Q. Fractional extraction is also known as ________

View solution

Q. The composition of substances in the extraction are represented by __________

View solution

Q. For extraction, the distribution co-efficient should be greater than 1.

View solution

Q. The viscosity should be high for the solvents using in extraction operation.

View solution

Q. The Azeotropic composition of the solute makes the extraction process economical.

View solution

Q. Find the separation factor if the ratio of weight fraction of solute in the extract to raffinate is 0.75. Also given the ratio of dilutant in raffinate to extract is 0.5.

View solution

Q. The separation is possible if the ratio of weight fraction of solute in extract to raffinate is 0.15. Also given the ratio of dilutant in raffinate to extract is 0.5.

View solution

Q. In absorption operation, the solubility of gas should be high on the solvent.

View solution

Q. The solvent used in the extraction should be more volatile.

View solution

Q. For getting rapid absorption rate, low pressure drop and more heat transfer we need?

View solution

Q. In extract, the usage of solvent should be less.

View solution

Q. Stages in the extractor are _______________

View solution

Q. Extraction includes mixing alone.

View solution

Q. Every stage of extractor act as mixer and settler in the extraction process.

View solution

Q. Is the extraction is possible if a gas solvent is used for extracting solute from liquid mixture.

View solution

Q. Find the pure solvent rate if the feed ( F= 100 kmol/hr) composition is 0.65 and mixture solute composition is 0.5.

View solution

Q. Find the mixture composition of feed and pure solvent if the ratio of solvent to feed rate is 0.5 and the feed composition is 0.5.

View solution

Q. The extraction compositions in equilibrium are represented by equilateral triangle whose coordinates are known as

View solution

Q. The change of solubility by adding other component gives rise to binodal solubility curve.

View solution

Q. The system becomes solutropic if the tie line inside the binodal solubility curves becomes_________

View solution