Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 51 for “"Agricultural Waste"”.
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Removal of selected heavy metals from wastewater using modified agricultural waste
Submitted in fulfilment of the requirements of the degree of Master of Applied Science in Chemistry, Durban University of Technology, Durban, South Africa, 2023.
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Sustainably Generating Value-Added Products Using Food-Grade Fungi & Agricultural Waste
… and for some varieties their cultivation on agricultural waste has been well-documented. This presents an opportunity to farmers in Georgia, as the specialty mushroom industry is a rapidly growing segment of the American agricultural market, but diversity in domestically cultivated species is …
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The Effects of Agricultural Waste-Based Compost Amendments in Organic Pest Management
… based compost, dairy manure compost, and plant waste compost. Abundance of the fungal pathogen <em>Verticillium dahliae</em> was assessed from composite soil samples collected at several time points throughout the growing season. Olive, grape, and plant waste composts all displayed significant …
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PROTEIN HYDROLYSATES FROM AGRICULTURAL WASTE BIOMASS: ENZYMATIC PREPARATION, BIOLOGICAL ACTIVITIES AND TECHNO-FUNCTIONAL PROPERTIES
… little attention so far. Protein-rich biomass waste is currently abundantly available from the agro-industry and the production of biofuels. Valorization of these protein-rich wastes consists of the extraction of proteins from biomass, followed by their hydrolysis. Protein hydrolysis, i.e. the …
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Agricultural Waste Utilization: Life Cycle Assessment for Selecting Carbon-Management Best Practices on a Global Scale
Crop residues are a widely available form of agricultural waste with several possible reuse applications, including use as biofertilizers, animal feed, biofuels, and for carbon sequestration. However, in many parts of the world, large quantities of these residues are still burned in the field, …
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Design of a mobile torrefaction reactor for in-situ conversion of agricultural waste to solid biofuel
Significant volumes of biomass waste are generated each year as a result of agricultural practices in India. Despite the negative environmental impacts, in-situ incineration of crop residues is common practice for disposal of this waste. Transportation of raw biomass accounts for a significant …
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Improvement of kiln design and combustion/carbonization timing to produce charcoal from agricultural waste in Developing countries
… for making charcoal briquettes from local agricultural waste products, or biomass. The process involves the combustion and carbonization of biomass at sustained high temperature in an air-tight metal barrel kiln to produce char. The char produced from Haiti's main agricultural waste …
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Development of a collaborative innovation management framework to assist in the utilisation of agricultural waste as building materials in Nigeria
… is a recent interest in the transformation of waste materials into raw materials required for producing building materials, however the focus in this regard has been on general household waste materials with little or no attention paid to agricultural waste materials. Indeed, agricultural waste …
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Design of silica-based sustainable biomaterial adsorbents from agricultural waste for the microextraction and adsorptive removal of insecticides and antibiotics from wastewater samples
… a circular economy framework by transforming agricultural wastes such as palm fronds, corncobs, and sugarcane bagasse into silica-based magnetic nanocomposites (Fe3O4@SiO2), thereby converting low-value biomass into functional adsorbents while reducing waste disposal burdens. Guided by green …
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Structural performance of precast self-compacting concrete beam consisiting banana skin powder and coir fibre under flexural load
… pollution is become serious problem. Agricultural products generate waste in huge amount, which creates the disposal and environmental problems such as leachate and odour smell. An initiative is needed to reduce these wastes and utilize the agricultural waste as a construction material …
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TGA-MS studies of the pyrolysis of corn stover for charcoal production
… a simple technique for making charcoal from agricultural waste. In this work, Themogravimetric analysis combined with online mass spectrometry (TGA-MS) was used to study the pyrolysis of corn agricultural waste with the aim of improving understanding of the carbonization process. …
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Evaluating Regional Agricultural Wastes as Substrates for the Mycelial Growth and Fruiting Body Yield of Pleurotus ostreatus
… ability to colonize a variety of lignocellulosic agricultural wastes. The ability of <em>P. ostreatus</em> to utilize these types of wastes as growth substrates suggests a potential for this organism to convert agricultural waste streams into locally productive and regenerative systems. …
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The feasibility of commercial utilization of cotton fabric and cotton conversion products for synthetic lumber
… elimination and profitable utilization of the waste products of manufacture and agriculture. One of the outstanding developments has been an industry that utilizes agricultural waste products to produce synthetic lumber. Such materials as cornstalks (1), bagasse (2), wheat straw (3), wood (4), …
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Design of a crushing and agglomeration process for manufacturing bagasse charcoal
… from a different source other than wood, such as agricultural waste, might provide Haitians with an alternative, more sustainable fuel, which in turn may reduce fuel prices. MIT students have developed various methods for producing charcoal out of simple inexpensive devices. In a current …
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Characterization of Biogas from Anaerobically Digested Dairy Waste for Energy Use
… New York is faced with the critical issue of agricultural waste management. The environmental impacts and high long-term costs of poor waste disposal have pushed the industry to realize the potential of turning this problem into an economic and sustainable initiative. The anaerobic digestion …
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Field emission measurements of solid fuel stoves in Yunnan, China
… Fuel mixtures included coal, woody biomass, and agricultural waste. Compared to previously published emission measurements of similar stoves, these measurements have higher CO and PM2.5 emission factors. Real-time data show two distinct burn phases: a devolatilization phase after fuel addition …
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Approach to Arsenic and Selenium Removal from Fly Ash by Oxalate and Estimation of Calcium Effects on Both Elements
… to extract arsenic and selenium; use of common agricultural waste as a source of oxalate anion to remove arsenic and selenium from fly ash and estimation of additional calcium effects on arsenic and selenium leaching behaviors. <br /> This research shows that extraction strength order is EDTA > …
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Converting sugarcane waste into charcoal for Haiti
… an oil drum kiln to convert readily available agricultural waste from sugarcane, known as bagasse, into clean burning charcoal briquettes. In order to improve the efficiency of the existing oil drum kiln, this research will explore the design of a brick kiln that is relevant for the social …
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Experiments in service learning
… alternative form of charcoal made from sugarcane agricultural waste is discussed, including product and process characterization and improvement. The motivation for the project is to establish an alternative cooking fuel that is less detrimental than existing options based on three criteria: …
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Peripheral timber applications for waste wood material in extreme climates and earthquake risk regions
… residential, commercial, institutional, and agricultural waste flows (Elgizawy, El-Haggar, and Nassar 2016). Hong Kong sends over 200 tons of timber waste from old formwork and scaffolding to the landfill per day (Wang et al. 2016). After fulfilling their assumed raison d'etre, the …
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