id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-15332		cet-15332		6	.pdf	application/pdf	3705	157	34	In contrast to the HY-1 and HY-4 dosages, the dosages of 2 g and 5 g of hydrochar added to sewage sludge showed negative results as methane production compared to the control reactor. Figure 1: Cumulative methane production from AD of sewage sludge and hydrochar under mesophilic conditions 490 The increment of methane production when a certain amount of hydrochar was added, like for the HY-4 condition (which means 8 g added to the sludge), can be due to several mechanisms that occurred during the process.	cache/cet-15332.pdf	txt/cet-15332.txt