改良土壤圈的颗粒、制造方法和用途

文档序号:1173691 发布日期:2020-09-18 浏览:14次 >En<

阅读说明:本技术 改良土壤圈的颗粒、制造方法和用途 (Soil improvement ring granule, manufacturing method and application ) 是由 弗雷德·博恩迪克 马蒂亚斯·赫格尔 于 2018-11-30 设计创作,主要内容包括:本发明涉及一种用于制造改良土壤圈的颗粒(6)的方法,包括下列步骤:a)生成原材料分散体,其包含至少一种无机二代磷酸盐(1)和至少一种反应剂(2),其中原材料分散体中的液相(4)的份额大于30%,无机二代磷酸盐(1)与反应剂(2)之间的培养时间处于1至100分钟之间;b)分离原材料分散体的部分液相(4);c)将包括减少的液相(4)的剩余原材料分散体制成颗粒和/或使其挤压成型;d)或者在无需至少部分的重金属分离(5)的情况下,使在工艺步骤b)中分离的液相(4)回流至用于制造原材料分散体的工艺步骤a)中,或者至少部分地从在工艺步骤b)中分离的液相(4)中离析出重金属(7),并且从工艺中提取出重金属(7),随后使分离出的、贫重金属的液相(4)回流,以便以类似于工艺步骤a)的方式制造原材料分散体和/或使其回流至工艺步骤c);以及e)重复工艺步骤a)至d)。本发明还涉及一种可用该方法制造的改良土壤圈的颗粒(6)以及一种可用于在农业、林业和/或园艺领域中供应营养物质的有涂层或者无涂层的肥料颗粒。(The invention relates to a method for producing soil improvement granules (6), comprising the following steps: a) generating a raw material dispersion comprising at least one inorganic dibasic phosphate (1) and at least one reactant (2), wherein the proportion of liquid phase (4) in the raw material dispersion is greater than 30%, and the incubation time between the inorganic dibasic phosphate (1) and the reactant (2) is between 1 and 100 minutes; b) separating a part of the liquid phase (4) of the raw material dispersion; c) granulating and/or extruding the remaining raw material dispersion comprising the reduced liquid phase (4); d) or the liquid phase (4) separated in process step b) is returned to process step a) for producing the raw material dispersion without at least partial heavy metal separation (5), or the heavy metal (7) is at least partially isolated from the liquid phase (4) separated in process step b) and the heavy metal (7) is extracted from the process, and the separated, heavy metal-depleted liquid phase (4) is subsequently returned in order to produce the raw material dispersion in a manner analogous to process step a) and/or to return it to process step c); and e) repeating process steps a) to d). The invention also relates to a granule (6) for improving soil circles, which can be produced by the method, and to a coated or uncoated fertilizer granule which can be used for the supply of nutrients in the agricultural, forestry and/or horticultural field.)

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