Anaerobic biodegradation of spent sulphite liquor in a UASB reactor.

  title={Anaerobic biodegradation of spent sulphite liquor in a UASB reactor.},
  author={Tor Gunnar Jantsch and Irini Angelidaki and Jens Ejbye Schmidt and B E Bra{\~n}a de Hvidsten and Birgitte Kiaer Ahring},
  journal={Bioresource technology},
  volume={84 1},
Anaerobic biodegradation of fermented spent sulphite liquor, SSL, which is produced during the manufacture of sulphite pulp, was investigated. SSL contains a high concentration of lignin products in addition to hemicellulose and has a very high COD load (173 g COD l(-1)). Batch experiments with diluted SSL and pretreated SSL indicated a potential of 12-22 l methane per litre SSL, which corresponds to 0.13-0.22 l methane (g VS)(-1) and COD removal of up to 37%. COD removal in a mesophilic upflow… CONTINUE READING