Bibliographical noteFunding Information:
The research in this paper was financially supported by Monash University. The authors are also grateful to Mr How Lim Sek (KUB-Berjaya Enviro Sdn. Bhd.) and Mr Zamri Abd Rahman (Worldwide Landfills Sdn. Bhd.) for their assistance in collecting leachate samples, as well as Ms Lim Liew Gin (Novozymes Malaysia Sdn. Bhd.) for providing the commercial enzyme products.