How to Apply Radiation Technology for Pollution Control

Transcription

1 How to Apply Radiation Technology for Pollution Control Bumsoo Han*, Jinkyu Kim, and Yuri Kim EB TECH Co., Ltd. Republic of Korea * Now in Radioisotope Products and Radiation Technology (NAPC), IAEA

2 1. Is it feasible to apply radiation technology 2. Are there available radiation sources for pollution control? 3. What are the limiting factors to apply?

3 % Survival 1. Is it feasible to apply radiation technology - Technically Flue Gas Treatment Wastewater treatment Dose (kgy) Sludge Disinfection

4 1. Is it feasible to apply radiation technology Flue Gas Treatment - Economically Emission control method Investment cost (USD/kW e ) Pomorzany, Chengdu, Poland China (IAEA/EPS/INCT) (EBARA) Flue Flow gas flow (coal) (coal-fired) 270,000Nm 300,000Nm /h(130mw) 3 (90MW) Inlet Flue SO gas 2 / temperature NOx conc ppm/400ppm SO2/NOx 2 / Conc. removal eff. 1000~1500/400~600mg/Nm 80% / 10% Dose SO2/NOx Removal Eff. 90%/70% 3kGy Inlet By-product flue gas production temp. 200~300kg/h 132 Outlet NH3 consumption particulate 100~150kg/h 200mg/Nm 3 By Electron product beam accelerator 800keV/4 300mA 2.3ton/hr (60$/ton) Electron Total power accelerator consumption 1MW 800kV/400mA 2 Total power consumption Total capital cost Annual operational cost (USD/MW e ) Wet flue gas desulphurisation Selective catalytic reduction Wet FGD + SCR Electron beam FGT kW 11.4 Million USD Data from Economical Evaluation of Electron Beam Flue Gas Treatment by Bogdan Tymiński and Andrzej Pawelec, IAEA Consultants Meeting on Radiation Processing of gaseous and Liquid Effluents September 2004, Sofia, Bulgaria

5 1. Is it feasible to apply radiation technology Wastewater Treatment - Economically Full-scale application of of electron electron beam wastewater treatment plant plant in in Korea China for (Rep. 1,500 of) m3/d for 10,000 of textile m 3 /d of dyeing textile waste dyeing water waste with water 1.5 MeV, with 1100 MeV, kw 400 accelerator. kw accelerator. Capital Operating cost cost :: M$, $/m 3 Operating cost : 0.33 $/m 3

6 1. Is it feasible to apply radiation technology Sludge Disinfection - Economically Facilities Irradiation Source Irradiated material Operation condition Vadodara, India (1989) Gamma-ray( 60 Co) 0.5Mci Liquid Sewage sludge, 110m 3 /day(4%ss) Remarks 3-5kGy 4 ~ 5 $/m 3 (dry sludge)

7 1. Is it feasible to apply radiation technology Sludge Disinfection - Economically Facilities Irradiation Source Irradiated material Operation condition Tel Aviv, Israel EB 2 MeV 100 kw Dewatered sludge, 7,000m 3 /m (18%SS) Remarks 10 kgy 2 ~ 3 $/m 3 (dry sludge)

8 2. Are there available radiation sources for pollution control? - Electron Beam : Limited Penetration - Gamma Rays : Low dose rate - Slow productivity - X-rays : Less efficient in Energy utilization - Required Power? + EBFGT 130MW plant (270,000Nm 3 /h) with 8 kgy : 1.0 MW + W/W treatment of 100,000m 3 /d with 0.5 kgy : 1.0MW + Sludge disinfection of 30,000 m 3 /m with 10 kgy : 200 kw For conventional products (cable, polymer, medical items, food etc.), due to the problems of cooling and material handling speed, it is not necessary for e-beam over 100kW.

9 Recent Achievement of Electron Accelerator MeV, 1MW (NHV) for EBFGT (Poland) -. 1MeV, 400kW (EB TECH, BINP) for W/W (Korea) -. 1MeV, 500kW (NIIEFA) for EBFGT (China) -. 7MeV 200kW, 7MeV 700kW (IBA) for X-ray -. 10MeV 100kW (BINP) for X-ray

10 3. What are the limiting factors to apply? - Public Acceptances for Radiation Safety - Technical Reliability for Year-round Operation - Regulations under Regulatory Authorities - Competition with Conventional Technology - Scale-up from Laboratory to Commercial Scale

11 1. Is it feasible to apply radiation technology Yes 2. Are there available radiation sources for pollution control? Yes 3. What are the limiting factors to apply? More plants to demonstrate the technology

12 THANK YOU FOR YOUR ATTENTION!