id	keyword
fens-173	food
fens-173	erythrosine
fens-173	dye
fens-173	removal
fens-173	journal
fens-173	dyes
fens-173	environment
fens-173	processes
fens-173	safety
fens-173	volume
fens-173	issue
fens-173	xii
fens-173	sorption
fens-173	xanthene
fens-173	engineering
fens-173	degradation
fens-173	solution
fens-173	red