Table

Boron Concentrations in Fly Ashes

Country

Australia (Queensland,

N. South Wales,

S. Australia,

W. Australia, Victoria)

Australia (Queensland,

N. South Wales,

S. Australia)

Australia

Australia

Canada

Greece

Greece

Greece

India

Slovenia South Africa Spain UK UK

(Kentucky, Ohio, Virginia, W.Virginia) U.S. (Southeastern)

U.S. (Western) U.S. (Illinois) U.S. (Western) U.S. (Midwestern)

Coal type

Bituminous black or lignite brown

Bituminous

Lignite Lignite Lignite

Brown coal

Bituminous or lignite

© 2006 by Taylor & Francis Group, LLC

B concentration (mg kg-1) total

Fly ash (weathering / reaction) Water soluble Ref.

No/alkaline 1.1-41.6 9

Yes/alkaline 0.1-4.2

20-400 7

42 mg H 12

Yes/alkaline 2.8-3.1 13

No / alkaline 52 14

No 123 16 Yes 150

23-600 18

No 61-339 19

3-250 21

No 234-618 22, 23

234^115 24

Acid 22 25

Alkaline 50

No 870-1600 26

Alkaline 800 (mean) 27

Alkaline 675 (mean) 27

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