http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 高見澤一裕 ( Kazuhiro Takamizawa ) (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
-
-
廢棄物埋立地 浸出水에서 黃酸鹽還元菌의 分布와 重金屬 不溶化役割
정권,신재영,정일현,고견택일유,유영식 한국환경위생학회 1997 한국환경보건학회지 Vol.23 No.3
This study, collaborated Gifu University. Japan, was performed to analyze chemical pollutants and microorganism and to clarify the distribution of sulfate-reducing bacteria and their insolubilization of heavy metal ions in leachates sampled seasonally between 1994 and 1996 from Nanjido waste landfill site, sampled 4 times between 1995 and 1996 from Pusan and Daejeon waste landfill site. and sampled 1 time between 1992 and 1994 from Hokkaido. Nagoya, Osaka and Hukuoka waste landfill site in Japan. The results were as follows: 1. The temperatures of internal leachate and leachate effluent were 40℃ and 30℃, respectively, and the pH values of both leachates were about 8.0 at Nanjido waste landfill site. The concentration of SO_(4)^(-2)gradually increased with the degree of stabilization and that of NO_(3)-N was detected in a part of sampling sites at one and half years, and in all sampling sites at 3 years after completion of landfill. 2. The organic substances in leachate of Nanjido waste landfill site decreased with the degree of stabilization and they were very fluctuated with measuring point and time. The concentration of organic substance and heavy metals in internal leachate were higher than in leachate effluent and those of Cd, Hg. and Pb were lower than detection limit except a part of samples in 1996. 3. APCs in internal leachate and leachate effluent were not much different and the minimum of APCs in internal leachate and leachate effluent were 1.0 x 10^(4)/ml and 4.0 x 10^(1)ml. respectively. 4. The maximums of SRBs in Nanjido, Pusan, and Daejeon waste landfill site were 9180 MPN/ml, 24000 MPN/ml, and 348 MPN/ml, respectively and the maximum of SRBs in Japan waste landfill site was 9300 MPN/ml. 5. During 2-week-SRB culture, the values of MPN were high at 50℃ for initial culture period and at 30℃ for last culture period. MPN started to appear at first day and rapidly increased between 7th day and 9th day. 6. Cadmium and copper were insolubilized by SRB within 6 hr and iron and zinc were done within 48 hr. The rates of insolubilization of Cd. Cu. Fe. Zn, T-Cr were 100%. 99.5%. 95.0%. 99.8%. 16.1% after 48 hr treatment with SRB. respectively.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
