Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water
Application of sewage sludge biochar as an adsorbent for pollutant removal has obtained special attention due to their low cost and surface functionality. In this research, sludge–tire composite biochar (STB) was successfully prepared through co-pyrolysis at 300, 500 and 700 °C, respectively. Cadmiu...
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| Format: | Article |
| Language: | English |
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IWA Publishing
2021-03-01
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| Series: | Water Science and Technology |
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| Online Access: | http://wst.iwaponline.com/content/83/6/1429 |
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| author | Xiulei Fan Jiajun Zhang Ya Xie Dezhi Xu Yu Liu Jiaqiang Liu Jun Hou |
| author_facet | Xiulei Fan Jiajun Zhang Ya Xie Dezhi Xu Yu Liu Jiaqiang Liu Jun Hou |
| author_sort | Xiulei Fan |
| collection | DOAJ |
| description | Application of sewage sludge biochar as an adsorbent for pollutant removal has obtained special attention due to their low cost and surface functionality. In this research, sludge–tire composite biochar (STB) was successfully prepared through co-pyrolysis at 300, 500 and 700 °C, respectively. Cadmium (Cd) and tetracycline (TC) were selected as the target pollutant. The results indicated that STB has the highest surface area (49.71 m2/g), more inorganic minerals (Kaolinite) as well as relatively stable physicochemical properties with 10% tire particles (TP) at 700 °C. The adsorption results indicated that the pseudo-second-order equation and Langmuir isotherm model could better describe the adsorption of Cd2+ and TC by STB. The maximum adsorption capacity of Cd2+ and TC was 50.25 mg/g and 90.09 mg/g, respectively. The main mechanism of the adsorption process of STB for Cd mainly involves anion binding adsorption and ion exchange. The main mechanism of the adsorption process of STB for TC mainly involves complexation and cation exchange. The present study could set a scientific foundation for further research on the recycle of sewage sludge and tires. HIGHLIGHTS
700 °C was demonstrated to be the best pyrolysis temperature, 10% is the optimal blending ratio of TP.;
The blending of TP can reduce the risk of adsorbate being discharged from biochar into the environment.;
Combining with anion and ion exchange are possible ways for STB to remove Cd2+.;
Complexation and the cation exchange are possible ways for STB to remove TC.; |
| first_indexed | 2024-12-14T08:27:09Z |
| format | Article |
| id | doaj.art-a77a2b9971184bddaeafbfdc031f8bff |
| institution | Directory Open Access Journal |
| issn | 0273-1223 1996-9732 |
| language | English |
| last_indexed | 2024-12-14T08:27:09Z |
| publishDate | 2021-03-01 |
| publisher | IWA Publishing |
| record_format | Article |
| series | Water Science and Technology |
| spelling | doaj.art-a77a2b9971184bddaeafbfdc031f8bff2022-12-21T23:09:36ZengIWA PublishingWater Science and Technology0273-12231996-97322021-03-018361429144510.2166/wst.2021.058058Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from waterXiulei Fan0Jiajun Zhang1Ya Xie2Dezhi Xu3Yu Liu4Jiaqiang Liu5Jun Hou6 Key Laboratory of Industrial Pollution Control and Resource Reuse of Jiangsu Province, College of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China Key Laboratory of Industrial Pollution Control and Resource Reuse of Jiangsu Province, College of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China Key Laboratory of Industrial Pollution Control and Resource Reuse of Jiangsu Province, College of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China Key Laboratory of Industrial Pollution Control and Resource Reuse of Jiangsu Province, College of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China Key Laboratory of Industrial Pollution Control and Resource Reuse of Jiangsu Province, College of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China Key Laboratory of Industrial Pollution Control and Resource Reuse of Jiangsu Province, College of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China Application of sewage sludge biochar as an adsorbent for pollutant removal has obtained special attention due to their low cost and surface functionality. In this research, sludge–tire composite biochar (STB) was successfully prepared through co-pyrolysis at 300, 500 and 700 °C, respectively. Cadmium (Cd) and tetracycline (TC) were selected as the target pollutant. The results indicated that STB has the highest surface area (49.71 m2/g), more inorganic minerals (Kaolinite) as well as relatively stable physicochemical properties with 10% tire particles (TP) at 700 °C. The adsorption results indicated that the pseudo-second-order equation and Langmuir isotherm model could better describe the adsorption of Cd2+ and TC by STB. The maximum adsorption capacity of Cd2+ and TC was 50.25 mg/g and 90.09 mg/g, respectively. The main mechanism of the adsorption process of STB for Cd mainly involves anion binding adsorption and ion exchange. The main mechanism of the adsorption process of STB for TC mainly involves complexation and cation exchange. The present study could set a scientific foundation for further research on the recycle of sewage sludge and tires. HIGHLIGHTS 700 °C was demonstrated to be the best pyrolysis temperature, 10% is the optimal blending ratio of TP.; The blending of TP can reduce the risk of adsorbate being discharged from biochar into the environment.; Combining with anion and ion exchange are possible ways for STB to remove Cd2+.; Complexation and the cation exchange are possible ways for STB to remove TC.;http://wst.iwaponline.com/content/83/6/1429adsorptionbiocharcadmiumsewage sludgetetracyclinewaste tires |
| spellingShingle | Xiulei Fan Jiajun Zhang Ya Xie Dezhi Xu Yu Liu Jiaqiang Liu Jun Hou Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water Water Science and Technology adsorption biochar cadmium sewage sludge tetracycline waste tires |
| title | Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water |
| title_full | Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water |
| title_fullStr | Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water |
| title_full_unstemmed | Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water |
| title_short | Biochar produced from the co-pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water |
| title_sort | biochar produced from the co pyrolysis of sewage sludge and waste tires for cadmium and tetracycline adsorption from water |
| topic | adsorption biochar cadmium sewage sludge tetracycline waste tires |
| url | http://wst.iwaponline.com/content/83/6/1429 |
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