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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.10
- 수록면
- 185 - 198 (14page)
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초록· 키워드
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This study reinforced polyvinyl alcohol/sodium alginate (PVA/SA) gel beads immobilizing aerobic sludge with graphene oxide (GO) as a nanofiller. The different types of beads were made by various concentrations of GO (0.02, 0.2, 2, 20, and 200 ㎎/L). The effect of GO on beads structure was observed by comparing the mechanical properties of chemical oxygen demand (COD) and NH₄⁺-N removal efficiencies. The results showed that the PVA/SA/GO gel carriers have excellent reinforcement properties compared to non-GO gel carriers, while sphericity factor and methylene blue absorption are the same. The strongest carrier contains 200 ㎎/L GO, referred to as GO6. In addition, the highest COD and NH₄⁺-N removal efficiencies of GO6 gel carriers were 97 and 96.67%, respectively, which is higher than a non-GO PVA/SA (GO1) gel carrier. The addition of GO (200 ㎎/L) was thus an effective way to improve the mechanical strength of PVA/SA gel beads due to the strong interaction between GO and the PVA/SA matrix. It can also promote COD and NH₄⁺-N removal efficiency of immobilized bacteria inside the beads
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (41)
참고문헌 신청
Panagopoulos A. Brine management (saline water & wastewater effluents): Sustainable utilization and resource recovery strategy through Minimal and Zero Liquid Discharge (MLD & ZLD) desalination systems. Chem. Eng. Process.: Process Intensif. 2022;176:1089
Panagopoulos A, Giannika V. Decarbonized and circular brine management/valorization for water & valuable resource recovery via minimal/zero liquid discharge (MLD/ZLD) strategies. J. Environ. Manage. 2022;324:116239. https://doi.org/10.1016/j.jenvman.2022.
Panagopoulos A. Process simulation and analysis of high‐pressure reverse osmosis (HPRO) in the treatment and utilization of desalination brine (saline wastewater). Int. J. Energy Res. 2022;46(15):8607. https://doi.org/10.1002/er.8607
An M, Lo KV. Activated sludge immobilization using the PVA-alginate- borate method. J. Environ. Sci. Health A. 2001;36(1):101-115. https://doi.org/10.1081/ESE-100000475
Takei T, Ikeda K, Ijima H, Kawakami K. Fabrication of poly (vinyl alcohol) hydrogel beads crosslinked using sodium sulfate for microorganism immobilization. Process Biochem. 2011;46(2):566-571. https://doi.org/10.1016/j.procbio.2010.10.011
Panagopoulos A, Giannika V. Decarbonized and circular brine management/valorization for water & valuable resource recovery via minimal/zero liquid discharge (MLD/ZLD) strategies. J. Environ. Manage. 2022;324:116239. https://doi.org/10.1016/j.jenvman.2022.
Panagopoulos A. Process simulation and analysis of high‐pressure reverse osmosis (HPRO) in the treatment and utilization of desalination brine (saline wastewater). Int. J. Energy Res. 2022;46(15):8607. https://doi.org/10.1002/er.8607
An M, Lo KV. Activated sludge immobilization using the PVA-alginate- borate method. J. Environ. Sci. Health A. 2001;36(1):101-115. https://doi.org/10.1081/ESE-100000475
Takei T, Ikeda K, Ijima H, Kawakami K. Fabrication of poly (vinyl alcohol) hydrogel beads crosslinked using sodium sulfate for microorganism immobilization. Process Biochem. 2011;46(2):566-571. https://doi.org/10.1016/j.procbio.2010.10.011
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