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Industrial Waste Waters Re-use: Application of 3FM® High Speed Filtration and High Rate Softening as Pre-Treatment of Wastewaters from the High Water Consuming Pulp&Paper Sector

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Abstract:

Industrial waste waters re-use through the treatment of their wastewater to produce water qualities according to industrials own specifications can reduce significantly this impact. The European project AquaFit4Use aims at identifying the best new water technologies to reduce environmental impacts by advanced closure of the water cycle and produce water with the required quality (“fit-for-use”) for re-use in four industrial sectors (pulp & paper, chemistry, food and textile). New technologies are tested to increase recycling, remove particles, separate salts, minimize waste production in order to propose optimized treatment lines. The new high speed filtration 3FM® technology and Multiflo™ Softening were tested as pre-treatment of a membrane process in order to fine-tune the quality of the effluent produced by biological treatment with inlet specifications of a nanofiltration process. Case study of an industrial paper mill, which produces paper and board for containerboard and packaging from 100 % recycling fibbers, is reported.

Keywords: Industrial wastewater; filtration; pulp & paper; re-use; softening

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864711802765345

Publication date: January 1, 2011

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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