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Environmental systems analysis waste management: with emphasis on substance flows and environmental impact
KTH, Superseded Departments, Chemical Engineering and Technology.ORCID iD: 0000-0002-5535-6368
1998 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH , 1998. , viii, 38 p.
Series
Trita-KET-IM, ISSN 1402-7615 ; 1998: 16
Keyword [en]
Avfallshantering, Miljösystemanalys, Waste management planning, Environmental systems analysis
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-838ISBN: 992-740741-6 OAI: oai:DiVA.org:kth-838DiVA: diva2:14822
Presentation
(English)
Note
QC 20100415 NR 20140804Available from: 2000-09-26 Created: 2000-09-26 Last updated: 2010-04-28Bibliographically approved
List of papers
1. Planning biodegradable waste handling in Stockholm
Open this publication in new window or tab >>Planning biodegradable waste handling in Stockholm
(English)Manuscript (preprint) (Other academic)
Keyword
municipal waste management, biodegradable waste, energy and substance flow modeling, life cycle assessment, nutrient recycling, environmental impact
National Category
Other Environmental Engineering
Identifiers
urn:nbn:se:kth:diva-12396 (URN)
Note
QC 20100415Available from: 2010-04-15 Created: 2010-04-15 Last updated: 2011-02-07Bibliographically approved
2. System boundaries in waste management models-Comparing different approaches
Open this publication in new window or tab >>System boundaries in waste management models-Comparing different approaches
1998 (English)In: Systems engineering models for waste management : proceedings from the international workshop held in Gothenburg, Sweden 25-26 February 1998 / [ed] Sundberg, Johan, 1998Conference paper, Published paper (Refereed)
Keyword
system boundaries, modelling, waste management, material flow
National Category
Other Environmental Engineering Production Engineering, Human Work Science and Ergonomics
Identifiers
urn:nbn:se:kth:diva-12397 (URN)
Conference
Systems Engineering Models for Waste Management, 25–26 February 1998, Göteborg
Note
QC 20100415Available from: 2010-04-15 Created: 2010-04-15 Last updated: 2011-02-07Bibliographically approved
3. Evaluating a municipal waste management plan using ORWARE
Open this publication in new window or tab >>Evaluating a municipal waste management plan using ORWARE
1999 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 7, no 4, 271-280 p.Article in journal (Refereed) Published
Abstract [en]

Environmental consequences of implementing Uppsala's waste management plan have been analysed using ORWARE, a computerized static substance flow model based on life cycle assessment methodology. Normalizing emissions from waste management to total emission loadings in the municipality was tested as a means to improve the evaluation. It was found that anaerobic digestion of biodegradable waste can reduce net environmental impact, while large-scale composting either increases environmental impact or gives less reduction than anaerobic digestion. In either case, metal contamination of digester sludge or compost may limit the feasibility of the systems. Increased materials recycling has the potential of reducing environmental impact, provided that processing of recycled materials causes equal or less environmental impact than extraction and processing of virgin raw materials. Normalization showed that all impact categories were of roughly equal importance. It was shown that easy accessible data published by a Swedish municipality were sufficient to do a relatively comprehensive normalization.

Keyword
environmental impact, normalization, waste management planning
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-12391 (URN)10.1016/S0959-6526(99)00086-4 (DOI)
Note
QC 20100415Available from: 2010-04-15 Created: 2010-04-15 Last updated: 2017-12-12Bibliographically approved
4. ORWARE – A simulation model for organic waste handling systems.: Part 1: Model description
Open this publication in new window or tab >>ORWARE – A simulation model for organic waste handling systems.: Part 1: Model description
Show others...
1997 (English)In: Resources, Conservation and Recycling, ISSN 0921-3449, E-ISSN 1879-0658, Vol. 21, no 1, 17-37 p.Article in journal (Refereed) Published
Abstract [en]

A simulation model, ORWARE (ORganic WAste REsearch), for the handling of organic waste in urban areas has been constructed. The model provides a comprehensive view of the environmental effects, plant nutrient utilisation and energy turnover for this large and complex system. The ORWARE model consists of several sub-models; sewage plant, incineration, landfill, compost, anaerobic digestion, truck transport, transport by sewers, residue transport and spreading of residues on arable land. The model is intended for simulating different scenarios, and the results are: emissions to air and water, energy turnover and the amount of residues returned to arable land. All results are presented, both as the gross figure for the entire system and figures for each process. Throughout the model all physical flows are described by the same variable vector, consisting of 43 substances. This extensive vector facilitates a thorough analysis of the results, but involves some difficulties in acquiring relevant data. In this paper, the model is described. Results from a hypothetical case study are presented in a companion paper.

Keyword
Systems analysis; Modelling; Waste management; Environmental impact; Plant nutrient recycling; Integrated waste management
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-12389 (URN)10.1016/S0921-3449(97)00020-7 (DOI)
Note
QC 20100415Available from: 2010-04-15 Created: 2010-04-15 Last updated: 2017-12-12Bibliographically approved

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Citation style
  • apa
  • harvard1
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