Effects of utilizing olive pits and waste melamine-impregnated paper in particleboard manufacturing on board properties

Öz

The demand for wood and wood-based products continues to rise steadily with the growth of the global population. Medium-density fiberboard (MDF), particleboard, and oriented strand board (OSB) are among the most sought-after materials. This increasing demand necessitates the more rational and sustainable utilization of forest resources. This study aimed to investigate the effects of replacing core layer particles with olive pit residues in particleboard production on the boards’ physical properties. Additionally, waste melamine-impregnated paper (MIP), a by-product of the wood-based panel industry, was evaluated as an adhesive to determine its impact when combined with olive pits in particleboard production. Olive pits were incorporated into the core layer in five different proportions, and MIP was used exclusively as an adhesive at a fixed ratio of 25%. The particleboards' physical and mechanical properties were analyzed per the relevant TS EN standards. The results indicated that while the incorporation of olive pit residues improved the physical properties of the boards, a decline in their mechanical properties was observed. Consequently, it was concluded that blending olive pit residues with conventional core layer particles would be a more suitable approach rather than using them as a sole replacement.

Anahtar Kelimeler

• Olive pit
• MIP waste
• Particleboard
• Physical properties

Yongalevha üretiminde zeytin çekirdeği ve atık melamin emdirilmiş kağıt kullanımının levha özellikleri üzerine etkilerinin belirlenmesi

Öz

Dünya nüfusunun artmasıyla birlikte ahşap ve ahşap bazlı ürünlere olan ilgi ve ihtiyaç gün geçtikçe artmaktadır. Artan ihtiyaçlar doğrultusunda en çok talep gören ürünlerin başında orta yoğunluklu lif levha (MDF), yonga levha ve yönlendirilmiş yonga levha (OSB) en çok aranan malzemeler arasındadır. Artan bu talepler orman kaynaklarının daha akılcı ve sürdürülebilir kullanımını gerekli kılmaktadır. Bu çalışmada, yonga levha üretiminde çekirdek katman parçacıklarının zeytin çekirdeği artıkları ile değiştirilmesinin levhaların fiziksel özellikleri üzerine etkilerinin incelenmesi amaçlanmıştır. Bunun yanı sıra yine bir ahşap bazlı levha sektörü üretim atığı olan atık melamin emdirilmiş kağıtları (MEK) çalışma kapsamında tutkal olarak değerlendirilerek zeytin çekirdeği ile birlikte yonga levha üretiminde kullanılmasının etkileri araştırılmıştır. Çekirdek tabakasına beş ayrı oranda zeytin çekirdekleri katılmış, yapıştırıcı olarak sadece atık MEK sabit %25 oranında kullanılmıştır. Yonga levhaların fiziksel ve mekanik özellikleri ilgili TS EN standartlarına göre analiz edilmiştir. Çalışmanın çıktısı olarak zeytin çekirdeği atıklarının kullanımı ile levhaların fiziksel özelikleri iyileşirken mekanik özelliklerinde azalmalar söz konusu olmuştur. Sonuç olarak sadece zeytin çekirdeği atıkları orta tabaka yongası olarak kullanılması yerine orta tabaka yongaları ile belirli oranlarda karıştırılarak kullanılmasının daha uygun olacağı kanaatine varılmıştır.

Anahtar Kelimeler

• Zeytin çekirdeği
• MEK atığı
• Yongalevha
• Fiziksel özellikler

Kaynakça

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