SMOKE ANALYSIS COMBUSTION EFFICIENCY OF BOILER OXYGEN PERCENTAGE (O 2 %) EXCESS AIR PERCENTAGE CARBON DIOXIDE PERCENTAGE (CO 2 % ) CO ppm – CO% SO X - OXIDES OF SULPHUR      NO X - OXIDES OF NITROGEN HC – HYDROCARBON DRAFT – FLUE GAS SPM WE DERIVE AND ENHANCE COMBUSTION EFFICIENCY OF BOILERS HAVING FUEL LIKE   BAGGASE BIO COAL    PET COKE   RICE HUSK LIGNITE   COAL FURNANCE OIL LDO GAS LSHS   ::  REGISTERED OFFICE  :: G.I.D.C. VAPI INDUSTRIAL ESTATE, GUJARAT. Mobile: 9821724840/9824283199 Tel fax: 28222025 E – mail: response@shivshaktiindustries.net Web: http://www.shivshaktiindustries.net