Academic literature on the topic 'Fosfogips'
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Journal articles on the topic "Fosfogips"
KOWALSKA, EWA, ZBIGNIEW WIELGOSZ, MAGDALENA ZUBROWSKA, STANISLAW PASYNKIEWICZ, and MALGORZATA CHOROS. "Application of waste phosphogypsum in thermoplastic and chemosetting composites." Polimery 49, no. 11/12 (November 2004): 828–36. http://dx.doi.org/10.14314/polimery.2004.828.
Full textБулат, Анатолий Федорович, Валерий Анатолиевич Иванов, Ефим Леонидович Звягильский, Константин Сергеевич Голов, and Владимир Иванович Большаков. "Comparative studies of radiation-protection fillers for composite materials based on fosfogipsum binder." Eastern-European Journal of Enterprise Technologies 6, no. 11(78) (December 23, 2015): 25. http://dx.doi.org/10.15587/1729-4061.2015.54902.
Full textFabijański, Mariusz. "Study on mechanical properties of phosphogypsum-filled polylactide Badania właściwości mechanicznych polilaktydu napełnionego fosfogipsem." PRZEMYSŁ CHEMICZNY 1, no. 11 (November 5, 2016): 97–99. http://dx.doi.org/10.15199/62.2016.11.15.
Full textSadurski, Andrzej, and Danuta Trokowicz. "Konieczność walidacji monitoringu wód podziemnych w rejonach starych składowisk na przykładzie składowiska fosfogipsów w Wiślince (Żuławy Gdańskie)." Przegląd Geologiczny 68, no. 12 (December 21, 2020): 894–901. http://dx.doi.org/10.7306/2020.38.
Full textBituh, Tomislav, Branko Petrinec, Božena Skoko, Zlatko Vučić, and Gordana Marović. "Measuring and modelling the radiological impact of a phosphogypsum deposition site on the surrounding environment / Mjerenje i modeliranje radiološkog utjecaja odlagališta fosfogipsa na okoliš." Archives of Industrial Hygiene and Toxicology 66, no. 1 (March 1, 2015): 31–40. http://dx.doi.org/10.1515/aiht-2015-66-2587.
Full textGaidučis, Sergejus, Romualdas Mačiulaitis, and Antanas Kaminskas. "ECO-BALANCE FEATURES AND SIGNIFICANCE OF HEMIHYDRATE PHOSPHOGYPSUM REPROCESSING INTO GYPSUM BINDING MATERIALS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 15, no. 2 (June 30, 2009): 205–13. http://dx.doi.org/10.3846/1392-3730.2009.15.205-213.
Full text"Utjecaj fosfogipsa na čvrstoću ekspanzivnog tla stabiliziranog vapnom." Journal of the Croatian Association of Civil Engineers 66, no. 12 (2014). http://dx.doi.org/10.14256/jce.1097.2014.
Full textDissertations / Theses on the topic "Fosfogips"
Parfionov, Sergej. "Senėjimo įtaka ekstrakcinio pushidračio fosfogipso ir jo gaminių savybėms." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2007. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2007~D_20070629.151824-82181.
Full textThe main magistracy final work motivation and aims: The main goal was to implementation a pilot project for use of surplus energy accumulated in E-PG. Phosphogypsum is one of the most abundant mineral waste materials, the use of which is solved fully up to the present time. In spite of the fact, that there are tens of millions of tons of phosphogypsum accumulated in stacks, an additional million tons of E-PG is added each year. Due to the fact, that during the phosphoric acid production process from apatite phosphogypsum is formed in the hemi hydrate state (CaSO4 1/2 H2O) similarly like construction gypsum, therefore it could be used in construction work as a gypsum binding material. However the acids present in the E-PG compositions block the hydratation and hardening processes. Various technological solutions such as washing out the soluble admixtures or neutralization with slaked lime suspensions increase the energy expenditures substantially. Energy requirements then increase by almost two times to produce a gypsum binding material in comparison to when natural gypsum materials are used. Correspondingly the energy costs increase and pollutant emissions into the environment. Taking into account these conditions, we investigated the E-PG properties when mechanical activation method was used. It allows obtaining chemically active formation mixtures with out using fuel or other sources of heat energy. However from a technological point of view, if we store E-PG for longer... [to full text]
Puodžiūnas, Marius. "Atliekinio fosfogipso panaudojimas sunkiųjų metalų immobilizacijai nuotekų dumble ir dumblo-dirvožemio mišiniuose." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090615_115331-23976.
