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  Leachable Boron from Fly Ash  
Diupload oleh : Januarti Jaya Ekaputri
Pengarang : Ekaputri, Januarti J.,
Tahun : 2011
Dipublikasikan di : Jurnal PURIFIKASI, July 2011. ISSN 1411-3465
Jenis Jurnal : Jurnal Terakreditasi
Eksternal Link : http://www.its.ac.id
Bidang Penelitian : Ecotoxicology of heavy metal
Abstrak : An experimentally observation was conducted to determine boron in fly ash with Inductively Coupled Plasma Spectrometry (ICPS). Sample of solution from fly ash mixed with distilled water was analyzed for pH, agitation time, boron concentration and temperature. It was revealed that fly ash released soluble boron rapidly about 25% - 30% from total boron content and desorption of boron ions occurred afterwards. After immersion in more than one day, sorption of boron by fly ash increased with increasing pH, up to 13. The equilibrium state transpires after fly ash contact with water. Aluminum borates may release soluble boron to the solution while alkalinity of fly ash is believed to lead particles on fly ash surface capture boron ions.
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