AĞAÇ İŞLEME ENDÜSTRİSİNDE ATIKSU ARITIM UYGULAMALARININ İNCELENMESİ

Öz

Bu çalışma, ağaç işleme endüstrisinden kaynaklanan atıksuların çevresel etkilerini azaltmak amacıyla kullanılan farklı atıksu arıtma yöntemlerini incelemektedir. Türkiye’de önemli bir yere sahip olan bu sektörde kullanılan kimyasallar ve üretim süreçlerinden kaynaklanan atıksuların özellikleri incelenmiştir. Özellikle üre-formaldehit, melamin-formaldehit ve fenol-formaldehit gibi sentetik reçineler ve ahşap koruyucu maddelerin bu endüstride yaygın kullanımı, atıksu kalitesini olumsuz yönde etkilemektedir. Ağaç işleme endüstrisinin atıksuları, yüksek organik yük, askıda katı madde, lignin ve çeşitli kimyasal/toksik bileşenler içermesi nedeniyle oldukça karmaşık bir yapıya sahiptir. Bu sebeple, bu atıksuların etkin bir şekilde arıtılabilmesi için özel arıtma yöntemlerine ihtiyaç duyulmaktadır. Literatürde ağaç işleme endüstrisi atıksularının arıtımı için farklı yöntemler yer almaktadır. Bu çalışma kapsamında, ağaç işleme endüstrisi atıksularının arıtımında yaygın olarak kullanılan koagülasyon-flokülasyon, membran filtrasyon ve ileri oksidasyon (İOP) yöntemleri incelenmiştir. Literatür taramaları, bu tür atıksuların arıtımında İOP’lerin sıklıkla tercih edildiğini göstermektedir. Ayrıca yüksek askıda katı madde içeren bu atıksularda, koagülasyon-flokülasyon yönteminin etkili bir ön arıtma aşaması olarak kullanılabileceği vurgulanmıştır. Bu çalışma, ağaç işleme endüstrisinden üretilen atıksuların arıtımı konusunda mevcut bilgileri derleyerek, bu alandaki gelecek araştırmalara ışık tutmayı amaçlamaktadır.

Anahtar Kelimeler

• Ağaç İşleme Endüstrisi
• Atıksu Arıtımı
• Koagülasyon-Flokülasyon
• Membran Filtrasyon
• İleri Oksidasyon Prosesleri (İOP’ler)

Review of Wastewater Treatment Applications in the Wood Processing Industry

Öz

This study examines various wastewater treatment methods used to reduce the environmental impacts of wastewater originating from the wood processing industry. The characteristics of wastewater resulting from the chemicals and production processes used in this sector, which holds a significant position in Türkiye, have been investigated. In particular, the widespread use of synthetic resins, such as urea-formaldehyde, melamine-formaldehyde, and phenol-formaldehyde, as well as wood preservatives in this industry, negatively affects wastewater quality. Wood processing industry’s wastewater has a very complex structure, due to its high organic load, suspended solids, lignin, and various chemical/toxic components. Therefore, special treatment methods are required to effectively treat these wastewaters. Different methods are reported in the literature tackling the treatment of wastewater originating from the wood processing industry. Within the scope of this study, coagulation-flocculation, membrane filtration, and advanced oxidation processes (AOPs), commonly used in the treatment of wood processing industry wastewater, have been examined. Literature reviews show that AOPs are frequently preferred for the treatment of such wastewaters. Additionally, it has been emphasized that the coagulation-flocculation method can be used as an effective pre-treatment stage in those wastewaters with high suspended solids content. This study aims to compile the existing information on the treatment of wastewaters produced by the wood processing industry and shed light on future research in this field.

Anahtar Kelimeler

• Wood Processing Industry
• Wastewater Treatment
• Coagulation-Flocculation
• Membrane Filtration
• Advanced Oxidation Processes (AOP’s)

Kaynakça

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