gas sieving

Gas sieving is a process where certain gases are separated based on their size using a porous material, called a sieve. When a mixture of gases passes through this material, only molecules smaller than the pores can pass through freely. Larger molecules are blocked or slowed down. This technique relies on the size difference to selectively filter gases, making it useful for purification or separation in industrial applications. Essentially, gas sieving acts like a filter that allows specific gas molecules to pass while holding back others, based on their molecular dimensions.