Slope-way furnace for heat-treating rolling materials
HU907626D0
Method for operating rolling-drum calcinating furnaces connected with cyclone preheaters
HU895329D0
Process for producing pearls of high aluminium-oxide content from active aluminium-oxide
HU205884B
Process for producing amorf aluminium-hydroxide gel, pseudobohmit of high purity, high porosity and large specific surface /poor of na20/ and products from them produceble with heat treating, with carbonizing aluminate solution
HUT66758A
Process for producing aluminiume-oxides using to the ceramic which contains smaller than 1 micrometer one-crystalsize grains, too
HUT46626A
Process for simultaneous production of several types of special alumina
HUT46290A
Apparatus for calcinating dustlike materials particularly alumina
HUT42708A
Direct-current or mixed-curren evaporator
HUT38882A
Process for preparing fine-grained white aluminium-hydroxide filler
HUT37724A
Process for reducing zinc impurities in bayer alumina production
HUT35982A
Energy-spare drum mill
HU190816B
Process for production of al-under-2-o-under-3 gas gleaning cathalizator
HU186021B
Process for producing synthercorunde and tabulare alum earth
HU185474B
Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes
HU177158B
Process and expolsive charge mainly for the elimination of deposites in pipelines and equipments of chemical industry
HU178412B
Process for preparing spherical gamma aluminium oxide absorbent with high mechanical resistance
HU176188B
Control system for harmonized actuating the washer and sedimentator of alumina production according to bayer technology
HU173029B
System for automatic controlling alumina production of bayer technology
GB1410196A
Method of and apparatus for calcining moist and sticky materials
GB1271421A
Process and apparatus for the leaching of soluble materials from slurries
