HEIWA PAPER CO. LTD started the new business at April, 2002, such the introduction of the treatment of industrial and municipal waters, sludge and rejects, from Italian O. M. C. Collareda Srl into Japan.
The main operating processes introduced at the present time, are three systems such as FLOATION, SETTLING-FLOATATION, FILTRATION. Each system has a special designedequipment, as follows,
1) FLOATATION system…DELTAFLOAT and TIGERFLOAT
2) SETTLING-FLOATATION system…SEDIDELTAFLOAT
3) FILTRATION system…GAMMAFILTER, OMEGAFILTER, DENSIDESC and SIGMA-FILTER.
are explained the structures and mechanics in detail in this paper.
The application sectors in this paper focus on the spcific and final treatments for paper board mill waste water.
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