Analysis of Ammonia Toxicity in Landfill Leachates
Joint Authors
Nakanishi, Hiroki
Nemoto, Keisuke
Hatano, Ayumi
Osada, Takuya
Naruoka, Tomohiro
Yamada, Masato
Shoji, Ryo
Source
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-09-28
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Toxicity identification evaluation (TIE) phase I manipulations and toxicity test with D.
magna were conducted on leachates from an industrial waste landfill site in Japan.
Physicochemical analysis detected heavy metals at concentrations insufficient to account for the observed acute toxicity.
The graduated pH and aeration manipulations identified the prominent toxicity of ammonia.
Based on joint toxicity with additive effects of unionized ammonia and ammonium ions, the unionized ammonia toxicity (LC50,NH3(aq)) was calculated as 3.3 ppm, and the toxicity of ammonium ions (LC50,NH4+) was calculated as 222 ppm.
Then, the contribution of ammonia toxicity in the landfill leachate toxicity was calculated as 58.7 vol% of the total toxicity in the landfill leachate.
Other specific toxicants masked by ammonia's toxicity were detected.
Contribution rate of the toxicants other than by ammonia was 41.3 vol% of the total toxicity of the landfill leachate.
American Psychological Association (APA)
Osada, Takuya& Nemoto, Keisuke& Nakanishi, Hiroki& Hatano, Ayumi& Shoji, Ryo& Naruoka, Tomohiro…[et al.]. 2011. Analysis of Ammonia Toxicity in Landfill Leachates. ISRN Toxicology،Vol. 2011, no. 2011, pp.1-6.
https://search.emarefa.net/detail/BIM-511170
Modern Language Association (MLA)
Osada, Takuya…[et al.]. Analysis of Ammonia Toxicity in Landfill Leachates. ISRN Toxicology No. 2011 (2011), pp.1-6.
https://search.emarefa.net/detail/BIM-511170
American Medical Association (AMA)
Osada, Takuya& Nemoto, Keisuke& Nakanishi, Hiroki& Hatano, Ayumi& Shoji, Ryo& Naruoka, Tomohiro…[et al.]. Analysis of Ammonia Toxicity in Landfill Leachates. ISRN Toxicology. 2011. Vol. 2011, no. 2011, pp.1-6.
https://search.emarefa.net/detail/BIM-511170
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-511170