Fabrication of the Polyvinylidene fluoride (PVDF) Nanofibers Membranes Via Electrospinning Technique for Oil Removal
DOI:
https://doi.org/10.31272/jeasd.2012الكلمات المفتاحية:
Electrospun nanofibers، Oil emulsion، Oil rejection، Permeate flux، Polymeric membrane، Polyvinylidene fluoride polymerالملخص
الملخص: في حالة وجود الزيت على شكل مستحلب ، فإن معالجة المياه العادمة الزيتية مهمة صعبة ومعقدة. تم استخدام طريقة الغزل الكهربائي في هذا البحث لتحضير أغشية فلوريد البولي فينيلدين النانوية (PVDF) بتركيزات مختلفة (10٪ ، 12٪ ، 14٪). تم تقييم أداء هذه الأغشية في إزالة الزيت لتحديد قدرتها على تحقيق هدفين رئيسيين: زيادة تدفق النفاذية ورفض الزيت. تم تمييز الأغشية المصنعة باستخدام المجهر الإلكتروني لمسح الانبعاث الميداني (FESEM) واستخدم لتحليل بنية السطح والتشكل ، وتم استخدام مجهر القوة الذرية (AFM) لفحص تضاريس أسطح الغشاء. تم تحديد زاوية ملامسة الماء وقابلية البلل باستخدام أداة قياس زاوية التلامس ، في حين تم تقييم مساميتهم بطريقة الجاذبية. تم استخدام برنامج ( Image J ) لحساب متوسط قطر الألياف النانوية للاغشية المحضرة. توضح الدراسة أن زيادة تركيز المحاليل الأولية PVDF / DMF تؤدي إلى زيادة متوسط قطر الألياف النانوية للأغشية ، والتي تراوحت من 175 إلى 400 نانومتر. بالإضافة إلى ذلك ، زاد متوسط خشونة سطح الأغشية (Ra) من 171 إلى 279 نانومتر ، وزادت زاوية التلامس من 81 درجة إلى 135 درجة ، مما يعني أن غشاء الألياف النانوية القائم على PVDF بنسبة 14 ٪ له خصائص كارهه للماء متأصلة في طبيعته. كان لهذه الاختلافات تأثير إيجابي على كفاءة الغشاء ، كما يتضح من زيادة تدفق النفاذية ومعدل رفض الزيت ، والذي ارتفع من 58 إلى 136 LMH ومن 85.5 إلى 96٪ على التوالي ، مع العلم بانه لم يتم استخدام أي ضغط مطبق على الغشاء .
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التنزيلات
Key Dates
الإستلام
النسخة النهائية
الموافقة
النشر الالكتروني
منشور
إصدار
القسم
الرخصة
الحقوق الفكرية (c) 2025 Thamer Diwan , Zaidun N. Abudi , Mustafa H. Al-Furaiji , Rouhollah Y. Farsani (Author)

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