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Mrs. Yenifer González
Grupo de Ingeniería y Biotecnología Ambiental GIBA, Facultad de Ciencias Ambientales, Universidad de Concepción

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0 tratamiento de efluentes
0 Desinfección
0 aguas servidas
0 Ultravioleta
0 tratamiento terciario

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Review
Published: 18 August 2021 in Sustainability
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Kraft mill effluents are characterized by their content of suspended solids, organic matter and color due to the presence of lignin, lignin derivatives and tannins. Additionally, Kraft mill effluents contain adsorbable organic halogens and wood extractive compounds (resin acids, fatty acids, phytosterol) and show high conductivity due to the chemical compounds used in the digestion process of pulp. Currently, Kraft mills are operating under the concept of a linear economy and, therefore, their effluents are generating serious toxicity effects, detected in daphnia, fish and biosensors. These effluents are treated by activated sludge and moving bed biofilm systems that are unable to remove recalcitrant organic matter, color and biological activity (toxicity) from effluents. Moreover, under climate change, these environmental effects are being exacerbated and some mills have had to stop their operation when the flows of aquatic ecosystems are lower. The aim of this review is to discuss the treatment of Kraft pulp mill effluents and their impact regarding the current practices and future perspectives towards sustainability under climate change. Kraft pulp mill sustainability involves the closure of water circuits in order to recirculate water and reduce the environmental impact, as well as the implementation of advanced technology for these purposes.

ACS Style

Gladys Vidal; Yenifer González; Benjamín Piña; Mayra Jarpa; Gloria Gómez. Minimization of Environmental Impact of Kraft Pulp Mill Effluents: Current Practices and Future Perspectives towards Sustainability. Sustainability 2021, 13, 9288 .

AMA Style

Gladys Vidal, Yenifer González, Benjamín Piña, Mayra Jarpa, Gloria Gómez. Minimization of Environmental Impact of Kraft Pulp Mill Effluents: Current Practices and Future Perspectives towards Sustainability. Sustainability. 2021; 13 (16):9288.

Chicago/Turabian Style

Gladys Vidal; Yenifer González; Benjamín Piña; Mayra Jarpa; Gloria Gómez. 2021. "Minimization of Environmental Impact of Kraft Pulp Mill Effluents: Current Practices and Future Perspectives towards Sustainability." Sustainability 13, no. 16: 9288.