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AuthorAshkanani A.
AuthorAlmomani F.
AuthorKhraisheh M.
AuthorBhosale R.
AuthorTawalbeh M.
AuthorAlJaml K.
Available date2020-04-01T06:59:43Z
Publication Date2019
Publication NameScience of the Total Environment
ResourceScopus
ISSN489697
URIhttp://dx.doi.org/10.1016/j.scitotenv.2019.07.231
URIhttp://hdl.handle.net/10576/13688
AbstractThis study investigates the impact of bio-carriers' surface area and shape, wastewater chemistry and operating temperature on ammonia removal from real wastewater effluents using Moving bed biofilm reactors (MBBRs) operated with three different AnoxKaldness bio-carriers (K3, K5, and M). The study concludes the surface area loading rate, specific surface area, and shape of bio-carrier affect ammonia removal under real conditions. MBBR kinetics and sensitivity for temperature changes were affected by bio-carrier type. High surface area bio-carriers resulted in low ammonia removal and bio-carrier clogging. Significant ammonia removals of 1.420 ± 0.06 and 1.103 ± 0.06 g − N/m2. d were achieved by K3(As = 500 m2/m3) at 35 and 20 °C, respectively. Lower removals were obtained by high surface area bio-carrier K5 (1.123 ± 0.06 and 0.920 ± 0.06 g − N/m2. d) and M (0.456 ± 0.05 and 0.295 ± 0.05 g − N/m2. d) at 35 and 20 °C, respectively. Theta model successfully represents ammonia removal kinetics with θ values of 1.12, 1.06 and 1.13 for bio-carrier K3, K5 and M respectively. MBBR technology is a feasible choice for treatment of real wastewater effluents containing high ammonia concentrations.
SponsorThe authors gratefully acknowledge the financial support provided by the Qatar University Internal Grant ( QUUG-CENG-CHE-14\15-11 ).
Languageen
PublisherElsevier B.V.
SubjectBiofilm growth
Clogging
Nitrification
Organic loading
Performance
Secondary effluents
Total nitrogen
TitleBio-carrier and operating temperature effect on ammonia removal from secondary wastewater effluents using moving bed biofilm reactor (MBBR)
TypeArticle
Volume Number693
dc.accessType Abstract Only


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