Adsorption and Photocatalytic Decomposition of the β-Blocker Metoprolol in Aqueous Titanium Dioxide Suspensions : Kinetics, Intermediates, and Degradation Pathways
المؤلفون المشاركون
Esplugas, Santiago
Romero, Violette
Giménez, Jaime
Marco, Pilar
المصدر
International Journal of Photoenergy
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-12-22
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
This study reports the photocatalytic degradation of the β-blocker metoprolol (MET) using TiO2 suspended as catalyst.
A series of photoexperiments were carried out by a UV lamp, emitting in the 250–400 nm range, providing information about the absorption of radiation in the photoreactor wall.
The influence of the radiation wavelength on the MET photooxidation rate was investigated using a filter cutting out wavelengths shorter than 280 nm.
Effects of photolysis and adsorption at different initial pH were studied to evaluate noncatalytic degradation for this pharmaceutical.
MET adsorption onto titania was fitted to two-parameter Langmuir isotherm.
From adsorption results it appears that the photocatalytic degradation can occur mainly on the surface of TiO2.
MET removed by photocatalysis was 100% conditions within 300 min, while only 26% was achieved by photolysis at the same time.
TiO2 photocatalysis degradation of MET in the first stage of the reaction followed approximately a pseudo-first-order model.
The major reaction intermediates were identified by LC/MS analysis such as 3-(propan-2-ylamino)propane-1,2-diol or 3-aminoprop-1-en-2-ol.
Based on the identified intermediates, a photocatalytic degradation pathway was proposed, including the cleavage of side chain and the hydroxylation addition to the parent compounds.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Romero, Violette& Marco, Pilar& Giménez, Jaime& Esplugas, Santiago. 2013. Adsorption and Photocatalytic Decomposition of the β-Blocker Metoprolol in Aqueous Titanium Dioxide Suspensions : Kinetics, Intermediates, and Degradation Pathways. International Journal of Photoenergy،Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-448805
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Romero, Violette…[et al.]. Adsorption and Photocatalytic Decomposition of the β-Blocker Metoprolol in Aqueous Titanium Dioxide Suspensions : Kinetics, Intermediates, and Degradation Pathways. International Journal of Photoenergy No. 2013 (2013), pp.1-10.
https://search.emarefa.net/detail/BIM-448805
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Romero, Violette& Marco, Pilar& Giménez, Jaime& Esplugas, Santiago. Adsorption and Photocatalytic Decomposition of the β-Blocker Metoprolol in Aqueous Titanium Dioxide Suspensions : Kinetics, Intermediates, and Degradation Pathways. International Journal of Photoenergy. 2013. Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-448805
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-448805
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر