Micro-electrolysis treatment for hot，grinding wastewater from MDF production using Fenton’s reagent

ZHANG Wen-yan; LI Fan; SUN Pan-hua; ZHANG Qi-sheng

doi:10.11833/j.issn.2095-0756.2011.01.003

Volume 28 Issue 1

Feb. 2011

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ZHANG Wen-yan, LI Fan, SUN Pan-hua, ZHANG Qi-sheng. Micro-electrolysis treatment for hot，grinding wastewater from MDF production using Fenton’s reagent[J]. Journal of Zhejiang A&F University, 2011, 28(1): 13-17. doi: 10.11833/j.issn.2095-0756.2011.01.003

Citation:

ZHANG Wen-yan, LI Fan, SUN Pan-hua, ZHANG Qi-sheng. Micro-electrolysis treatment for hot，grinding wastewater from MDF production using Fenton’s reagent[J]. Journal of Zhejiang A&F University, 2011, 28(1): 13-17. doi: 10.11833/j.issn.2095-0756.2011.01.003

Micro-electrolysis treatment for hot，grinding wastewater from MDF production using Fenton’s reagent

doi: 10.11833/j.issn.2095-0756.2011.01.003

1.
College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

More Information

Corresponding author: ZHANG Qi-sheng
Publish Date: 2011-02-20

Abstract

The hot，grinding wastewater from medium density fiberboard（MDF） production contains high concentrated toxic oranic maters. It is not fit for biochemical treatment even after pretreatment of micro-electrolysis. Fentons reagent method was employed to improve the former micro-electrolysis treatment by means of jar test. Optimal parameters of the Fenton process were determined as 0.05－0.10 of ［Fe2+］/［H2O2］ with 1 h reaction time. When Fenton treated effluent was controlled at pH 8.5，the sedimentation process further removed pollutants，and the chemical oxygen demand（COD） concentration of the former micro-electrolysis treatment effluent was reduced from 14 000 mgL－1 to about 3 500 mgL－1 . GC-MS analysis indicated that the combined process of micro-electrolysis and Fenton oxidation broke almost all of the monocyclic terpene bonds in the wastewater，oxidizing them to esters，alcohols，and ketones with a lower carbon number. However，for double ring terpense the combined process only broke some of the bonds. These obtained results evidenced the efficiency of the combined process to the hot，grinding wastewater pretreatment and should contribute to further studies of MDF wastewater treatment.［Ch，5 fig. 1 tab. 13 ref.］
- forest engineering,
- hot,
- grinding wastewater from medium density fiberboard（MDF） production,
- Fenton,
- micro-electrolysis,
- pretreatment

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Micro-electrolysis treatment for hot，grinding wastewater from MDF production using Fenton’s reagent

1. College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

Corresponding author: ZHANG Qi-sheng

Publish Date: 2011-02-20

Key words:

forest engineering /
hot /
grinding wastewater from medium density fiberboard（MDF） production /
Fenton /
micro-electrolysis /
pretreatment

Abstract: The hot，grinding wastewater from medium density fiberboard（MDF） production contains high concentrated toxic oranic maters. It is not fit for biochemical treatment even after pretreatment of micro-electrolysis. Fentons reagent method was employed to improve the former micro-electrolysis treatment by means of jar test. Optimal parameters of the Fenton process were determined as 0.05－0.10 of ［Fe2+］/［H2O2］ with 1 h reaction time. When Fenton treated effluent was controlled at pH 8.5，the sedimentation process further removed pollutants，and the chemical oxygen demand（COD） concentration of the former micro-electrolysis treatment effluent was reduced from 14 000 mgL－1 to about 3 500 mgL－1 . GC-MS analysis indicated that the combined process of micro-electrolysis and Fenton oxidation broke almost all of the monocyclic terpene bonds in the wastewater，oxidizing them to esters，alcohols，and ketones with a lower carbon number. However，for double ring terpense the combined process only broke some of the bonds. These obtained results evidenced the efficiency of the combined process to the hot，grinding wastewater pretreatment and should contribute to further studies of MDF wastewater treatment.［Ch，5 fig. 1 tab. 13 ref.］

Micro-electrolysis treatment for hot，grinding wastewater from MDF production using Fenton’s reagent

doi: 10.11833/j.issn.2095-0756.2011.01.003

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views