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Environmentally friendly deinking process by enzymesSežun, Mija ; Lavrič, Gregor, 1994- ; Malalan, StašaOne of the most relevant challenges of recent years is a concern for the environment. Chemicals used for different industrial purposes have a big environmental impact. Various industries, including ... paper production, work on reducing their consumption. One of the alternative replacements for the chemicals used in the paper industry are environmentally friendly enzymes. In our study, different deinking processes using specific enzymes (cellulases, lipases and laccases) were compared with the one based on chemicals. We investigated which procedure was more efficient by determining the properties (basic, strength and optical) of the laboratory paper sheets after the treatments. By comparing chemical and enzymatic treatments, it could be concluded that enzymatic treatment improved the mechanical properties of laboratory sheets produced out of recovered paper printed mainly in offset printing. It was also remarked that enzymatic treatment by lipase provided the best results in terms of mechanical properties, while enzymatic treatment by laccase provided the worst results for most mechanical properties. The highest level of brightness was achieved in a sample treated with a mixture of cellulase and laccase. Our study confirms the fact that the use of enzymes in the paper industry enables to upgrade the chemical deinking process. Due to lower chemical consumption, the environmental impact may be reduced and costs lowered.Vir: Cellulose chemistry and technology. - ISSN 0576-9787 (Vol. 54, iss. 1/2, 2020, str. 83-87)Vrsta gradiva - članek, sestavni delLeto - 2020Jezik - angleškiCOBISS.SI-ID - 458176
Avtor
Sežun, Mija |
Lavrič, Gregor, 1994- |
Malalan, Staša
Teme
recovered paper |
deinking |
enzymes |
paper properties |
predelava papirja |
razkrajanje |
encimi |
lastnosti papirja
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Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Sežun, Mija | 30847 |
Lavrič, Gregor, 1994- | 39385 |
Malalan, Staša | ![]() |
Vir: Osebne bibliografije
in: SICRIS
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