Preparation of aluminum-loaded activated carbon fiber and its nitrogen and phosphorus removal performance

doi:10.11894/iwt.2020-0017

Industrial Water Treatment ›› 2020, Vol. 40 ›› Issue (11): 79-83. doi: 10.11894/iwt.2020-0017

• Research and Experiment • Previous Articles Next Articles

Preparation of aluminum-loaded activated carbon fiber and its nitrogen and phosphorus removal performance

Peng Zhao^1,²(),Hongyan Li^1,^2,*(),Jianguo Cui^1,²,Feng Zhang^1,²,Lianxin Liu^1,²,Shangming Li³

1. College of Environmental Science and Engineering, Taiyuan University of Technology, Jinzhong 030600, China
2. Innovation Center for Postgraduate Education in Municipal Engineering of Shanxi Province, Jinzhong 030600, China
3. College of Material Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Received:2020-07-31 Online:2020-11-20 Published:2020-11-24
Contact: Hongyan Li E-mail:zp951211@163.com;lhy3162@126.com

载铝活性炭纤维的制备及其脱氮除磷性能

赵鹏^1,²(),李红艳^1,^2,*(),崔建国^1,²,张峰^1,²,刘连鑫^1,²,李尚明³

1. 太原理工大学环境科学与工程学院, 山西晋中 030600
2. 山西省市政工程研究生教育创新中心, 山西晋中 030600
3. 太原理工大学材料科学与工程学院, 山西太原 030024

通讯作者: 李红艳 E-mail:zp951211@163.com;lhy3162@126.com
作者简介:赵鹏(1995-),硕士。E-mail:zp951211@163.com
基金资助:
山西省重点研发计划项目（社会发展领域）(201803D31046);山西省重点研发计划项目（农业领域）(201703D211013)

Abstract

Abstract:

An adsorbent(Al-ACF) loaded with activated alumina(γ-Al₂O₃) was prepared using activated carbon fiber(ACF) as carrier. It was characterized and analyzed by SEM and FTIR. The adsorption and fixation mechanism of nitrogen and phosphorus on the surface of Al-ACF and the change of crystal structure of γ-Al₂O₃ were discussed. ACF is conducive to the high dispersion of γ-Al₂O₃ and the increase of its lattice defects as a carrier. The synergy between ACF and γ-Al₂O₃ also improves the nitrogen and phosphorus removal performance of Al-ACF. The Al-ACF nitrogen and phosphorus removal system is dominated by ion exchange, and electrostatic attraction and pore adsorption also exist simultaneously.

Key words: activated carbon fiber, activated alumina, nitrogen and phosphorus removal, adsorption and fixation

摘要：

以活性炭纤维（ACF）为载体，制备了负载活性氧化铝（γ-Al₂O₃）的吸附材料（Al-ACF），利用SEM、FTIR对其进行表征分析，并探讨了氮磷在Al-ACF表面的吸附固定机制及γ-Al₂O₃晶体结构变化。ACF作为载体，有利于γ-Al₂O₃获得高分散度且增大其晶格缺陷程度，ACF与γ-Al₂O₃之间的协同作用也提高了Al-ACF脱氮除磷性能。Al-ACF脱氮除磷体系中以离子交换为主导，静电吸引和孔隙吸附也同时存在。

关键词: 活性炭纤维, 活性氧化铝, 脱氮除磷, 吸附固定

CLC Number:

X703

Peng Zhao,Hongyan Li,Jianguo Cui,Feng Zhang,Lianxin Liu,Shangming Li. Preparation of aluminum-loaded activated carbon fiber and its nitrogen and phosphorus removal performance[J]. Industrial Water Treatment, 2020, 40(11): 79-83.

赵鹏,李红艳,崔建国,张峰,刘连鑫,李尚明. 载铝活性炭纤维的制备及其脱氮除磷性能[J]. 工业水处理, 2020, 40(11): 79-83.

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URL: https://www.iwt.cn/EN/10.11894/iwt.2020-0017

https://www.iwt.cn/EN/Y2020/V40/I11/79

Figures/Tables 7

References 14

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C₀/（mg·L^-1）		准一级动力学模型			准二级动力学模型
C₀/（mg·L^-1）		K₁/min^-1	q_e/（mg·g^-1）	R²	K₂/min^-1	q_e/（mg·g^-1）	R²
P	5	0.072 3	0.417 7	0.923 3	0.495 1	1.014 4	0.999 5
	10	0.058 0	1.466 1	0.977 4	0.122 3	2.050 4	0.998 4
	20	0.029 8	1.399 9	0.829 6	0.100 9	3.136 8	0.999 1
	30	0.028 9	2.544 4	0.942 5	0.058 4	4.053 5	0.996 0
	40	0.029 4	2.503 0	0.920 5	0.043 9	4.235 5	0.998 2
NH₄⁺-N	10	0.021 0	0.865 2	0.960 7	0.050 8	1.235 2	0.990 0
	20	0.020 5	0.658 8	0.888 2	0.099 0	1.420 7	0.994 8
	40	0.024 2	0.811 4	0.963 7	0.095 7	1.954 3	0.996 5

C₀/（mg·L^-1）		准一级动力学模型			准二级动力学模型
C₀/（mg·L^-1）		K₁/min^-1	q_e/（mg·g^-1）	R²	K₂/min^-1	q_e/（mg·g^-1）	R²
P	5	0.072 3	0.417 7	0.923 3	0.495 1	1.014 4	0.999 5
	10	0.058 0	1.466 1	0.977 4	0.122 3	2.050 4	0.998 4
	20	0.029 8	1.399 9	0.829 6	0.100 9	3.136 8	0.999 1
	30	0.028 9	2.544 4	0.942 5	0.058 4	4.053 5	0.996 0
	40	0.029 4	2.503 0	0.920 5	0.043 9	4.235 5	0.998 2
NH₄⁺-N	10	0.021 0	0.865 2	0.960 7	0.050 8	1.235 2	0.990 0
	20	0.020 5	0.658 8	0.888 2	0.099 0	1.420 7	0.994 8
	40	0.024 2	0.811 4	0.963 7	0.095 7	1.954 3	0.996 5

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