Hybrid adsorbent prepared from renewable lignin and waste egg shell for SO2 removal: Characterization and process optimization
Sun, Yong1,2; Yang, Gang3; Zhang, Lian4
2018-05-01
发表期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
卷号115页码:139-148
摘要The lignin (L) precipitated from black liquor was mixed with eggshell (ES) and followed by carbonization to prepare a hybrid porous adsorbent. The performance of removing of trace sulphur dioxide (SO2) from the air at room temperature was investigated. The optimization and statistical work was conducted by using the central composite design (CCD) together with the response surface methodology (RSM). Among the investigated operational parameters, the effect of carbonization temperature was found to be the most significant to the performance of SO2 removal by the prepared hybrid adsorbent. With an increase of carbonization temperature, the specific surface area increased appreciably reaching 130 m(2). g(-1) at 800 degrees C (L-ES-50-800-50). XRD analysis indicates the crystallite phase transition from calcite (CaCO3) to limestone (CaO) with an increase of carbonization temperature. The FT-IR study indicates the disappearance of out-plane vibration peaks of C-O from CaCO3 and gradual appearance of peaks from Ca-O of limestone on the surface of prepared hybrid material as an increase of carbonization temperature. The increased specific surface area and amount of limestone in the prepared hybrid adsorbent are found to contribute to the increased SO2 removal by the prepared hybrid adsorbent. The final optimal preparation condition was determined using RSM by setting maximum SO2 removal performance as optimization goal. The optimal preparation conditions achieved were: 50%= L/(L+ ES), carbonized at 800 degrees C for the duration of 50 min. The prepared hybrid adsorbent at the optimal preparation condition showed excellent SO2 removal performances in both wet and dry conditions.
关键词Hybrid Adsorbent Lignin Eggshell So2 Removal
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.ecoleng.2018.02.013
收录类别SCI
语种英语
关键词[WOS]RESPONSE-SURFACE METHODOLOGY ; ACTIVATED CARBON ; HYDROGEN-SULFIDE ; BIOTECHNOLOGICAL PROCESSES ; CHEMICAL-COMPOSITION ; CHLORINE DIOXIDE ; CHICKEN EGGSHELL ; KRAFT LIGNIN ; ADSORPTION ; PERFORMANCE
WOS研究方向Environmental Sciences & Ecology ; Engineering
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
项目资助者institute of processes engineering of Chinese Academy of Sciences ; Anpeng Energy Co. Ltd.
WOS记录号WOS:000427580600014
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24119
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Univ Nottingham Ningbo China, Dept Chem Engn & Environm, 199 Taikang E Rd, Ningbo 315100, Zhejiang, Peoples R China
2.Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Joondalup, WA 6027, Australia
3.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Cleaner Prod Technol, Beijing 100190, Peoples R China
4.Monash Univ, Dept Chem Engn, Clayton, Vic 3800, Australia
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Sun, Yong,Yang, Gang,Zhang, Lian. Hybrid adsorbent prepared from renewable lignin and waste egg shell for SO2 removal: Characterization and process optimization[J]. ECOLOGICAL ENGINEERING,2018,115:139-148.
APA Sun, Yong,Yang, Gang,&Zhang, Lian.(2018).Hybrid adsorbent prepared from renewable lignin and waste egg shell for SO2 removal: Characterization and process optimization.ECOLOGICAL ENGINEERING,115,139-148.
MLA Sun, Yong,et al."Hybrid adsorbent prepared from renewable lignin and waste egg shell for SO2 removal: Characterization and process optimization".ECOLOGICAL ENGINEERING 115(2018):139-148.
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