Stoutman wrote:

If Patterson believes that oxygen is removed by the enzyme and only N2 is
produced. What happens to the oxygen? Where do you/he think it goes? Do
you think it stays in the enzyme?

Not enzyme. Bacteria. Yes, that's exactly what happens. The oxygen is consumed
by the bacteria.

George Patterson
Coffee is only a way of stealing time that should by rights belong to
your slightly older self.