Hayvan Yetiştiriciliğinden Kaynaklanan Kokulu Gazların Arıtımında Biyofiltrelerin Etkinliklerinin İncelenmesi

Yıl 2018, Cilt: 22 Sayı: 2, 459 - 467, 01.04.2018

Edip Avşar , Özgür Uyar Kadir Alp , Asude Hanedar

https://doi.org/10.16984/saufenbilder.340048

Öz

 

Çalışmada büyükbaş ve küçükbaş hayvan yetiştiriciliği ve
kümes hayvancılığı alanlarındaki tesislerden kaynaklanan ve amonyak içeren
kokulu atık gazların biyofiltrelerle arıtılması araştırılmıştır. Biyofiltreler,
düşük enerji gereksinimleri ve ilk kurulum maliyetinin düşüklüğü nedeniyle koku
kontrolünde tercih edilmektedir. Bu amaçla, hayvan barınaklarının aralıklı
havalandırma uygulamasının simüle edilmesi amacıyla kesikli düzenle kurulan
laboratuvar ölçekli reaktörler kullanılmıştır. Konsantre amonyum hidroksit
çözeltileri, hava ile sıyrılarak elde edilen amonyak/hava karışımları seri
bağlı iki adet biyofiltre modülüne beslenmiştir. Filtrelerde dolgu maddesi
olarak evsel katı atıktan üretilmiş kompost ve odun talaşı karışımı
kullanılmıştır. Farklı yükleme oranlarına karşılık amonyağın biyofiltrelerde
aerobik-biyolojik olarak oksidasyon verimi ve bu verimi etkileyen faktörler
incelenmiştir. Aklimasyon dönemi dahil 130 günlük süre içinde 1,32-27 g NH₃/m³.saat
aralığında 8 farklı değerde yükleme yapılmış, ortalama amonyak giderim verimi %
97,2±1,8 olarak bulunmuştur.

Anahtar Kelimeler

amonyak; biyofiltre; hayvan besiciliği; koku

Investigation of the Treatment Efficiency of Biofilters In Terms of Odorous Gases Originated from Animal Breeding

Öz

In the study, treatment of odorous waste gases emited from the cattle and sheep breeding facilities and

poultry farms which containing ammonia were investigated by means of biofilters. Biofilters are preferred

for odor control due to their low energy requirement and capital cost. For this purpose, bench scale batch

reactors, were used to simulate the intermittent ventilation of animal barns. Ammonia/air mixtures used as

pollution source were obtained by stripping the concentrated ammonium hydroxide via air and fed to two

serially connected biofilter modules. Compost produced from domestic solid waste and sawdust mixture

was used as a packing material in the filters. Factors affecting aerobic-biologic oxidation of ammonia in

biofilters were investigated for different loading rates. During the 130 days which including the acclimation period, 8 different loads were loaded in the range of 1.32-27 g NH3/m3.h and the average ammonia removal rate was found as 97.2% ± 1.8.

Anahtar Kelimeler

ammonia, biofilter, animal breeding, odor

Kaynakça

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