TY - BOOK ED - Water Environment Federation. ED - Water Environment Federation. TI - Activated sludge T2 - WEF manual of practice SN - 9781523102860 PY - 2002/// CY - Alexandria, VA PB - Water Environment Federation KW - Sewage KW - Purification KW - Activated sludge process KW - Handbooks, manuals, etc N1 - Includes bibliographical references and index UR - https://app.knovel.com/hotlink/toc/id:kpAS000041/activated-sludge-wef/activated-sludge-wef ER -