Effects of soil particle size on the adsorption, distribution, and migration behaviors of heavy metal(loid)s in soil: a review

2020 ◽  
Vol 22 (8) ◽  
pp. 1596-1615
Author(s):  
Bin Huang ◽  
Zaijian Yuan ◽  
Dingqiang Li ◽  
Mingguo Zheng ◽  
Xiaodong Nie ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Particle Size ◽  
Soil Type ◽  
Research Method ◽  
Soil Particle ◽  
Soil Particles ◽  
Soil Particle Size ◽  
Comparison Of Results ◽  
And Migration

The adsorption, distribution, and migration behaviors of heavy metals in soil particles are critically reviewed from the perspectives of research method, soil type, and comparison of results.

Finding a relationship between mobility factors of selected heavy metals and soil particle size in soils from children’s playgrounds

2019 ◽  
Vol 191 (12) ◽  
Author(s):  
Evelyn Ngozi Verla ◽  
Andrew Wirnkor Verla ◽  
Adaku Felicia Osisi ◽  
Peter Ndu Okeke ◽  
Christian Ebere Enyoh
Keyword(s):  
Heavy Metals ◽  
Particle Size ◽  
Soil Particle ◽  
Soil Particle Size

Contamination of a calcareous soil by battery industry wastes. I. Characterization

2001 ◽  
Vol 28 (3) ◽  
pp. 341-348 ◽  
Author(s):  
S A Wasay ◽  
W J Parker ◽  
P J Van Geel
Keyword(s):  
Heavy Metals ◽  
Particle Size ◽  
Organic Matter ◽  
Contaminated Soil ◽  
Buffering Capacity ◽  
Water Soluble ◽  
Soil Particle ◽  
Soil Particle Size ◽  
Native Soil ◽  
Battery Industry

A study of soil contamination due to the disposal of waste from a battery industry was conducted. The soil particle size, organic matter content, and buffering capacity were characterized. The heavy metal content of the soil was characterized with soil depth, soil particle size, and with respect to the fraction of the soil by which it was retained. Lead was found to be the dominant contaminant with all other metals present at considerably lower concentrations. Most of the lead was retained in the fraction of the soil that had a particle size less than 2 mm. This fraction represented 40.8% of the soil and contained 24 600 mg Pb/kg of soil. A particle size analysis indicated that 45.3% of soil particles were found to be greater than 4.75 mm. The pH of the contaminated soil in water was found to be 7.6 and was similar to the background soil. The similarity in pH was attributed to the high calcium content of the native soil. The lead content in the native soil that was collected 100 m away from the contaminated site was found to be 1967 mg/kg in the soil with particle sizes less than 2 mm (contaminated soil). The difference in pH between KCl solution (pH 7.0) and in water was found to be –0.6 indicating that the pH value was above the point of zero salt effect. An evaluation of the buffering capacity revealed that 297 mL of 0.5 M HNO3 per kg of soil was required to substantially modify the soil pH. The heavy metals in the soil were sequentially extracted to quantify the water soluble, exchangeable, carbonate, oxides, organic matter, and residual fractions. The Pb concentrations were mainly found in the carbonate and oxide fractions of the soil.Key words: heavy metals, soil pollution, characterization, retention form.

Soil Particle Size and the Pit Morphology of the Australian Ant-Lions Myrmeleon diminutus and M. pictifrons (Neuroptera: Myrmeleontidae)

1985 ◽  
Vol 33 (6) ◽  
pp. 863 ◽  
Author(s):  
GR Allen ◽  
DB Croft
Keyword(s):  
Particle Size ◽  
Body Weight ◽  
Dorsal Surface ◽  
Soil Particle ◽  
Angle Of Repose ◽  
Trap Design ◽  
Soil Particles ◽  
Soil Particle Size ◽  
Capture Success ◽  
Fine Soil

A comparison of soil particle size and its influence on pit construction, pit morphology and capture success for Myrmeleon diminutus and M. pictifrons was undertaken. Both species constructed pits by the circuitous method, using the forelegs. The forelegs may aid in encouraging soil particles to fall from the forming pit wall and may help to direct soil onto the dorsal surface of the head for subsequent tossing. Both species showed a preference to build in fine soil (<0.3 mm) but the aversion to medium (0.3-0.6 mm) and coarse soil (0.6-1.2 mm) differed. In mixed particle size soil all ant-lion pits were lined with fine soil particles less than 0.3 mm diameter. This improved capture success by delaying the escape of prey and increasing the number of falls to the pit vertex during escape. Body weight was found to be the most important correlate of pit morphology. Pit diameter and pit depth increased linearly and pit angle increased curvilinearly with body weight. The smallest ant-lions optimize trap design by building pits close to the angle of repose of the soil, but larger ant-lions build relatively shallower, less optimal pits.

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