Inst. Technischen Umweltschutz

116 Items

Recent Submissions
Draft Genome Sequence of a Potential Nitrate-Dependent Fe(II)-Oxidizing Bacterium, Aquabacterium parvum B6

Zhang, Xiaoxin ; Ma, Fang ; Szewzyk, Ulrich (2016)

Aquabacterium parvum B6 is a potential nitrate-dependent Fe(II)-oxidizing bacterium. The genes related to its denitrifying mechanism and iron metabolisms were unknown. We present the draft genome of Aquabacterium parvum B6, which could provide further insight into the nitrate-dependent Fe(II)-oxidizing mechanism of strain B6.

Complete Genome Sequence of “Candidatus Viadribacter manganicus” Isolated from a German Floodplain Area

Braun, Burga ; Szewzyk, Ulrich (2016)

Iron- and manganese-depositing bacteria occur in many soils and all water systems, and their biogenic depositions of ochre in technical systems may cause severe clogging problems and monetary losses. “Candidatus Viadribacter manganicus” is a small coccoid, iron- and manganese-depositing bacterium isolated from the Lower Oder Valley National Park, Germany.

Draft Genome Sequence of Rheinheimera sp. Strain SA_1 Isolated from Iron Backwash Sludge in Germany

Schröder, Josephin ; Braun, Burga ; Liere, Karsten ; Szewzyk, Ulrich (2016)

Rheinheimera sp. strain SA_1 is an iron-depositing bacterium for which we report a draft genome sequence. Strain SA_1 was isolated from iron backwash sludge of a waterworks in Germany. The Illumina MiSeq technique was used to sequence the genome of the strain.

Draft Genome Sequence of Ideonella sp. Strain A 288, Isolated from an Iron-Precipitating Biofilm

Braun, Burga ; Künzel, Sven ; Szewzyk, Ulrich (2017)

Here, we report the draft genome sequence of the betaproteobacterium Ideonella sp. strain A_228. This isolate, obtained from a bog iron ore-containing floodplain area in Germany, provides valuable information about the genetic diversity of neutrophilic iron-depositing bacteria. The Illumina NextSeq technique was used to sequence the draft genome sequence of the strain.

Draft Genome Sequence of the Gram-Positive Neutrophilic Iron-Precipitating Kineosporia sp. Strain A_224

Braun, Burga ; Künzel, Sven ; Szewzyk, Ulrich (2017)

We report here the draft genome sequence of the neutrophilic iron-precipitating Kineosporia sp. strain A_224. Analysis of the predicted genes may improve our knowledge of its role in ochrous formations in natural and technical water systems. This is the first public genome sequence of a Kineosporia aurantiaca strain.

Draft Genome Sequence of Rheinheimera sp. F8, a Biofilm-Forming Strain Which Produces Large Amounts of Extracellular DNA

Schuster, Anna-Kathrin ; Szewzyk, Ulrich (2016)

Rheinheimera sp. strain F8 is a biofilm-forming gammaproteobacterium that has been found to produce large amounts of filamentous extracellular DNA. Here, we announce the de novo assembly of its genome. It is estimated to be 4,464,511 bp in length, with 3,970 protein-coding sequences and 92 RNA-coding sequences.

Evaluating Sustainable Development from a Child's Perspective - A Proposal of Sustainable Child Development Index (SCDI)

Chang, Ya-Ju ; Finkbeiner, Matthias (2016)

In Social Life Cycle Assessment (SLCA), the UNEP guideline proposes the five stakeholder groups to investigate the corresponding social issues from a whole-population perspective. Despite the relevance of children in inheriting and forming the society in the context of sustainable development, children are neglected as a relevant stakeholder group. To consider children's interests and influence...

Adapting Ergonomic Assessments to Social Life Cycle Assessment

Chang, Ya-Ju ; Nguyen, The Duy ; Finkbeiner, Matthias ; Krüger, Jörg (2016)

In Social Life Cycle Assessment (SLCA), the health and safety aspect of workers is usually evaluated by considering the numbers of injuries and accidents; however, the work related musculoskeletal disorders (MSDs), which dominate occupational diseases, are often neglected in SLCA since the effects do not occur immediately. Thus, the MSDs lead to increased working absences and compensation costs...

Greenhouse gases emissions in a semi-arid reservoir in Northeastern Brazil

Rodríguez Góngora, Maricela (2018)

Total emissions of the greenhouse gases (GHG) carbon dioxide (CO2) and methane (CH4) from the Itaparica, a semi-arid reservoir, were estimated about 2.3 × 105 ± 0.75 × 105 t C yr-1 or 1.33 × 106 ± 0.45 × 106 t CO2-eq yr-1. Diffusion across the water surface was the main pathway accounting for 96 % of total carbon emissions. Ebullition was limited to littoral areas. A slight accumulation of CO2,...

Invertebraten in Trinkwasserverteilungssystemen

Michels, Ute (2018)

The central theme of this dissertation is the presence of invertebrates in drinking water distribution systems. The presented analyses are based on investigations in various drinking water networks during the 2003-2015 period, primarily conducted as part of water management monitoring programs. Some data was collected in the framework of the "Development of a mobile sampling and measuring syste...

