Determination of mass balances and ionic balances in animal manure.

1 September 1990

journal article
Published by Wageningen University and Research in Netherlands Journal of Agricultural Science

Vol. 38 (3A) , 353-367
https://doi.org/10.18174/njas.v38i3a.16593

Abstract

Liquid and solid fractions of three different pig slurry samples and a poultry manure sample were isolated through high speed centrifugation followed by ultrafiltration. The gross ionic composition of the liquid manure fractions could be described by: K+, Na+, Ca2+, Mg2+, Cl-, bicarbonate, weakly acidic cations (ammonium) and weakly alkaline anions (acetate). Ionic balances showed an agreement of more than 98% between anionic ad cationic species. The elemental composition of a pig slurry solid fraction was determined. Mass calculations based on this analysis accounted for 98% of the total weight. (Abstract retrieved from CAB Abstracts by CABI’s permission)

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