17th International Fiber and Polymer Research Symposium

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Tekstil endüstrisinde kullanılan atık durumundaki haşıllı denim üstüpü ve haşıllı non-denim üstüpü ipliklerin farklı sıcaklıklarda karbonizasyonunun incelenmesi

Authors :

Yunus Önal¹ Dilek Şarapnal² Furkan Matur³

1- İnönü Üniversitesi 2- ÇALIK DENIM 3- İnönü Üniversitesi

Keywords :

Textile Waste،Carbonization،Biochar،Sustainability،Recycling

Abstract :

Textile products become waste after the completion of the production process and consumer use. Annually, 40 million tons of clothing and textile waste are generated worldwide. Today, there are a number of methods for disposal and recycling of waste; recycling of waste is divided into upcycle and downcycle according to the value of the product the waste is transformed into. One of these is upcycle, which allows the waste to gain a higher value than its own value, and the other is downcycle, which creates a product below the value of the waste. In the downcycle method, waste is converted into lower quality textile products or directly burned to obtain energy, but the greenhouse gas emissions released as a result of burning pollute the atmosphere. Carbonization, a process that supports the upcycle method, results in the structural changes of waste materials by molecularly breaking down at high temperatures and inert gas environments. The resulting product is called biochar or carbonized solid. In addition to its use as fuel, it has many areas of use. In this study, carbonized solids were obtained by carbonizing sized denim and non-denim warp waste at 500 °C and 800 °C. Carbonization efficiency and calorific values were calculated, and elemental analyses as well as scanning electron microscope (SEM) analysis were performed on raw materials and carbonized solid products. The best efficiency in the carbonization process was obtained at 500 °C. While 4040.4 cal/g of energy was released when the sized denim warp waste was burned directly, 7725.61 cal/g was obtained when it was burned after carbonization. While 3986.3 cal/g was obtained when the sized non-denim warp waste was burned directly, 7690.79 cal/g was obtained when the carbonized solid was burned. It was determined that converting it to carbonized solid and using it as fuel instead of burning it directly was 75% more profitable in terms of energy.