As nouns the difference between ivan and van
is that
ivan is while
van is a (covered) vehicle used for carrying goods or people, usually roughly cuboid in shape, longer and higher than a car but smaller than a truck or
van can be (mining) a shovel used in cleansing ore or
van can be a fan or other contrivance, such as a sieve, for winnowing grain.
As a verb van is
to transport in a van or similar vehicle (especially of horses) or
van can be (mining) to wash or cleanse, as a small portion of ore, on a shovel.