Inst. Technischen Umweltschutz

227 Items

Recent Submissions
Advancing the water footprint into an instrument to support achieving the SDGs – Recommendations from the “Water as a Global Resources” Research Initiative (GRoW)

Berger, Markus ; Campos, Jazmin ; Carolli, Mauro ; Dantas, Ianna ; Forin, Silvia ; Kosatica, Ervin ; Kramer, Annika ; Mikosch, Natalia ; Nouri, Hamideh ; Schlattmann, Anna ; Schmidt, Falk ; Schomberg, Anna ; Semmling, Elsa (2021-03-04)

The water footprint has developed into a widely-used concept to examine water use and resulting local impacts caused during agricultural and industrial production. Building on recent advancements in the water footprint concept, it can be an effective steering instrument to support, inter alia, achieving sustainable development goals (SDGs) - SDG 6 in particular. Within the research program “Wat...

Life cycle assessment of decarbonization options—towards scientifically robust carbon neutrality

Finkbeiner, Matthias ; Bach, Vanessa (2021-04-01)

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The First City Organizational LCA Case Study: Feasibility and Lessons Learned from Vienna

Cremer, Alexander ; Berger, Markus ; Müller, Katrin ; Finkbeiner, Matthias (2021-04-30)

Cities are recognized as a major contributor to environmental pressures. Recently, organizational LCA (OLCA) has been found to align well with requirements for city-scale environmental decision support and a novel city-OLCA framework was introduced. City-OLCA combines two relevant aspects: It covers activities beyond public service provision (multi-stakeholder) and emissions beyond greenhouse g...

Co-Digestion of Rice Straw with Cow Manure in an Innovative Temperature Phased Anaerobic Digestion Technology: Performance Evaluation and Trace Elements

Muhayodin, Furqan ; Fritze, Albrecht ; Larsen, Oliver Christopher ; Spahr, Marcel ; Rotter, Vera Susanne (2021-04-29)

Rice straw is an agricultural residue produced in abundant quantities. Open burning and plowing back the straw to the fields are common practices for its disposal. In-situ incorporation and burning cause emissions of greenhouse gas and particulate matter. Additionally, the energy potential of rice straw is lost. Anaerobic digestion is a technology that can be potentially used to utilize the sur...

Cylindrospermopsin transformation by manganese-oxidizing bacteria

Martínez Ruiz, Erika Berenice (2021)

Cylindrospermopsin is a highly persistent and toxic alkaloid toxin produced by cyanobacteria. Information regarding biological transformation of cylindrospermopsin is scarce, only a few cylindrospermopsin -removing microbial isolates and communities have been described, and so far, transformation products of biological processes have not been identified. Owing to the ability to remove a variety...

Water Footprint and Life Cycle Assessment: The Complementary Strengths of Analyzing Global Freshwater Appropriation and Resulting Local Impacts

Gerbens-Leenes, Winnie ; Berger, Markus ; Allan, John Anthony (2021-03-15)

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A Review of Composting Process Models of Organic Solid Waste with a Focus on the Fates of C, N, P, and K

Yang, Zheng ; Muhayodin, Furqan ; Larsen, Oliver Christopher ; Miao, Hong ; Xue, Bing ; Rotter, Vera Susanne (2021-03-06)

To foster a circular economy in line with compost quality assessment, a deep understanding of the fates of nutrients and carbon in the composting process is essential to achieve the co-benefits of value-added and environmentally friendly objectives. This paper is a review aiming to fill in the knowledge gap about the composting process. Firstly, a systematic screening search and a descriptive a...

Organizational water footprint: a methodological guidance

Forin, Silvia ; Mikosch, Natalia ; Berger, Markus ; Finkbeiner, Matthias (2019-08-28)

Purpose This paper proposes a practical methodological approach to assess the water footprint at the organizational level, in line with the current development of life-cycle based approaches toward the organizational scale on the one hand and footprint metrics on the other hand. This methodological development allows for organizational water footprint applications intended to inform management...

Organizational water footprint: method and application

Forin, Silvia (2021)

The availability and quality of water resources are increasingly endangered. Aware of the environmental and business risks related to water scarcity and pollution, organizational water users face three main challenge in protecting the water resources needed along their chain chains: measuring their water input and discharge quality and quantity, identifying their geographical location and the r...

Addressing water quality in water footprinting: current status, methods and limitations

Mikosch, Natalia ; Berger, Markus ; Finkbeiner, Matthias (2020-11-16)

Purpose: In contrast to water consumption, water pollution has gained less attention in water footprinting so far. Unlike water scarcity impact assessment, on which a consensus has recently been achieved, there is no agreement on how to address water quality deterioration in water footprinting. This paper provides an overview of existing water footprint methods to calculate impacts associated w...

Life Cycle Based Comparison of Textile Ecolabels

Diekel, Felice ; Mikosch, Natalia ; Bach, Vanessa ; Finkbeiner, Matthias (2021-02-06)

Environmental impacts of textile production increased over the last decades. This also led to an increasing demand for sustainable textiles and ecolabels, which intend to provide information on environmental aspects of textiles for the consumer. The goal of the paper is to assess selected labels with regard to their strengths and weaknesses, as well as their coverage of relevant environmental a...

