What is filtrate in simple words?

In simple words, filtrate is the clean liquid or gas that comes out after passing through a filter. When you mix something like sandy water and pour it through a filter, the sand stays behind because it is too big to go through the holes. The water that goes through and collects in the container below is the filtrate. It is the part of the mixture that has been separated from the solid stuff. Think of it as the "passed-through" part. In science class, if you filter muddy water, the clear water you get at the end is the filtrate, and the mud left on the paper is the residue. The word comes from the verb "filter," so filtrate is basically the result of filtering. It is important because it represents the purified or separated component that is often the desired product in many processes, such as drinking water production or chemical analysis.