Phosphorus Recovery and Bioavailability from Chemical Extraction of Municipal Wastewater Treatment’s Waste Activated Sludge: A Case of Bangkok Metropolis, Thailand

• Main Authors: Kay Thi Khaing, Chongchin Polprasert, Suwisa Mahasandana, Wanida Pimpeach, Withida Patthanaissaranukool, Supawadee Polprasert
• Other Authors: Mahidol University
• Format: Article
• Published: 2022
• Subjects: Environmental Science
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/73957

This study evaluated the extractability and bioavailability of Phosphorus (P) recovered from waste activated sludge (WAS) so as to reduce dependence on the import of non-renewable P resources. P extraction was carried out using sulfuric acid (H2SO4). A response surface methodology was used to optimi...