ʻO ka lana ʻana o ka ea i hoʻoheheʻe ʻia kekahi o nā ʻano hana kūpono loa nona ke kaumaha kikoʻī kokoke i 1.0 mai ka wai. ʻO ka Flotation Ea i hoʻoheheʻe ʻia he kaʻina hana hoʻokaʻawale wai/paʻa a wai/wai paha e wehe i nā mea paʻa liʻiliʻi i hoʻokuʻu ʻia e kokoke ana i ka wai, colloid, ʻaila a me ka momona etc. ʻO ka flotation ea i hoʻoheheʻe ʻia ʻo Benenv kahi hana hou i hui pū ʻia me ka manaʻo flotation ea i hoʻoheheʻe ʻia maʻamau a me ka ʻenehana hou.