Liquid organic peat fertilizer and process of preparing same
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United States of America Patent
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Apr 23, 1991
Grant Date -
N/A
app pub date -
Dec 1, 1987
filing date -
Apr 30, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A novel process has been provided for the preparation of both a liquid peat extract substantially-free from biologically-undesirable concentrations of metal elements and compounds, and a solid peat residue substantially-free from biologically-undesirable concentration of metal elements and compounds. The process includes the first step of having specifically-recited physical and chemical properties, to a relatively mild acid hydrolyzation reaction under sterile controlled conditions at superatmospheric pressure at a temperature above the boiling point of water to a maximum elevated temperature of about 130.degree. C. for a time of from about 1 to about 2 hours in an inert container to provide a reacted medium comprising an aqueous liquid peat extract phase and a solid hydrolyzed peat phase dispersed therethrough. The pH of the reaction medium is then adjusted to near neutral. The neutralized reaction medium is removed from the inert container and is pressed and filtered in inert equipment. Both the liquid peat extract and the solid hydrolyzed peat residues are recovered. The liquid medium provides a peat extract which is substantially-free from biologically-undesirable concentrations of metal elements and compounds.
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