1. Hydrothermal Liquefaction for Biofuel Synthesis: Assessment of VFA (Volatile Fatty Acid) and FAME (Fatty Acid Methyl Ester) Profiles from Spent Coffee Grounds. (2025). Liakos, Dimitrios ; Altiparmaki, Georgia ; Malamis, Simos ; Vakalis, Stergios.
   In: Energies.
   RePEc:gam:jeners:v:18:y:2025:i:8:p:2094-:d:1637442.

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2. Optimizing catalytic hydrothermal carbonization of Eucalyptus grandis sawdust for enhanced biomass energy production: Statistical analysis and insights of sustainable carbon-neutral pathways. (2025). da Silva, Nayara Tamires ; Bianchi, Maria Lcia ; Trugilho, Paulo Fernando ; Mendoza-Martinez, Clara ; de Paula, Thiago ; Silveira, Edgar A.
   In: Energy.
   RePEc:eee:energy:v:317:y:2025:i:c:s0360544225002890.

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3. Overview of Traditional and Contemporary Industrial Production Technologies for Biochar along with Quality Standardization Methods. (2024). Madar, Viktor ; Kocsis, Tamas ; Koves, Matyas ; Ringer, Marianna.
   In: Land.
   RePEc:gam:jlands:v:13:y:2024:i:9:p:1388-:d:1466515.

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4. Enhancing the Fuel Properties of Spent Coffee Grounds through Hydrothermal Carbonization: Output Prediction and Post-Treatment Approaches. (2023). Fischer, Marcus G ; Libra, Judy A ; Farru, Gianluigi ; Glaser, Claudia ; Dang, Chau Huyen.
   In: Sustainability.
   RePEc:gam:jsusta:v:16:y:2023:i:1:p:338-:d:1310371.

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5. Hydrochars Derived from Spent Coffee Grounds as Zn Bio-Chelates for Agronomic Biofortification. (2023). Navarro-Alarcon, Miguel ; Lara-Ramos, Leslie ; Fernandez-Bayo, Jesus ; Delgado, Gabriel ; Cervera-Mata, Ana ; Fernandez-Arteaga, Alejandro.
   In: Sustainability.
   RePEc:gam:jsusta:v:15:y:2023:i:13:p:10700-:d:1188696.

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6. Application of Spent Coffee Grounds (SCGs) as a Fuel and Alternative Reducer of Slags from the Copper Industry. (2023). Wojtal, Tomasz ; Matula, Tomasz ; Madej, Piotr ; Mycka, Lukasz ; Kortyka, Lukasz ; Jaworek, Lukasz ; Blacha, Leszek ; Nowacki, Krzysztof ; Labaj, Jerzy.
   In: Energies.
   RePEc:gam:jeners:v:16:y:2023:i:5:p:2415-:d:1086403.

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7. Simulation and Exergoeconomic Analysis of a Trigeneration System Based on Biofuels from Spent Coffee Grounds. (2023). Lopez, Oscar Patio ; Torres, Myrian Santos ; Mero-Benavides, Medelyne ; Tinoco, Diana L ; Blanco, Ana M ; Medina, Alexis Lozano.
   In: Energies.
   RePEc:gam:jeners:v:16:y:2023:i:4:p:1816-:d:1065718.

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8. Advancements of Biochar-Based Catalyst for Improved Production of Biodiesel: A Comprehensive Review. (2023). Soomro, Suhail Ahmed ; Kumar, Sooraj ; Uqaili, Mohammad Aslam ; Harijan, Khanji.
   In: Energies.
   RePEc:gam:jeners:v:16:y:2023:i:2:p:644-:d:1026008.

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9. Hydrothermal Carbonization of Digestate Produced in the Biogas Production Process. (2023). Kunia, Monika ; Wilk, Magorzata ; Czerwiska, Klaudia ; Mikusiska, Joanna.
   In: Energies.
   RePEc:gam:jeners:v:16:y:2023:i:14:p:5458-:d:1196621.

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10. Pyrolysis of hydrochars obtained from blackcurrant pomace in single and binary solvent systems. (2023). Janus, Rafa ; Wdrzyk, Mariusz ; Plata, Marek ; Michalik, Marek ; Lewandowski, Marek ; Magdziarz, Aneta ; Korzeniowski, Ukasz.
    In: Renewable Energy.
    RePEc:eee:renene:v:214:y:2023:i:c:p:383-394.

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11. Coal Discards and Sewage Sludge Derived-Hydrochar for HIV Antiretroviral Pollutant Removal from Wastewater and Spent Adsorption Residue Evaluation for Sustainable Carbon Management. (2022). Bada, Samson ; Mulopo, Jean ; Kahilu, Gentil Mwengula.
    In: Sustainability.
    RePEc:gam:jsusta:v:14:y:2022:i:22:p:15113-:d:973276.

