Amanzi amdaka aveliswa yi-furfural ngawamanzi amdaka e-Complex organic, aqulethe i-cetic acid, i-furfural kunye ne-alcohols, i-aldehydes, i-ketones, i-esters, i-organic acids kunye neentlobo ezininzi zezinto eziphilayo, i-PH yi-2-3, i-concentration ephezulu kwi-COD, kwaye imbi kwi-biodegradability. .