Grape pit flour

During the handling of marc grape pits are separated to extract oil and, in this case, grape pit flour is received. This product may be used as a biofuel. Its moisture is about 11%, ash content is about 2,5-3%, its NCV is about 17,5 GJ per mt. Nitrogen content is about 1,6% (in case of wood pellets max content of Nitrogen is 1%)  and Sulphur about 0,25% ( in case of wood pellets max level 0,2%).Ash melting temperature is rather high, about 1500 degr C. Main components of the ashes are CaO – 34,8%,K2O – 13,6%,P2O5 – 13,1%, SiO2 – 4,9%.