Distance-to-target weighting in LCA—A matter of perspective

Muhl, Marco ; Berger, Markus ; Finkbeiner, Matthias (2020-11-19)

Purpose: Weighting can enable valuable support for decision-makers when interpreting life cycle assessment (LCA) results. Distance-to-target (DtT) weighting is based on the distance of policy (desired) targets to current environmental situations, and recent methodological DtT developments are based on a weighting perspective of a single region or country, considering mainly environmental situat...

Mineral resources in life cycle impact assessment: part II – recommendations on application-dependent use of existing methods and on future method development needs

Berger, Markus ; Sonderegger, Thomas ; Alvarenga, Rodrigo ; Bach, Vanessa ; Cimprich, Alexander ; Dewulf, Jo ; Frischknecht, Rolf ; Guinée, Jeroen ; Helbig, Christoph ; Huppertz, Tom ; Jolliet, Olivier ; Motoshita, Masaharu ; Northey, Stephen ; Peña, Claudia A. ; Rugani, Benedetto ; Sahnoune, Abdelhadi ; Schrijvers, Dieuwertje ; Schulze, Rita ; Sonnemann, Guido ; Valero, Alicia ; Weidema, Bo P. ; Young, Steven B. (2020-02-11)

Purpose: Assessing impacts of abiotic resource use has been a topic of persistent debate among life cycle impact assessment (LCIA) method developers and a source of confusion for life cycle assessment (LCA) practitioners considering the different interpretations of the safeguard subject for mineral resources and the resulting variety of LCIA methods to choose from. Based on the review and asses...

Water Lice and Other Macroinvertebrates in Drinking Water Pipes: Diversity, Abundance and Health Risk

Gunkel, Günter ; Michels, Ute ; Scheideler, Michael (2021-01-24)

Activities to ensure and maintain water quality in drinking water networks, including flushing, are presented after standardized hydrant sampling combined with a stainless-steel low pressure–high flow rate (NDHF) filter and a 100 µm mesh size was used to separate pipe inhabitants. A databank of more than 1000 hydrant samples in European lowland areas was developed and used to analyze the divers...

Impact of management measures on the biogas microbiome on the example of feedstock changes

Klang, Eva Johanna (2021)

Regarding the current political and social-economic situation, the biogas industry in Germany is standing at a crossroad as a transition to a residue-based biogas production is imminent. In future biogas plants, the microbial communities will often be exposed to varying process conditions while an overall stable process has to be ensured. Hence an understanding of how biogas microbiomes respons...

Comparison of Different Monetization Methods in LCA: A Review

Arendt, Rosalie ; Bachmann, Till M. ; Motoshita, Masaharu ; Bach, Vanessa ; Finkbeiner, Matthias (2020-12-15)

Different LCA methods based on monetization of environmental impacts are available. Therefore, relevant monetization methods, namely Ecovalue12, Stepwise2006, LIME3, Ecotax, EVR, EPS, the Environmental Prices Handbook, Trucost and the MMG-Method were compared quantitatively and qualitatively, yielding results for 18 impact categories. Monetary factors for the same impact category range mostly b...

Particle Size and Pre-Treatment Effects on Polystyrene Microplastic Settlement in Water: Implications for Environmental Behavior and Ecotoxicological Tests

Eitzen, Lars ; Ruhl, Aki Sebastian ; Jekel, Martin (2020-12-08)

Microplastic (MP) particle dispersions used in many recent publications covering adsorption or toxicological studies are not characterized very well. The size distribution of polydisperse dispersions is highly dependent on the agglomeration processes and influences experimental outcomes. Therefore, pre-treatment is a prerequisite for reproducibility. In this study, manual/automated shaking and ...

Hydrogen and hydrogen-derived fuels through methane decomposition of natural gas – GHG emissions and costs

Timmerberg, Sebastian ; Kaltschmitt, Martin ; Finkbeiner, Matthias (2020-05-04)

Hydrogen can be produced from the decomposition of methane (also called pyrolysis). Many studies assume that this process emits few greenhouse gas (GHG) because the reaction from methane to hydrogen yields only solid carbon and no CO2. This paper assesses the life-cycle GHG emissions and the levelized costs for hydrogen provision from methane decomposition in three configurations (plasma, molte...

Renewable electricity targets in selected MENA countries – Assessment of available resources, generation costs and GHG emissions

Timmerberg, Sebastian ; Sanna, Anas ; Kaltschmitt, Martin ; Finkbeiner, Matthias (2019-10-25)

MENA countries published national policy targets for the implementation of electricity from renewable energy (RE). These targets are important as they serve as framework for stakeholders in the energy sector like businesses and administration, while also showing governmental ambitions to the public. This paper investigates the impact on resources, generation cost and GHG emissions if the target...

Modelling, Analysis, and Optimization of the Effects of Pulsed Electrophoretic Deposition Parameters on TiO2 Films Properties Using Desirability Optimization Methodology

Barbana, Nesrine ; Ben Youssef, Adel ; Rezgui, Mohamed Ali ; Bousselmi, Latifa ; Al-Addous, Mohammad (2020-11-16)

Titanium dioxide thin films immobilized over treated stainless steel were prepared using the pulsed electrophoretic deposition technique. The effects of process parameters (deposition time, applied voltage, initial concentration, and duty cycle) on photocatalytic efficiency and adhesion properties were investigated. To optimize the multiple properties of the thin film, a response surface method...