Characterization of the Cradle to Cradle Certified™ Products Program in the context of eco-labels and environmental declarations

Minkov, Nikolay ; Bach, Vanessa ; Finkbeiner, Matthias (2018-03-07)

(1) Background: The Cradle to Cradle Certified™ Products Program (C2C Certified for short) is a scheme for the certification of products that meet the criteria and principles of the Cradle to Cradle® design approach. The objective of this paper is to characterize C2C Certified as an instrument for external communication in the context of environmental labeling and declarations. (2) Method: An e...

Recycling Improves Soil Fertility Management in Smallholdings in Tanzania

Krause, Ariane ; Rotter, Vera Susanne (2018-02-26)

Residues from bioenergy and ecological sanitation (EcoSan) can be utilized to sustain soil fertility and productivity. With regard to certain cooking and sanitation technologies used in smallholder households (hh), we systematically analyzed how utilization of the respective potentials to recover residues for farming affects (i) soil nutrient balances, (ii) the potential for subsistence product...

Zum Verhalten ausgewählter Triazolfungizide in der Umwelt und unter technischen Bedingungen

Mülow-Stollin, Ulrike (2018)

In order to ensure acceptable crop yield the use of plant protection products is inevitable. Triazole fungicides are a class of pesticides often used against a variety of fungal diseases in plants. During application an involuntary introduction into soil and surface water is possible, as well as a subsequent leaching into groundwater. In these environmental compartments the fungicides are s...

Production of extracellular DNA (eDNA) of the γ-Proteobacterium Rheinheimera sp. F8 in biofilms

Schuster, Anna-Kathrin (2017)

Abstract F8 is a gram-negative γ-Proteobacterium, which belongs to the genus Rheinheimera. The strain has been isolated from the South Saskatchewan River in Canada (Böckelmann, 2002). It has been discovered in previous studies that F8 releases DNA into the extracellular space (Böckelmann et al., 2006; Böckelmann et al., 2007). The aim of this study was a more detailed analysis of the F8 extrace...

Provision of water by halite deliquescence for Nostoc commune biofilms under Mars relevant surface conditions

Jänchen, Jochen ; Feyh, Nina ; Szewzyk, Ulrich ; Vera, Jean-Pierre Paul de (2015)

Motivated by findings of new mineral related water sources for organisms under extremely dry conditions on Earth we studied in an interdisciplinary approach the water sorption behaviour of halite, soil component and terrestrial Nostoc commune biofilm under Mars relevant environmental conditions. Physicochemical methods served for the determination of water sorption equilibrium data and survival...

Potentials and Barriers for Tantalum Recovery from Waste Electric and Electronic Equipment

Ueberschaar, Maximilian ; Jalalpoor, Daniel Dariusch ; Korf, Nathalie ; Rotter, Vera Susanne (2017)

Circular economy approaches aim to close material cycles along the value chain. As such, the circular economy can be a long-term strategy to mitigate the risks of critical raw material (CRM) supply. Tantalum, with a current end-of-life recycling rate of less than 1%, has been intermittently discussed as critical. Even though the specificity of tantalum applications and high-mass fractions of ta...

Enabling the recycling of rare earth elements through product design and trend analyses of hard disk drives

Ueberschaar, Maximilian ; Rotter, Vera Susanne (2015)

Hard disk drives consist of a complex mix of various materials. While Aluminum, Copper and Steel are easy to separate, actual recycling processes dilute containing rare earth elements to non-recoverable grades in other material streams. To enable future recycling of these materials an in-depth analysis of hard disk drives from Desktop PCs and Notebooks was carried out. Furthermore, possible rec...

Challenges for critical raw material recovery from WEEE

Ueberschaar, Maximilian ; Otto, Sarah Julie ; Rotter, Vera Susanne (2017)

Gallium and gallium compounds are more frequently used in future oriented technologies such as photovoltaics, light diodes and semiconductor technology. In the long term the supply risk is estimated to be critical. Germany is one of the major primary gallium producer, recycler of gallium from new scrap and GaAs wafer producer. Therefore, new concepts for a resource saving handling of gallium an...

Assessment of element-specific recycling efficiency in WEEE pre-processing

Ueberschaar, Maximilian ; Geiping, Julia ; Zamzow, Malte ; Flamme, Sabine ; Rotter, Vera Susanne (2017)

Pre-processing is a crucial step to ensure the efficiency of subsequent processes and the quality of recyclates. The efficiency of pre-processing can be affected by high losses to undesignated output fractions. Standard batch tests usually provide mass balances and are a good proxy for bulk materials balances (iron/steel, aluminum, plastics). This article aims at harmonizing methodologies and ...

Assessing recycling strategies for critical raw materials in waste electrical and electronic equipment

Ueberschaar, Maximilian (2017)

The circular economy is a strategy for reducing risks that result from the criticality of commodities in our economic system. Therefore, anticipatory planning of recycling infrastructure must consider the historical and future use of metals as well as detailed product characterizations. For bulk materials like plastics, industrial base metals (IBMs) such as steel, aluminum, copper, and precious...