Development of Nano Zeolite from Textile Sludge and Integrating with Poultry Manuer for Agricultural Application
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Date
2025-04
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Addis Ababa University
Abstract
The textile industry generates large volumes of sludge during wastewater treatment, containing useful minerals such as silica and alumina. These components make the sludge a raw material for synthesizing zeolite, a crystalline material widely used in environmental applications. This thesis presents an experimental approach to convert textile sludge into Nano-zeolite via alkaline activation followed by microwave synthesis. The sludge, produced Nano-zeolite and composite was characterized using analytical techniques including XRF for elemental composition, XRD for crystal structure, TGA to measure the weight change of sample as it is heated, FTIR for functional group analysis, BET to measure the specific surface area of the produced Nano- zeolite, and CEC of Nano-zeolite from textile sludge, an industrial waste stream, has been achieved using a statistically designed approach. Under the optimized conditions (10 mL/g NaOH, 120°C, and 90 minutes Irradiation time), as high as 72.67% yield of a high-surface-area material (472 m²/g) could be obtained with FTIR-confirmed aluminosilicate framework vibrations characteristic of Na-X zeolite, crystalline structure XRD of the synthesized material The diffraction peaks were observed at approximately 10.1°, 15.6°, 22.8°, 26.7°, and 31.3° (2θ). These peaks are similar to the characteristic peaks of Nano zeolite X, and the CEC value of the Nano-zeolite is 115cmol+/kg. The Nano zeolite was blended with composted poultry manure at 5%, 10%, and 15% (w/w); all composites were homogenized. The nutrient analysis results show that phosphorus and potassium increased with zeolite content, reaching 60.3 ppm P and 0.84 ppm K and N is as it is 0.31 in the 10% and 15% blends. This enhancement is attributed to the zeolite’s high CEC, which retains and stabilizes cations released from manure.
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Cation exchange capacity, Composite preparation, Microwave synthesis, Poultry manure, Textile sludge