20140065565 | METHOD OF PRODUCING COMPOSITE METAL OXIDE, METAL OXIDE SINTERED BODY, AND ROTARY KILN - Provided is a method of producing a composite metal oxide including, to calcine a composition containing an alkali metal and obtain a composite metal oxide, calcining the composition while being arranged on a mount a part of which in contact with the composition is formed of a metal oxide component. The metal oxide component has a content of K atoms ranging from 5 to 13 parts by weight in terms of K | 03-06-2014 |