Extraction optimization and quality evaluation of humic acids from lignite using the cell-free filtrate of MJ51

Bio-solubilization of lignite is a promising technology to transform coal into humic acids (HAs) which are broadly used in agriculture. In this work, HAs were extracted from lignite using the cell-free filtrate (CFF) of Penicillium ortum MJ51. The extraction method was optimized using response surfa...

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Veröffentlicht in:	RSC advances 2021-12, Vol.12 (1), p.528-539
Hauptverfasser:	Li, Shiying, Tan, Jinfang, Wang, Yi, Li, Peipei, Hu, Desheng, Shi, Qiuzhe, Yue, Yanjun, Li, Fang, Han, Yanlai
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