Life cycle assessment of defluoridation of water using laterite soil based adsorbents
| Autor: | Prasenjit Mondal, Vineet Kumar Rathore |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Life cycle impact assessment
Renewable Energy Sustainability and the Environment 020209 energy Strategy and Management Environmental engineering 02 engineering and technology 010501 environmental sciences engineering.material Raw material 01 natural sciences Industrial and Manufacturing Engineering Cradle to grave chemistry.chemical_compound Adsorption chemistry Fluoride adsorption 0202 electrical engineering electronic engineering information engineering Laterite engineering Environmental science Fluoride Life-cycle assessment 0105 earth and related environmental sciences General Environmental Science |
| Zdroj: | Journal of Cleaner Production. 180:716-727 |
| ISSN: | 0959-6526 |
| DOI: | 10.1016/j.jclepro.2018.01.176 |
| Popis: | The present study deals with the life cycle assessment (LCA) of defluoridation of water using thermally treated laterite (TTL), acid treated laterite (ATL) and acid-base treated laterite (ABTL). The scope of LCA study consists of cradle to grave approach (i.e., from the acquisition of raw materials to the management of spent adsorbent). Environmental impacts associated with the defluoridation process are interpreted with the help of CML 2001 and TRACI methods using GaBi 6.0 software. All calculations are based on the amount of adsorbent required to reduce fluoride concentration from 10 mg/L to 1.5 mg/L of 720 L water. The results from life cycle impact assessment reveal that the overall impacts are highest for TTL followed by ABTL and ATL. The fluoride adsorption capacity of adsorbents is found as the key factor influencing environmental impacts. Further, through sensitivity analysis, loading capacity of the vehicle and the distance between the mining and the processing site are found to play important role in environmental degradation, which can be reduced by selecting a vehicle with lower loading capacity due to its higher fuel economy. |
| Databáze: | OpenAIRE |
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