Paper sludge is used as an alternative raw material by ceramic industries but it is also used in various other applications.
Ma n'otu oge ahụ, obere okooko osisi a na-arụ ọrụ dị ka isi iyi nke ihe ọkụkụ maka ọgwụgwọ ọdịnala, a na-ejikwa ya na mpaghara ndị ọzọ.