Showing posts from June, 2022
Green chemistry ( green chem ) is an approach to chemistry that aims to maximize efficiency and minimize hazardous effects on human health and the environment. Definition: Green Chemistry is the use of chemistry for pollution p…
The liquid-liquid extraction techniques (methods) of removing one component from a solid or liquid by means of a liquid solvent fall into two categories, the first one is called leaching or solid extraction, and the second is li…
The selection of a particular kind of contractor plate or packed tower for a given mass transfer operation generally rests on the cost and profit considerations but in many cases, the choice can be made on the basis of a quantita…
The main different between absorption and distillation is there. And selection criteria for solvent in gas absorption {tocify} $title={ Table of Contents } Difference between absorption and distillation Absorption Distilla…
Packed columns are useful for distillation, especially whenever we have to carry out operations at low pressure (vacuum distillation) and whenever we are dealing with heat-sensitive materials. Packed column distillation design P…
Steam distillation (It is a distillation process with open steam ) is used: (I) for separating a high boiling component from the non-volatile impurities. (ii) for separating a high boiling mixture into different fractions where…
Reflux definition: The liquid which can be obtained by condensing the overhead vapour and returning some of the liquid to the top of the column is known as reflux . Reflux Ratio in Distillation Column The reflux ratio of the …
An azeotrope is a liquid mixture with an equilibrium vapour of the same composition as the liquid. The dew point and bubble point are identical in the azeotropic composition and the mixture. Close boiling components showing smal…
Mass transfer processes that involve two fluid streams are frequently carried out continuously by passing the fluid streams either in a counter-current or a co-current fashion in a column device. The average driving force for a …
Fractionating column : In this separation method a part of the condensed liquid is returned back as reflux and a maximum enrichment of the more volatile component in the vapour is obtained by successive partial vaporization and c…
