PRODUCTION OF SLOW ACTING SILICATE FERTILIZER

PURPOSE:To obtain slow acting silicate fertilizer free from aluminum harmful to vegetation by blending dolomite, potassium compd. and, if necessary, iron oxide, with chaff or chaff ashes and furthermore adding a liquid binder and kneading, granulating and drying this mixture and thereafter calcining...

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Bibliographische Detailangaben
Hauptverfasser:	NODA YOSHIO, ISHIBASHI KAZUJI, HARAGUCHI KENSAKU, YAMADA KATSUTOSHI, OGATA TOSHIO, NAKAGAWA KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain slow acting silicate fertilizer free from aluminum harmful to vegetation by blending dolomite, potassium compd. and, if necessary, iron oxide, with chaff or chaff ashes and furthermore adding a liquid binder and kneading, granulating and drying this mixture and thereafter calcining it. CONSTITUTION:Chaff free from aluminum or chaff ashes is utilized as a silicate raw material and dolomite, potassium compd. and iron oxide in accordance with necessary are to the silicate raw material and furthermore a liquid binder is added. This mixture is kneaded, granulated, dried and thereafter calcined in a fluidization roaster and thereby silicate component in chaff or chaff ashes, calcium component and magnesium component contained in dolomite, potassium compd. and iron oxide added in accordance with necessity are allowed to react with each other. As potassium compd., potassium carbonate and potassium hydroxide, etc., are utilized. As the liquid binder, the aq. soln. of a water-soluble high polymer such as starch, PVA and sodium alginate besides blackstrap molasses is utilized.