Publication Details

Category Text Publication
Reference Category Journals
DOI 10.1016/j.biortech.2015.09.081
Title (Primary) Examining sludge production in bioelectrochemical systems treating domestic wastewater
Author Brown, R.K.; Harnisch, F. ORCID logo ; Dockhorn, T.; Schröder, U.
Source Titel Bioresource Technology
Year 2015
Department UMB
Volume 198
Page From 913
Page To 917
Language englisch
Keywords Bioelectrochemical systems; Wastewater treatment; COD removal; Total suspended solids; Sludge production
UFZ wide themes RU4;
Abstract Sludge production in microbial bioelectrochemical systems (BES) was assessed in conjunction with anaerobic and aerobic control reactors. Effluent after primary settling tank (EAPS) and depleted EAPS spiked with acetate were treated. The reactors were loaded with total suspended solids (TSS) and chemical oxygen demand (COD) at average loading rates of 22 mg TSS d−1 L−1 and 86 mg COD d−1 L−1, respectively. Carbon cloth anode equipped BES reactors delivered the highest performance. They achieved on average a COD removal of 80%, a Coulomb efficiency of 77% for EAPS, a maximum current density of 39 μA cm3/ 175 μA cm2 for EAPS and a TSS removal of 59%, yielding a sludge production of only 80 mg TSS per g ΔCOD. This study provides further evidence that BES can improve the economics of wastewater treatment via lower sludge production as well as providing a framework for understanding sludge production in BES.
Persistent UFZ Identifier
Brown, R.K., Harnisch, F., Dockhorn, T., Schröder, U. (2015):
Examining sludge production in bioelectrochemical systems treating domestic wastewater
Bioresour. Technol. 198 , 913 - 917 10.1016/j.biortech.2015.09.081