Temat: procesy membranowe - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Reverse osmosis application in the recycling of zinc from the electroplating shop wastewater
Autorzy:: Porębski, T.
Tomzik, S.
Ratajczak, W.
Talma-Piwowar, M.
Koprowski, A.
Powiązania:: https://bibliotekanauki.pl/articles/779885.pdf
Data publikacji:: 2007
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: ścieki pogalwaniczne
odzysk cynku
procesy membranowe
osmoza odwrócona
galvanic wastewater
zinc recovery
membrane process
reverse osmosis
Opis:: The paper reveals the results of the research on the reverse osmosis recovery of zinc from galvanic electroplating. The pilot plant tests were performed in an electroplating shop. Raw washings were concentrated with a spiral wound 2.5x40" module with a composite polymeric membrane. The research tests have proved that the proposed RO process enables successful concentration of the non-ferrous metal in raw washings. The retentate of the RO process has contained about 96% of the metal previously wasted in washings discharged to the environment. The retentate can be recycled to the mother electroplating process. The permeate of the RO process can be recycled to the washing system of the electroplating shop.
Źródło:: Polish Journal of Chemical Technology; 2007, 9, 2; 90-93
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Removal of organic dye in the hybrid photocatalysis/membrane processes system
Autorzy:: Grzechulska-Damszel, J.
Morawski, A.W.
Powiązania:: https://bibliotekanauki.pl/articles/779880.pdf
Data publikacji:: 2007
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: dwutlenek tytanu
fotokataliza
procesy membranowe
barwniki organiczne
układy hybrydowe
titanium dioxide
photocatalysis
membrane processes
organic dyes
hybrid systems
Opis:: The removal of azo dye Acid Red 18 in hybrid photocatalysis/membrane processes systems was investigated. The photocatalytic reactions were conducted in the reactor with photocatalyst suspended in the solution. The reaction solution was recirculated through the ultrafiltration system. A commercially available titanium dioxide (AeroxideŽ P25, Degussa, Germany) was used as a photocatalyst. The solution after the photocatalytic/UF reaction was applied as the feed for the membrane distillation process. The changes of various parameters, including the concentration of the dye, pH and the conductivity of the solution, TOC and TDS content were analyzed during the process. It was found that azo dye Acid Red 18 could be successfully decolourised in the hybrid photocatalysis/UF system. The catalyst particles were retained in the feed solution by means of the ultrafiltration membrane so the obtained permeate was free of TiO2. The application of ultrafiltration together with the photocatalytic process results in the separation of photocatalyst from the treated solution but does not give the complete removal of organic matter from the reaction mixture. Membrane distillation applied with the permeate after the photocatalysis/UF process as a feed gives a complete separation of TOC from the treated solution and the obtained product is practically pure water.
Źródło:: Polish Journal of Chemical Technology; 2007, 9, 2; 94-98
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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