Characterization of quality recycled gypsum and plasterboard with maximized recycled content

IF 1.1 4区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
Ana Jiménez-Rivero, J. García-Navarro
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引用次数: 14

Abstract

The quality of secondary materials is imperative to promote a circular economy. In order to improve the way in which the quality of recycled gypsum is assessed, European guidelines on recycled gypsum (RG) quality criteria have been outlined in the framework of the Life+ Gypsum to Gypsum (GtoG) project. Such GtoG guidelines, along with the European Standard on gypsum plasterboard EN 520, provided the basis for this study. During the GtoG project, gypsum recycling and plasterboard manufacturing processes were monitored by testing the gypsum feedstock and the plasterboard produced. The aim of this paper is to discuss the results obtained on relevant parameters that characterize gypsum as a secondary raw material, as well as the resulting product. The minimum requirements were fulfilled by 56% of the RG samples and 86% of the plasterboard with increased RG.
具有最大回收含量的优质再生石膏和石膏板的特性
二次材料的质量对促进循环经济至关重要。为了改进对再生石膏质量的评估方式,在Life+石膏到石膏(GtoG)项目的框架中概述了再生石膏(RG)质量标准的欧洲指导方针。这样的GtoG指南,以及欧洲石膏板标准EN 520,为这项研究提供了基础。在GtoG项目中,通过测试石膏原料和生产的石膏板,监测石膏回收和石膏板生产过程。本文的目的是讨论所获得的有关参数的结果,表征石膏作为次要原料,以及最终产品。56%的RG样品和86%的RG增加的石膏板达到了最低要求。
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来源期刊
Materiales de Construccion
Materiales de Construccion 工程技术-材料科学:综合
CiteScore
3.20
自引率
9.50%
发文量
38
审稿时长
>12 weeks
期刊介绍: Materiales de Construcción is a quarterly, scientific Journal published in English, intended for researchers, plant technicians and other professionals engaged in the area of Construction, Materials Science and Technology. Scientific articles focus mainly on: - Physics and chemistry of the formation of cement and other binders. - Cement and concrete. Components (aggregate, admixtures, additions and similar). Behaviour and properties. - Durability and corrosion of other construction materials. - Restoration and conservation of the materials in heritage monuments. - Weathering and the deterioration of construction materials. - Use of industrial waste and by-products in construction. - Manufacture and properties of other construction materials, such as: gypsum/plaster, lime%2
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