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Vol 13, Issue 1, 2021
Pages: 244 - 253
Professional paper
Environment protection and sustainable development
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Published: 28.05.2021. Professional paper Environment protection and sustainable development

THE QUALITY OF THE PULP WASHING PRODUCED BY THE SULPHATE PROCESS IN THE CELLULOSE AND PAPER FACTORY "NATRON HAYAT", MAGLAJ

By
Azra Halilović ,
Azra Halilović
Contact Azra Halilović

University of Zenica , Zenica , Bosnia and Herzegovina

Ilhan Bušatlić ,
Ilhan Bušatlić

University of Zenica , Zenica , Bosnia and Herzegovina

Šefkija Botonjić ,
Šefkija Botonjić

University of Zenica , Zenica , Bosnia and Herzegovina

Amna Karić
Amna Karić

University of Zenica , Zenica , Bosnia and Herzegovina

Abstract

The process of the pulp washing is very important both economically and environmentally, since the quality of cellulose washing is directly related to the efficiency of chemical regeneration and the quality of the wastewater generated. The purpose of the cellulose fiber washing process is to economically remove the maximum of soluble organic and soluble inorganic substances with a minimum of fresh and recycled water. The filtrate formed during the washing of the pulp contains the lost che micals during the cooking process and is sent to the regeneration system where the necessary active alkalis are extracted for cooking the pulp and the residual organic matter is burned in an alkaline boiler to obtain the energy required. Poorly washed pulp will carry with it a considerable amount of active alkali, which will end up in the wastewater after the process of thickening the cellulose mass and separating the filtrate. The aim of this paper was to examine the influence of process parameters on the pulp washing quality and determine the quality of the pulp washing in the cellulose and paper factory, Natron Hayat, Maglaj 

References

1.
Halilović A. The influence of the pulp washing quality, produced by the sulphate process, on the quality of wastewater and efficiency of wastewater treatment devices. 2016.
2.
Production of cellulose fiber and paper, Literature from Natron-Hayat factory.
3.
Botonjić Š. Impact of recycled fiber intake in kraft liner paper production onphysico mechanical properties of paper as a limiting factor in the application of the final product,Doctoral dissertation. 2010.

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