A graphene based tobacco smoke filter and a method for synthesizing graphene composition

A method of fabricating graphene ceramic nano-composite material filter for cigarette tobacco smoke, the method comprises:

• washing ceramic material with an acid, and wherein the acid de-contaminates the surface of ceramic material and wherein the acid activates the surface of the ceramic material, and wherein the acid is taken in a pre-determined concentration, and wherein the pre-determined concentration of the acid is in a range of 10-60% v/v;
• annealing the ceramic particles at a pre-determined temperature range, and wherein the pre-determined temperature range is 600-900° C.;
• coating the ceramic particles with a carbon precursor using a solvent to obtain a coated ceramic particles, and wherein the ceramic particles are mixed with carbon precursor in a liquid phase or a dispersion phase, and wherein after mixing the carbon precursor, solvent and the ceramic particles the carbon precursor is dried by heating at a pre-determined temperature range, and wherein the concentration of carbon precursor is in a range of 5-20% w/w;
• carbonizing the carbon precursor present on the surface of the ceramic particles by heating at a pre-determined temperature range in air, and wherein the heating converts the carbon precursor into an amorphous carbon, and wherein the pre-determined temperature range is 200-400° C., and wherein after heating the ceramic particles are obtained with a coating of amorphous carbon;
• segregating the ceramic particles coated with amorphous carbon based on particle size and particle shape, and wherein the ceramic particles coated with amorphous carbon are segregated based on the particle size in a range of 300-500 microns in diameter, and wherein the ceramic particles coated with amorphous carbon are segregated based on a circular shape with irregular and uneven surface;
• annealing the ceramic particles coated with amorphous carbon at a predetermined temperature range in an inert atmospheric condition, and wherein the annealing converts the amorphous carbon into graphene, and wherein the predetermined temperature range is 600-900° C., and wherein the inert atmospheric condition comprises argon, nitrogen and hydrogen, and wherein annealing yields ceramic particles with graphene or granphene nano-composite material;
• chemically treating the ceramic particles with graphene or graphene ceramic nano-composite material for activation of surface, and wherein the chemical treatment is an acid treatment, and wherein the acid is selected from a group consisting of sulphuric acid, hydrochloride acid and nitric acid, and wherein acid treatment makes the graphene layers porous and increases chemisorptions or adsorption of a plurality of toxic compounds from cigarette smoke, and wherein the toxic compounds adsorbed are ammonia, formaldehyde, mainstream total particulate matter (MS-TPM), nicotine, tar and nitrosamines;
• and
• fabricating a tobacco smoke filter by packing the graphene ceramic nano-composite material in a casing with a pipe structure to form a filtration column, and wherein the graphene ceramic nano-composite material is filled in an amount of 0.5-1.5 grams, and wherein the graphene ceramic nano-composite material is directly filled in a granular form in the filtration column or the graphene ceramic nano-composite material is first die-compacted into a cylindrical column, and wherein the cylindrical column comprising a die compacted graphene ceramic nano-composite material is sintered and wherein the sintered cylindrical column comprising a die compacted graphene ceramic nano-composite material is fitted into the filtration column.