Mechanical properties of geopolymer mortars produced with fly ash and various ceramic industry wastes

Ayşe Eser; Zahide Bayer Oztürk; İsmail İsa Atabey; Serhat Çelikten

Article Details

Mechanical properties of geopolymer mortars produced with fly ash and various ceramic industry wastes

Authors:

Ayşe Eser | Zahide Bayer Oztürk | İsmail İsa Atabey | Serhat Çelikten

Publisher:

Nigde Omer Halisdemir University

Main Topics:

Yapı Malzemeleri

Journal:

Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.13 Issue 2, pp.550-557

Document Type:

Article

Publication Date:

4/2024

Document Language:

Turkish

Document ID (Org No.):

2001315346

pISSN:

2564-6605

Keywords:

Abstract:

 The ceramic industry holds a considerable position in Turkeys economy, with our country emerging as a frontrunner in the manufacturing of ceramic coating materials and sanitaryware. Pottery products form another distinct branch of ceramic production. The disposal of defective products in the industry leads to the generation of waste, causing environmental pollution and presenting challenges in terms of storage and disposal. Considering the substantial volume of waste produced, it becomes imperative to explore diverse avenues for the effective utilization of the sectors waste. The mechanical properties of geopolymer mortars produced by using ceramic tile factory filter-press cake, sanitaryware, and pottery wastes with and without fly ash with different activators were examined in this study. The mortar mixtures with a liquidbinder ratio of 0.40, incorporating NaOH and Na2SiO3, were subjected to thermal curing at 90ºC for 24 hours. 7 and 28-day flexural and compressive strength tests were applied to the samples. The flexural strengths of mortars produced with Na2SiO3 for 28 days were found to be in the range of 4.4 MPa-11 MPa, while those produced with NaOH ranged from 3.4 to 7.6 MPa. The compressive strengths of ceramic waste binary mixtures and fly ash ternary mixtures surpassed values of 30 MPa. The study demonstrates that ceramic industry wastes can be effectively employed in geopolymer production.

 The ceramic industry holds a considerable position in Turkeys economy, with our country emerging as a frontrunner in the manufacturing of ceramic coating materials and sanitaryware. Pottery products form another distinct branch of ceramic production. The disposal of defective products in the industry leads to the generation of waste, causing environmental pollution and presenting challenges in terms of storage and disposal. Considering the substantial volume of waste produced, it becomes imperative to explore diverse avenues for the effective utilization of the sectors waste. The mechanical properties of geopolymer mortars produced by using ceramic tile factory filter-press cake, sanitaryware, and pottery wastes with and without fly ash with different activators were examined in this study. The mortar mixtures with a liquidbinder ratio of 0.40, incorporating NaOH and Na2SiO3, were subjected to thermal curing at 90ºC for 24 hours. 7 and 28-day flexural and compressive strength tests were applied to the samples. The flexural strengths of mortars produced with Na2SiO3 for 28 days were found to be in the range of 4.4 MPa-11 MPa, while those produced with NaOH ranged from 3.4 to 7.6 MPa. The compressive strengths of ceramic waste binary mixtures and fly ash ternary mixtures surpassed values of 30 MPa. The study demonstrates that ceramic industry wastes can be effectively employed in geopolymer production.

 The ceramic industry holds a considerable position in Turkeys economy, with our country emerging as a frontrunner in the manufacturing of ceramic coating materials and sanitaryware. Pottery products form another distinct branch of ceramic production. The disposal of defective products in the industry leads to the generation of waste, causing environmental pollution and presenting challenges in terms of storage and disposal. Considering the substantial volume of waste produced, it becomes imperative to explore diverse avenues for the effective utilization of the sectors waste. The mechanical properties of geopolymer mortars produced by using ceramic tile factory filter-press cake, sanitaryware, and pottery wastes with and without fly ash with different activators were examined in this study. The mortar mixtures with a liquidbinder ratio of 0.40, incorporating NaOH and Na2SiO3, were subjected to thermal curing at 90ºC for 24 hours. 7 and 28-day flexural and compressive strength tests were applied to the samples. The flexural strengths of mortars produced with Na2SiO3 for 28 days were found to be in the range of 4.4 MPa-11 MPa, while those produced with NaOH ranged from 3.4 to 7.6 MPa. The compressive strengths of ceramic waste binary mixtures and fly ash ternary mixtures surpassed values of 30 MPa. The study demonstrates that ceramic industry wastes can be effectively employed in geopolymer production.

