Lightweight bricks manufactured from water treatment sludge and rice husks

Kung Yuh Chiang, Ping Huai Chou, Ching Rou Hua, Kuang Li Chien, Chris Cheeseman

Research output: Contribution to journalArticlepeer-review

169 Scopus citations

Abstract

Novel lightweight bricks have been produced by sintering mixes of dried water treatment sludge and rice husk. Samples containing up to 20 wt.% rice husk have been fired using a heating schedule that allowed effective organic burn-out. Rice husk addition increased the porosity of sintered samples and higher sintering temperatures increased compressive strengths. Materials containing 15 wt.% rice husk that were sintered at 1100 °C produced low bulk density and relatively high strength materials that were compliant with relevant Taiwan standards for use as lightweight bricks.

Original languageEnglish
Pages (from-to)76-82
Number of pages7
JournalJournal of Hazardous Materials
Volume171
Issue number1-3
DOIs
StatePublished - 15 Nov 2009

Keywords

  • Lightweight brick
  • Rice husk
  • Sintering
  • Water treatment sludge

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