OVERVIEW OF RADIATION PROCESSING (INDIA)

1. OVERVIEW OF RADIATION PROCESSING (INDIA) K S S SARMA Bhabha Atomic Research Centre & Board of Radiation and Isotope Technology

2. Radiation Processing • Gamma irradiation Plants (Co-60) • Electron Beam machines

3. Applications • Sterilization • Hygienization • Polymer modifications • Crystalline Alterations • Waste water treatment

4. DAE initiative I. Radiation Processing using Gamma irradiators

5. Gamma Irradiators • ISOMED • RPP 1M$ • SARC • KRUSHAK ………….. USDA-APHIS* certified • RAVI • KIMIO *(US Dept of Agriculture –Animal and Plant Health Insp. Services)

6. Areas of expertise • Design, construction • Commissioning • Dosimetry • Safety • Training • Technological scale demonstration • Public Awareness

7. DAE presence abroad • Sri Lanka .. Supply of 250 kci source, dosimetry, trg. & op. • Bangladesh… 90kci PANBIT, same… • Vietnam .. 100kCi same • Indonesia… 20kci CAIR BATAN supplied • Ethiopia .. Source supply, 60kci, dosimetry

8. Recent Developments • Private entrepreneurs and MOUs • Deployment of Irradiators • International Co-operation • Training, Dosimetry etc.

9. Recent Developments • 12 irradiators owned and operated by private industry • 13 irradiators are in the process of installation & comm. • Sewage hygienization Research Irradiator (SHRI) by BARC

10. New designs • Install & Operate Gamma Irradiator (400kCi max.) - a demonstration plant for marine foods (10 tons/day fresh sea food; 5 tons/day frozen food) • New Hot cells at BRIT Complex • Total design capacity of all the op. plants ….. 15MCi

11. International assignments TSETSE fly eradication programme Sterilization Insect Technique SIT as part of area wise integrated pest management (AW-IPM) programme Setting up a diet blood irradiator at Ethiopia and dosimetry studies

12. Neighbouring countries SRILANKA a)(3Mci)…250Kci, Symec design…for high and medium dose b) M/s ANSEIL BANGLADESH a) 100kci PANBIT … recently supplied 90kci b) another 300kci plant operational ????? INDONESIA… 20Ci supplied CAIR-BATAN

13. Irradiation facility in Bangladesh 350kCi Co60 gamma irradiator at IRPT 90kCi Co60 gamma irradiator at IFRB For R & D and semi commercial purposes For commercial use specially considering the sanitary aspect of food to promote international trade

14. Average amount of annually irradiated products Year - 2013 Gamma irradiator at IFRB Products Quantity (Tons) Spice (chilly, turmeric, coriander) 145 Protein –90 10 Spirulina 7 Tea/lemon grass 160  Gamma Irradiator -IRPT Products Quantity (Tons) Medical kit 260 Spice 720

15. II. Radiation Processing using EB accelerators

16. EB Technology at DAE • Develop the Applications using existing Industrial accelerator, its enhanced utilization • EB Technology development (accelerators for different applications) • Identify the products for radiation processing • Development of suitable under beam geometry • Demonstration of EB technology as a whole (meeting the requirement of industry) • Study the Benefits

17. EB Accelerator at BARC (Vashi) 2MeV/20 kW, Pulse

18. EB ACCELERATOR AT BARCType : ILU-6 Resonator Cavity, pulse2 MeV/20 kW , scan width: ~100cm ; single window / four window Linear scanning entry exit Power roller conveyors for Bulk irradiation ( food, medical products)

19. EB Applications • Polymer modifications (w&c, heat -shrinkable products, PE O rings,PTFE) • Color Enhancement in precious stones • Health care (medical products sterilization) • Food processing • Waste water treatment

20. PE O-rings EBPS/BARC & BRIT

21. Wire and cable insulations EBPS/BARC & BRIT

22. Automobile components-porous moulds and bushes EBPS/BARC & BRIT

23. Color Enhancement in diamonds Unprocessed Processed

24. Development workStudies on EB processing of Automobile Tyres and demonstration to the Industry Objective: • Pre-curing of tyre components using EB – to retain shape, dimensions during tyre building (construction and vulcanization)

25. Vacuum moldable insulation sheets EBPS/BARC & BRIT

26. EB ACCELERATORS IN PRIVATE INDUSTRY • Seven EB accelerators are operating in cable industry

27. ILU EBA Upgradation • Energy: 5 MeV; Max. Beam current: 3mAEXTRA SHIELDING - Civil Works and Lead shielding Installation of New RF cavityRF Source Installed and coupled with Cavity, Beam window, Beam scanning systemVacuum restoration and leak testing Modifications in HV pulse modulator systemand electrical and electronic circuitsTuning of the EB accelerator Training the accelerator with beamSafety report and EBA operational clearance for regular operations….. Being obtained

28. II. ILU EBA Upgradation NEW RF CAVITY in PLACE CAVITY REPLACEMENT EBPS/RTDD/BARC

29. ILU-EBA Installation and Commissioning OPERATION PARAMETER DISPLAY Beam Profile EBPS/RTDD/BARC

30. ILU-6 EB ACCELERATORContinuous Power Roller Conveyor System at Vashi Complex Food Irradiation Viscose Pulp PTFE Box irradiation

31. Utilization plan for 5MeV EBA as a demonstration plant for • Sterilization of specific medical items • Treating Food products (spices, frozen foods) and • Thick polymer components

32. Development of indigenous accelerators …….. • 500 keV, 10 kW • Cockcroft-walton type • Self-shielded • Surface modification

33. 500 keV EB accelerator at BARC, Vashi

34. Material handling system- 750 keV, 20 kW accelerator

35. Development of indigenous accelerators …….. • 3 MeV, 30kW

36. Development of indigenous accelerators …….. 10 MeV, 10kW RF Linac Klystron based microwave source 2856 MHz Radiation sterilization, Food Irradiation

37. power roller conveyor

38. Product Conveyor System for 10 MeV EB • Tow line conveyor • 34 tow carts 1000x900x1200 Max. speed : 15m/min

39. Electron Beam Centre at Navi Mumbai for Radiation Processing applications

40. Conclusion Radiation processing in recent past has become very popular and is being adapted by the industry for processing bulk materials using gamma radiationand EB accelerators for industrial materials. The growth of the technology is going to be many folds with the availability of such equipment in large numbers at affordable price.