1. Zeolite formation from fly ash;Höller;Fortschr Miner,1985
2. Application of hydrothermally crystallized coal ash for waste water treatment;Kato;Kogyo Yosui,1986
3. Conversion of solid primary and recycled raw materials to zeolite-containing products. Part VI: continuous manufacture of zeolite A containing products;Bergk;Chem Tech (Leipzig),1987
4. Increase in cation exchange of fly ash by alkali treatment;Henmi;Clay Sci,1987
5. New perspectives for coal ash utilization: synthesis of zeolitic materials;Mondragón;Fuel,1990