Prof. Mrs. Alka Umesh Zadgaonkar, Head of Department of Applied Chemistry at the Nagpur based G. H. Raisoni College of Engineering invented an Environment friendly catalytic process for disposal of waste plastic. The application for the patent has been filed.
The invented process involves degradation waste plastic using `catalytic-additive’ and is different from the generally existing pyrolytic processes. The laboratory scale set-up was developed in batch mode in which individual as well as mixed plastics were successfully converted in to fuels. The products obtained in the process are Liquid hydrocarbons, Gas and residual Coke.
Classification: - international: B01J29/06; B01J29/08; B01J37/00; C10G1/00; C10G1/10; B01J29/00; B01J37/00; C10G1/00; (IPC1-7): B01J29/06; B01J29/08; C10G1/00; C10G1/10;- European: B01J29/08; B01J29/08Y; B01J29/08Z2; B01J37/00B4C; C10G1/08; C10G1/10; C10G11/05 Cited documents: US6114267 // US5443716 // US5744668 Abstract --- The present invention relates to a process of preparing a catalytic cracking catalyst comprising: - mixing the following ingredients in the proportion indicated there against faujasite zeolite - 5-35 wt %; pseudoboehmite alumina - 10-40 wt %; polyammonium silicate - 1-10 wt %; kaolin clay - 15-60wt %; - milling said ingredients and making a slurry using water, - spray drying said slurry to micro-spheres, and - calcining said micro-spheres at 500°C for 1 hour to obtain the catalyst.
WO02061015 A PROCESS AND APPARATUS FOR MANUFACTURE OF LIQUID FUEL FROM WASTE PLASTIC AND REFINERY WASTE 2002-08-08 http://www.rexresearch.com/zadgnkar/wo02061015.pdf Inventor: ZADGAONKAR UMESH ARUN; ZADGAONKAR ALKA UMESH Classification: - international: C10G1/10; C10G1/00; (IPC1-7): C10G1/10; C10B53/00; C10G1/02;- European: C10G1/10 Cited documents: US5584969 // XP002189916 // CN1236804 Abstract --- An improved apparatus consisting of a cylindrical rectangular a coking vessel (1) heated by electrical heating coils or any other form of energy said vessel is made from stainless steel or mild steel and surrounded by heat reflector and insulator to avoid heat loss and to achieve maximum heating inside locked at the top (2) with temperature sensor which extended upto the center of the vessel; the other end protruding outside is connected to a controlled unit by means of wiring; said lid is provided with high temperature gasket for locking by means of lock and bolt; said coking vessel is provided at its side an outlet vent to correct condensing section/condenser (10) the other end of the condenser is connected to the receiving section; said condenser is provided with outer jacket for circulating cold water or thermic fluid from the bottom (11) as and when required for the conversion of gaseous form of product into liquid state; the said condenser is connected to the receiving assembly/unit (12) by means of suitable conduit (13) in tandem with other receiving unit (14) or gasometer (15) and a outlet vent towards the gas collecting and sealing unit (16) said receiving unit is maintained at a temperature [-]40 DEG C to room temperature or higher to collect the distillate in batches or continuously.
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