Lignin depolymerization has been studied for decades to produce carbon-neutral chemicals/biofuels and biopolymers. Among different chemical reaction pathways, catalytic hydrogenolysis favors reactions under relatively mild conditions, while its yield of bio-oil high-value aromatic products is high. In this study, the influence parameters on lignin are discussed by process parameter mapping mode...

Due to continuous tool engagement, turning processes tend form long chips when machining ductile materials. These chip shapes have a negative influence on process performance and productivity. One approach improve breakage is superimposition of vibrations in feed direction the process, which leads modulation uncut thickness. In joint industrial project with Schaeffler Technologies AG & Co. ...