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  2. Volume 14, Issue 3
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ISSN: 1813-0410

Volume14, Issue3

A kinetic & Thermodynamic study of carthmus tinctorious & nigrocine dyes from aqueous solution by modified montmorilonite

    Wasan K. Hasan

journal of kerbala university, 2018, Volume 14, Issue 3, Pages 39-46

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Abstract

The results of this work included the study of the adsorption of carthmus tinctorious & nigrocine dyes from its water solutions on the modified montmorilonite surface using UV spectroscopy. The results showed that the isotherms of dyes are similar to the Giles classification type (S1,L3) also study of the temperature change within the experimental range (303-333K) in the process of adsorption of dyes on the surface of the clay, and carried out the study of adsorption of the dye (carthmus tinctorious) it decreased by increasing the temperature while the dye (nigrocine) increase by increasing the temperature, and study the effect of acidity on the capacity Adsorption and the thermodynamic functions were calculated to process of adsorption, containing Gypsum free energy and Entropy and Enthalpyتضمن موضوع البحث دراسة ايزوثيرمات الامتزاز لصبغتي (carthmus tinctorious & nigrocine) من محاليلها المائيه على سطح المونتموريلونايت المعدل باستعمال مطياف الاشعه المرئيه-فوق البنفسجيه , وضحت النتائج ان ايزوثيرمات الصبغات مشابهه لايزوثيرمات فرندلش من نوع (S1,L3)وفق تصنيف جيلز , كما درس تاثير تغير درجة الحراره ضمن المدى التجريبي (303-333K) في عملية امتزاز الصبغات على سطح الطين , واجري دراسة امتزاز صبغة(carthmus tinctorious) انها تقل بزيادة درجة الحراره بينما صبغة (nigrocine) تزداد بزيادة درجة الحراره , كما تمت دراسة تاثير الداله الحامضيه على سعة الامتزاز وتم حساب الدوال الثرموديناميكيه لعملية الامتزاز والمتضمنه طاقة جبس الحره والانتروبي والانثالبي .
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(2018). A kinetic & Thermodynamic study of carthmus tinctorious & nigrocine dyes from aqueous solution by modified montmorilonite. journal of kerbala university, 14(3), 39-46.
Wasan K. Hasan . "A kinetic & Thermodynamic study of carthmus tinctorious & nigrocine dyes from aqueous solution by modified montmorilonite". journal of kerbala university, 14, 3, 2018, 39-46.
(2018). 'A kinetic & Thermodynamic study of carthmus tinctorious & nigrocine dyes from aqueous solution by modified montmorilonite', journal of kerbala university, 14(3), pp. 39-46.
A kinetic & Thermodynamic study of carthmus tinctorious & nigrocine dyes from aqueous solution by modified montmorilonite. journal of kerbala university, 2018; 14(3): 39-46.
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Publisher: Kerbala University

Email:  Journal@uokerbala.edu.iq

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