Liquid fertilizer applicators and methods of forming liquid fertilizer concentrate

    公开(公告)号:US11267766B2

    公开(公告)日:2022-03-08

    申请号:US16582038

    申请日:2019-09-25

    摘要: A fertilizer application system for a liquid fertilizer concentrate includes a container containing a first fluid. A siphon is disposed on the container and includes two inlets and an outlet. A flow control valve is configured to selectively control an amount of first fluid flowing through the siphon based on ambient temperature of an environment outside the container. A siphon tube includes a siphon tube first portion in fluid communication with the first fluid, and a siphon tube second portion fluidly coupled to an inlet of the siphon. The first fluid includes a liquid fertilizer concentrate comprising a nitrogen containing source, a phosphorous containing source, a sulfur containing source, a potassium containing source, an iron containing source, and water.

    Non-Aqueous Organo Liquid Delivery Systems containing dispersed Poly (organic acids) that improve availability of macro & micro-nutrients to plants

    公开(公告)号:US20210368786A1

    公开(公告)日:2021-12-02

    申请号:US17397717

    申请日:2021-08-09

    摘要: The present invention relates to improving the efficiency of man-made and/or natural organic-based animal manure fertilizers by administration of formulations containing poly(organic acids), [P(OA)]s, and/or their salts dispersed in a Non-aqueous Organic Solvent Delivery System (NOSDS). Utilizing a NOSDS allows for coating all components in a fertilizer formulation including but not limited to Urea, Manure, mono-ammonium phosphate (MAP), di-ammonium phosphate (DAP), solid micronutrients such as lime, zinc chloride, etc.) with a layer of [P(OA)]s and/or their salts that liberates, in a plant available form, the micronutrient metals and macronutrients, that are bound as insoluble salts and complexes in the soil. The carboxylic groups of a [P(OA)] that can exist within the [P(OA)] as carboxylic acids, carboxylic anhydrides and/or carboxylic imides, dispersed within the NOSDS, can be neutralized with one or more metals in the form of elemental metals, metal oxides, metal hydroxides, metal alkylates and metal carbonates and/or nitrogen containing compounds such as ammonia, ammonium hydroxide or organoamines to form a stable dispersion that can contain completely complexed micronutrients and provide the vehicle for the delivery of these nutrients to soils and/or as a coating to the surfaces fertilizer granules and seeds.

    Phosphate fertilizer with finely ground elemental sulfur, swelling agent and rock phosphate

    公开(公告)号:US11180424B1

    公开(公告)日:2021-11-23

    申请号:US16708031

    申请日:2019-12-09

    发明人: Jake Dexter

    IPC分类号: C05B17/00 C05B19/00

    摘要: A phosphate fertilizer as described contains a blend of finely ground sulfur component, swelling agent and rock phosphate (for example, apatite). Preferably, the swelling agent is bentonite. The sulfur component, swelling agent and rock phosphate raw materials are preferably present as particles of less than about 500μ in size, more preferably between about 400-200μ, but more than 100μ. The sulfur component and swelling agent may be combined together before sizing as a composition of about 85 wt % sulfur sublimed onto/into or melted together with about 15 wt % bentonite. These components are present in the phosphate fertilizer at about 10 wt % for the sulfur, at about 5 wt % for the swelling agent and about 80 wt % for the rock phosphate. In addition, when the blend is pelletized, a granulation aid, like lignin, molasses, etc., is also present at about 5 wt % of the blend.

    MANUFACTURE OF FERTILISER
    38.
    发明申请

    公开(公告)号:US20210347703A1

    公开(公告)日:2021-11-11

    申请号:US17282848

    申请日:2019-10-07

    IPC分类号: C05B1/02 C05B19/02

    摘要: Provided is a method of manufacturing phosphate fertilizer that comprises dicalcium phosphate, the method comprising providing milled phosphorus-containing rock having a total phosphorus content of at least about 15% P by weight, mixing the milled phosphate-containing rock with a mineral acid in a reaction vessel to produce a superphosphate product, and mixing the superphosphate product with a calcium-source reverting agent and a magnesium-source reverting agent to produce a reverted product, the calcium-source reverting agent comprising at least about 20% by weight of the total reverting agent of calcium oxide with a calcium carbonate equivalence of at least about 134%, and the magnesium-source reverting agent providing a magnesium source and comprising at least about 20% by weight of the total reverting agent of magnesium source with a calcium carbonate equivalence of at least about 80%, to produce a granulated cured reverted product having a product yield of at least about 1.90 or of at least about 1.77, and a moisture content of less than 3%.