Patent ID: 11925943
Assignee: CROWN IRON WORKS COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC B  A | IPC B

Claim 0:
1. A method of separating a shell from a seed, the method comprising:
introducing a feed stream containing shells of a fruit intermixed with seeds of the fruit into a separation column, wherein introducing the feed stream into the separation column comprises introducing the feed stream into the separation column at a feed stream location;
introducing a first volume of a separation liquid into the separation column at a first liquid addition location located below the feed stream location;
introducing a second volume of the separation liquid into the separation column at a second liquid addition location located above feed stream location;
flowing the separation liquid upwardly in the separation column at a rate effective to cause the seeds of the fruit to flow upwardly with the separation liquid toward a seed outlet of the separation column while the shells of the fruit flow downwardly against the upwardly flowing separation liquid toward a shell outlet of the separation column.