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Environmental and geotechnical suitability of recycling waste materials from plasterboard manufacturing.
Waste Management & Research ( IF 3.9 ) Pub Date : 2019-10-30 , DOI: 10.1177/0734242x19881213
Monzur Alam Imteaz 1 , Arul Arulrajah 1 , Farshid Maghool 1
Affiliation  

This paper presents the geotechnical and environmental suitability of recycling gypsum-based waste material produced from plasterboard manufacturing. Most of the current plasterboard manufacturing industries are dumping these wastes to landfills. Among the major impediments to recycling such waste are environmental concerns around using such recycled material, as well as proper and suitable places to use it. To investigate these, such a waste from an Australian plasterboard manufacturing company was collected and a series of geotechnical properties were tested to evaluate the materials' suitability for any engineering construction. It was found that the tested gypsum-based plasterboard materials are suitable to use as road subgrade, pipe bedding and pipe backfill material. To ascertain the environmental safety of using such material in regards to manual handling as well as contaminants' leaching into the surrounding environment, materials were thoroughly tested for more than a hundred different contaminants. Tests were conducted to evaluate both the contaminants' concentrations in the sample as well as the leaching behaviour of those contaminants. It was found that concentrations of the tested contaminants were either below the individual detection limit or the safe limit defined by the local regulatory authority.

中文翻译:

从石膏板制造中回收废料的环境和岩土技术适应性。

本文介绍了石膏板制造过程中回收的石膏基废料的岩土和环境适应性。当前大多数石膏板制造行业都将这些废物倾倒到垃圾填埋场。回收此类废物的主要障碍之一是围绕使用此类回收材料的环境问题,以及使用该回收材料的适当地点。为了对此进行调查,从一家澳大利亚石膏板制造公司收集了此类废物,并对一系列岩土性能进行了测试,以评估该材料对任何工程构造的适用性。发现经测试的石膏基石膏板材料适合用作道路路基,管道垫层和管道回填材料。为了确定在手动处理以及污染物渗入周围环境方面使用此类材料的环境安全性,对材料进行了彻底的测试以检测一百多种不同的污染物。进行测试以评估样品中污染物的浓度以及这些污染物的浸出行为。发现被测污染物的浓度低于单个检测极限或当地监管机构规定的安全极限。样品中的浓度以及这些污染物的浸出行为。发现被测污染物的浓度低于单个检测极限或当地监管机构规定的安全极限。样品中的浓度以及这些污染物的浸出行为。发现被测污染物的浓度低于单个检测极限或当地监管机构规定的安全极限。
更新日期:2020-04-13
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