00000nam 2200000zi 4500 9.889808 CaOODSP 20221107172412 m o d f cr bn||||||||| 200724e198809##oncd ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- En39-154/1988E-PDF Anaerobic treatment of kraft mill bleach plant wastewaters : progress report. Burlington, Ontario, Canada : Environment Canada, Wastewater Technology Centre, September, 1988. 1 online resource (1 volume (various pagings)) : graphs text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 28). "Between 1969 and 1980, expenditures by the Canadian pulp and paper industry for pollution abatement amounted to about C$ 661 million. As a result of these measures, in 1980, 72% of Canadian production was in compliance with federal regulations governing the discharge of BOD (biochemical oxygen demand) in liquid effluents. However, at the same time, only 25% of Canadian mills were in compliance with the federal toxicity requirement. There has been considerable change in the Canadian pulp and paper industry over the last one or two decades to improve the compliance status of Canadian mills"--Background, page 1. Wood-pulp Bleaching Environmental aspects Canada. Wood-pulp industry Waste disposal Canada. Pâte à papier Blanchiment Aspect de l'environnement Canada. Pâte à papier Industrie Déchets Élimination Canada. Wastewater Technology Centre (Canada), issuing body. PDF 2.07 MB https://publications.gc.ca/collections/collection_2020/eccc/en39/En39-154-1988-eng.pdf WTC-BIO-05-1988