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12. Hydrothermal Carbonization of Spent Coffee Grounds for Producing Solid Fuel. (2022). Hu, Yulin ; He, Sophia ; Salaudeen, Shakirudeen ; Gallant, Rhea ; Farooque, Aitazaz A.
    In: Sustainability.
    RePEc:gam:jsusta:v:14:y:2022:i:14:p:8818-:d:866196.

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13. Actual Trends in the Usability of Biochar as a High-Value Product of Biomass Obtained through Pyrolysis. (2022). Sobek, Szymon ; Muzyka, Roksana ; Zajemska, Monika ; Sajdak, Marcin ; Gako, Grzegorz ; Ksepko, Ewelina ; Tercki, Dariusz.
    In: Energies.
    RePEc:gam:jeners:v:16:y:2022:i:1:p:355-:d:1018150.

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14. Determination of Relationship between Higher Heating Value and Atomic Ratio of Hydrogen to Carbon in Spent Coffee Grounds by Hydrothermal Carbonization. (2021). Park, Jung Eun ; Kim, HO ; Lee, Gi Bbum ; Jeong, Cheol Jin.
    In: Energies.
    RePEc:gam:jeners:v:14:y:2021:i:20:p:6551-:d:654314.

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15. Spent coffee grounds based circular bioeconomy: Technoeconomic and commercialization aspects. (2021). , Preethi ; Awasthi, Mukesh Kumar ; Gunasekaran, M ; Zhen, Guangyin ; Kumar, Gopalakrishnan ; Kannah, Yukesh R ; Kavitha, S ; Banu, Rajesh J.
    In: Renewable and Sustainable Energy Reviews.
    RePEc:eee:rensus:v:152:y:2021:i:c:s1364032121009953.

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16. A comprehensive review of renewable and sustainable biosourced carbon through pyrolysis in biocomposites uses: Current development and future opportunity. (2021). Misra, Manjusri ; Chang, Boon Peng ; Rodriguez-Uribe, Arturo ; Mohanty, Amar K.
    In: Renewable and Sustainable Energy Reviews.
    RePEc:eee:rensus:v:152:y:2021:i:c:s1364032121009412.

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17. The effects of hydrothermal carbonization operating parameters on high-value hydrochar derived from beet pulp. (2021). Gajek, Marcin ; Wilk, Magorzata ; Liz, Maciej.
    In: Renewable Energy.
    RePEc:eee:renene:v:177:y:2021:i:c:p:216-228.

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18. A novel machine learning-based approach for prediction of nitrogen content in hydrochar from hydrothermal carbonization of sewage sludge. (2021). Wang, Zhi-Cong ; Duan, Pei-Gao ; Djandja, Oraleou Sangue ; Yin, Lin-Xin ; Duo, Jia.
    In: Energy.
    RePEc:eee:energy:v:232:y:2021:i:c:s0360544221012585.

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19. Added-value molecules recovery and biofuels production from spent coffee grounds. (2020). Loizidou, Maria ; Moustakas, Konstantinos ; Battista, Federico ; Barampouti, Elli Maria ; Malamis, Dimitris ; Bolzonella, David ; Mai, Sofia.
    In: Renewable and Sustainable Energy Reviews.
    RePEc:eee:rensus:v:131:y:2020:i:c:s1364032120302987.

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20. A comprehensive investigation of hydrothermal carbonization: Energy potential of hydrochar derived from Virginia mallow. (2020). Wilk, Magorzata ; Liz, Maciej.
    In: Renewable Energy.
    RePEc:eee:renene:v:156:y:2020:i:c:p:942-950.

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1. Critical Extraction Parameters for Maximizing Oil Yield from Spent Coffee Grounds. (2025). Mariani, Viviana Cocco ; Moura, Luis Mauro ; Krinski, Ingryd Mayer ; Leite, Vincius Reisdorfer.
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2. Microwave applied to the thermochemical conversion of biomass: A review. (2025). Li, Jian ; Zhao, Zhenyu ; Gao, Xin ; Chen, Guanyi ; Cravotto, Giancarlo ; Sun, Yunan ; Yan, Beibei.
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   RePEc:eee:rensus:v:216:y:2025:i:c:s1364032125003478.

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3. Microwave vacuum pyrolysis rapidly transforms bamboo into solid biofuel: Predicting fuel performances by response surface methodology. (2024). Ren, Hao ; Gao, QI ; Rong, Shaowen ; Su, Mengfu ; Liu, Zhijia ; Ni, Liangmeng.
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   RePEc:eee:renene:v:235:y:2024:i:c:s0960148124014149.

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4. Spent coffee grounds and orange peel residues based biorefinery for microbial oil and biodiesel conversion estimation. (2023). Stylianou, Eleni ; Leiva-Candia, David ; Pateraki, Chrysanthi ; Argeiti, Chrysanthi ; Koutinas, Apostolis ; Makri, Aikaterini ; Giannakis, Nikos ; Dorado, M P ; Carmona-Cabello, Miguel ; Filippi, Katiana.
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   RePEc:eee:renene:v:209:y:2023:i:c:p:382-392.

