Naslov
Westewater Treatment After Improved Scourings of Raw Wool

Autori
Došen-Šver, Dubravka ; Pernar, Elvia ; Bujević, Ivana

Izvornik
Kemija u industriji : časopis kemičara i tehnologa Hrvatske (0022-9830) 56 (2007), 11; 575-581

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Wool scouring ; Wastewater ; Complexing agents ; Enzymes ; EDTA

Sažetak
Textile industry processes need high amounts of water treatment of textiles. Therefore high amountss of wastewater also appear contaning differentin organic and organic substtances depending on the used materials and processes. Raw wool is contaminated with wool wax, suint, skin flakes, dirt, sand, vegetable matter, urine and various microorganisms. The methods for raw wool scouring and cleaning today often in use are: scouring in the suint, scouring with soaps ortensile in alkaline, extraction by organic solvents and freezing. The different methods for waste-water purification after scouring in use are ; setting/floculation, biological treatment, adsorption and catalytic oxidation. In this work, Wastewater treatments after improved raw wool, scourig with enzymes and EDTA have been investigated.Isotermal adsorption on zeolite A, active carbon and a n atural and H+ type of bentonite for removal of the obtained wastewater impurites was used. The results were determined by means of different physical-chemical test metods.

Izvorni jezik
Engleski

Znanstvena područja
Tekstilna tehnologija

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