Full textNegative impact of heavy metals originating from sewage sludge on the environment and human health can be minimised by limiting their mobility in soil. In this study heavy metal immobilisation using pshosphogypsum in sewage sludge and its mixtures with soil have been investigated. This research seeks to broaden utilisation posibilities of two types of waste products – wastewater sewage sludge and by-product of phosphate fertiliser production– phosphogypsum, using them in agriculture as soil amendments. The object of the study – waste of organic origin - anaerobically processed wastewater sewage sludge and mineral by-product of phosphate fertiliser production – waste phosphogypsum. The aim of the study – to investigate and evaluate impact of waste phosphogypsum on the mobility of heavy metals and plant nutrients in sewage sludge and its mixtures with soil and alkaline materials as well as to suggest effective measures for heavy metal stabilisation in soil environment. The methods: for the assessment of metal and nutrient mobility sewage sludge mixtures with soil (mass ratio 1:1) and cement kiln dust (8:2) have been prepared. Heavy metal and macroelement bioavailability has been evaluated by carrying out extraction of different mixtures with 5, 10, 20 and 40% phosphogypsum additive using 0.01M CaCl2 solution. Electric conductivity, pH and water soluble Ca2+, K+ and NO3 concentration has been measured in extracts using ionometric method. Water soluble phosphorus have been... [to full text]
Predrag, Kuzmanović. "Korelacija radioloških i strukturnih karakteristika građevinskih materijala." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2020. https://www.cris.uns.ac.rs/record.jsf?recordId=114752&source=NDLTD&language=en.
Full textIn this doctoral dissertation, the results of the radiological and structural characterization of building materials used in Serbia were presented. Radiological characterization of a total of 348 samples was performed, including granite, phosphogypsum, raw materials in the ceramic industry, ceramic tiles, concrete, brick, mortar, siporex, tiles, and other materials frequently used as building materials.Radiological characterization was performed by measuring activity concentrations of 226 Ra,232 Th, and 40 K by gamma spectrometry method, as well as radon exhalation from selected building materials using active devices RAD7, RTM 1688-2, AlphaGuard and AlphaE.Using Monte Carlo simulations, the absorbed gamma dose rates were estimated. Furthermore, the deviations from the theoretically estimated absorbed dose rates were observed, and suggestions for correction were given. An assessment of the radiation risk from the use of analyzed building materials in the interior, as well as for occupational workers working with raw materials was conducted.The possibilities of using phosphogypsum as a NORM material in the production of gypsum plasterboard and bricks were investigated, with an assessment of the radiation risk due to use of phosphogypsum as a component in the building materials. 8 samples of bricks with different proportions of phosphogypsum were made and radiological and structural characterization of the obtained materials was performed. Variations of radon emanation coefficients from building materials over time, as well as the influence of leakage and back diffusion effects leading to these variations, were investigated. The influence of the structure of the material in terms of mineral and chemical composition and porosity on the values of the radon emanation coefficient was also investigated. The mineralogical characterization of the samples was performed by the method of X-ray structural analysis (XRD), and the chemical characterization by the method of X-ray fluorescence analysis (XRF). The measurement of total effective porosity was performed by water absorption methods and mercury porosimetry method. Based on the obtained results, significant correlations were establishedbetween individual radiological and structural parameters for the analyzed samples of construction materials.
Books on the topic "Fosfogips"
Conference papers on the topic "Fosfogips"
Jakubauskaitė, Viktorija, Milda Zeringytė, and Audronė Zukauskaitė. "Hidroksiapatito sintezė panaudojant fosfogipso atliekas." In 23-oji jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija APLINKOS APSAUGOS INŽINERIJA. Vilnius Gediminas Technical University, 2020. http://dx.doi.org/10.3846/aainz.2020.012.
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