A CASE STUDY FOR WASTEWATER TREATMENT: LLANELLI LOCATION: LLANELLI SUMMARY The removal of phosphorous (P) during the sewage treatment process is a crucial area of interest within the water industry. Since April 2015, new legislation states a maximum concentration of With a major capital scheme and new P consent in place for Llanelli Wastewater Treatment Works (WWTW), DCWW commissioned a trial with Hydro to assess the electro-coagulation (EC) process and a cost-efficient solution to P removal. In accordance with DCWW's 25 year vision toward chemical-free treatment, the greater benefits and applications of EC were explored. BACKGROUND Phosphorous pollution is a major threat to water streams and the aquatic environment, its presence causes many water quality problems including: loss of aqua

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