Economic and Environmental Geology (자원환경지질)

The Korean Society of Economic and Environmental Geology (대한자원환경지질학회)
권호 표지

Biosorption Characteristics of Arsenate by Chemically Modified Activated Sludge

폐 활성슬러지의 화학적 개질을 통한 비소의 생물흡착 특성

  • Lee, Sang-Min (Department of Environmental Engineering, Kongju National University) ;
  • Kim, Dong-Wook (Department of Environmental Engineering, Kongju National University)
  • 이상민 (공주대학교 환경공학과) ;
  • 김동욱 (공주대학교 환경공학과)
  • Published : 2005.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

Cheap and environmental sound biosorbent was made for the adsorption of arsenate using an waste activated sludge. The biosorbents were methylated in 9hours and 24 hours respectively for the better adsorption of arsenate. The amount adsorbed of arsenate(V) increased with increasing methylation time. The specific arsenate adsorption was 0.06mmol As(V)/g biomass when the biosorbent was methylated in 24 hours. The methylated biosorbents were also studied with pH 5, 7 and 9. The pH of the solution affect the amount of adsorption of arsenate of the biosorbent even though it was methylated. The specific arsenate adsorption of the biosorbent at pH 5 was best and it was three times greater than the amount of arsenate adsorbed at pH 9.

비소를 제거하기 위한 경제적이고 친환경적인 생물흡착제 제조를 위해 폐 활성슬러지를 사용하여 생물흡착제로서의 적용성을 검토하였다. 생물흡착제로 사용된 폐 활성슬러지는 비소 흡착능 향상을 위해 각각 9시간과 24시간 메틸화(methylation) 되었고 흡착된 비소는 24시간 메틸화한 활성슬러지가 9시간보다 향상된 결과를 나타내었다. 24시간 메틸화한 활성슬러지의 비비소흡착량(specific As adsorption)은 0.06mmol As(V)/g biomass이고 용액의 pH가 비소에 미치는 영향은 생물흡착제로 사용된 활성슬러지가 메틸화된 후에도 지속되었다. 비소 제거에 대한 pH 영향은 5, 7, 9 세가지 경우에 대해서 조사되었고 이중 pH 5일때 비비소흡착량(specific As adsorption)이 pH 9인 경우보다 3배 큰 비흡착량을 나타내었다.

Keywords

References

  1. 김정배 (2003) 표면개질을 통한 흡착제에 의한 비소 및 셀렌 제거에 관한 연구. 한국수처리기술연구회, v. 11, p. 33-41
  2. 손병찬 (1983) 선광공학, p 27-29
  3. 수자원교육원 (2005) 하수설계과정, p. 230-231
  4. 정익재, 서보희, 최용수, 박흥목 (1998) 과산화수소를 이용한 광미중에 함유된 비소의 불용화. 대한환경공학회 추계학술대회, p. 7-8
  5. 차호영 (2004) 오존분해 기술을 이용한 슬러지 감량화 및 자원화 기술. 유기물자원화, 12권, p. 32-40
  6. 한국지하수토양환경학회 (2003) 토양오염. 향문사, p. 222
  7. Bitton, G. and Freihofer, V. (1978) Influence of extracellular polysaccharides on the toxicity of copper and cadmium toward Klebsiella aerogenes. Microb. Ecol., v. 4, p. 119-125 https://doi.org/10.1007/BF02014282
  8. Dugan, P. R. and Pickrun, H. M. (1972) Removal of mineral ions from water by microbially produced polymers. Proc. 27th Ind. Waste Conf., Purdue Univ., Eng. Ext. Ser. No. 141, p. 1019-1038
  9. Esposito, A., Pagnanelli, E, Lodi, A., Solisio, C. and Veg-lio, F. (2001) Biosorption of heavy metal by Sphaero-tilus natans: an equilibrium study at different pH and biomass concentration. Hydrometallurgy, v. 60, p. 129-141 https://doi.org/10.1016/S0304-386X(00)00195-X
  10. Fann, D., Pal, D., Lory, E., Karr, L., Mathews, A. E and Price, P. A. (1998) Hot air vapor extraction of petroleum contaminated sites, Proceeding of the eighth international offshore and polar engineering conference. Montreal, Canada, 24-29, p. 313-321
  11. Gupta, V. K., Shrivastava, A. K. and Jain, N. (2001) Biosorption of chromium(VI) from aqueous solution by green algae spirogyra sepcies. Water Res., v. 35, p. 4079-4085 https://doi.org/10.1016/S0043-1354(01)00138-5
  12. Seki H, Suzuki A. and Maruyama, H. (2005) Biosorption of chromium(VI) and arsenic(V) onto methylated yeast biomass. Journal of Colloidal and interface Science, v. 281, p. 261-266 https://doi.org/10.1016/j.jcis.2004.08.167
  13. Kartal, S. N. and Imamura, Y. (2005) Removal of copper, chromium, and arsenic from CCA-treated wood onto chitin and chitosan. Bioresource Technology, v. 96, p. 389-392 https://doi.org/10.1016/j.biortech.2004.03.004
  14. Kefala, M., Zoubouli, A. and Matis, K. (2000) Biosorption of cadmium ions by actinomycetes and separation by flotation. Environ. Pollut., v. 104, p. 283-293
  15. Loukidou, M. X., Matis K. A. and Zouboulis, A. I. (2003) Removal of As(V) from wastewater by chemically modified fungal biomass. Water Res., v. 37, p. 4544-4552 https://doi.org/10.1016/S0043-1354(03)00415-9
  16. Montero, G. A., Schnells, K. B. and Giorgio, T. D. (1997) Supercritical fluid extraction of contaminated soil. J. Environ. Health, v. 32(2), p. 481-495 https://doi.org/10.1080/10934529709376556