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الرئيسية > A Review of Low-Grade Pyrophyl...>الوصف

A Review of Low-Grade Pyrophyllite ore Upgrading Techniques

المصدر: المجلة العربية للنشر العلمي
الناشر: مركز البحث وتطوير الموارد البشرية - رماح
المؤلف الرئيسي: Ali, Maaz A. (Author)
مؤلفين آخرين: Ahmed, Hussin A. M. (Co-Author)
المجلد/العدد: ع37
محكمة: نعم
الدولة: الأردن
التاريخ الميلادي: 2021
الشهر: تشرين الثاني
الصفحات: 19 - 31
ISSN: 2663-5798
رقم MD: 1435944
نوع المحتوى: بحوث ومقالات
اللغة: الإنجليزية
قواعد المعلومات: EduSearch, HumanIndex
مواضيع:
ظاهرة الخمول الكيميائي | معادن السيليكات | الفصل الكيميائي | المواد الكيميائية | الألياف الزجاجية
كلمات المؤلف المفتاحية:
Pyrophyllite | Upgrading | Low | Grade | Separation | Physical | Chemical
رابط المحتوى:
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المستخلص: Pyrophyllite (Al2Si4O10(OH)2) is a phyllosilicate often associated with quartz, mica, kaolin, epidote, and rutile minerals. In its pure state, pyrophyllite exhibits unique properties such as low thermal and electrical conductivity, high refractive behavior, low expansion coefficient, chemical inertness, and high resistance to corrosion by molten metals and gases. These properties make it desirable in different industries such as refractory, ceramic, fiberglass, cosmetic, paper, plastic, paint, pesticide, fertilizer, rubber, and roofing. Pyrophyllite can also serve as an economical alternative in many industrial applications to different minerals as kaolin, talc, and feldspar. To increase its market value, pyrophyllite must have high alumina (Al2O3) content, remain free of any impurities, and possess as much whiteness as possible. Since high-grade pyrophyllite ores are rare globally, low-quality ores need treatments to be suitable for industry. Several economic techniques have been used to upgrade low-grade pyrophyllite ores, including physical separation techniques, chemical separation techniques, and separation techniques that combine physical and chemical separation. These methods are used based on the characterization results of the pyrophyllite ore and the type of associated gangue minerals. Hence, this study aims to review the economic methods used to upgrade low-grade pyrophyllite ore and discuss its effectiveness besides classifying these methods based on the nature of gangue minerals associated with pyrophyllite.
ISSN: 2663-5798

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