Standard Bleaching Sequences Including an Ozone Stage – Part I, Paper360º March/April 2016
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Ozone bleaching began on an industrial scale in 1992 and today is implemented by leading pulp and paper companies on six continents (excluding Antarctica, of course). It is used in ECF bleaching (then called Light-ECF or Z-ECF) and TCF bleaching on kraft and sulfite pulps, hardwood and soft-wood pulps, and for all sorts of end products in 23 mills worldwide operating 25 bleach plants. Over the last three years of economic crisis, three new ozone bleaching sequences were started; we expect that pace to accelerate in coming years due to continuous improvement of both ozone production and ozone mixing technologies.
Standard Bleaching Sequences Including an Ozone Stage – Part I, Paper360º March/April 2016