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5. Spent Coffee Grounds Characterization and Reuse in Composting and Soil Amendment. (2022). Dumont, Marie-Josee ; Hersant, Gregory ; Walling, Eric ; Rodrigue, Denis ; de Oliveira, Daniel Magalhes ; Vaneeckhaute, Celine ; Campos, Anne Shayene ; Babin, Alexandre.
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6. Pyrolysis kinetics of the hydrothermal carbons derived from microwave-assisted hydrothermal carbonization of food waste digestate. (2022). Song, Xinyu ; Xie, Xiaodi ; Peng, Nana ; Gai, Chao.
   In: Energy.
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7. Monomers, Materials and Energy from Coffee By-Products: A Review. (2021). Cinelli, Patrizia ; Ferri, Maura ; Bikaki, Maria ; Navarini, Luciano ; Sisti, Laura ; Totaro, Grazia ; Signori, Francesca ; Celli, Annamaria ; Tassoni, Annalisa ; Lazzeri, Andrea ; Corvini, Philippe.
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8. Modern developmental aspects in the field of economical harvesting and biodiesel production from microalgae biomass. (2021). Mofijur, M ; Jahirul, M I ; Alam, Md Asraful ; Xu, Jingliang ; Ong, Hwai Chyuan ; Muhammad, Gul ; Lv, Yongkun ; Xiong, Wenlong.
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9. Progress in microwave pyrolysis conversion of agricultural waste to value-added biofuels: A batch to continuous approach. (2021). Liew, Rock Keey ; Yuh, Peter Nai ; Aghbashlo, Mortaza ; Tabatabaei, Meisam ; Sonne, Christian ; Cheng, Yoke Wang ; Xia, Changlei ; Peng, Wanxi ; Wan, Wan Adibah ; Yuan, Tong-Qi ; Lam, Su Shiung ; Ge, Shengbo.
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10. Clean solid fuel produced from cotton textiles waste through hydrothermal carbonization with FeCl3: Upgrading the fuel quality and combustion characteristics. (2021). Sun, Zhenhua ; Zhou, Yuwei ; Chen, Weifang ; Qi, Renzhi ; Xiong, Mengmeng ; Zhang, Daofang ; Xu, Zhihua.
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11. Vacuum pyrolysis incorporating microwave heating and base mixture modification: An integrated approach to transform biowaste into eco-friendly bioenergy products. (2020). Yuh, Peter Nai ; Ma, Nyuk Ling ; Sonne, Christian ; Yi, Xin ; Liew, Chin Mei ; Peng, Wanxi ; Chong, Chi Cheng ; Wan, Wan Adibah ; Xia, Changlei ; Nam, Wai Lun ; Lam, Su Shiung ; Foong, Shin Ying ; Ge, Shengbo.
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12. Optimisation and characterisation of hydrochar production from spent coffee grounds by hydrothermal carbonisation. (2020). Cheng, Yu-Ling ; Sohail, M.
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13. Comparative study of microwave and conventional hydrothermal treatment of chicken carcasses: Bio-oil yields and properties. (2020). Zhang, Xin ; Yuan, Qiaoxia ; Wu, KE.
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14. Hydrothermal carbonization for energy-efficient processing of sewage sludge: A review. (2019). Chang, Yuzhi ; Wang, Liping ; Li, Aimin.
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15. Hydrochar derived from green waste by microwave hydrothermal carbonization. (2019). Long, Yuyang ; Shao, Yuchao ; Chen, Ting ; Wang, Hengyi ; Liu, Dongyun ; Shen, Dongsheng.
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16. 5-Hydroxymethylfurfural production from watermelon peel by microwave hydrothermal liquefaction. (2019). Jin, Zhiyuan ; Long, Yuyang ; Shao, Yuchao ; Zhou, Ying ; Shen, Dongsheng.
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17. Insights into biochar and hydrochar production and applications: A review. (2019). Zhu, Zongyuan ; Zhang, Zhikun ; Liu, Lina ; Shen, Boxiong.
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18. Microwave-assisted hydrothermal carbonization of dairy manure: Chemical and structural properties of the products. (2018). Ji, Lian ; Sarma, Jyotirmoy ; Wang, Jing ; Xu, Jiayu ; Zhu, Guangkuo ; Liu, Yinghui ; Gao, Ying ; Yuan, Qiaoxia.
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19. Comparison study on fuel properties of hydrochars produced from corn stalk and corn stalk digestate. (2018). Li, Yongjun ; Shen, Xiuli ; Yi, Weiming ; Wang, Fang ; Zhang, Deli ; Tian, Chunyan.
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20. An integrated approach for obtaining biodiesel, sterols, gossypol, and raffinose from cottonseed on a biorefinery concept. (2014). Yun, Zhi ; Dong, Rui ; Shao, Rong ; Zhu, Qing-li .
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