ALTECH OPTIMISES KAOLIN BENEFICIATION PLANT .
Nov 26, 2015· Malaysia. The plant will produce HPA directly from kaolin clay which will be sourced from the Company''s owned kaolin deposit at Meckering, Western Australia. Altech''s production process will employ conventional "offtheshelf" plant and equipment to extract HPA using a hydrochloric acid (HCl) leaching process.