感应热固定床CWPO处理染料废水的催化剂制备及其性能

靳菁; 李剑超; 毛勇; 徐娜

环境工程学报

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靳菁, 李剑超, 毛勇, 徐娜. 感应热固定床CWPO处理染料废水的催化剂制备及其性能[J]. 环境工程学报, 2014, 8(8): 3125-3131.

引用本文:

靳菁, 李剑超, 毛勇, 徐娜. 感应热固定床CWPO处理染料废水的催化剂制备及其性能[J]. 环境工程学报, 2014, 8(8): 3125-3131.

Jin Jing, Li Jianchao, Mao Yong, Xu Na. Preparation and performance of catalysts for dye wastewater treatment using CWPO in induction heating fixed bed (IHFB) reactor[J]. Chinese Journal of Environmental Engineering, 2014, 8(8): 3125-3131.

Citation:

Jin Jing, Li Jianchao, Mao Yong, Xu Na. Preparation and performance of catalysts for dye wastewater treatment using CWPO in induction heating fixed bed (IHFB) reactor[J]. Chinese Journal of Environmental Engineering, 2014, 8(8): 3125-3131.

感应热固定床CWPO处理染料废水的催化剂制备及其性能

1.
陕西师范大学环境科学系, 西安 710062
2.
四川众望安全环保咨询有限公司, 成都 610014
基金项目:
国家自然科学基金资助项目（50309011）

陕西省攻关计划项目（2011K17-03-06）

中央高校基本科研业务费专项资金项目（JK200902019）
中图分类号: X703

Preparation and performance of catalysts for dye wastewater treatment using CWPO in induction heating fixed bed (IHFB) reactor

1.
Department of Environmental Science, Shanxi Normal University, Xi'an 710062, China
2.
Sichuan Zhongwang Consulting Company, Chengdu 610014, China
Fund Project:

摘要: 感应热固定床（IHFB）作为新型热传递方式下非均相反应器，利用感应加热铁磁材料将热量传递至液相，形成固液界面高温微反应区，实现有机废水低能高效降解。实验以海绵铁为感应内核，淀粉为碳源，0.2 mol/L硝酸镍为浸渍溶液，按照一定固液比采用浸渍焙烧法制备了C包覆表层负载NiO的感应热催化剂（mNiO/C），对mNiO/C材料的形态结构进行了SEM、ES和XRD表征。结果表明，铁碳比（Fe/C）3：1、浸渍固液比1：1、500℃下焙烧2 h，重复包覆3次所得的mNiO/C材料结构最稳定、催化活性最大。并以直接紫D-BL模拟废水为进水，考察了流动状态下感应热固定床催化湿式过氧化氢氧化法（CWPO）降解染料废水的性能，在最优条件下，染料降解率高达80%以上。
- 催化剂 /
- 海绵铁 /
- 染料废水 /
- 固定床
Abstract: The induction heating fixed bed (IHFB) reactor was realized as a novel thermal transfer pathway in the aqueous heterogeneous reactions. Working with the high solid/liquid interface temperature derived from the direct ferromagnetic-heating on the micro-reaction zone, the degradation of aqueous organic pollutants was improved from the traditional pathway. In order to promote the selective heating in the novel technology, a kind of coated catalyst with magnetic core (mNiO/C) was prepared from sponge iron by nickel-impregnation and calcination. The surface morphology and chemical structure of the prepared mNiO/C material were characterized by SEM and XRD. The results showed that mNiO/C has maximum catalytic activity under the preparation conditions of Fe/C 3:1, solid-liquid ratio 1:1 (g/mL) and 500℃ calcination for 2 hours. The direct violet D-BL dye wastewater was selected as a target to investigate the performance of the system of CWPO reactions in IHFB. Under the optimum conditions, the degradation rate of dye gets to 80%.
- catalyst /
- sponge iron /
- dye wastewater /
- fix bed

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靳菁, 李剑超, 毛勇, 徐娜. 感应热固定床CWPO处理染料废水的催化剂制备及其性能[J]. 环境工程学报, 2014, 8(8): 3125-3131.

引用本文:

靳菁, 李剑超, 毛勇, 徐娜. 感应热固定床CWPO处理染料废水的催化剂制备及其性能[J]. 环境工程学报, 2014, 8(8): 3125-3131.

Citation:

感应热固定床CWPO处理染料废水的催化剂制备及其性能

1. 陕西师范大学环境科学系, 西安 710062
2. 四川众望安全环保咨询有限公司, 成都 610014

收稿日期: 2013-09-20

基金项目:

国家自然科学基金资助项目（50309011）

陕西省攻关计划项目（2011K17-03-06）

中央高校基本科研业务费专项资金项目（JK200902019）

关键词:

催化剂 /
海绵铁 /
染料废水 /
固定床

摘要: 感应热固定床（IHFB）作为新型热传递方式下非均相反应器，利用感应加热铁磁材料将热量传递至液相，形成固液界面高温微反应区，实现有机废水低能高效降解。实验以海绵铁为感应内核，淀粉为碳源，0.2 mol/L硝酸镍为浸渍溶液，按照一定固液比采用浸渍焙烧法制备了C包覆表层负载NiO的感应热催化剂（mNiO/C），对mNiO/C材料的形态结构进行了SEM、ES和XRD表征。结果表明，铁碳比（Fe/C）3：1、浸渍固液比1：1、500℃下焙烧2 h，重复包覆3次所得的mNiO/C材料结构最稳定、催化活性最大。并以直接紫D-BL模拟废水为进水，考察了流动状态下感应热固定床催化湿式过氧化氢氧化法（CWPO）降解染料废水的性能，在最优条件下，染料降解率高达80%以上。

English Abstract

Preparation and performance of catalysts for dye wastewater treatment using CWPO in induction heating fixed bed (IHFB) reactor

1. Department of Environmental Science, Shanxi Normal University, Xi'an 710062, China
2. Sichuan Zhongwang Consulting Company, Chengdu 610014, China

Received Date: 2013-09-20

Fund Project:

Keywords:

Abstract: The induction heating fixed bed (IHFB) reactor was realized as a novel thermal transfer pathway in the aqueous heterogeneous reactions. Working with the high solid/liquid interface temperature derived from the direct ferromagnetic-heating on the micro-reaction zone, the degradation of aqueous organic pollutants was improved from the traditional pathway. In order to promote the selective heating in the novel technology, a kind of coated catalyst with magnetic core (mNiO/C) was prepared from sponge iron by nickel-impregnation and calcination. The surface morphology and chemical structure of the prepared mNiO/C material were characterized by SEM and XRD. The results showed that mNiO/C has maximum catalytic activity under the preparation conditions of Fe/C 3:1, solid-liquid ratio 1:1 (g/mL) and 500℃ calcination for 2 hours. The direct violet D-BL dye wastewater was selected as a target to investigate the performance of the system of CWPO reactions in IHFB. Under the optimum conditions, the degradation rate of dye gets to 80%.

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感应热固定床CWPO处理染料废水的催化剂制备及其性能

Preparation and performance of catalysts for dye wastewater treatment using CWPO in induction heating fixed bed (IHFB) reactor

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感应热固定床CWPO处理染料废水的催化剂制备及其性能

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Preparation and performance of catalysts for dye wastewater treatment using CWPO in induction heating fixed bed (IHFB) reactor

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