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1. Cleaning heavy metal contaminated soil with soluble humic substances instead of synthetic polycarboxylic acids

Author:
Strobel, Bjarne W.,   et al.   ; Borggaard, Ole K.; Holm, Peter E.; Jensen, Julie K.; Soleimani, Mohsen;     Show all 5 Authors
Source:
Acta agriculturæ Scandinavica 2011 v.61 no.6 pp. 577-581
ISSN:
1651-1913
Subject:
EDTA (chelating agent); cadmium; calcareous soils; cleaning; cleaning agents; copper; heavy metals; humic substances; lead; nickel; nitrilotriacetic acid; polluted soils; toxicity; washing
Abstract:
... Soils contaminated with heavy metals constitute a serious and widespread ecological problem but to clean such soils requires strong chemicals such as polycarboxylates; frequently ethylenediaminetetraacetic acid and nitrilotriacetic acid are used. However, these compounds are synthetic and toxic and their replacement by natural products such as soluble humic substances as washing agents for cleanin ...
DOI:
10.1080/09064710.2010.515602

2. pH-Dependent Release of Cadmium, Copper, and Lead from Natural and Sludge-Amended Soils

Author:
Strobel, Bjarne W.,   et al.   ; Sukreeyapongse, Orathai; Holm, Peter E.; Panichsakpatana, Supamard; Magid, Jakob; Hansen, Hans Christian Bruun;     Show all 6 Authors
Source:
Journal of environmental quality 2002 v.31 no.6 pp. 1901-1909
ISSN:
1537-2537
Subject:
Hapludalfs; Kandiustults; cadmium; copper; desorption; heavy metals; leaching; lead; pH; protons; soil properties
Abstract:
... The pH-dependent release of cadmium, copper, and lead from soil materials was studied by use of a stirred flow cell to quantify their release and release rates, and to evaluate the method as a test for the bonding strength and potential mobility of heavy metals in soils. Soil materials from sludge-amended and nonamended A horizons from a Thai coarse-textured Kandiustult and a Danish loamy Hapludal ...
DOI:
10.2134/jeq2002.1901
PubMed:
12469840

3. Potential of dissolved organic matter (DOM) to extract As, Cd, Co, Cr, Cu, Ni, Pb and Zn from polluted soils: A review

Author:
Strobel, Bjarne W.,   et al.   ; Borggaard, Ole K.; Holm, Peter E.;     Show all 3 Authors
Source:
Geoderma 2019 v.343 pp. 235-246
ISSN:
0016-7061
Subject:
EDTA (chelating agent); aluminum oxide; arsenic; cadmium; cations; chromium; cobalt; composting; copper; dissolved organic matter; ecological footprint; economic analysis; environmental factors; food waste; fulvic acids; guidelines; heavy metals; human health; lead; ligands; microbial activity; moieties; nickel; pH; phytoaccumulation; pollutants; polluted soils; salicylic acids; soil pollution; soil remediation; soil structure; soil washing; solubility; sorbents; vanadium; zinc
Abstract:
... Pollution of soils with As, Cd, Co, Cr, Cu, Ni, Pb and Zn, collectively termed heavy metals (HMs), can threaten human health and ecosystem functioning. Therefore, polluted soils must be remediated. Soil washing of strongly polluted soils and phytoextraction on moderately polluted sites seem currently the most attractive remediation methods. Both methods depend on HM solubility (extractability), wh ...
DOI:
10.1016/j.geoderma.2019.02.041

4. Screening of inorganic and organic contaminants in floodwater in paddy fields of Hue and Thanh Hoa in Vietnam

Author:
Strobel, Bjarne W.,   et al.   ; Trinh, Ha Thu; Marcussen, Helle; Hansen, Hans Christian B.; Le, Giang Truong; Duong, Hanh Thi; Ta, Nguyen Thuy; Nguyen, Trung Quang; Hansen, Soren;     Show all 9 Authors
Source:
Environmental science and pollution research international 2017 v.24 no.8 pp. 7348-7358
ISSN:
0944-1344
Subject:
aluminum; arsenic; cadmium; chromium; cobalt; copper; cultivation area; drugs; farms; gas chromatography-mass spectrometry; iron; isoprothiolane; lead; manganese; paddies; personal care products; pollutants; polycyclic aromatic hydrocarbons; rice; rivers; screening; sterols; villages; wastewater; wet season; zinc; Vietnam
Abstract:
... In the rainy season, rice growing areas in Vietnam often become flooded by up to 1.5 m water. The floodwater brings contaminants from cultivated areas, farms and villages to the rice fields resulting in widespread contamination. In 2012 and 2013, the inorganic and organic contaminants in floodwater was investigated in Thanh Hoa and Hue. Water samples were taken at 16 locations in canals, paddy fie ...
DOI:
10.1007/s11356-017-8433-7