Processes for recovering organic solvent extractant from solid-stabilized emulsions formed in hydrometallurgical solvent extraction circuits
US-9474990-B2 · Oct 25, 2016 · US
Composition and method for removing metal contaminants
US9404166B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9404166-B2 |
| Application number | US-201213454932-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 24, 2012 |
| Priority date | Sep 4, 2007 |
| Publication date | Aug 2, 2016 |
| Grant date | Aug 2, 2016 |
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- Title
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Abstract
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A composition comprising a substrate, an organic ion, and a metal binding agent, wherein the substrate comprises a natural clay, a synthetic clay, a natural zeolite, a synthetic zeolite, a polymer resin, lignite, kaolinite, serpentine, illite, chlorite, smectite, montmorillonite, saponite, sepiolite, nontronite, beidellite, hectorite, fuller's earth, attapulgite, bentonite, analcime, chabazite, heulandite, natrolite, phillipsite, stilbite, diethyl aminoethyl, quaternary aminoethyl, or combinations thereof, wherein the organic ion comprises quaternary amines, imidazolium salts, phosphonium salts, tetra alkyl ammonium, bis-(hydrogenated tallow)-dimethyl-ammonium chloride, bis-(hydrogenated tallow)-benzyl-methyl-ammonium chloride, 4,5-dihydro-1-methyl-2-nortallow-alkyl-1-(2-tallow-amidoethyl)-imidazolium methyl sulfate, 1-ethyl-4,5-dihydro-3-(2-hydroxyethyl)-2-(8-heptadecenyl)-imidazolium ethyl sulfate, or combinations thereof, and wherein the metal-binding agent comprises mercaptan, carboxylic acid, chelating agents, amines, esters, carboxylic acids, alcohols, ethers, aldehydes, ketones, alkenes, alkynes, mercaptans, thiols, tert-dodecanethiol, nonanethiol, octanethiol, n-stearic acid, iso-stearic acid, palmitic acid, or combinations thereof.
First claim
Opening claim text (preview).
What is claimed is: 1. A composition comprising: a substrate, an organic ion, and a metal binding agent, wherein the substrate comprises bentonite in an amount of from about 30% to about 90% by weight of the composition; wherein the organic ion comprises bis-(hydrogenated tallow)-benzyl-methyl-ammonium chloride in an amount of from about 10% to about 70% by weight of the composition; and wherein the metal-binding agent comprises tert-dodecanethiol and iso-stearic acid in…
Assignees
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- C22B3/24Primary
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US9404166B2 cover?
- A composition comprising a substrate, an organic ion, and a metal binding agent, wherein the substrate comprises a natural clay, a synthetic clay, a natural zeolite, a synthetic zeolite, a polymer resin, lignite, kaolinite, serpentine, illite, chlorite, smectite, montmorillonite, saponite, sepiolite, nontronite, beidellite, hectorite, fuller's earth, attapulgite, bentonite, analcime, chabazite,…
- Who is the assignee on this patent?
- Angeles-Boza Alfredo M, Landis Charles R, Shumway William W, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C22B3/24. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 02 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).