Development and Optimization of a Sustainable Process Assisted by Microwave Energy to Dye Cellulosic Fabrics by Juglans regia Barks Residues Extract

Nourhene Slama, Manel Ben Ticha, Wiem Skhiri, Chedly Boudokhane and Hatem Dhaouadi
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Nourhene Slama: Research Laboratory-Environmental Chemistry and Clean Processes (LR21ES04), Faculty of Sciences of Monastir, University of Monastir, Monastir 5000, Tunisia
Manel Ben Ticha: Department of Early Childhood, University College of Turabah, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Wiem Skhiri: Research Laboratory-Environmental Chemistry and Clean Processes (LR21ES04), Faculty of Sciences of Monastir, University of Monastir, Monastir 5000, Tunisia
Chedly Boudokhane: Research Laboratory-Environmental Chemistry and Clean Processes (LR21ES04), Faculty of Sciences of Monastir, University of Monastir, Monastir 5000, Tunisia
Hatem Dhaouadi: Research Laboratory-Environmental Chemistry and Clean Processes (LR21ES04), Faculty of Sciences of Monastir, University of Monastir, Monastir 5000, Tunisia

Sustainability, 2022, vol. 14, issue 13, 1-15

Abstract: Juglans regia barks contain a diversity of phenolic compounds. Two of the most important groups of phenolic compounds are tannins, and flavonoids. These latter, possess different antioxidant, anti-inflammatory, and antibacterial properties. This paper explores the usefulness of dyeing cellulosic fabrics, namely cotton, with Juglans regia barks residues extract. The dyeing process proposed was assisted by microwave energy. The impact of the main dyeing conditions (percentage of cationizing agent, pH, dyeing duration, and microwave power) on the color strength (K/S) and the L*, a*, b*, C*, and h* coordinates were studied. Optimization experiments were carried out using a definitive screening type plan (MINITAB 19). It was found that the best conditions to achieve the dyeing of cellulosic fabrics were: a pH of 6.23; a percentage of cationizing agent of 6.5%; a microwave power of 690 W, and a dyeing duration of 4.5 min.

Keywords: optimization; natural dyeing; Juglans regia; cellulosic fabrics; antioxidant activity; cationization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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