E-Dissertationen: Auflistung E-Dissertationen nach Autor "Clemens, Joachim"
Anzeige der Dokumente 1-19 von 19
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Acceptance Analysis of New Technology for Sustainable Water Management and Sanitation: A Case Study of Operating Farm Households in the Mekong Delta, Viet Nam
Wieneke, Florian (2005)Recent development in agricultural und industrial production leads to increasing pollution of the water sources in the Mekong Delta of Vietnam. According to the "Vietnam Environment Monitor 2003 - Water", no safe drinking ... -
Die Bedeutung des Carbonat-Puffersystems für die Stabilität des Gärprozesses landwirtschaftlicher Biogasanlagen
Hecht, Melanie (2009-03-30)Seit der Einführung des Erneuerbare-Energien-Gesetzes sind der Bau und Betrieb einer Biogasanlage durch den finanziellen Zugewinn für eine wachsende Zahl von Landwirten interessant geworden. Durch unzureichende Prozesskontrolle ... -
Compost and residues from biogas plant as potting substrates for salt-tolerant and salt-sensitive plants
Do, Thi Cam Van (2013-01-10)Compost and residues from biogas plant have been increasingly recognized as potting substrates in horticulture. To investigate the suitability of both materials to grow salt tolerant plants in 2010 a pot experiment was ... -
Effects of medium-chain fatty acids and ration type on in vitro ruminal methane production
Priambodo, Taufiq Wisnu (2015-02-26)Several studies <em>in vitro </em>and<em> in vivo</em> have pointed out the effectiveness of medium-chain fatty acids (MCFA) in suppressing ruminal methane production. Yet no study has elucidated the effect of MCFA type ... -
Eignung nährstoffreicher Substrate aus zentraler & dezentraler Abwasserbehandlung als Düngemittel
Simons, Jürgen (2008)<p>Abwasserrecycling sowie dezentrale Abwassersysteme gewinnen aufgrund zunehmender Ressourcenverknappung an Bedeutung. Durch die getrennte Erfassung von Urin besteht die Möglichkeit Urin als Dünger zu verwenden. In mehreren ... -
Energie- und Stoffumsetzung in Biogasanlagen: Ergebnisse messtechnischer Untersuchungen an landwirtschaftlichen Biogasanlagen im Rheinland
Besgen, Simone (2006)Die fehlende bzw. vornehmlich auf Labortests beruhende Datenlage zur Biogastechnologie war Ausgangspunkt für ein Pilotprojekt und die vorliegende Arbeit, in dem über eine Messperiode von zwei Jahren hinweg praxisrelevante ... -
Governing the Ethiopian Coffee Forests: A Local Level Institutional Analysis in Kaffa and Bale Mountains
Stellmacher, Till (2007)This work analyses institutional frameworks that determine the use, management and conservation of two afromontane rain forests, namely Koma Forest (Kaffa Zone, Southern Region) and Kankicho Forest (Bale Zone, Oromiya ... -
Greenhouse Gas Emissions from Composting and Anaerobic Digestion Plants
Nguyen Thanh, Phong (2012-10-16)Almost all biowaste collected in Germany is treated either by composting or by anaerobic digestion (AD). Both treatments result in greenhouse gas emissions. The main focus of the thesis was to quantify the contribution of ... -
Improvement of air quality in laying hens barn using different particle separation techniques
Mostafa, Ehab Abdel-Moniem Magdy Ahmed (2008)<p>Poultry production is increasingly regarded as a source of air pollutants which can be environmentally harmful. The air in animal housing contains gases, odours, dust and micro-organisms. These pollutants could directly ... -
Minderung der Methan-, Ammoniak- und Lachgasemissionen aus Schweinemastställen durch Flüssigmistbelüftung
Kresse, Anne Dorothea (2009-04-09)Ziel der Arbeit war es, ein Verfahren zu entwickeln, das durch Belüftung von Schweine-Flüssigmist (FM) die Ammoniak-, Lachgas- und Methanemissionen deutlich mindert. Eine Unterflurabsaugung sollte die Bedingungen für Mensch ... -
Monitoring of Endocrine Disruptors in Surface Waters of the Mekong Delta in Vietnam
Nguyen Thai, Hoa (2011-12-01)This study monitors estrogenic-Endocrine Disruptors (e-EDs) in surface waters in the Mekong Delta in Vietnam, one of the most populated agricultural areas in the world. e-ED is a subclass of Endocrine Disruptors (EDs), ... -
Nutrient recovery from human urine: Treatment options and reuse potential
Antonini, Samantha (2013-05-17)A “No Mix” sanitation system was installed in a dormitory at the University of CanTho in South Vietnam, with the objective of recycling nutrients from source separated wastewater. The “Yellow Water” treatment plant was ... -
Options for reuse of nutrients from waste water in the Mekong Delta, Vietnam
Arnold, Ute (2010-12-19)Different options for wastewater treatment in the Mekong Delta were studied to recycle nutrients efficiently for later use in agriculture. <br /> Due to an even distribution of nutrients between animal and human excrements ... -
Reduction of Gaseous Emissions from Slurry by the Application of Alkaline Additives
Holtkamp, Felix (2023-12-12)The agricultural sector is undergoing a profound transformation process to meet international and national regulations and laws. These are being enacted by policymakers to limit the sector's tremendous gaseous emissions ... -
Socio-environmental impacts of settlement growth under conditions of fostered infill development: a methodological framework for a multicriteria assessment
Schetke, Sophie (2010-09-07)The major objective of this study is to analyze socio-environmental conditions under which a sustainable and resource-preserving settlement development can be promoted and to assess respective impacts of greenfield and ... -
Untersuchungen zur Düngewirkung von Gärrückständen unter besonderer Berücksichtigung von NH3- und NO3--Verlusten
Brenner, Andrea (2009-05-13)Bei der Erzeugung von Biogas entsteht als stoffliches Endprodukt der Gärrückstand, der zur Nährstoffversorgung unterschiedlicher Kulturpflanzen eingesetzt werden kann. Die Vergärung sowie Art und Menge der beigemischten ... -
Verfahrenstechnische Bewertung mehrstufiger Abluftreinigungssysteme in der Mastschweinehaltung und deren Zertifizierbarkeit
Schier, Felix (2005)Ziel der Arbeit war es, die Leistungsfähigkeit einer mehrstufigen Abluftreinigungsanlage, im Rahmen einer Zertifizierungsmessung zu überprüfen und verfahrenstechnisch zu Bewerten. Die Messungen umfassten die Ammoniak- und ... -
Vermicomposting of Organic Solid Wastes as a Biological Treatment for Sanitation
Nguyễn, Phương-Nam (2012-09-11)More than 38 billion m<sup>3</sup> of organic solid wastes (OSW) are produced annually from human, livestock and crop activities worldwide. To achieve the Millennium Development Goal for sanitation (MDG7), several alternatives ... -
The YES assay as a tool to analyse endocrine disruptors in different matrices in Vietnam
Le, Thi Anh Hong (2012-11-16)Endocrine disrupting compounds (EDCs) or endocrine disruptors have been a global concern for many years due to their negative impact on wildlife and human health. The main sources of EDCs in the environment are humans and ...