Functional biochar fabricated from waste red mud and corn straw in China for acidic dye wastewater treatment

doi:10.1016/j.jclepro.2021.128887

	Functional biochar fabricated from waste red mud and corn straw in China for acidic dye wastewater treatment
	Gao, Yujie 1,2; Zhang, Jia 1,3; Chen, Chaowen 1,3; Du, Yue 1,3; Teng, Guopeng 1,2; Wu, Zhengyan 1,3
刊名	JOURNAL OF CLEANER PRODUCTION
	2021-10-20
卷号	320
关键词	Red mud Corn straw Acid dye Pyrolysis Functional biochar Wastewater treatment
ISSN号	0959-6526
DOI	10.1016/j.jclepro.2021.128887
通讯作者	Zhang, Jia(zhangj@iim.ac.cn) ; Wu, Zhengyan(zywu@ipp.ac.cn)
英文摘要	Red mud (RM) is an industrial waste that needs proper disposal without incurring hazards to the environment. In this study, we used RM and corn straw (CS) to fabricate functional biochar composites (FBCs) via pyrolysis. We fully characterized the changes in morphology and composition on the preparation of FBCs at different pyrolytic temperature and the gaseous products during pyrolysis. It was found that a porous structure was generated on CS, endowing FBCs with the ability to remove dyes in water. Moreover, CaO was created through the decom-position of CaCO3 in RM at similar to 700 degrees C, suggesting that FBCs could be used to neutralize the acidic wastewater. Hence, FBCs showed excellent performance in treating acidic dye wastewater, a common industrial wastewater with high contents of acid and dye and for which disposal is laborious. Additionally, FBCs exhibited magnetism because magnetic zero-valent iron was generated by the reduction of ferric oxide in RM with the CS gaseous product (CO) during pyrolysis. This work provided a dual-win strategy for waste recyclability and wastewater treatment, and the proposed method may have potential applications.
资助项目	Science and Technology Service Programs of Chinese Academy of Sciences[KFJ-STS-QYZD-115] ; National Key R&D Program of China[2018YFD0300903-4] ; Key R&D Program of Ningxia Province[2018BBF02021] ; Science and Technology Major Project of Anhui Province[17030701051]
WOS关键词	TG-MS ; ADSORPTION ; PYROLYSIS ; SCANDIUM
WOS研究方向	Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000728578800006
资助机构	Science and Technology Service Programs of Chinese Academy of Sciences ; National Key R&D Program of China ; Key R&D Program of Ningxia Province ; Science and Technology Major Project of Anhui Province
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/126426]
专题	中国科学院合肥物质科学研究院
通讯作者	Zhang, Jia; Wu, Zhengyan
作者单位	1.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab High Magnet Field & Ion Beam Phys Biol, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Environm Toxicol & Pollut Control Technol, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Gao, Yujie,Zhang, Jia,Chen, Chaowen,et al. Functional biochar fabricated from waste red mud and corn straw in China for acidic dye wastewater treatment[J]. JOURNAL OF CLEANER PRODUCTION,2021,320.
APA	Gao, Yujie,Zhang, Jia,Chen, Chaowen,Du, Yue,Teng, Guopeng,&Wu, Zhengyan.(2021).Functional biochar fabricated from waste red mud and corn straw in China for acidic dye wastewater treatment.JOURNAL OF CLEANER PRODUCTION,320.
MLA	Gao, Yujie,et al."Functional biochar fabricated from waste red mud and corn straw in China for acidic dye wastewater treatment".JOURNAL OF CLEANER PRODUCTION 320(2021).