Abstract
Biosynthesis of xanthan gum from residual glycerin from biodiesel production for drilling fluids
Highlights
Several reports have focused on the value and biological transformation of industrial wastes as an alternative substrate for the production of high value-added components
Its viscosity for drilling fluid was determined according to the Petrobrás N-2604 standard [4]
The experimental results showed that glycerin supported xanthan production with a yield of 7.23 g×L-1, approximately 72% higher than that obtained using sucrose as carbon source
Summary
Several reports have focused on the value and biological transformation of industrial wastes as an alternative substrate for the production of high value-added components. Methods Assays were carried out in 250 mL shake flask cultures with 80 mL of medium containing 2% crude glycerin as an alternative substrate, supplemented with 0.01% urea and 0.1% KH2PO4, compared with sucrose as control under the same operational conditions. In order to obtain the xanthan, the X. campestris mangiferaeindicae 2103
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