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| DOI | 10.1016/j.cej.2023.148420 |
| Innovative electrode sacrifice method: Enhancing sludge biochar modification and enabling multiple resources recovery through coupled adsorption-struvite precipitation | |
| 发表日期 | 2024 |
| ISSN | 1385-8947 |
| EISSN | 1873-3212 |
| 起始页码 | 481 |
| 卷号 | 481 |
| 英文摘要 | In response to climate change and phosphorus (P) resource crisis, this study designed a treatment process that coupled adsorption-struvite precipitation to concurrently facilitate carbon fixation and nutrient recovery. A novel electrolysis -pyrolysis method was proposed to prepare a highly -efficient Mg -modified sludge biochar, designated as SB(@EMg), where sewage sludge was used as the raw material to promote carbon reduction in wastewater industry. SB(@EMg) outperformed those adsorbents prepared by other methods with an equivalent Mg feed. As a result, SB(@EMg) effectively facilitated the sequestration of PO43--P through ligand exchange and co -precipitation, achieving a maximum adsorption capacity of 227.98 mg/g. Application of SB(@EMg) for the treatment of P industrial wastewater could achieve 0.13 mg/L of effluent PO43--P concentration. The P -saturated SB(@EMg) was proved to effectively recover NH4+-N and PO43--P from swine wastewater, which could achieve an efficiency of 79.3 % for NH4+-N and 99.11 % for PO43--P. The final product, enriched with P, N and Mg elements, exhibited the potential to promote corn growth as a fertilizer. This innovative process accomplishes multiple resources recovery and utilization without giving rise to secondary pollution, thereby robustly supporting sustainable development and carbon reduction efforts. |
| 英文关键词 | Sludge biochar; Electrode sacrifice; Phosphorus recovery; Nitrogen recovery; Adsorption; Struvite precipitation |
| 语种 | 英语 |
| WOS研究方向 | Engineering |
| WOS类目 | Engineering, Environmental ; Engineering, Chemical |
| WOS记录号 | WOS:001152039200001 |
| 来源期刊 | CHEMICAL ENGINEERING JOURNAL
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/295187 |
| 作者单位 | Dongguan University of Technology; University of Auckland |
| 推荐引用方式 GB/T 7714 | . Innovative electrode sacrifice method: Enhancing sludge biochar modification and enabling multiple resources recovery through coupled adsorption-struvite precipitation[J],2024,481. |
| APA | (2024).Innovative electrode sacrifice method: Enhancing sludge biochar modification and enabling multiple resources recovery through coupled adsorption-struvite precipitation.CHEMICAL ENGINEERING JOURNAL,481. |
| MLA | "Innovative electrode sacrifice method: Enhancing sludge biochar modification and enabling multiple resources recovery through coupled adsorption-struvite precipitation".CHEMICAL ENGINEERING JOURNAL 481(2024). |
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