thesis is to analyze the processes of chlorinated organics formation during electrolytic treatment of stored urine. The subgoals are to choose four chlorinated, organic substances of interest, to develop a measurement method for these substances, to quantify the current efficiency in experiments with urine and to either accept or reject the following hypotheses: 1) Chlorinated organics are formed during the electrolytic treatment of stored urine. 2) If the electrode potential applied in electrolytic urine treatment is lower than the potential needed for chloride oxidation, no chlorinated organics are formed. [...]