Capacity for absorbing and fixing heavy metal of Cd and Pb of eight species of ornamental aquatic plants

TANG Yuli; QIAN Ping; ZHANG Haizhen; ZHOU Hong

doi:10.12030/j.cjee.201701060

2017 Volume 11 Issue 9

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Abstract

References

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TANG Yuli, QIAN Ping, ZHANG Haizhen, ZHOU Hong. Capacity for absorbing and fixing heavy metal of Cd and Pb of eight species of ornamental aquatic plants[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5313-5319. doi: 10.12030/j.cjee.201701060

Citation:

TANG Yuli, QIAN Ping, ZHANG Haizhen, ZHOU Hong. Capacity for absorbing and fixing heavy metal of Cd and Pb of eight species of ornamental aquatic plants[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5313-5319. doi: 10.12030/j.cjee.201701060

Capacity for absorbing and fixing heavy metal of Cd and Pb of eight species of ornamental aquatic plants

1.
Lingyin Administration(Hangzhou Flower Nursery) of Hangzhou West Lake Scenic Area(Hangzhou Municipal Bureau of Landscape and Cultural Relic), Hangzhou 310013, China
2.
Hubin Administration of Hangzhou West Lake Scenic Area(Hangzhou Municipal Bureau of Landscape and Cultural Relic), Hangzhou 310004, China

Received Date: 14/04/2017
Accepted Date: 10/01/2017
Available Online: 26/08/2017

Fund Project:

Abstract

Aquatic sediment is the main source of water pollutant.Aquatic plants have the ability to purify water.Potted planting by polluted soil was conducted to analyze the ability to absorb Cd and Pb by eight different aquatic plants.The results indicated that the concentration of Cd in Cyperus prolifer increased with the concentration in soil.When the concentration of Cd in soil is 5 mg·kg-1 DW,the accumulated concentration is 1.13 mg·kg-1 DW and 1.63 mg·kg-1 DW in aboveground parts and belowground parts respectively.The content of Pb in belowground parts of experimental plants are 10 to 20 times to the aboveground parts.The content of Pb in belowground parts of Cyperus prolifer and Typha orientalis planted in soil with high concentration of Pb reached 20 mg·kg-1 DW.Transfer and accumulation coefficient of Cd in soil of Iris wilsonii,Cyperus prolifer,Nymphaea are larger than 1,which suggested that Cyperus prolifer has the ability to accumulate Cd from soil while Cyperus prolifer,Typha orientalis have the ability to capture Pb from soil.
- Cyperus prolifer,
- Typha orientalis,
- enrichment ability,
- biomass

References

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沈阳化工大学材料科学与工程学院沈阳 110142

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Capacity for absorbing and fixing heavy metal of Cd and Pb of eight species of ornamental aquatic plants

Received Date: 14/04/2017

Accepted Date: 10/01/2017

Available Online: 26/08/2017

Fund Project:

Key words:

Abstract: Aquatic sediment is the main source of water pollutant.Aquatic plants have the ability to purify water.Potted planting by polluted soil was conducted to analyze the ability to absorb Cd and Pb by eight different aquatic plants.The results indicated that the concentration of Cd in Cyperus prolifer increased with the concentration in soil.When the concentration of Cd in soil is 5 mg·kg-1 DW,the accumulated concentration is 1.13 mg·kg-1 DW and 1.63 mg·kg-1 DW in aboveground parts and belowground parts respectively.The content of Pb in belowground parts of experimental plants are 10 to 20 times to the aboveground parts.The content of Pb in belowground parts of Cyperus prolifer and Typha orientalis planted in soil with high concentration of Pb reached 20 mg·kg-1 DW.Transfer and accumulation coefficient of Cd in soil of Iris wilsonii,Cyperus prolifer,Nymphaea are larger than 1,which suggested that Cyperus prolifer has the ability to accumulate Cd from soil while Cyperus prolifer,Typha orientalis have the ability to capture Pb from soil.

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Capacity for absorbing and fixing heavy metal of Cd and Pb of eight species of ornamental aquatic plants

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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