Abstract
The distribution of ash-forming elements in dried vinasse was characterized by sequentially leaching it in H2O, NH4Ac, and HCl. In addition, the release of inorganics during combustion and CO2 gasi...
Highlights
Vinasse is a byproduct from an ethanol distillery, which is mostly built integrated with a sugar mill, and it is known by various names, including stillage, still bottoms, spent wash, mosto, slops, vinhaca, vinhoto, or dunder.[1]
The vinasse was ashed at 500 °C, and the ash-melting behavior as a function of temperature was first calculated using FactSage thermodynamic calculations and validated using differential scanning calorimetry (DSC)−thermogravimetric analysis (TGA) measurements
This is probably due to the enhanced release of the inorganics in the case of gasification because of the relatively reducing gas atmosphere and the extended reaction time used
Summary
Vinasse is a byproduct from an ethanol distillery, which is mostly built integrated with a sugar mill, and it is known by various names, including stillage, still bottoms, spent wash, mosto, slops, vinhaca, vinhoto, or dunder.[1]. The main utilization of vinasse is in fertirrigation, fertilizing the soil and, at the same time, providing water for the cane plants.[8] the use of vinasse in fertirrigation may have adverse environmental impacts, such as greenhouse gas (GHG) emission[9] and soil and groundwater pollution.[8] fertirrigation is insufficient to handle the total volume of vinasse being generated. This is due to the cost of transporting the vinasse to agricultural lands farther from the sugar mill for fertirrigation.
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