Application Life Cycle Assessment to Diammonium Phosphate Production

Abstract

Diammonium Phosphate (DAP) is an important crop nutrient for plants and its use is increasing day by day with increase in population. Life cycle assessment (LCA) is an important tool in the evaluation of the environmental performance of the product/ system throughout the life cycle. In this paper, LCA has been used to evaluate the performance of the Diammonium Phosphate (DAP) fertilizer production. The system investigated includes DAP production process. The quantification of environmental emissions, material and energy usage are quantified and environmental effects are assessed. The impact categories most affected by the DAP production, are respiratory inorganics and terrestrial acid/nitrification. Interpretations have been made and recommendations are given for operational improvements in DAP production

Integrating dairy manure for enhanced resource recovery at a WRRF: Environmental life cycle and pilot‐scale analyses

“…Emissions from offset of electricity were estimated using Idaho Power's fuel source mixture (Idaho Power, 2018) and a study by Turconi et al (2013). The offset of mineral fertilizer was calculated based on production emissions for diammonium phosphate (DAP; (Manjare & Mohite, 2012)), with an NPK value of 18‐45‐0, similar to other studies (Foley et al, 2010; Sørensen et al, 2015). The use of biosolids and struvite in lieu of DAP assumed application on a P‐limiting basis.…”