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      Use of papermaking sludge in the manufacture of bricks for the construction of non-structural walls Translated title: Uso del lodo Papel en la elaboración de mampuestos empleados en la construcción de muros no-estructurales

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          Abstract

          ABSTRACT The high levels of waste cellulose mud in paper production represent a severe environmental problem regarding its final disposal as a waste by-product. The accumulation of paper sludge and its possible recycling should be focused on its reuse in primary materials or those of continuous use that mitigate its environmental impact. This research was developed to characterize a clay material used in civilian construction with Eco-Efficient properties (hollow ceramic bricks), incorporating waste from paper factories (paper sludge or cellulose sludge) without affecting its mechanical response in comparison with traditional materials, but with the use and advantages of the utilization of residual materials. For this purpose, a physical-chemical characterization of the paper sludge was carried out, accompanied by a physical-mechanical characterization for the Non-structural block obtained with the inclusion of the sludge, in accord with dosages of 0%, 11.1%, 12.5%, 14.3% 16.7% and 20%. As a result, the organic and inorganic byproducts present in the paper waste byproducts were obtained, and the hollow ceramic bricks showed an increase in their mechanical compression capacity under considerable variations in coloration and size.

          Translated abstract

          RESUMEN Los elevados niveles de residuos en la producción papelera representan un severo problema ambiental en cuanto a su disposición final como subproducto de desecho. La acumulación de residuos celulósicos y su posible reciclaje debe enfocarse a su reutilización en materiales primarios o de uso continuo que mitiguen su impacto ambiental. Esta investigación fue desarrollada para caracterizar un material arcilloso utilizado en la construcción civil con propiedades Eco-Eficientes (ladrillos cerámicos huecos), incorporando residuos de fábricas de papel (lodos de papel o lodos de celulosa) sin afectar su respuesta mecánica en comparación con los materiales tradicionales, pero con el aprovechamiento y ventajas de la utilización de materiales residuales. Para ello, se realizó una caracterización físico-química de los lodos de papel, acompañada de una caracterización físico-mecánica para el Bloque No Estructural obtenido con la inclusión de los lodos, de acuerdo con dosificaciones del 0%, 11,1%, 12,5%, 14,3% 16,7% y 20%. En consecuencia, se obtuvieron los subproductos orgánicos e inorgánicos presentes en los subproductos de residuos de papel, y los ladrillos cerámicos huecos mostraron un incremento en su capacidad de compresión mecánica bajo variaciones considerables de coloración y tamaño.

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          Waste management from pulp and paper production in the European Union

          Eleven million tonnes of waste are produced yearly by the European pulp and paper industry, of which 70% originates from the production of deinked recycled paper. Wastes are very diverse in composition and consist of rejects, different types of sludges and ashes in mills having on-site incineration treatment. The production of pulp and paper from virgin pulp generates less waste but the waste has similar properties to waste from the production of deinked pulp, although with less inorganics. Due to legislation and increased taxes, landfills are quickly being eliminated as a final destination for wastes in Europe, and incineration with energy recovery is becoming the main waste recovery method. Other options such as pyrolysis, gasification, land spreading, composting and reuse as building material are being applied, although research is still needed for optimization of the processes. Due to the large volumes of waste generated, the high moisture content of the waste and the changing waste composition as a result of process conditions, recovery methods are usually expensive and their environmental impact is still uncertain. For this reason, it is necessary to continue research on different applications of wastes, while taking into account the environmental and economic factors of these waste treatments.
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            Hydrophobic concrete using waste paper sludge ash

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              Characterizing the paper industry sludge for environmentally-safe disposal

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                Author and article information

                Journal
                ingeniare
                Ingeniare. Revista chilena de ingeniería
                Ingeniare. Rev. chil. ing.
                Universidad de Tarapacá. (Arica, , Chile )
                0718-3305
                2023
                : 31
                : 25
                Affiliations
                [1] Bogotá Arauca orgnameUniversidad Nacional de Colombia orgdiv1Facultad de Ingeniería Civil Colombia ferneypena@ 123456usta.edu.co
                [2] Bogotá Arauca orgnameUniversidad Nacional de Colombia orgdiv1Facultad de Ingeniería Electrónica Colombia edwinforero@ 123456usantotomas.edu.co
                Article
                S0718-33052023000100225 S0718-3305(23)03100000225
                10.4067/s0718-33052023000100225
                25f2e9ba-fe06-42b5-9cf5-a00b8b6d2e1f

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 01 August 2023
                : 08 April 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 0
                Product

                SciELO Chile

                Categories
                ARTICLES

                dosificación,coloración,mecánica,físico-química,ladrillo no estructural,eco-eficiente,subproductos residuales,Lodos de papel,coloration,mechanical,physical-chemical,dosage,non-structural brick,eco-eficient,waste byproducts,Paper sludge

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