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    • 18. 发明申请
    • FERTILIZER COMPOSITIONS INCLUDING CHELATED METAL IONS
    • 肥料组合物,包括金属离子
    • WO1998021166A1
    • 1998-05-22
    • PCT/US1997021180
    • 1997-11-13
    • STOLLER ENTERPRISES, INC.
    • STOLLER ENTERPRISES, INC.DEAN, Frank, W.
    • C05C11/00
    • C05G3/0064Y10S71/02
    • The present invention is directed to fertilizer additives and compositions, and to methods for their preparation and administration to plants. The fertilizer additives include chelated metal ions of the transition and alkaline earth metals. The chelated metal solutions are prepared by complexing metal cations using an organic acid and an organic amine. The fertilizer additives include a sufficient quantity of amine to maintain the pH above about 7.5 and preferably about 8-11. While the source of the metal ions may be any biologically acceptable metal salt, the metal oxides are preferred. The preferred chelating agents are citric acid and a difunctional amine. The preferred amines are 2-hydroxyethylamine, dimethylaminopropylamine and mixtures thereof. Additive solutions containing such chelated metals are stable at alkaline pH and are used to prepare clear, liquid fertilizer compositions for delivery of trace metals to plants.
    • 本发明涉及肥料添加剂和组合物,以及其制备和施用于植物的方法。 肥料添加剂包括过渡金属和碱土金属的螯合金属离子。 螯合金属溶液通过使用有机酸和有机胺络合金属阳离子来制备。 肥料添加剂包括足够量的胺以保持pH高于约7.5,优选约8-11。 虽然金属离子的来源可以是任何生物学上可接受的金属盐,但金属氧化物是优选的。 优选的螯合剂是柠檬酸和双官能胺。 优选的胺是2-羟乙基胺,二甲基氨基丙胺及其混合物。 含有这种螯合金属的添加剂溶液在碱性pH下是稳定的,并且用于制备用于将痕量金属递送到植物的透明的液体肥料组合物。
    • 19. 发明申请
    • METHOD AND INSTALLATION FOR DEPHOSPHORIZING PIG MANURE
    • 去磷化粪便的方法和安装
    • WO1996009269A2
    • 1996-03-28
    • PCT/NL1995000308
    • 1995-09-14
    • KRUIDHOF, Hendrik
    • C05F00/00
    • C05F3/00Y02A40/205Y02P20/145Y10S71/02C05F3/06
    • The invention relates to a method for dephosphorizing manure, in particular pig manure, comprising causing phosphate to dissolve, which phosphate is present at least partially in the form of phytate in the manure, separating the manure into a solid and a liquid fraction and removing the phosphate from the liquid fraction of the manure. Causing phosphate to dissolve can be achieved in different ways, for instance by storing the manure for a predetermined period of time under conditioned circumstances, or by sustaining a continuous movement of the manure at a temperature of at least 15 DEG C, preferably between 20 and 40 DEG C, to allow free escape therefrom of formed gases, or by the presence of means for complexing divalent ions, or by the enzymatic decomposition of phytate present in the manure. The phosphate is preferably removed from the liquid fraction by causing struvite to be precipitated therefrom.
    • 本发明涉及一种使粪肥脱磷,特别是猪粪的方法,其包括使磷酸盐溶解,磷酸盐至少部分地以粪便中的植酸盐的形式存在,将肥料分离成固体和液体馏分并除去 磷酸盐从粪便的液体部分。 使磷酸盐溶解可以以不同的方式实现,例如通过在调节环境下将粪便保持一段预定的时间,或者通过在至少15℃,优选在20和20℃的温度之间维持肥料的连续运动 40℃,允许形成的气体自由逸出,或通过存在用于络合二价离子的方法,或通过在粪便中存在的植酸盐进行酶分解。 磷酸盐优选通过使鸟粪石沉淀而从液体馏分中除去。