id	keyword
brj-22488	et al
brj-22488	series
brj-22488	sludge
brj-22488	digestate
brj-22488	cod
brj-22488	liquid
brj-22488	carbon
brj-22488	community
brj-22488	treatment
brj-22488	doi
brj-22488	article
brj-22488	wastewater
brj-22488	source
brj-22488	ratio
brj-22488	bacteria