A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes
Adsorption is commonly accepted as a most promising strategy in dye wastewater treatment, and the widespread use of adsorption emphasizes the need to explore low-cost but excellent adsorbents. Herein, a low-cost adsorbent (calcium-rich biochar) was developed, which was directly pyrolyzed from spent...
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Frontiers Media S.A.
2022-09-01
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| Series: | Frontiers in Bioengineering and Biotechnology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fbioe.2022.1007630/full |
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| author | Haibo Zhang Haibo Zhang Haibo Zhang Long Su Caiping Cheng Hongyan Cheng Mingchang Chang Mingchang Chang Fenwu Liu Fenwu Liu Na Liu Kokyo Oh |
| author_facet | Haibo Zhang Haibo Zhang Haibo Zhang Long Su Caiping Cheng Hongyan Cheng Mingchang Chang Mingchang Chang Fenwu Liu Fenwu Liu Na Liu Kokyo Oh |
| author_sort | Haibo Zhang |
| collection | DOAJ |
| description | Adsorption is commonly accepted as a most promising strategy in dye wastewater treatment, and the widespread use of adsorption emphasizes the need to explore low-cost but excellent adsorbents. Herein, a low-cost adsorbent (calcium-rich biochar) was developed, which was directly pyrolyzed from spent mushroom substate without any modification. This study evaluated the potential application of two calcium-rich biochars (GSBC and LSBC) derived from spent substrates of Ganoderma lucidum and Lentinus edodes, respectively. The effects of pyrolysis temperature on the calcium-rich biochars characteristics and their adsorption mechanism for cationic dyes (Malachite Green oxalate (MG) and Safranine T (ST)) were studied systematically. The increase in pyrolysis temperature from 350 to 750 °C led to an increase in both biochar ash, Ca content, and specific surface area, which made high-temperature biochars (GS750 and LS750) the superior adsorbents for cationic dyes. Batch adsorption results showed LS750 was more efficient to adsorb dyes than GS750 attributed to its higher Ca content and larger specific surface area. According to the Langmuir model, LS750 had high adsorption capacities of 9,388.04 and 3,871.48 mg g−1 for Malachite green and ST, respectively. The adsorption mechanism of dye MG could be attributed to pore filling, hydrogen bonding, electrostatic interaction, ion exchange, and π-π stacking, while ST adsorption mainly involved pore filling, electrostatic interaction, ion exchange, and π-π stacking. Attributed to their excellent adsorption performance, cheap source, and good reusability, biochars obtained from SMSs were very promising in dyeing wastewater treatment. |
| first_indexed | 2024-04-14T08:17:03Z |
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| language | English |
| last_indexed | 2024-04-14T08:17:03Z |
| publishDate | 2022-09-01 |
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| series | Frontiers in Bioengineering and Biotechnology |
| spelling | doaj.art-0f52d67b567d41499b5b2617c9b14cd52022-12-22T02:04:21ZengFrontiers Media S.A.Frontiers in Bioengineering and Biotechnology2296-41852022-09-011010.3389/fbioe.2022.10076301007630A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyesHaibo Zhang0Haibo Zhang1Haibo Zhang2Long Su3Caiping Cheng4Hongyan Cheng5Mingchang Chang6Mingchang Chang7Fenwu Liu8Fenwu Liu9Na Liu10Kokyo Oh11College of Resources and Environment, Shanxi Agricultural University, Taigu, ChinaState Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Shanxi, Taiyuan, ChinaShanxi Key Laboratory of Edible Fungi for Loess Plateau, Taigu, ChinaCollege of Resources and Environment, Shanxi Agricultural University, Taigu, ChinaCollege of Basic Science, Shanxi Agricultural University, Taigu, ChinaCollege of Resources and Environment, Shanxi Agricultural University, Taigu, ChinaCollege of Food Science and Engineering, Shanxi Agricultural University, Taigu, ChinaCollaborative Innovation Center of Advancing Quality and Efficiency of Loess Plateau Edible Fungi, Taigu, ChinaCollege of Resources and Environment, Shanxi Agricultural University, Taigu, ChinaState Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Shanxi, Taiyuan, ChinaCollege of Resources and Environment, Shanxi Agricultural University, Taigu, ChinaCenter for Environmental Science in Saitama, Kazo, JapanAdsorption is commonly accepted as a most promising strategy in dye wastewater treatment, and the widespread use of adsorption emphasizes the need to explore low-cost but excellent adsorbents. Herein, a low-cost adsorbent (calcium-rich biochar) was developed, which was directly pyrolyzed from spent mushroom substate without any modification. This study evaluated the potential application of two calcium-rich biochars (GSBC and LSBC) derived from spent substrates of Ganoderma lucidum and Lentinus edodes, respectively. The effects of pyrolysis temperature on the calcium-rich biochars characteristics and their adsorption mechanism for cationic dyes (Malachite Green oxalate (MG) and Safranine T (ST)) were studied systematically. The increase in pyrolysis temperature from 350 to 750 °C led to an increase in both biochar ash, Ca content, and specific surface area, which made high-temperature biochars (GS750 and LS750) the superior adsorbents for cationic dyes. Batch adsorption results showed LS750 was more efficient to adsorb dyes than GS750 attributed to its higher Ca content and larger specific surface area. According to the Langmuir model, LS750 had high adsorption capacities of 9,388.04 and 3,871.48 mg g−1 for Malachite green and ST, respectively. The adsorption mechanism of dye MG could be attributed to pore filling, hydrogen bonding, electrostatic interaction, ion exchange, and π-π stacking, while ST adsorption mainly involved pore filling, electrostatic interaction, ion exchange, and π-π stacking. Attributed to their excellent adsorption performance, cheap source, and good reusability, biochars obtained from SMSs were very promising in dyeing wastewater treatment.https://www.frontiersin.org/articles/10.3389/fbioe.2022.1007630/fulladsorption mechanismbiocharcalciumcationic dyespent mushroom substrate |
| spellingShingle | Haibo Zhang Haibo Zhang Haibo Zhang Long Su Caiping Cheng Hongyan Cheng Mingchang Chang Mingchang Chang Fenwu Liu Fenwu Liu Na Liu Kokyo Oh A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes Frontiers in Bioengineering and Biotechnology adsorption mechanism biochar calcium cationic dye spent mushroom substrate |
| title | A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes |
| title_full | A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes |
| title_fullStr | A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes |
| title_full_unstemmed | A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes |
| title_short | A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes |
| title_sort | new type of calcium rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes |
| topic | adsorption mechanism biochar calcium cationic dye spent mushroom substrate |
| url | https://www.frontiersin.org/articles/10.3389/fbioe.2022.1007630/full |
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