DE3900732C1 - - Google Patents
Info
- Publication number
- DE3900732C1 DE3900732C1 DE3900732A DE3900732A DE3900732C1 DE 3900732 C1 DE3900732 C1 DE 3900732C1 DE 3900732 A DE3900732 A DE 3900732A DE 3900732 A DE3900732 A DE 3900732A DE 3900732 C1 DE3900732 C1 DE 3900732C1
- Authority
- DE
- Germany
- Prior art keywords
- filter cake
- mixed
- product
- powdered
- zirconium fluoride
- 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
- 239000012065 filter cake Substances 0.000 claims abstract description 14
- -1 sodium zirconium fluoride salts Chemical class 0.000 claims abstract description 7
- 230000008929 regeneration Effects 0.000 claims abstract description 3
- 238000011069 regeneration method Methods 0.000 claims abstract description 3
- 239000000047 product Substances 0.000 claims description 10
- 238000005554 pickling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Detergent Compositions (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3900732A DE3900732C1 (sv) | 1989-01-12 | 1989-01-12 | |
| FR898913690A FR2641484B3 (fr) | 1989-01-12 | 1989-10-19 | Procede de purification de fluosels de sodium et de zirconium humides |
| GB8925230A GB2227012B (en) | 1989-01-12 | 1989-11-08 | Process for the disposal of moist sodium zircon fluorine salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3900732A DE3900732C1 (sv) | 1989-01-12 | 1989-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3900732C1 true DE3900732C1 (sv) | 1989-12-21 |
Family
ID=6371947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3900732A Expired DE3900732C1 (sv) | 1989-01-12 | 1989-01-12 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3900732C1 (sv) |
| FR (1) | FR2641484B3 (sv) |
| GB (1) | GB2227012B (sv) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626448A1 (de) * | 1986-08-05 | 1988-02-11 | Hoechst Ag | Verfahren zur aufarbeitung von waessrigen kieselfluorwasserstoffsaeureloesungen |
-
1989
- 1989-01-12 DE DE3900732A patent/DE3900732C1/de not_active Expired
- 1989-10-19 FR FR898913690A patent/FR2641484B3/fr not_active Expired - Lifetime
- 1989-11-08 GB GB8925230A patent/GB2227012B/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626448A1 (de) * | 1986-08-05 | 1988-02-11 | Hoechst Ag | Verfahren zur aufarbeitung von waessrigen kieselfluorwasserstoffsaeureloesungen |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2227012A (en) | 1990-07-18 |
| GB8925230D0 (en) | 1989-12-28 |
| FR2641484B3 (fr) | 1991-03-29 |
| FR2641484A1 (fr) | 1990-07-13 |
| GB2227012B (en) | 1992-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8100 | Publication of the examined application without publication of unexamined application | ||
| D1 | Grant (no unexamined application published) patent law 81 | ||
| 8364 | No opposition during term of opposition | ||
| 8330 | Complete disclaimer |