Double-function synergistic treatment system: Mask-biochar package for methylene blue adsorption and high-quality bioproducts recovery via pyrolysis in wastewater treatment and fuel production
文献类型： 外文期刊
作者： Yang, Jingwen 1 ; He, Sirong 1 ; Zhu, Weiyi 1 ; Cao, Bin 1 ; Chen, Hao 1 ; Esakkimuthu, Sivakumar 1 ; Xu, Shannan 2 ; Wang, Shuang 1 ;
作者机构： 1.Jiangsu Univ, Sch Energy & Power Engn, Jiangsu 212013, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangdong Prov Key Lab Fishery Ecol & Environm, Key Lab Marine Ranching,Minist Agr & Rural Affairs, Guangzhou 510300, Peoples R China
3.Sci Observat & Res Stn Pearl River Estuary Ecosyst, Guangzhou 510300, Peoples R China
4.Sanya Trop Fisheries Res Inst, Key Lab Efficient Utilizat & Proc Marine Fishery R, Sanya 572018, Hainan, Peoples R China
关键词： Discarded mask; Wastewater treatment; Biochar; Bio-oil; Closed-loop recycling
期刊名称：JOURNAL OF MOLECULAR LIQUIDS （ 影响因子：6.0； 五年影响因子：5.6 ）
ISSN： 0167-7322
年卷期： 2024 年 396 卷
页码：
收录情况： SCI
摘要： Waste disposable masks cause serious environmental pollution due to their slow degradation. This study investigated a simple and efficient method to recycle masks for high-value additional utilization. Polypropylene-based waste masks were dismantled and combined with Enteromorpha clathrate biochar (AC) to produce maskbiochar packages (M-AC), which were applied to wastewater (containing methylene blue) treatment. The results showed that compared with AC alone, the removal rate of MB solution by mask-biochar packages (M-AC) increased by 18.50 %. Then, the used mask-biochar packages (M-AC) were pyrolyzed at 550 C to obtain hydrocarbon-rich bio-oil and composite biochar (MAC). Compared to MAC alone, the mask-biochar package (MMAC) increased the removal rate of MB by 10.16 %. The composite biochar has achieved a high adsorption capacity of 820.925 mg.g(-1) without any activator and acid washing process. The hydrocarbon content is 55.31 % which makes it a hydrocarbon-rich bio-oil. This study provided effective experimental support for the combined use of biomass and mask for waste treatment and for the production of biochar.
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