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Advances in Bioenergy by Xumeng Ge, Yebo Li

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5. Conclusions

Biogas contains methane, carbon dioxide and a variety of impurities. Biogas purification is often required before upgrading. Biogas can be purified and used to produce natural gas, Bio-CNG, LBGor can be converted to methanol via chemical or biological methods. Biogas can also be reformed to syngas. Producing Bio-CNG and LBG from biogas have been commercially carried out; hydrogen and syngas also have been commercially produced via reforming of natural gas, while biogas-based reforming is emerging. With regard to methanol production, partial oxidation of methane has been commercialized; the biological approach has been extensively studied. Syngas contains primarily hydrogen and carbon monoxide, with impurities such as particulate ...

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