Water is formed in the conceptual reaction, so (at least) two liquid phases will be observed as product: one organic and one aqueous. The appearance of two organic phases has been reported, which is due to the production of organic compounds with densities less than water. In this case a light oil phase will separate on top of the water and a heavy one below. formation of two organic phases is usually observed in also The instances with high degrees of deoxygenation, which will result in a high degree of fractionation in the feed