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JAPAN TAPPI JOURNAL
Commercial bleached kraft pulps were treated by ozone. Changes in the total halogen and ethanol extractable organic halogen of these pulps as well as brightness, viscosity and the water retention value were investigated during the ozone treatment.The effects of the ozone treatment on the total halogen and ethanol extractable organic halogen of the waste paper were also studied using toner-printed copy paper. The ozone treatments of the chlorine-bleached pulps and the waste copy paper weredoi:10.2524/jtappij.55.506 fatcat:gtf4mokxbzgrfarnskvj3xiw3m