| Pulp and paper plant wastes valorisation in bituminous mixes. | |
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MedLine Citation:
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PMID: 19963364 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Nowadays, the increasing amount of wastes is a concerning reality and the environmental aspects has become a major priority. Following this worry, the purpose of this experimental study was to investigate the possibility of using pulp and paper inorganic wastes, named dregs and grits, in bituminous mixtures as aggregate replacement to reduce environmental effects of these wastes disposal. First, the wastes were chemically and physically characterized and also tested primarily taking into account the requirements for aggregates in bituminous mixtures. Then, formulations were prepared replacing aggregates with wastes in different amounts. The mechanical properties of these mixtures containing wastes were compared with reference samples based on standard methods. According to the results it was possible to verify that grits had a good performance and it might be directly tested industrially as an aggregate in road construction. On the other hand, dregs need to be treated before incorporation to guarantee stable mixes in terms of water sensitivity. |
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Authors:
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R Modolo; A Benta; V M Ferreira; L M Machado |
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Publication Detail:
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Type: Journal Article Date: 2009-12-05 |
Journal Detail:
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Title: Waste management (New York, N.Y.) Volume: 30 ISSN: 1879-2456 ISO Abbreviation: Waste Manag Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-02-15 Completed Date: 2010-06-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9884362 Medline TA: Waste Manag Country: United States |
Other Details:
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Languages: eng Pagination: 685-96 Citation Subset: IM |
Copyright Information:
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Copyright 2009 Elsevier Ltd. All rights reserved. |
Affiliation:
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University of Aveiro, Civil Engineering Department/CICECO, 3810-193 Aveiro, Portugal. regina.modolo@ua.pt |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Conservation of Natural Resources
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methods* Construction Materials Environmental Remediation / methods* Hydrocarbons / chemistry* Industrial Waste* Microscopy Paper* Particle Size Solubility Stress, Mechanical Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Hydrocarbons; 0/Industrial Waste; 8052-42-4/asphalt |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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