Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC
This paper conducts the column experiments in the laboratory,simulates the removal of nitrogen and phosphorus in groundwater by natural zeolite and iron-oxide coated zeolite through the geochemical model PHREEQC,respectively,and predicts and compares the long-term removal performance of nitrogen and...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Pearl River
2021-01-01
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| Series: | Renmin Zhujiang |
| Subjects: | |
| Online Access: | http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2021.05.016 |
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| _version_ | 1841535735697506304 |
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| author | LIANG Xingmei ZHUANG Luwen LIN Kairong WANG Lu ZHOU Jiangang |
| author_facet | LIANG Xingmei ZHUANG Luwen LIN Kairong WANG Lu ZHOU Jiangang |
| author_sort | LIANG Xingmei |
| collection | DOAJ |
| description | This paper conducts the column experiments in the laboratory,simulates the removal of nitrogen and phosphorus in groundwater by natural zeolite and iron-oxide coated zeolite through the geochemical model PHREEQC,respectively,and predicts and compares the long-term removal performance of nitrogen and phosphorus by natural zeolite and iron-oxide coated zeolite.The results show that the iron-oxide coated zeolite is able to remove nitrogen and phosphorus more effectively than natural zeolite with coexistence of the two pollutants.The main mechanisms of nitrogen removal by iron-oxide coated zeolite are ion exchange and physical adsorption,while that of phosphate are hydration reaction of iron oxide.The simulation results also show that the removal of nitrogen and phosphorus by iron-oxide coated zeolite differs from each other a lot under different pH conditions and thicknesses of capping material. |
| format | Article |
| id | doaj-art-e20f411cfec7444aababc4c052def73c |
| institution | Kabale University |
| issn | 1001-9235 |
| language | zho |
| publishDate | 2021-01-01 |
| publisher | Editorial Office of Pearl River |
| record_format | Article |
| series | Renmin Zhujiang |
| spelling | doaj-art-e20f411cfec7444aababc4c052def73c2025-01-15T02:29:28ZzhoEditorial Office of Pearl RiverRenmin Zhujiang1001-92352021-01-014247648402Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQCLIANG XingmeiZHUANG LuwenLIN KairongWANG LuZHOU JiangangThis paper conducts the column experiments in the laboratory,simulates the removal of nitrogen and phosphorus in groundwater by natural zeolite and iron-oxide coated zeolite through the geochemical model PHREEQC,respectively,and predicts and compares the long-term removal performance of nitrogen and phosphorus by natural zeolite and iron-oxide coated zeolite.The results show that the iron-oxide coated zeolite is able to remove nitrogen and phosphorus more effectively than natural zeolite with coexistence of the two pollutants.The main mechanisms of nitrogen removal by iron-oxide coated zeolite are ion exchange and physical adsorption,while that of phosphate are hydration reaction of iron oxide.The simulation results also show that the removal of nitrogen and phosphorus by iron-oxide coated zeolite differs from each other a lot under different pH conditions and thicknesses of capping material.http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2021.05.016PHREEQCnumerical simulationnitrogen and phosphateiron-oxide coated zeolitepH |
| spellingShingle | LIANG Xingmei ZHUANG Luwen LIN Kairong WANG Lu ZHOU Jiangang Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC Renmin Zhujiang PHREEQC numerical simulation nitrogen and phosphate iron-oxide coated zeolite pH |
| title | Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC |
| title_full | Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC |
| title_fullStr | Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC |
| title_full_unstemmed | Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC |
| title_short | Numerical Studies on Removal of Nitrogen and Phosphorus by Iron-Oxide Coated Zeolite in PHREEQC |
| title_sort | numerical studies on removal of nitrogen and phosphorus by iron oxide coated zeolite in phreeqc |
| topic | PHREEQC numerical simulation nitrogen and phosphate iron-oxide coated zeolite pH |
| url | http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2021.05.016 |
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