Jeong, Sanghyun Bae, Hyokwan Naidu, Gayathri Jeong, Dawoon Lee, Seockheon Vigneswaran, Saravanamuthu 2024-01-20T11:03:55Z 2024-01-20T11:03:55Z 2021-09-05 2013-11 0925-8574 https://pubs.kist.re.kr/handle/201004/127475 In this study, two biofilters with different media, anthracite and granular activated carbon (GAC), were used to pre-treat seawater for desalination. Both biofilters had the same operating conditions that lasted for 75 days. The bacterial community structures in the filter media were studied during the biofilters' operation using terminal restriction fragment length polymorphism (T-RFLP) combined with principal component analysis (PCA), clustering of samples and sequencing based on the 16S rRNA gene. Bacterial community structure analyzed from T-RFLP patterns showed a dynamic shift at the top parts of the biofilters, while relatively stable bacterial community structures were observed in the middle and bottom parts of biofilters. The GAC biofilter consisted of diverse heterotrophs while the anthracite biofilter was mainly composed of sulfur-oxidizing and reducing bacteria, and alkalitrophic heterotrophs. This is associated with sulfur being a present impurity in the anthracite medium. (C) 2013 Elsevier B.V. All rights reserved. English ELSEVIER SP-NOV. GEN. NOV. MARINE BACTERIUM SAND-FILTRATION COMB. NOV. SODA LAKES ET-AL. MEMBRANE CARBON BIOFILTRATION Bacterial community structure in a biofilter used as a pretreatment for seawater desalination Article 10.1016/j.ecoleng.2013.09.005 1 ECOLOGICAL ENGINEERING, v.60, pp.370 - 381 ECOLOGICAL ENGINEERING 60 370 381 scie scopus 000326239700048 2-s2.0-84885439727 Ecology Engineering, Environmental Environmental Sciences Environmental Sciences & Ecology Engineering Article SP-NOV. GEN. NOV. MARINE BACTERIUM SAND-FILTRATION COMB. NOV. SODA LAKES ET-AL. MEMBRANE CARBON BIOFILTRATION Bacterial community Biofilter PCA Pretreatment Seawater T-RFLP