Industrial waste treatment generated in the production of biodiesel and, optionally, vegetable fat waste

摘要

industrial waste treatment revealed way obtained in biodiesel production, and possibly waste vegetable fats, which is that the yeast species yarrowia lipolytica growing on medium of aqueous solution containing as a source of carbon for 20 d about 70 g / l of a mixture containing water glicerynowu0105, degumming and possibly waste vegetable fats,mgso4 x 7h2o in quantities of from 0.5 to 3.0 g / l medium, advantageously about 1,0 g / l medium, and kh2po4 in quantities of from 0.1 to 2.0 g / l medium, preferably approximately 0,5 g / l medium, at a temperature below 34u00b0c, favourably about 28u00b0c to approximately 31u00b0c, natlenieniu medium of above 20% of state saturation of o2, while keeping the ph value from 2.5 to 7.5 by addition of concentrated nh3u2022h2o, especially in quantities of from 0.5 to 3.0 ml / litre of the medium within the hour, preferably 0.8 - 1.8 ml / litre per hour, and providing a source of nitrogen by adding concentrated nh3u2022h2o in quantities of 10 to 30 ml / litre of the medium within the hour, preferably approximately 15 - 17 ml / litre of the medium within the hour. the basic consumption of available carbon source contained in the culture medium.with favourable rearing shall be entitled periodycznie, replacing each time after one cycle of fermentation pohodowlanej fresh portion of the medium.