The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials
Since natural gypseous raw materials are not available in Lithuania, the production of gypseous binding materials is feasible only from different process waste. In the work the results of investigations conducted on a gypseous binding material are presented, which is produced from dehydrate and semi...
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| Format: | Article |
| Language: | English |
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Vilnius Gediminas Technical University
2003-03-01
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| Series: | Journal of Civil Engineering and Management |
| Subjects: | |
| Online Access: | http://localhost/journals.vgtu.lt/index.php/JCEM/article/view/9017 |
| _version_ | 1818333434523680768 |
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| author | Violeta LeÅ¡keviÄienÄ— Dalia NizeviÄienÄ— Zenonas ValanÄius |
| author_facet | Violeta LeÅ¡keviÄienÄ— Dalia NizeviÄienÄ— Zenonas ValanÄius |
| author_sort | Violeta LeÅ¡keviÄienÄ— |
| collection | DOAJ |
| description | Since natural gypseous raw materials are not available in Lithuania, the production of gypseous binding materials is feasible only from different process waste. In the work the results of investigations conducted on a gypseous binding material are presented, which is produced from dehydrate and semihydrate calcium sulphate (phosphogypsum) formed in JSC “Lifosa†and from gypsum forms of waste obtained in JSC “Jiesiaâ€. The processing of dehydrate phosphogypsum into gypseous binding materials has been thoroughly investigated and the created technologies have been tested in several enterprises. In 1998 in JSC “Lifosa†dehydrate technology was changed over semihydrate technology. In the work the ways of producing gypseous binding material or gypsum products are presented, which meet the requirements of the standards being in effect. For the above ways of production Lithuanian patent LT 4699 B, 2000 09 25 has been obtained. In JSC “Jiesia†several tons of gypsiferous waste are produced daily. The investigation results enable us to infer that it is feasible to obtain rather qualitative b and a semi-hydrate gypsum from gypseous waste without additional processing and with comparatively insignificant energy consumption.
First Published Online: 26 Jul 2012 |
| first_indexed | 2024-12-13T13:51:35Z |
| format | Article |
| id | doaj.art-36b319296e84401fac2397ae2e0c719a |
| institution | Directory Open Access Journal |
| issn | 1392-3730 1822-3605 |
| language | English |
| last_indexed | 2024-12-13T13:51:35Z |
| publishDate | 2003-03-01 |
| publisher | Vilnius Gediminas Technical University |
| record_format | Article |
| series | Journal of Civil Engineering and Management |
| spelling | doaj.art-36b319296e84401fac2397ae2e0c719a2022-12-21T23:43:08ZengVilnius Gediminas Technical UniversityJournal of Civil Engineering and Management1392-37301822-36052003-03-019110.3846/13923730.2003.10531304The effect of the processing way of technogenic raw materials on the properties of gypsum binding materialsVioleta LeÅ¡keviÄienÄ—0Dalia NizeviÄienÄ—1Zenonas ValanÄius2Dept of Silicate Technology , Kaunas Technological University , RadvilÄ—nių pl. 19, Kaunas , LithuaniaDept of Silicate Technology , Kaunas Technological University , RadvilÄ—nių pl. 19, Kaunas , LithuaniaDept of Silicate Technology , Kaunas Technological University , RadvilÄ—nių pl. 19, Kaunas , LithuaniaSince natural gypseous raw materials are not available in Lithuania, the production of gypseous binding materials is feasible only from different process waste. In the work the results of investigations conducted on a gypseous binding material are presented, which is produced from dehydrate and semihydrate calcium sulphate (phosphogypsum) formed in JSC “Lifosa†and from gypsum forms of waste obtained in JSC “Jiesiaâ€. The processing of dehydrate phosphogypsum into gypseous binding materials has been thoroughly investigated and the created technologies have been tested in several enterprises. In 1998 in JSC “Lifosa†dehydrate technology was changed over semihydrate technology. In the work the ways of producing gypseous binding material or gypsum products are presented, which meet the requirements of the standards being in effect. For the above ways of production Lithuanian patent LT 4699 B, 2000 09 25 has been obtained. In JSC “Jiesia†several tons of gypsiferous waste are produced daily. The investigation results enable us to infer that it is feasible to obtain rather qualitative b and a semi-hydrate gypsum from gypseous waste without additional processing and with comparatively insignificant energy consumption. First Published Online: 26 Jul 2012http://localhost/journals.vgtu.lt/index.php/JCEM/article/view/9017dehydrate calcium sulphatephosphogypsumbinding materialsgypsumsemihydrate calcium sulphateα-semihydrate gypsum |
| spellingShingle | Violeta LeÅ¡keviÄienÄ— Dalia NizeviÄienÄ— Zenonas ValanÄius The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials Journal of Civil Engineering and Management dehydrate calcium sulphate phosphogypsum binding materials gypsum semihydrate calcium sulphate α-semihydrate gypsum |
| title | The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials |
| title_full | The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials |
| title_fullStr | The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials |
| title_full_unstemmed | The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials |
| title_short | The effect of the processing way of technogenic raw materials on the properties of gypsum binding materials |
| title_sort | effect of the processing way of technogenic raw materials on the properties of gypsum binding materials |
| topic | dehydrate calcium sulphate phosphogypsum binding materials gypsum semihydrate calcium sulphate α-semihydrate gypsum |
| url | http://localhost/journals.vgtu.lt/index.php/JCEM/article/view/9017 |
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