Pilot scale UF and RO studies on water reuse in corrugated board industry

F. Yalcin*, I. Koyuncu, I. Oztürk, D. Topacik

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19 Atıf (Scopus)


The coloured effluents from pulp and paper mill industry are treated anaerobically and/or aerobically by a two stage membrane system with high efficiency. Three different types of membranes (UF and RO (BW and SW)) were used in the experiments. Surface area of each membrane was 2 m2. The combination of ultrafiltration (UF) and reverse osmosis (RO) treatment achieve a very high removals of COD (98-99%), colour and conductivity. At the end of a single pass with RO using seawater (SW) membrane, the initial COD, colour and conductivity values were reduced to 10-20 mg/l, 0-100 Pt-Co units and 200-300 μs/cm, respectively. The influent, UF permeate, RO permeates for brackish water (BW) and seawater (SW) membranes were 6000-6700 μs/cm 5500-5900 μs/cm, 1000-1500 μs/cm and 200-300 μs/cm respectively. Excellent conductivity rejections were obtained in the UF and RO membrane systems. Almost complete colour removals were achieved in the RO experiments with SW membranes. RO studies with BW membranes were also performed with the same permeate from the first stage UF study. The observed flux has declined with time and membranes were cleaned periodically to maintain a constant flux. Applying this advanced membrane treatment technology, it is clear that about 60 percent of the process water can be recycled in the investigated industry.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)303-310
Sayfa sayısı8
DergiWater Science and Technology
Basın numarası4-5
Yayın durumuYayınlandı - 1999
EtkinlikProceedings of the 1998 6th International Conference on Advanced Wastewater Treatment, Recycling and Reuse - Milan, Italy
Süre: 14 Eyl 199816 Eyl 1998

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