摘要 |
PCT No. PCT/SE96/00595 Sec. 371 Date Jan. 8, 1997 Sec. 102(e) Date Jan. 8, 1997 PCT Filed May 7, 1996 PCT Pub. No. WO96/35838 PCT Pub. Date Nov. 14, 1996A process for the production of paper by mixing an aqueous phase comprising white water with cellulose containing fibres, and optional fillers, in a mixing stage to form an aqueous suspension, draining the suspension in the presence of a drainage or retention aid to form a fibre containing sheet or web and white water, and recirculating at least part of the white water to the mixing stage, whereby at least part of the white water is subject to electrodialysis before the mixing stage. |