Applicability and costs of nanofiltration in combination with photocatalysis for the treatment of dye house effluents

• Wolfgang M. Samhaber and
• Minh Tan Nguyen

Beilstein J. Nanotechnol. 2014, 5, 476–484, doi:10.3762/bjnano.5.55

• , while photocatalysis acts as a polishing step. Photocatalysis combined with a submerged UF separation and a down-stream NF and RO treatment. Specific equipment cost (SEC) per m2 of membrane area. Total specific treatment costs of dye industry effluent versus the operating time in d/a with a mean MRC

• industry effluent; environmental; membrane; nanofiltration; photocatalysis; UV; Introduction Textile processing comprises different operations such as pre-treatment, dyeing, washing of garments, printing and finishing and produces a large amount of polluted effluent. For processing one ton of textile, 230

• usefully adjusted and designed plants range from 1 to 6 US$/m3 treated effluent. Combination concepts will have a good precondition for further development and upscaling, if the NF costs discussed here in detail will be, together with the costs of photocatalysis, economically acceptable. Keywords: dye