Biyoduvar sistemlerinde yeraltı suyundan nitrat gideriminde tarımsal atıkların kullanım potansiyelinin araştırılması

Öz

Giriş ve Hedefler Bu çalışmada, biyoduvar (biowall) sistemi kullanılarak kirlenmiş yeraltı sularındaki nitrat kirliliğinin gideriminin sağlanması amacıyla laboratuvar koşullarında muz sapı, kestane kabuğu, pirinç çeltiği gibi organik atıklardan oluşan, belirli çaplarda hazırlanmış malzemeler kullanılmıştır. Yöntemler Laboratuvar çalışmaları kapsamında, organik materyallerin karbon salınımı seviyeleri belirlenmiş ve reaktör sistemi ile nitrat giderim verimleri incelenmiştir. Reaksiyon süresinin denitrifikasyon üzerindeki etkisi değerlendirilmiştir. Bulgular Tüm reaktifler için en yüksek giderim veriminin 330. saat sonunda elde edildiği gözlemlenmiştir. Deneysel sonuçlara göre en yüksek nitrat gideri verimleri muz sapı için %93, kestane kabuğu için %52 ve pirinç çeltiği için %98 olarak belirlenmiştir. Sonuçlar Elde edilen bulgular, organik materyallerin geçirgen reaktif bariyer sistemlerinde alternatif karbon kaynağı olarak kullanılabileceğini göstermiştir.

Anahtar Kelimeler

• Biyoduvar
• denitrifikasyon
• nitrat giderimi
• organik atık
• yeraltı suyu

Destekleyen Kurum

Ondokuz Mayıs Üniversitesi

Proje Numarası

PYO.MUH.1904.1001.010

Etik Beyan

Bu çalışmada yer alan tüm yöntemler, ilgili etik kurulların yönergelerine uygun olarak gerçekleştirilmiştir.Yazarlar, bu çalışmanın hazırlanması ve yayımlanması sürecinde herhangi bir çıkar çatışması bulunmadığını beyan eder. Ayrıca, çalışmada kullanılan tüm veri ve materyallerin bilimsel etik kurallara uygun şekilde elde edildiği ve kullanıldığı taahhüt edilmektedir.

Teşekkür

Bu çalışma, Ondokuz Mayıs Üniversitesi tarafından desteklenen bir proje kapsamında gerçekleştirilmiştir. Sağladıkları katkı ve destekten dolayı Ondokuz Mayıs Üniversitesi’ne teşekkür ederiz.

Investigation of potential use of agricultural wastes for nitrate removal from groundwater in biowall systems

Öz

Background and Aims In this study, the performance of some organic residues that can be used in biowall systems for the removal of nitrate pollution commonly observed in groundwater was investigated. In laboratory-scale experiments, banana pseudostem, chestnut shell and rice husk were used as reactive materials in the biowall system. Methods Organic materials were used as a carbon source to for the denitrifying bacteria to remove nitrate from solution. Batch reactor experiments were conducted to evaluate the effect of retention time on nitrate removal efficiency. Results The highest removal efficiencies were obtained after 330 hours. According to the results, nitrate removal efficiencies were 93% for banana pseudostem, 52% for chestnut shell, and 98% for rice husk. Conclusion The results indicate that organic wastes can be used as alternative filling materials in permeable reactive barrier systems.

Anahtar Kelimeler

• Biowall
• denitrification
• groundwater
• nitrate removal
• organic waste

Destekleyen Kurum

Ondokuz Mayıs University

Proje Numarası

PYO.MUH.1904.1001.010

Etik Beyan

All methods used in this study were conducted in accordance with the guidelines of the relevant ethics committees. The authors declare that there is no conflict of interest regarding the preparation and publication of this study. Furthermore, it is affirmed that all data and materials used in this study were obtained and utilized in compliance with scientific ethical standards.

Teşekkür

This study was carried out within the scope of the project numbered PYO.MUH.1904.1001.010, supported by Ondokuz Mayıs University. The authors would like to express their sincere gratitude to Ondokuz Mayıs University for their valuable support and contributions.

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