Treatment of effluent from the recycled paper mill by using integrated vertical-flow constructed wetland

Li Na Li; Ya Zhi Li; Liang Jun Da; Wen Hui You

Treatment of effluent from the recycled paper mill by using integrated vertical-flow constructed wetland

Li Na Li^*
, Ya Zhi Li
, Liang Jun Da
, Wen Hui You

^*Corresponding author for this work

School of Ecology and Environmental Sciences

Research output: Contribution to specialist publication › Article

1 Scopus citations

Abstract

Integrated vertical-flow constructed wetland was used in this investigation for the treatment of the effluent from the recycled paper mill. Eichhornia crassipes, Alternanthera philoxeroide, Phragmites communis and Canna indica L. were selected as constructed wetland plants and quartz sand, macadam and cobblestone were used as filler. Results showed that even plants harvesting will affect the treatment efficiency of the system, however the plants bed with multi-layer configuration still can decrease the pollutants effectively. When the pH value of influent was between 7.16 and 7.45; the average contents of BOD₅, COD_Cr and SS were 416 mg/L, 543 mg/L, 429 mg/L, respectively; hydraulic load 0.053 m³/(m²·d), the removal rates of BOD₅, COD_Cr and SS were 94.9%, 91.4%, 98.0% respectively. After 10 months operation, the main indexes of the effluent can meet ″Discharge regulation of water pollutants for pulp and paper industry″ (GB 3544-2008) and can be utilized for irrigation.

Original language	English
Pages	43-46
Number of pages	4
Volume	28
No	9
Specialist publication	Chung-kuo Tsao Chih/China Pulp and Paper
State	Published - Sep 2009

Keywords

BOD
COD
Integrated vertical constructed wetland
Removal rates
SS

Cite this

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title = "Treatment of effluent from the recycled paper mill by using integrated vertical-flow constructed wetland",

abstract = "Integrated vertical-flow constructed wetland was used in this investigation for the treatment of the effluent from the recycled paper mill. Eichhornia crassipes, Alternanthera philoxeroide, Phragmites communis and Canna indica L. were selected as constructed wetland plants and quartz sand, macadam and cobblestone were used as filler. Results showed that even plants harvesting will affect the treatment efficiency of the system, however the plants bed with multi-layer configuration still can decrease the pollutants effectively. When the pH value of influent was between 7.16 and 7.45; the average contents of BOD5, CODCr and SS were 416 mg/L, 543 mg/L, 429 mg/L, respectively; hydraulic load 0.053 m3/(m2·d), the removal rates of BOD5, CODCr and SS were 94.9\%, 91.4\%, 98.0\% respectively. After 10 months operation, the main indexes of the effluent can meet ″Discharge regulation of water pollutants for pulp and paper industry″ (GB 3544-2008) and can be utilized for irrigation.",

keywords = "BOD, COD, Integrated vertical constructed wetland, Removal rates, SS",

author = "Li, \{Li Na\} and Li, \{Ya Zhi\} and Da, \{Liang Jun\} and You, \{Wen Hui\}",

year = "2009",

month = sep,

language = "英语",

volume = "28",

pages = "43--46",

journal = "Chung-kuo Tsao Chih/China Pulp and Paper",

issn = "0254-508X",

publisher = "China Technical Association of Paper Industry",

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AU - Li, Li Na

AU - Li, Ya Zhi

AU - Da, Liang Jun

AU - You, Wen Hui

PY - 2009/9

Y1 - 2009/9

N2 - Integrated vertical-flow constructed wetland was used in this investigation for the treatment of the effluent from the recycled paper mill. Eichhornia crassipes, Alternanthera philoxeroide, Phragmites communis and Canna indica L. were selected as constructed wetland plants and quartz sand, macadam and cobblestone were used as filler. Results showed that even plants harvesting will affect the treatment efficiency of the system, however the plants bed with multi-layer configuration still can decrease the pollutants effectively. When the pH value of influent was between 7.16 and 7.45; the average contents of BOD5, CODCr and SS were 416 mg/L, 543 mg/L, 429 mg/L, respectively; hydraulic load 0.053 m3/(m2·d), the removal rates of BOD5, CODCr and SS were 94.9%, 91.4%, 98.0% respectively. After 10 months operation, the main indexes of the effluent can meet ″Discharge regulation of water pollutants for pulp and paper industry″ (GB 3544-2008) and can be utilized for irrigation.

AB - Integrated vertical-flow constructed wetland was used in this investigation for the treatment of the effluent from the recycled paper mill. Eichhornia crassipes, Alternanthera philoxeroide, Phragmites communis and Canna indica L. were selected as constructed wetland plants and quartz sand, macadam and cobblestone were used as filler. Results showed that even plants harvesting will affect the treatment efficiency of the system, however the plants bed with multi-layer configuration still can decrease the pollutants effectively. When the pH value of influent was between 7.16 and 7.45; the average contents of BOD5, CODCr and SS were 416 mg/L, 543 mg/L, 429 mg/L, respectively; hydraulic load 0.053 m3/(m2·d), the removal rates of BOD5, CODCr and SS were 94.9%, 91.4%, 98.0% respectively. After 10 months operation, the main indexes of the effluent can meet ″Discharge regulation of water pollutants for pulp and paper industry″ (GB 3544-2008) and can be utilized for irrigation.

KW - BOD

KW - COD

KW - Integrated vertical constructed wetland

KW - Removal rates

KW - SS

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M3 - 文章

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SN - 0254-508X

VL - 28

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JO - Chung-kuo Tsao Chih/China Pulp and Paper

JF - Chung-kuo Tsao Chih/China Pulp and Paper

ER -

Treatment of effluent from the recycled paper mill by using integrated vertical-flow constructed wetland

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Keywords

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