Y'All Want a Single Y'All Want a Single "Y'All Want a Single" is a song written and recorded by American nu metal band Korn for their sixth studio album, "Take a Look in the Mirror". It was released as the album's third single in March 2004, chosen by fans through a poll on the band's official forum. At a running time of three minutes and seventeen seconds, the song contains 89 uses of the word "fuck" with the repeated line "Y'all want a single, say fuck that - fuck that fuck that", although the radio edit replaces the word "fuck" with "suck". "Y'All Want
Single-use bioreactor will be continuously reused. The plastic bag that is used instead of a culture vessel is a disposable, as well as all the integrated sub-assemblies like sensors, tubing, and stirrers. The bag and all its parts are mainly made from plastics that are derived from petroleum. Current recycling concepts are mainly focused on incineration, to recover the energy originated from the petroleum as heat and electricity. Most of the petroleum would be burned anyway in power plants or automobiles (citation required). Burning of the single use components of bioreactors creates a detour through biochemical engineering during their life cycle that