Feasibility study for co-digestion of sewage sludge with OFMSW on two wastewater treatment plants in Germany

Krupp, Matt; Schubert, J.; Widmann, Renatus

doi:10.1016/j.wasman.2005.02.009

Cited by 76 publications

(29 citation statements)

References 1 publication

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“…It is very likely that the high degradation efficiency in the co-fermentation was due to an improved ratio of nutrients and better availability of the organic substances, which facilitate their assimilation by anaerobic consortium and increases the degree of degradation (Krupp et al 2005). These results are in agreement with those obtained by Fernández et al (2005) which reported a TVS Fig.…”

Section: Reactors Performances Under Mesophilic Conditions (35°c)supporting

confidence: 87%

Mesophilic and thermophilic anaerobic co-digestion of abattoir wastewater and fruit and vegetable waste in anaerobic sequencing batch reactors

et al. 2008

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Anaerobic co-digestion of fruit and vegetable waste (FVW) and abattoir wastewater (AW) was investigated using anaerobic sequencing batch reactors (ASBRs). The effects of hydraulic retention time (HRT) and temperature variations on digesters performances were examined. At both 20 and 10 days biogas production for co-digestion was greater thanks to the improved balance of nutrients. The high specific gas productions for the different digestion processes were 0.56, 0.61 and 0.85 l g(-1) total volatile solids (TVS) removal for digesters treating AW, FVW and AW + FVW, respectively. At an HRT of 20 days, biogas production rates from thermophilic digesters were higher on average than from mesophilic AW, FVW and AW + FVW digestion by 28.5, 44.5 and 25%, respectively. However, at 10 days of HRT results showed a decrease of biogas production rate for AW and AW + FVW digestion processes due to the high amount of free ammonia at high organic loading rate (OLR).

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Section: Reactors Performances Under Mesophilic Conditions (35°c)supporting

confidence: 87%

Mesophilic and thermophilic anaerobic co-digestion of abattoir wastewater and fruit and vegetable waste in anaerobic sequencing batch reactors

et al. 2008

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“…A study from Beijing reported that sludge disposal (drying, transport and landfill) cost 500 to 760 Yuan/t of dry sludge, which accounted for~15% of the WWTP operating costs (Zhang et al, 2006). In addition, the advantages of the co-digestion of WAS with bio-wastes are also well known and are due mainly to the increased methane yield and improved process stability, which is an additional alternative to facilitate augmenting energy capture from WAS (Dereli et al, 2010;Krupp et al, 2005;Righi et al, 2013). Rather than anaerobic digestion, the common means of sludge disposal in China is dewatering followed by landfill.…”

Section: Establishing Consistent Legislation 'From Cradle To Cradle/gmentioning

confidence: 99%

Environmental implications of increasingly stringent sewage discharge standards in municipal wastewater treatment plants: case study of a cool area of China

Wang

Huppes

et al. 2015

Journal of Cleaner Production

128

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a b s t r a c tFor the protection of the aquatic environment and public health, China has implemented increasingly stringent sewage discharge standards for municipal wastewater treatment plants (WWTPs), but faces critical challenges in terms of additional environmental burdens. In this work, a life cycle assessment (LCA) approach was used to determine the adverse environmental consequences of increasingly stringent discharge standards in a domestic WWTP, and to identify the main contributors and propose alternatives that minimize negative environmental impacts. The LCA-derived findings indicate that tightening discharge levels will indeed reduce local eutrophication but without net environmental improvement satisfied. If the treated water is not required for further reuse, it appears more environmentally promising to establish WWTPs in regions that implementing moderate-level treatment than to upgrade existing WWTPs to much higher standards, except in conservation zones, areas of high population density, and in watersheds with less resilience to pollution. Overall, environmental improvement can be satisfied by introducing consistent "cradle-to-cradle/grave" legislation for WWTPs. It was implicated that decision makers should therefore emphasize energy conservation and wastewaterderived resource recovery approaches to the operation of WWTPs.

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“…The building of new digesters, the upgrade of existing ones, and the installation of facilities for the delivery, pre-treatment and storage of food waste (Edelmann, 2000;Hartmann et al, 2004;Krupp et al, 2005), required for co-digestion, cannot currently be easily provided due to economic barriers and policy restrictions. These regulations impose a level of complexity which exceeds the potential of co-digestion, and initiatives to implement this process have been severely hindered.…”

Section: Constraints Of Food Waste Co-digestion With Sewage Sludgementioning

confidence: 99%

Food waste co-digestion with sewage sludge – Realising its potential in the UK

Iacovidou

Ohandja

Voulvoulis

2012

Journal of Environmental Management

178

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Feasibility study for co-digestion of sewage sludge with OFMSW on two wastewater treatment plants in Germany

Cited by 76 publications

References 1 publication

Mesophilic and thermophilic anaerobic co-digestion of abattoir wastewater and fruit and vegetable waste in anaerobic sequencing batch reactors

Mesophilic and thermophilic anaerobic co-digestion of abattoir wastewater and fruit and vegetable waste in anaerobic sequencing batch reactors

Environmental implications of increasingly stringent sewage discharge standards in municipal wastewater treatment plants: case study of a cool area of China

Food waste co-digestion with sewage sludge – Realising its potential in the UK

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