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1. (WO2007003689) METHOD FOR IMPROVING VERMICULITE'S INTAKE OF AMMONIUM IONS, ABSORPTION MATERIAL, ITS USES AND METHOD OF REMOVING AMMONIUM FROM ENVIRONMENT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/003689 International Application No.: PCT/FI2006/000234
Publication Date: 11.01.2007 International Filing Date: 30.06.2006
IPC:
C01B 33/42 (2006.01) ,C05C 3/00 (2006.01) ,C09K 3/32 (2006.01) ,B01D 53/58 (2006.01) ,C02F 1/58 (2006.01)
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
33
Silicon; Compounds thereof
20
Silicates
36
having base-exchange properties but not having molecular sieve properties
38
Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
42
Micas
C CHEMISTRY; METALLURGY
05
FERTILISERS; MANUFACTURE THEREOF
C
NITROGENOUS FERTILISERS
3
Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
3
Materials not provided for elsewhere
32
for treating liquid pollutants, e.g. oil, gasoline or fat
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34
Chemical or biological purification of waste gases
46
Removing components of defined structure
54
Nitrogen compounds
58
Ammonia
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
58
by removing specified dissolved compounds
Applicants:
TURUN YLIOPISTO [FI/FI]; Yliopistonmäki FI-20014 Turun Yliopisto, FI (AllExceptUS)
SVENSKA YRKESHÖGSKOLAN [FI/FI]; Fabriksgatan 1 FI-65200 Vasa, FI (AllExceptUS)
EKLUND, Olav [FI/FI]; FI (UsOnly)
TOROPAINEN, Vesa [FI/FI]; FI (UsOnly)
SHEBANOV, Alexey [RU/FI]; FI (UsOnly)
ÅKERBACK, Nina [FI/FI]; FI (UsOnly)
ENGBLOM, Sten [FI/FI]; FI (UsOnly)
Inventors:
EKLUND, Olav; FI
TOROPAINEN, Vesa; FI
SHEBANOV, Alexey; FI
ÅKERBACK, Nina; FI
ENGBLOM, Sten; FI
Agent:
TURUN PATENTTITOIMISTO OY; PO Box 99 FI-20521 Turku, FI
Priority Data:
2005070001.07.2005FI
Title (EN) METHOD FOR IMPROVING VERMICULITE'S INTAKE OF AMMONIUM IONS, ABSORPTION MATERIAL, ITS USES AND METHOD OF REMOVING AMMONIUM FROM ENVIRONMENT
(FR) PROCEDE PERMETTANT D'AMELIORER L'APPORT EN VERMICULITE D'IONS AMMONIUM, MATERIAU ABSORBANT, UTILISATIONS AFFERENTES ET PROCEDE D'ELIMINATION DE L'AMMONIUM DANS L'ENVIRONNEMENT
Abstract:
(EN) The invention relates to a method for improving vermiculite's intake of ammonium, in which method heating of the crude vermiculite is conducted to a temperature where vermiculite's third dehydration step takes place, the temperature being lower than the temperature where vermiculite's fourth dehydration/dehydroxylation step takes place. The invention relates also to use of the obtained vermiculite and to an absorption material, comprising vermiculite material and additives, where at least 50 % of the vermiculite material comprises vermiculite, which has undergone the third dehydration step but not the fourth dehydration/dehydroxylation step. The invention relates also to use of thermally treated and ammonium doped vermiculite as fertilizer/soil conditioner.
(FR) L'invention se rapporte à un procédé permettant d'améliorer l'apport en vermiculite d'ammonium, et dans lequel l'échauffement du vermiculite brut est effectué à une température qui permet la réalisation d'une troisième étape de déshydratation du vermiculite, la température étant inférieure à la température à laquelle la quatrième étape de désydratation/déshydroxylation du vermiculite est réalisée. L'invention se rapporte également à l'utilisation du vermiculite produit et à un matériau absorbant, renfermant le matériau de vermiculite et des additifs, au moins 50 % du matériau de vermiculite comprenant du vermiculite qui a été soumis à la troisième étape de déshydratation mais pas à la quatrième étape de déshydratation/déshydroxylation. L'invention se rapporte également à l'utilisation de vermiculite traité thermiquement et dopé par l'ammonium en tant qu'engrais/amendement synthétique.
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP1954628US20100132423RU0002418743DK1954628