id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-1652	Ayucitra, A.; Gunarto, C.; Kurniawan, V.; Hartono, S.B.	Preparation and Characterisation of Biosorbent from Local Robusta Spent Coffee Grounds for Heavy Metal Adsorption	2017	6	.pdf	application/pdf	2754	112	43	The analysis of bands and peaks with their corresponding surface functional groups for native, carbonised, and activated spent coffee grounds is presented in Table 1. Carbonisation and activation processes have altered the functional groups of spent coffee grounds.	cache/cet-1652.pdf	txt/cet-1652.txt