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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Lin, Yu-An Wang, Ming-Kuang Liu, Cheng-Chung Chiang, Po-Neng Tong, Ou-Yang Chiou, Chyow-San |
Description | Country affiliation: Taiwan Author Affiliation: Chiang PN ( Experimental Forest, National Taiwan University, Chushan, Nantou County, 55750, Taiwan.); Tong OY ( Department of Environment Engineering, College of the Environment and Ecology, and The Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, Xiamen University, Xiamen, P.R. China.); Chiou CS ( Department of Environmental Engineering, National Ilan University, Ilan 26047, Taiwan.); Lin YA ( Department of Environmental Engineering, National Ilan University, Ilan 26047, Taiwan.); Wang MK ( Department of Animal Science, National Ilan University, Ilan 26047, Taiwan.); Liu CC ( Department of Agricultural Chemistry, National Taiwan University, Taipei 10617, Taiwan. Electronic address: ccliu@niu.edu.tw.) |
Abstract | A liquid fertilizer obtained through food-waste composting can be used for the preparation of a dissolved organic carbon (DOC) solution. In this study, we used the DOC solutions for the remediation of a Zn-contaminated soil (with Zn concentrations up to 992 and 757 mg kg(-1) in topsoil and subsoil, respectively). We then determined the factors that affect Zn removal, such as pH, initial concentration of DOC solution, and washing frequency. Measurements using a Fourier Transform infrared spectrometer (FT-IR) revealed that carboxyl and amide were the major functional groups in the DOC solution obtained from the liquid fertilizer. Two soil washes using 1,500 mg L(-1) DOC solution with a of pH 2.0 at 25°C removed about 43% and 21% of the initial Zn from the topsoil and subsoil, respectively. Following this treatment, the pH of the soil declined from 5.4 to 4.1; organic matter content slightly increased from 6.2 to 6.5%; available ammonium (NH4(+)-N) content increased to 2.4 times the original level; and in the topsoil, the available phosphorus content and the exchangeable potassium content increased by 1.65 and 2.53 times their initial levels, respectively. |
ISSN | 03043894 |
Volume Number | 301 |
e-ISSN | 18733336 |
Journal | Journal of Hazardous Materials |
Language | English |
Publisher | Elsevier |
Publisher Date | 2016-01-15 |
Publisher Place | Netherlands |
Access Restriction | Subscribed |
Subject Keyword | Carbon Chemistry Environmental Restoration And Remediation Methods Fertilizers Metals Soil Pollutants Food Hydrogen-ion Concentration Analysis Soil Solutions Waste Products Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Inorganic Chemicals Complex Mixtures Pharmaceutical Preparations Chemical Actions and Uses Chemical Phenomena Physiological Phenomena Technology, Industry, and Agriculture |
Subject | Environmental Engineering Health, Toxicology and Mutagenesis Waste Management and Disposal Pollution Environmental Chemistry |
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