Waste Carbon Felt Polymerization with Pyrrole and Usability as Cath-ode

Year 2023, Volume: 9 Issue: 4, 981 - 989, 22.12.2023

Mesut Sezer , Melike İşgören , Sevil Veli , Anatoli Dimoglo

https://doi.org/10.28979/jarnas.1310230

Abstract

Electrochemical processes are widely used because they can remove the mixed pollutant load in wastewater in a single step and provide high removal efficiency in a short time. In recent years, the techno-logical developments related to these treatment methods have been in the field of innovative electrode production. Researchers are striving to increase anode and cathode activity. Another goal of these studies is to produce electrodes from easy-to-obtain, cheap and sustainable raw materials that can be an alternative to metals that are most used in electrode production and whose ratios are decreasing day by day in the earth's crust. In this study, polypyrrole (PPy) coated carbon felt was obtained by polymerizing pyrrole monomer with FeCl3.6H2O oxidant on carbon felt (KK) using the chemical oxidative polymerization meth-od (KK/PPy). The obtained KK/PPy and KK were investigated through dye removal in the electrooxidation process. The effects of pyrrole concentration (0.05-1 M), oxidant concentration (0.05-0.5 M), and temper-ature (5-600C) on the mass increase and resistance decrease of the cathode were investigated. The best polymerization conditions were found to be 0.2 M pyrrole concentration, 0.3 M FeCl3.6H2O concentration, and temperature 500C. KK/PPy produced under optimum conditions and untreated KK were used as cath-odes in the electrooxidation process and their activities were compared. It was seen that KK/PPy was more effective in dye removal. In addition, the production of electrode material from waste, which is generated from textile is an innovative approach that serves the principle of protecting the natural resources as a sustainable method.

Keywords

Electrooxidation, conductive polymers, polypyrol, carbone felt, chemical oxidative polymerization.

Project Number

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Atık Karbon Keçenin Pirol ile Polimerizasyonu ve Katot Olarak Kullanılabilirliği

Abstract

Elektrokimyasal prosesler, atıksudaki karışık kirletici yükünü tek basamakta arıtabilmeleri ve kısa sürede yüksek giderim verimi sağlamaları nedeniyle yaygın olarak kullanılmaktadır. Son yıllarda bu arıtım yön-temleri ile ilgili en hızlı teknolojik gelişmeler yenilikçi elektrot üretimi alanında olup, birçok araştırmacı anot ve katot aktivitesini arttırmayı amaçlayan çalışmalar yapmaktadır. Bu çalışmaların bir diğer hedefi ise elektrot üretiminde en çok kullanılan ve yerkabuğundaki oranları her geçen gün azalan metallere alternatif olabilecek; elde edilmesi kolay, ucuz ve sürdürülebilir hammaddelerden elektrot eldesidir. Çalışmamızda kimyasal oksidatif polimerizasyon yöntemi kullanılarak atık karbon keçe (KK) üzerinde pirol monomeri-nin FeCl3.6H2O oksidantı ile polimerizyonu yapılmıştır. Polimerizasyon sonucunda polipirol kaplı karbon keçe (KK/PPy) elde edilmiştir. KK/PPy ve KK’nın elektrot olarak etkinliği elektrooksidasyon prosesinde boya giderimi üzerinden araştırılmıştır. Ayrıca pirol konsantrasyonu (0.05-1 M), oksidant konsantrasyonu (0.05-0.5 M) ve sıcaklığın (5-600C) katodun kütlesel artışı ve direnç azalışı üzerine etkisi incelenmiştir. En yüksek direnç azalışını sağlayan polimerizasyon koşulları 0.2 M pirol konsantrasyonu, 0.3 M FeCl3.6H2O konsantrasyonu ve sıcaklık 50C olarak bulunmuştur. Optimum koşullarda üretilen KK/PPy ve işlem gör-memiş KK elektrooksidasyon prosesinde katot olarak kullanılarak aktiviteleri birbiri ile karşılaştırılmış ve boya gideriminde KK/PPy’nin daha etkili olduğu görülmüştür. Ayrıca tekstil atığı olarak ortaya çıkan atık karbon keçeden elektrot malzemesi üretilmesi sürdürülebilir bir yötem olarak çevrenin ve doğal kaynakla-rın korunması ilkesine hizmet eden yenilikçi bir yaklaşımdır.

Keywords

Elektrooksidasyon, iletken polimerler, karbon keçe, kimyasal oksidatif polimerizasyon, polipirol

Supporting Institution

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Project Number

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Thanks

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