(AMNE:(NATURVETENSKAP Kemi)) pers:(Antzutkin Oleg) pers:(Rusanova Daniela)
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02852naa a2200361 4500 | |
| 001 | oai:DiVA.org:ltu-3988 | |
| 003 | SwePub | |
| 008 | 160929s2008 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-39882 URI |
| 024 | 7 | a https://doi.org/10.1016/j.jssc.2008.09.0072 DOI |
| 040 | a (SwePub)ltu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Maslova, Marina4 aut |
| 245 | 1 0 | a Formation of titanium phosphate composites during phosphoric acid decomposition of natural sphene |
| 264 | 1 | b Elsevier BV,c 2008 |
| 338 | a print2 rdacarrier | |
| 500 | a Validerad; 2008; 20081203 (ysko) | |
| 520 | a Decomposition of mineral sphene, CaTiOSiO4, by H3PO4 is investigated in detail. During the dissolution process, simultaneous calcium leaching and formation of titanium phosphate (TiP) take place. The main product of decomposition is a solid titanium phosphate-silica composite. The XRD, solid-sate NMR, IR, TGA, SEM and BET data were used to identify and characterize the composite as a mixture of crystalline Ti(HPO4)2H2O and silica. When 80% phosphoric acid is used the decomposition degree is higher than 98% and calcium is completely transferred into the liquid phase. Formation of Ti(HPO4)2H2O proceeds via formation of meta-stable titanium phosphate phases, Ti(H2PO4)(PO4)2H2O and Ti(H2PO4)(PO4).The sorption affinities of TiP composites were examined in relation to caesium and strontium ions. A decrease of H3PO4 concentration leads to formation of composites with greater sorption properties. The maximum sorption capacity of TiP is observed when 60% H3PO4 is used in sphene decomposition.The work demonstrates a valuable option within the Ti(HPO4)2H2O-SiO2 composite synthesis scheme, to use phosphoric acid flows for isolation of CaHPO42H2O fertilizer. | |
| 650 | 7 | a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng |
| 653 | a Chemistry of Interfaces | |
| 653 | a Gränsytors kemi | |
| 700 | 1 | a Rusanova, Daniela4 aut |
| 700 | 1 | a Naydenov, Valeriu SunPine AB4 aut |
| 700 | 1 | a Antzutkin, Olegu Luleå tekniska universitet,Industriell miljö- och processteknik4 aut0 (Swepub:ltu)olan |
| 700 | 1 | a Gerasimova, Lidia G.u Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Center, Russian Academy of Sciences4 aut |
| 710 | 2 | a SunPine ABb Industriell miljö- och processteknik4 org |
| 773 | 0 | t Journal of Solid State Chemistryd : Elsevier BVg 181:12, s. 3357-3365q 181:12<3357-3365x 0022-4596x 1095-726X |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-3988 |
| 856 | 4 8 | u https://doi.org/10.1016/j.jssc.2008.09.007 |
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