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식물경작장에서의 중금속 고축적종 식물을 이용한 중금속 오염토의 정화 연구
박상헌,최상일,박종부,한하규,배세달,성일종,박응렬,Park, Sang-Hean,Choi, Sang-Il,Park, Jong-Bu,Han, Ha-Kyu,Bae, Sei-Dal,Sung, Il-Jong,Park, Eung-Ryeol 한국지하수토양환경학회 2011 지하수토양환경 Vol.16 No.5
This study was performed to evaluate the remediation efficiency by Helianthus annuus, Brassica juncea and Brassica campestris on the soil contaminated with nickel, zinc and lead, respectively. The growth rates fell down under 60% in the condition of over 700 mg/kg of zinc for Brassica campestris, 300 mg/kg of lead for Helianthus annuus, and 150 mg/kg of nickel for Brassica juncea on the basis of heavy metal concentration in the soil, because of its toxicity. Also, the hyperaccumulators showed the maximum heavy metal contents in their biomass after 90 days of cultivation. The accumulated heavy metal content per kilogram of hyperaccumulator was 0.65 mg of nickel in Brassica juncea, 0.14 mg of zinc in Brassica campestris, and 0.06 mg of lead in Helianthus annuus, respectively. Additionally, 73.2% of nickel accumulated in Brassica juncea and 95.1% of zinc accumulated in Brassica campestris were concentrated in the upper site of crop like stem and leaves. However, in the case of Helianthus annuus, 83.7% of lead was accumulated in the root.
이용복(Yong Bok Lee),최상일(Sang Il Choi),정현규(Hyun Gyu Jung),배세달(Sei Dal Bae),정선국(Sun Kook Jung) 한국토양비료학회 2011 한국토양비료학회지 Vol.44 No.6
To build environmentally friendly highways, we testes suitability for unique characteristics of pollution mitigation facility around the highways by evaluating optimal selections and implementation methodologies to minimize loan of non-point pollution substances into water-ways. To do this we categorized EIA target highways into three types ; big drainage basin, small drainage basin, and bridge section as to minimize non-point pollution of highway runoff. The terms of selected facility test based on the Natural and Manufactured Treatment Device were removal efficiency of TSS, BOD, COD, T-N, T-P, compatibility of site selection, economic feasibility, maintenance convenience, and the final mitigation facility.