Wszystkie pola: paper, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Optimization of chemical aids in the process of deinking sludge thickening
Autorzy:: Czechowski, J.
Olejnik, K.
Powiązania:: https://bibliotekanauki.pl/articles/778705.pdf
Data publikacji:: 2007
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: papier
makulatura
środki retencyjne
odpady
osad
recykling
paper
recovered paper
retention agents
waste
sludge
recycling
Opis:: The authors have analyzed a modern technological line of the latest chemicals for the recovered paper processing and de-inking in terms of reducing the amount of wastes arising during the production. The authors have also investigated the effectiveness of selected chemical aids (coagulants and flocculants) supporting the process of sludge dewatering. 12 different types of flocculants were tested. The best chemical agent was selected as well as its optimal dosage. The highest dynamics of sludge dewatering improvement (expressed by the dewatering time under standard conditions) was observed with the ECR3 agent dosage of 6 - 6.5 kg per tonne of the absolutely dry sludge. Long-term analyses of the tested line have proved that the retention aid and its dosage were selected correctly.
Źródło:: Polish Journal of Chemical Technology; 2007, 9, 4; 121-123
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:: COD reduction studies of paper mill effluent using a batch recirculation electrochemical method
Autorzy:: Kannadasan, T.
Sivakumar, V.
Ahmed Basha, C.
Parwate, A. V.
Senthilkumar, K.
Kannan, K.
Powiązania:: https://bibliotekanauki.pl/articles/778894.pdf
Data publikacji:: 2011
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: oczyszczalnia ścieków
czas przebywania dystrybucji
reaktor elektrochemiczny
ścieki celulozowo-papiernicze
effluent treatment
residence time distributions
electrochemical reactor
Pulp and Paper mill effluent
Opis:: The conventional method of treating pulp and paper mill effluent involves the biological oxidation by bacterial action of aerobic and anaerobic conditions and aerobic lagooning method, which are less efficiency of removing COD. To overcome the drawbacks of the existing treatment process, in the present work an attempt has been made to study the electro oxidative destruction of the pulp and paper mill effluent using an electrochemical method and the effect of various parameters such as concentration of supporting electrolytes, current densities, flow rates of electrolyte and reservoir volumes of the effluent were conducted. From the experimental results it is observed that the rate of reduction of COD of the effluent increased with an increase in the supporting electrolyte (sodium chloride) concentration, current density where as it decreased with increase in the reservoir volume and the flow rate of electrolyte. The residence time distributions studies have also been conducted to study the behavior of the electrochemical reactor.
Źródło:: Polish Journal of Chemical Technology; 2011, 13, 3; 37-41
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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