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Chirangano Mangwandi Liu JiangTao Ahmad B. Albadarin Stephen J. Allen Gavin M. Walker 《Waste management (New York, N.Y.)》2013,33(1):33-42
This study investigates the production of organic fertilizer using Anaerobic Digestate (as a nutrient source) and limestone powder as the raw materials. A two-level factorial experimental design was used to determine the influence of process variables on the nutrient homogeneity within the granules. Increasing the liquid-to-solid ratio during granulation resulted in increased granule nutrient homogeneity. Increasing the processing time and the impeller speed were also found to increase the nutrient homogeneity. In terms of nutrients release into deionized water, the granules effectively released both potassium and phosphate into solution. 相似文献
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