Method of making thermally stable and crush resistant microporous glass catalyst supports

摘要: 1. A METHOD FOR MAKING LOW ALKALI-CONTAINING POROUS GLASS ARTICLE HAVING HIGH THERMAL STABILITY COMPRISING: (A) HEATING PHASE-SEPARABLE ALKALI-BOROSILICATE GLASSS TO TEMPERATURE SUFFFICIENT SEPARATE THE INTO TWO PHASES, ONE OF WHICH IS BORATE-RICH PHASE AND SOLUBLE IN AN AQUEOUS SOLUTION, (B) FIRST LEACHING PHASE-SEPARATED WITH WATER TIME AT SUFFICIENT REMOVE MAJOR PORTION FORM SILICA, (C) SUBSEQUENT PREVIOUSLY LEACHED ACID TEM- PERATURE ALKALI BORATE NOT REMOVAL PROVIDE ALKALI-BORATE CONTAINING MICROPOROUS STRUCTURE STABILITY.