Sludge volume index (SVI)was evaluated as an additional test to verify the development of granules considering their effect on the settling ability of the sludge (APHA and AWWA, 1998).
Sludge volume index (SVI)was evaluated as an additional test toverify the development of granules considering their effect on thesettling ability of the sludge (APHA and AWWA, 1998).