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Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives

In the dihydrate process to produce phosphoric acid, phosphate ore [Ca10F2(PO4)6] is leached with sulfuric and weak phosphoric acids to produce phosphoric acid and gypsum as a by-product. Crystallization of gypsum occurs as the leaching is taking place. The effect of organic and inorganic additives...

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主要作者: MM Rashad, HM Baioumy, EA Abdel‐Aal, .
格式: Article
出版: 2003
主題:
QE Geology
在線閱讀:http://onlinelibrary.wiley.com/doi/10.1002/crat.200310054/full
http://eprints.utp.edu.my/12271/
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spelling my.utp.eprints.122712017-08-24T06:56:05Z Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives MM Rashad, HM Baioumy, EA Abdel‐Aal, . QE Geology In the dihydrate process to produce phosphoric acid, phosphate ore [Ca10F2(PO4)6] is leached with sulfuric and weak phosphoric acids to produce phosphoric acid and gypsum as a by-product. Crystallization of gypsum occurs as the leaching is taking place. The effect of organic and inorganic additives on the structure and spectrum of gypsum crystals under simulated conditions of phosphoric acid production is studied using x-ray diffraction and infrared spectroscopy. Structure and spectrum of formed gypsum crystals in the absence of additives are slightly different from the standard gypsum crystals (card No. 6-0046), which reflect the effect of preparation medium on the crystal structure of gypsum crystals. 2003 Article PeerReviewed http://onlinelibrary.wiley.com/doi/10.1002/crat.200310054/full MM Rashad, HM Baioumy, EA Abdel‐Aal, . (2003) Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives. Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives . http://eprints.utp.edu.my/12271/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic QE Geology
spellingShingle QE Geology
MM Rashad, HM Baioumy, EA Abdel‐Aal, .
Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
description In the dihydrate process to produce phosphoric acid, phosphate ore [Ca10F2(PO4)6] is leached with sulfuric and weak phosphoric acids to produce phosphoric acid and gypsum as a by-product. Crystallization of gypsum occurs as the leaching is taking place. The effect of organic and inorganic additives on the structure and spectrum of gypsum crystals under simulated conditions of phosphoric acid production is studied using x-ray diffraction and infrared spectroscopy. Structure and spectrum of formed gypsum crystals in the absence of additives are slightly different from the standard gypsum crystals (card No. 6-0046), which reflect the effect of preparation medium on the crystal structure of gypsum crystals.
format Article
author MM Rashad, HM Baioumy, EA Abdel‐Aal, .
author_facet MM Rashad, HM Baioumy, EA Abdel‐Aal, .
author_sort MM Rashad, HM Baioumy, EA Abdel‐Aal, .
title Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
title_short Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
title_full Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
title_fullStr Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
title_full_unstemmed Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
title_sort structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives
publishDate 2003
url http://onlinelibrary.wiley.com/doi/10.1002/crat.200310054/full
http://eprints.utp.edu.my/12271/
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score 13.250246

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