Method for extracting biodiesel based on waste coffee grounds

The invention discloses a method for extracting biodiesel based on waste coffee grounds. The method comprises the following steps: I, (1) boiling coffee grounds with boiled water in a coffee pot, filtering off the liquid, and drying residual coffee grounds; (2) adding a n-heptane solvent into the co...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG HAOCHUN, ZHU ZHIYU, SHI LEI, MAO NINGNING, JIN LIANG, LI YONGQIANG, MA ZHUANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS ESSENTIAL OILS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFUMES PETROLEUM, GAS OR COKE INDUSTRIES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE
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