阅读说明：本技术 含有铝酸锂的基体 (Matrix containing lithium aluminate ) 是由 张峥 C·科斯塔斯 于 2017-03-21 设计创作，主要内容包括：提供了一种微粒组合物,所述微粒组合物包含树脂珠的集合体和LiX·2Al(OH)<Sub>3</Sub>·nH<Sub>2</Sub>O,其中n为0至10,其中X为卤素,其中所述树脂珠含有聚合物,所述聚合物具有每升所述微粒组合物0.5至3当量的胺侧基,其中所述树脂珠具有5至100nm的平均孔径,其中所述树脂珠的集合体具有200-1000微米的调和平均粒径；其中所述树脂珠的集合体具有20至150m<Sup>2</Sup>/g的表面积；并且其中铝以基于所述微粒组合物的总重量的14.5重量％百分比或更高的铝原子的量存在。还提供了一种使用此种组合物从盐水中除去锂的方法。(provided is a microparticle composition comprising an aggregate of resin beads and LiX.2Al (OH) 3 ·nH 2 O, wherein n is 0 to 10, wherein X is a halogen, wherein the resin beads comprise a polymer having 0.5 to 3 equivalents of pendant amine groups per liter of the particulate composition, wherein the resin beads have an average pore size of 5 to 100nm, wherein the collection of resin beads has a harmonic average particle size of 200-1000 microns; wherein the aggregate of the resin beads has 20 to 150m 2 Surface area per gram; and wherein the aluminum is present in an amount of 14.5 weight percent or greater aluminum atoms based on the total weight of the particulate composition. A method of removing lithium from brine using such a composition is also provided.)

1. a microparticle composition comprising an aggregate of resin beads and LiX.2Al (OH)₃·nH₂O, wherein n is 0 to 10, wherein X is halogen,

Wherein the resin beads comprise a polymer having 0.5 to 3 equivalents of pendant amine groups per liter of the particulate composition,

wherein the resin beads have an average pore diameter of 5 to 100nm,

Wherein the collection of resin beads has a harmonic mean particle size of 200-1000 microns;

Wherein the aggregate of the resin beads has 20 to 150m²Surface area per gram;

and wherein the aluminum is present in an amount of 14.5 weight percent or greater aluminum atoms based on the total weight of the particulate composition.

2. The microparticle composition as claimed in claim 1, wherein X is chlorine.

3. the particulate composition of claim 1, wherein aluminum is present in an amount of 15 weight percent or greater aluminum atoms based on the total weight of the particulate composition.

4. A process for the preparation of a particulate composition,The method comprises depositing LiX.2Al (OH) in the pores of a primary particle composition₃·nH₂O, wherein n is 0 to 10, wherein X is a halogen, wherein the primary microparticle composition comprises a collection of primary resin beads,

Wherein the primary resin beads comprise a polymer having 0.5 to 3 equivalents of pendant amine groups per liter of the primary particulate composition,

Wherein the primary resin beads have an average pore diameter of 5 to 25nm,

Wherein the collection of primary resin beads has a harmonic mean particle size of 200-1000 microns;

Wherein the aggregate of the primary resin beads has 20 to 150m²Surface area in g.

5. A method for removing lithium from brine,

Wherein the brine comprises dissolved lithium cations in an amount of 50ppm or more of lithium based on the weight of the brine;

Wherein the brine contains dissolved magnesium cations, wherein the mass ratio of magnesium to lithium is from 50:1 to 500: 1;

Wherein the process comprises passing the brine through a fixed bed of the particulate composition of claim 1.

6. The method of claim 5, wherein the brine additionally comprises dissolved cations of one or more of potassium, sodium, and calcium.

7. The process of claim 5, additionally comprising a subsequent step of passing an elution fluid through a fixed bed of the particulate composition, wherein the elution fluid is an aqueous solution comprising 100ppm or more dissolved lithium ions by weight based on the weight of the elution fluid and comprising less than 50ppm of all other cations.