Cerium hydroxide (OH)4), nke a makwaara dị ka cerium hydrate, bụ ntụ ntụ na-acha odo odo ma ọ bụ na-acha aja aja nke nwere ezigbo ngwa anya, ihe ọkụ eletrik na ihe catalytic. A na-ejikarị ya eme ihe na ihe mmetụta gas na-emetụ n'ahụ, mkpụrụ ndụ mmanụ ọkụ, ihe ndị na-adịghị ahụ anya, ihe ndị na-emepụta ihe na mpaghara ndị ọzọ.
Ụlọ ọrụ WONAIXI nwere patent mepụtara nke usoro mmepụta cerium hydroxide dị elu, ma nwee ike inye ndị ahịa ngwaahịa cerium hydroxide dị elu (egSO42- ~ 100ppm, Cl - ~ 50ppm wdg) na ọnụahịa asọmpi.