New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support
The existing methods for simultaneous treatment of wastewater containing high concentrations of chemical oxygen demand (COD) and boron are too cumbersome and require a relatively long treatment time. The traditional oxidation method is easy to cause a large amount of sludge and other secondary pollu...
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oai:doaj.org-article:d4a46cb166d64f699e2e5e8267d9a21b2021-11-11T19:54:47ZNew Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support10.3390/w132130202073-4441https://doaj.org/article/d4a46cb166d64f699e2e5e8267d9a21b2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/3020https://doaj.org/toc/2073-4441The existing methods for simultaneous treatment of wastewater containing high concentrations of chemical oxygen demand (COD) and boron are too cumbersome and require a relatively long treatment time. The traditional oxidation method is easy to cause a large amount of sludge and other secondary pollution. Therefore, in this research, the wastewater was oxidized by the self-synthesized manganese-iron oxide catalytic support. This oxidation and adsorption combined method significantly increased the efficiency of wastewater treatment, reduced the treatment time and the replacement frequency of consumables. The efficiency in degradation of high-concentration COD (25,250 mg/L) was more than 90%, which could be reached within 40 min, while that of boron (500 mg/L) could reach above 95% within 20 min. After optimization of the parameters (daily treatment capacity: 5CMD) was combined to treat high-concentration wastewater containing high concentrations of COD (14,700 mg/L) and boron (486 mg/L), with treatment efficiency approaching 100% within 20 min. As proved by the research results, after being treated by the new manganese-iron oxide catalytic support and activated carbon, the wastewater has reached the emission standard and can be discharged directly. This combined method provides a new way for the treatment of wastewater containing high concentrations of COD and boron.Ya-Fei YangMDPI AGarticlemanganese-iron oxidechemical oxygen demand (COD)boroncatalytic supportHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3020, p 3020 (2021) |
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manganese-iron oxide chemical oxygen demand (COD) boron catalytic support Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
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manganese-iron oxide chemical oxygen demand (COD) boron catalytic support Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Ya-Fei Yang New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support |
description |
The existing methods for simultaneous treatment of wastewater containing high concentrations of chemical oxygen demand (COD) and boron are too cumbersome and require a relatively long treatment time. The traditional oxidation method is easy to cause a large amount of sludge and other secondary pollution. Therefore, in this research, the wastewater was oxidized by the self-synthesized manganese-iron oxide catalytic support. This oxidation and adsorption combined method significantly increased the efficiency of wastewater treatment, reduced the treatment time and the replacement frequency of consumables. The efficiency in degradation of high-concentration COD (25,250 mg/L) was more than 90%, which could be reached within 40 min, while that of boron (500 mg/L) could reach above 95% within 20 min. After optimization of the parameters (daily treatment capacity: 5CMD) was combined to treat high-concentration wastewater containing high concentrations of COD (14,700 mg/L) and boron (486 mg/L), with treatment efficiency approaching 100% within 20 min. As proved by the research results, after being treated by the new manganese-iron oxide catalytic support and activated carbon, the wastewater has reached the emission standard and can be discharged directly. This combined method provides a new way for the treatment of wastewater containing high concentrations of COD and boron. |
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article |
author |
Ya-Fei Yang |
author_facet |
Ya-Fei Yang |
author_sort |
Ya-Fei Yang |
title |
New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support |
title_short |
New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support |
title_full |
New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support |
title_fullStr |
New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support |
title_full_unstemmed |
New Technology for Degradation of Wastewater Containing High Concentrations of COD and Boron Based on Manganese-Iron Oxide Catalytic Support |
title_sort |
new technology for degradation of wastewater containing high concentrations of cod and boron based on manganese-iron oxide catalytic support |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/d4a46cb166d64f699e2e5e8267d9a21b |
work_keys_str_mv |
AT yafeiyang newtechnologyfordegradationofwastewatercontaininghighconcentrationsofcodandboronbasedonmanganeseironoxidecatalyticsupport |
_version_ |
1718431377505910784 |