TY - JOUR AU - Heinzelmann, Elsbeth PY - 2015/05/27 Y2 - 2024/03/28 TI - Recovering Valuable Phosphates: Chemical Biotechnology as a Problem Solver for the Environment: biotechnet Switzerland JF - CHIMIA JA - Chimia VL - 69 IS - 5 SE - Columns, Conference Reports DO - 10.2533/chimia.2015.296 UR - https://www.chimia.ch/chimia/article/view/2015_296 SP - 296 AB - Researchers from the HES-SO Valais/Wallis have demonstrated how to extract phosphate from sewage sludge on the laboratory scale using renewable energy sources from a microbial fuel cell. The mobilized phosphate barely contains heavy metals and can be used to produce fertilizer of marketable quality. The necessary energy comes from a sewage treatment plant and causes no additional costs. ER -