Microbial derived isoprene and methods for making the same
Provided herein is a gaseous isoprene composition comprising isoprene, carbon dioxide and water, wherein the isoprene is in an amount between about 0.1% and about 15% by volume; wherein the carbon dioxide is in an amount between about 0.04% and about 35% by volume; wherein the water is in an amount greater than about 70% of its saturation amount. Also provided herein is a liquid isoprene composition comprising isoprene in an amount of at least 65% by weight and carbon dioxide in an amount between about 0.01% and about 1% by weight.
1. A gaseous isoprene composition comprising isoprene, carbon dioxide and water, wherein the isoprene is in an amount greater than about 10% by volume; wherein the carbon dioxide is in an amount greater than about 10% by volume; wherein the water is in an amount greater than about 70% of its saturation amount; and wherein the gaseous isoprene composition comprises 1 part per million or less of C 2 - 0 5 alkynes.
2. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises less than about 15% oxygen by volume.
3. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises less than about 10% oxygen by volume.
4. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises less than about 5% oxygen by volume.
5. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises less than about 1% oxygen by volume.
6. The gaseous isoprene composition of claim 1 comprising less than 3% water by weight.
7. The gaseous isoprene composition of claim 1 comprising greater than about 20% carbon dioxide by volume.
8. The gaseous isoprene composition of claim 1 comprising greater than about 30% carbon dioxide by volume.
9. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises nitrogen in an amount greater than about 10% by volume.
10. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises argon in an amount less than about 0.9% by volume.
11. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises ethanol in an amount less than about 0.5% by volume.
12. The gaseous isoprene composition of claim 1 , wherein the gaseous isoprene composition further comprises ethanol in an amount more than 1% by volume.
13. The gaseous isoprene composition of claim 1 , wherein the isoprene is in an amount greater than about 10% by volume; wherein the carbon dioxide is in an amount greater than about 30% by volume; wherein the water is in an amount greater than about 70% of its saturation amount; wherein oxygen is in an amount less than about 5% by volume; and wherein the gaseous isoprene composition comprises 1 part per million or less of C 2 -C 5 alkynes.
14. The gaseous isoprene composition of claim 1 , wherein the gaseous composition further comprises 1 part per million or less of cyclopentadiene.
15. The gaseous isoprene composition of claim 1 , wherein the gaseous composition further comprises 1 part per million or less of piperylene.
16. The gaseous isoprene composition of claim 1 , wherein the gaseous composition further comprises 1 part per million or less of 1,4-pentadiene.