 Türkiyede seramik sektörü, ekonomik anlamda önemli bir paya sahip olup, ülkemiz seramik kaplama malzemeleri ve vitrifiye üretiminde lider konumdadır. Çanak-çömlek ürünleri seramik üretiminin bir başka kolunu oluşturmaktadır. Ancak, ilgili sektörde ıskartaya ayrılan hatalı ürünlerden kaynaklanan atıkların oluşması çevre kirliliği, depolama, tozlaşma sorunlarını beraberinde getirmekte ve atık üretim miktarı dikkate alındığında sektör atıklarının farklı alanlarda değerlendirilmesini zorunlu kılmaktadır. Bu çalışmada, seramik-karo fabrikası filtre-pres keki, vitrifiye ve çömlek atığının, farklı aktivatörlerle uçucu kül ile ve kül olmadan üretilen geopolimer harçların mekanik özellikleri incelenmiştir. Sıvıbağlayıcı oranı 0.40 olan, NaOH ve Na2SiO3 içeren harç karışımları 24 saat boyunca 90ºC sıcaklıkta ısıl küre tabi tutulmuştur. Numunelere 7, 28 günlük eğilme ve basınç dayanımı deneyleri uygulanmıştır. 28 günlük Na2SiO3 ile üretilen harçların eğilme dayanımlarının 4.4 MPa-11 MPa, NaOH ile üretilen harçların 3.4-7.6 MPa aralığında olduğu tespit edilmiştir. Basınç dayanımlarında ise seramik atıklarının ikili ve uçucu küllü üçlü karışımlarının 30 MPadan yüksek değerlere ulaştığı belirlenmiştir. Çalışma seramik sektörü atıklarının geopolimer üretiminde başarıyla değerlendirilebileceğini ortaya koymaktadır.

Article Details

Mechanical properties of geopolymer mortars produced with fly ash and various ceramic industry wastes

Authors:

Ayşe Eser | Zahide Bayer Oztürk | İsmail İsa Atabey | Serhat Çelikten

Publisher:

Nigde Omer Halisdemir University

Main Topics:

Yapı Malzemeleri

Journal:

Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.13 Issue 2, pp.550-557

Document Type:

Article

Publication Date:

4/2024

Document Language:

Turkish

Document ID (Org No.):

2001315346

pISSN:

2564-6605

Ceramic industry

Fly ash

Gepolymer

Mechanical propertiesSeramik sektörü

Uçucu kül

Geopolimer

Mekanik özellikler.

Issues

Article Details

Authors: Ayşe Eser | Zahide Bayer Oztürk | İsmail İsa Atabey | Serhat Çelikten

Publisher: Nigde Omer Halisdemir University

Main Topics: Yapı Malzemeleri

Journal: Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.13 Issue 2, pp.550-557

Document Type: Article

Publication Date: 4/2024

Document Language: Turkish

Document ID (Org No.): 2001315346

pISSN: 2564-6605

Issues

Authors:

Ayşe Eser | Zahide Bayer Oztürk | İsmail İsa Atabey | Serhat Çelikten

Publisher:

Nigde Omer Halisdemir University

Main Topics:

Yapı Malzemeleri

Journal:

Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi Vol.13 Issue 2, pp.550-557

Document Type:

Article

Publication Date:

4/2024

Document Language:

Turkish

Document ID (Org No.):

2001315346

pISSN:

2564-6605