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Register a new userThe study of the conditions needed to transform the wastes emerged by granite sawmills to the glassystate
دراسة الشروط اللازمة لتحويل النفايات الناتجة عن مناشر الغرانيت إلى الحالة الزجاجية
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Added by
Tishreen University ورقة بحثية
Publication date
2017
fields
Chemistry
and research's language is
العربية
Created by
Shamra Editor
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تهدف الدراسة الى إمكانية استخدام نفاية الغرانيت الناتجة عن نشر الغرانيت في سوريا، و التي تعد ذات تأثير سلبي على البيئة إذ تلوث الهواء و الماء و التربة و بالتالي تؤثر على الانسان و الحيوان و النبات. لقد حدد التركيب الكيميائي لنفاية الغرانيت و تبين أنه مشابه للتركيب الكيميائي للزجاج لذا قمنا في هذا العمل بتحويل النفاية الناتجة عن مناشر الغرانيت الى الطور الزجاجي. تم تحضير الأطوار الزجاجية بطريقتين الأولى بإضافة رمل و كربونات الصوديوم و الثانية بإضافة بوراكس و كربونات الصوديوم و تمت المعالجة الحرارية عند درجة حرارة (900-1000) درجة مئوية . تم التأكد من الحصول على الطور الزجاجي من خلال قياس XRD للعينات الناتجة و تم تحديد التركيب الكيميائي للزجاج الناتج بطريقة الصهارة القلوية ثم إجراء التحاليل الكيميائية اللازمة لتحديد نسبة الأكاسيد للعناصر، و في المرحلة الثانية من العمل تم إجراء اختبارات على الزجاج الناتج (كثافته و مقاومته للحموض و الأسس). لوحظ نقصان الكثافة بزيادة نسبة السيليكا و أكسيد الصوديوم و أكسيد البور، و لوحظ زيادة المقاومة للحموض و الأسس بزيادة نسبة السيليكا و أكسيد الصوديوم، بينما عند إضافة البور نتج زجاج قليل المقاومة للحموض و الأسس.
This study ains for the ability of using granite waste emerged by sawing granite in Syria, which is considered as a negative effect on the environment , which pollutes the air , people, animal and planit. The chemical composition of granite waste was defined and it was clear that it is same as the chemical composition of glass . so we did this work by transforming the waste caused by granite sawmills to the glassy state. The preparation for the glassy states were done py two methods , the first by adding sand and sodium carbonate and second by adding borax and sodum cab ronate and the heattreatment was done at (900-1000 c) . The assurance of getting the glassy state through the XRD measure to the resulted samples was done . and the chemical composition of glass resulted by alkaline melting way was identified , then doing the chemical analyses needed to signify the percentage of oxides of the elements and in the second step of the worke , they have made tests on the resulted glass (its intensity, its resistance of acids and bases ). The decrease of intensity was noticed by the increase of silica concentration , sodium oxide and borates oxide , and it was noticed the increase of the resistance to the acids and alkalis by the increase of silica concentration and sodium oxide , but through adding the borates, the result was a glass less resistant to the acids and bases .
References used
Gapriela.P.R ; Catalin.S.E ;Ramona.M.V , Study on the impact of granite exploitation on the environment, AdvanesinEnvironment , Brazil ,2004
Silva.M.T ; Hermo.B.S;Rodeja.E.G, , Utitization of granite and marble sawing powder wastes as braiials, Carpathian Journal of Earth and Environmental Sciences , India , Vol. 4, No. 2, p. 147 - 160 , October 2009
Olusegun.O ; Adenigi.A ; Adeola.G , Impact of granite quarrging on the health of workers and nearby residenrs in Abeokuta organ state Nigeria , Ethiopian journal of environmental studies and management , Nigeria , Vol .2No.1 , 2009
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