Density, strength, thermal conductivity and leachate characteristics of light-weight fired clay bricks incorporating cigarette butts

Abdul Kadir, A, Mohajerani, A, Roddick, F and Buckeridge, J 2009, 'Density, strength, thermal conductivity and leachate characteristics of light-weight fired clay bricks incorporating cigarette butts', Proceedings of the World Academy of Science, Engineering and Technology 2009, vol. 53, pp. 1035-1040.


Document type: Journal Article
Collection: Journal Articles

Title Density, strength, thermal conductivity and leachate characteristics of light-weight fired clay bricks incorporating cigarette butts
Author(s) Abdul Kadir, A
Mohajerani, A
Roddick, F
Buckeridge, J
Year 2009
Journal name Proceedings of the World Academy of Science, Engineering and Technology 2009
Volume number 53
Start page 1035
End page 1040
Total pages 5
Publisher World Academy of Science, Engineering and Technology (W A S E T)
Abstract Several trillion cigarettes produced worldwide annually lead to many thousands of kilograms of toxic waste. Cigarette butts (CBs) accumulate in the environment due to the poor biodegradability of the cellulose acetate filters. This paper presents some of the results from a continuing study on recycling CBs into fired clay bricks. Physico-mechanical properties of fired clay bricks manufactured with different percentages of CBs are reported and discussed. The results show that the density of fired bricks was reduced by up to 30 %, depending on the percentage of CBs incorporated into the raw materials. Similarly, the compressive strength of bricks tested decreased according to the percentage of CBs included in the mix. The thermal conductivity performance of bricks was improved by 51 and 58 % for 5 and 10 % CBs content respectively. Leaching tests were carried out to investigate the levels of possible leachates of heavy metals from the manufactured clay-CB bricks. The results revealed trace amounts of heavy metals.
Subject Construction Materials
Keyword(s) cigarette butts
fired clay bricks
light bricks
recycling waste
thermal conductivity
leachates
leaching test
Copyright notice WASET.ORG 2009
ISSN 2070-3740
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