Method for granulating particle-containing material obtained from industrial processes, the granulate thus produced, and use thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08J-003/12
C22B-007/04
C09C-003/04
C09C-001/24
C09C-001/36
C08K-003/08
C08K-003/22
출원번호
US-0385171
(2013-03-15)
등록번호
US-9303128
(2016-04-05)
우선권정보
DE-10 2012 102 178 (2012-03-15)
국제출원번호
PCT/DE2013/100104
(2013-03-15)
국제공개번호
WO2013/135239
(2013-09-19)
발명자
/ 주소
Auer, Gerhard
Guennel, Horst
Offermann, Martin
Winkler, Jochen
출원인 / 주소
SACHTLEBEN PIGMENT GMBH
대리인 / 주소
Thot, Norman B.
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
A method for granulating a particle-containing material from an industrial process includes mixing the particle-containing material in the presence of water with a material that consists of or comprises a water-absorbing and swellable organic polymer compound which is insoluble in water so as to obt
A method for granulating a particle-containing material from an industrial process includes mixing the particle-containing material in the presence of water with a material that consists of or comprises a water-absorbing and swellable organic polymer compound which is insoluble in water so as to obtain granulates.
대표청구항▼
1. A method for granulating a particle-containing material from an industrial process, the method comprising: mixing the particle-containing material in the presence of water with a material that consists of or comprises a water-absorbing and swellable organic polymer compound which is insoluble in
1. A method for granulating a particle-containing material from an industrial process, the method comprising: mixing the particle-containing material in the presence of water with a material that consists of or comprises a water-absorbing and swellable organic polymer compound which is insoluble in water so as to obtain granulates. 2. The method as recited in claim 1, wherein the water is humidity adhering to the particle-containing material; and/orthe water is added to the particle-containing material or to a blend of the particle-containing material and the material that consists of or comprises a water-absorbing and swellable organic polymer compound which is insoluble in water. 3. The method as recited in claim 1, wherein the particle-containing material has a humidity of 20 to 85 wt.-%, based on a weight of the particle-containing material. 4. The method as recited in claim 1, wherein the particle-containing material is provided as a slurry, a sludge, a paste, a filter cake, or as a salt comprising crystal water, or the particle-containing material comprises at least one of the slurry, the sludge, the paste, the filter cake, and the salt comprising crystal water. 5. The method as recited in claim 1, wherein the particle-containing material is provided as a dry powder, a dust, or as a mixture of the dry powder and the dust. 6. The method as recited in claim 5, wherein the method further comprises: blending the dry powder, the dust, or the mixture of the dry powder and the dust with the material that consists of or comprises a water-absorbing and swellable organic polymer compound that is insoluble in water; and thenadding water and/or the particle-containing material comprising water. 7. The method as recited in claim 1, where the water-absorbing and swellable organic polymer compound is at least one of a superabsorbent and a hydrogel. 8. The method as recited in claim 7, wherein the at least one of a superabsorbent and a hydrogel is or comprises a polymerizate of acrylic acid. 9. The method as recited in claim 1, wherein the water-absorbing and swellable organic polymer compound that is insoluble in water is provided in an amount of 0.1 to 5% based on the weight of a particle-containing material comprising humidity. 10. The method as recited in claim 1, wherein the water-absorbing and swellable organic polymer compound that is insoluble in water is provided in an amount of 0.8 to 3.5% based on a weight of a particle-containing material comprising humidity. 11. The method as recited in claim 1, further comprising drying the granulates, wherein the drying is performed in a fluidized-bed dryer by contacting the granulates with a gaseous media so as to lower a humidity. 12. The method as recited in claim 1, further comprising calcining the granulates. 13. Granulates comprising: a particle-containing material from an industrial process;a water-absorbing and swellable organic polymer compound that is insoluble in water; andwater of more than 5 wt.-% based on a total weight of the granulateswherein, the water-absorbing and swellable organic polymer compound that is insoluble in water is a polymerizate of acrylic acid. 14. The granulates as recited in claim 13, wherein the granulates comprise water of from 20 to 85 wt.-% based on a total weight of the granulates. 15. The granulates as recited in claim 13, wherein the granulates have a dry weight ratio of the water-absorbing and swellable organic polymer compound that is insoluble in water to the particle-containing material of 0.015 to 0.08. 16. The granulates as recited in claim 13, wherein the granulates have a mean particle diameter of 1 to 5 mm. 17. The granulates as recited in claim 13, wherein a proportion of the granulates with a particle diameter of between 1 and 5 mm is at least 50 wt.-% based on a total mass of the granulates. 18. The granulates as recited in claim 13, wherein the particle-containing material consists of or comprises inorganic pigments, organic pigments, residues from titanium dioxide production, ferrous sulfate heptahydrate, copperas, concrete polishing sludge, polishing residues, polishing sludges, paint sludges, varnish sludges, fillers, china clay, CaCO3, BaSO4, ZnS, lithopone, gypsum, phosphate sludge, residues from solvents, gangue, sludges from neutralization, foundry sludges, residues from galvanic processes, residues from thickeners, metal sludges, metal hydroxide sludges, sludges comprising metal hydroxides, drilling muds, ceramic intermediate products, aluminum titanate, aluminum hydroxide, zirconium titanium hydrate, sludges from natural gas production, sludges from natural gas purification, and mixtures or blends thereof.
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