Characterization of quality recycled gypsum and plasterboard with maximized recycled content

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2017-10-19 DOI:10.3989/MC.2017.06016

Ana Jiménez-Rivero, J. García-Navarro

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.

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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。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.