Granite is an igneous rock that forms when magma cools relatively slowly underground. It is usually composed primarily of the minerals quartz, feldspar, and mica. When granite is subjected to intense heat and pressure, it changes into a metamorphic rock called gneiss. ( national geographic)
This means that there is a specialized microbes and enzymes that are capable of transforming waste water in the pulp and paper industry into cleaner one. they purfiy water and turn it into clean water.
