TY - RPRT TI - Ammonium removal from digested sludge liquors using ion exchange. AU - A Thornton AU - P Pearce AU - S A Parsons PY - 2006 DO - 10.1016/j.watres.2006.10.021 UR - https://pubmed.ncbi.nlm.nih.gov/17161445/ ID - 17161445 ER -