Method of synthesizing novel adsorbent titanosilicate material (UPRM-5) using NR4+ type cations

A method of synthesizing a titanosilicate material comprising:

• adding a structure directing agent selected from the group consisting of:
• tetrapropylammonium (TPA+) and tetrabutylammonium (TBA+), that allows the formation of a porous adsorbent material, to a gel solution containing titanium (III) chloride solution in HCl and stirring for 30 minutes to prepare a gel mixture and crystallizing said gel mixture to form a titanosilicate porous material having structural faults introduced by said structure directing agent;
• removing said structure directing agent from said titanosilicate porous material via ion exchange with NH4+ to form a detemplated material;
• and
• functionalizing said detemplated material with strontium cation via ion exchange to form a titanosilicate porous material having a micropore area that varies as a function of thermal activation temperature due to said structural faults introduced by the structure directing agent, wherein the titanosilicate material having an unit cell selected from the group consisting of |Sr2+3.0Na+3.3OH−2.31|[Si11.4Ti8.3O37]:23H2O and |Sr2+2.4Na+3.9OH−1.5|[Si9.3Ti7.1O37]:20H2O.