scholarly journals Including pathogen risk in life cycle assessment: the effect of modelling choices in the context of sewage sludge management

2015 ◽  
Vol 21 (1) ◽  
pp. 60-69 ◽  
Author(s):  
Robin Harder ◽  
Gregory M. Peters ◽  
Sverker Molander ◽  
Nicholas J. Ashbolt ◽  
Magdalena Svanström
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Sewage Sludge ◽  
Sludge Management ◽  
Sewage Sludge Management

Life cycle assessment of sewage sludge management: A review

2013 ◽  
Vol 31 (11) ◽  
pp. 1083-1101 ◽  
Author(s):  
Hiroko Yoshida ◽  
Thomas H Christensen ◽  
Charlotte Scheutz
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Sewage Sludge ◽  
Sludge Management ◽  
Sewage Sludge Management

scholarly journals Life cycle assessment of sewage sludge management options including long-term impacts after land application

2018 ◽  
Vol 174 ◽  
pp. 538-547 ◽  
Author(s):  
Hiroko Yoshida ◽  
Marieke ten Hoeve ◽  
Thomas H. Christensen ◽  
Sander Bruun ◽  
Lars S. Jensen ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Sewage Sludge ◽  
Land Application ◽  
Management Options ◽  
Sludge Management ◽  
Sewage Sludge Management

scholarly journals An environmental LCA of alternative scenarios of urban sewage sludge treatment and disposal

2007 ◽  
Vol 11 (3) ◽  
pp. 153-164 ◽  
Author(s):  
Mario Tarantini ◽  
Patrizia Buttol ◽  
Lorenzo Maiorino
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Anaerobic Digestion ◽  
Sewage Sludge ◽  
Sludge Management ◽  
Sludge Treatment ◽  
Urban Sewage ◽  
Sewage Sludge Treatment ◽  
Urban Sewage Sludge ◽  
Treatment And Disposal

The majority of pollutants that affect wastewater are concentrated by treatment processes in sludge; it is therefore critical to have a suitable evaluation methodology of sludge management options to analyze if pollution is redirected from water to other media, such as air and soil. Life cycle assessment is one of the most widely known and internationally accepted methodologies to compare environmental impacts of processes and systems and to evaluate their sustainability in the entire life cycle. In this study the methodology was applied to assess and compare three scenarios of urban sewage sludge treatment and disposal: sludge anaerobic digestion followed by dedicated incineration, sludge incineration without previous digestion, and sludge anaerobic digestion followed by composting. The potential benefits of spreading the compost to soil were not included in the system boundaries even if, due to its nutrients contents and soil improving features, compost could partially replace the use of commercial products. The study was aimed at finding out the environmental critical points of the treatment alternatives selected and at providing a technical and scientific contribution for further debates with national and local authorities on the environmental optimization of sewage sludge management. Life cycle assessment results confirmed the major contribution of electricity and methane consumption on several environmental impact categories. Incineration contributes more than sludge composting to almost all categories, although the heavy metals content of urban wastewater sludge raises substantial concerns when composted sludge is spread to soil. In this paper the models adopted, the hypotheses assumed and the main findings of the study are presented and discussed. .

Life cycle assessment of sludge management with phosphorus utilisation and improved hygienisation in Sweden

2017 ◽  
Vol 75 (9) ◽  
pp. 2013-2024 ◽  
Author(s):  
M. Svanström ◽  
S. Heimersson ◽  
G. Peters ◽  
R. Harder ◽  
D. I'Ons ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Hot Spots ◽  
Agricultural Land ◽  
Management Strategies ◽  
Phosphorus Recovery ◽  
Sludge Management ◽  
Urea Treatment ◽  
Sewage Sludge Management ◽  
Thermophilic Digestion

To provide input to sewage sludge management strategies that address expected new regulations in terms of hygienisation and phosphorus recovery in Sweden, an environmental life cycle assessment (LCA) was made. The LCA identified environmental hot spots for methods that may permit sludge or phosphorus from sludge to be applied on agricultural land. In particular, thermophilic digestion, pasteurisation, thermal hydrolysis, urea treatment and mono-incineration with phosphorus recovery were compared. In addition, a sludge management system involving drying of sludge before use in forestry was investigated. The results showed that some major impacts are related to large uncertainties, such as those related to emissions from sludge storage. It also showed that large gains can be achieved when products from the systems replace other products, in particular when biogas is used to replace natural gas in vehicles, but also when sludge is used in agriculture and forestry. In general, there are small differences between the sludge management methods. Retaining the sludge matrix to allow for its utilisation in agriculture may conflict with keeping emissions to air and water from the sludge matrix low. It is recommended that any sludge management option minimises emissions from sludge to air and water and that resources are recovered and used, in line with the principles of a circular economy.

Implementation of a Multicriteria Sewage Sludge Management Model in the Southern Québec Municipality of Lac-Mégantic, Canada

1997 ◽  
Vol 50 (1) ◽  
pp. 51-66 ◽  
Author(s):  
Claude Bellehumeur ◽  
Liette Vasseur ◽  
Colette Ansseau ◽  
Bernard Marcos
Keyword(s):  
Sewage Sludge ◽  
Management Model ◽  
Sludge Management ◽  
Sewage Sludge Management

scholarly journals Sewage sludge management – a case study

2018 ◽  
Vol 18 (46) ◽  
pp. 733-746 ◽  
Author(s):  
Dorota Miłek ◽  
Jolanta Latosińska ◽  
Zbigniew Dyk
Keyword(s):  
Sewage Sludge ◽  
Sludge Management ◽  
Sewage Sludge Management
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