id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-14467		cet-14467		6	.pdf	application/pdf	3512	162	42	Another approach involves hydrothermal carbonization (HTC) and the production of hydrochar (HY), with the combined AD+HTC process aiming to reduce sludge production and enhance biogas production (Ferrentino, Merzari, Fiori, & Andreottola, 2020). The solid HTC by-product seems to be a good accelerator of methane production.	cache/cet-14467.pdf	txt/cet-14467.txt