GB1115694A - Clay improvement - Google Patents
Clay improvementInfo
- Publication number
- GB1115694A GB1115694A GB316266A GB316266A GB1115694A GB 1115694 A GB1115694 A GB 1115694A GB 316266 A GB316266 A GB 316266A GB 316266 A GB316266 A GB 316266A GB 1115694 A GB1115694 A GB 1115694A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ton
- slurry
- excess
- examples
- clay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000004927 clay Substances 0.000 title abstract 5
- 239000002002 slurry Substances 0.000 abstract 6
- 239000003795 chemical substances by application Substances 0.000 abstract 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000001164 aluminium sulphate Substances 0.000 abstract 2
- 235000011128 aluminium sulphate Nutrition 0.000 abstract 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 abstract 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 235000019818 tetrasodium diphosphate Nutrition 0.000 abstract 2
- 239000005995 Aluminium silicate Substances 0.000 abstract 1
- 229920000388 Polyphosphate Polymers 0.000 abstract 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 239000005708 Sodium hypochlorite Substances 0.000 abstract 1
- 235000012211 aluminium silicate Nutrition 0.000 abstract 1
- -1 and on standing Substances 0.000 abstract 1
- 239000011362 coarse particle Substances 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000001205 polyphosphate Substances 0.000 abstract 1
- 235000011176 polyphosphates Nutrition 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 abstract 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract 1
- PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
- C04B33/06—Rendering lime harmless
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/10—Eliminating iron or lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/30—Drying methods
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Kaolin clay containing Ti is purified by incorporating into a slurry of the clay containing 10-50% solids an amount of a peptizing agent in excess of that required to obtain minimum viscosity, i.e. maximum dispersion, and allowing the impurities to settle. Two methods are described: (a) a crude slurry is initially treated with e.g. 0.5-6 lb/ton of a peptizing agent (i.e. not excess) and fractionated. The portion containing at least 90% minus 2m particles, with a 20-45% solids content, is then mixed with the excess peptizing agent (5-25 lb/ton), allowed to stand, and drawn off from the deposit (Examples 1-47); (b) a crude slurry is fractionated and treated at the same time. The excess peptizing agent is added to the slurry, and on standing, coarse particles and impurities settle, and the slurry is drawn off. The treatment may be repeated with the addition of 0.5 to 1.5 lb/ton sulphuric acid (Examples 48-70). In either case, the slurry is then flocculated with sulphuric acid (0.2-7 lb/ton) and/or aluminium sulphate (3-45 lb/ton), and filtered. The clay may be bleached before or after treatment. In all the examples, the filtered clay was reslurried to 22-32% solids and bleached with zinc hydrosulphite (8-15 lb/ton) with or without aluminium sulphate (0.8-6 lb/ton). Peptizing agents exemplified are: sodium hexametaphosphate alone (Examples 1, 2, 6-9, 11, 12, 14, 17, 20-24, 28, 31, 39, 40, 45, 49, 51-55, 57, 65-66), with tetrasodium pyrophosphate (3, 59, 60, 62), with sodium hydroxide (4, 15, 18, 26, 32, 44, 61, 63, 64), and with sodium carbonate (47, 68); sodium hypochlorite (30); sodium silicate (35-38, 42, 70); tetrasodium pyrophosphate (34, 46); and an organic polyphosphate (41).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42885265A | 1965-01-28 | 1965-01-28 | |
| US42885765A | 1965-01-28 | 1965-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1115694A true GB1115694A (en) | 1968-05-29 |
Family
ID=27027940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB316266A Expired GB1115694A (en) | 1965-01-28 | 1966-01-24 | Clay improvement |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE675744A (en) |
| ES (1) | ES322303A1 (en) |
| GB (1) | GB1115694A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU617698B2 (en) * | 1987-10-22 | 1991-12-05 | Edward Harris Greenwald Sr. | Method and apparatus for separating clay from and then dewatering ultra fine coal |
-
1966
- 1966-01-24 GB GB316266A patent/GB1115694A/en not_active Expired
- 1966-01-27 ES ES0322303A patent/ES322303A1/en not_active Expired
- 1966-01-28 BE BE675744D patent/BE675744A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE675744A (en) | 1966-07-28 |
| DE1571541A1 (en) | 1970-12-03 |
| ES322303A1 (en) | 1966-07-16 |
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