FACTORS AFFECTING THE THERMAL DELINTING OF COTTON SEED WAS STUDIED TO DESIGN A NEW MACHINE.THE SYSTEM WAS DESIGNED AND CONSTRUCTED OF THREE BASIC UNITS: FEEDING UNIT, SCATTERING UNIT AND THERMAL REACTOR UNIT. EACH UNIT WAS TESTED AND CALIBRATED.EACH OF COMMERCIAL BUTANE, NATURAL GAS AND BIO GAS CAN BE USED AS ENERGY SOURCE OF THE NEW MACHINE THE SYSTEM OPERATIONAL PARAMETERS WERE STUDIED AND EVALUATED. THE QUALITY CRITERIA SHOWED THAT THE VALUABILITY OF THE NEW MACHINE
