Anaerobic treatment as a core technology for energy, nutrients and water recovery from source-separated domestic waste(water)

Author:

Zeeman Grietje12,Kujawa Katarzyna1,de Mes Titia1,Hernandez Lucia3,de Graaff Marthe3,Abu-Ghunmi Lina4,Mels Adriaan2,Meulman Brendo5,Temmink Hardy13,Buisman Cees13,van Lier Jules1,Lettinga Gatze1

Affiliation:

1. Department of Agrotechnology and Food Sciences, Sub-department of Environmental Technology, Wageningen University, P.O. Box 8129, 6700 EV, Wageningen, The Netherlands

2. Lettinga Associates Foundation (LeAF), P.O. Box 500 6700 AM Wageningen, The Netherlands

3. Wetsus, Centre for sustainable water technology, P.O. Box 1113 8900 CC Leeuwarden, The Netherlands

4. WERSC, P.O. Box 1300, Amman, Jordan

5. Landustrie Sneek BV, P.O. Box 199, 8600 AD Sneek, The Netherlands

Abstract

Based on results of pilot scale research with source-separated black water (BW) and grey water (GW), a new sanitation concept is proposed. BW and GW are both treated in a UASB (-septic tank) for recovery of CH4 gas. Kitchen waste is added to the anaerobic BW treatment for doubling the biogas production. Post-treatment of the effluent is providing recovery of phosphorus and removal of remaining COD and nitrogen. The total energy saving of the new sanitation concept amounts to 200 MJ/year in comparison with conventional sanitation, moreover 0.14 kg P/p/year and 90 litres of potential reusable water are produced

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

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