Demonstration of CO 2 -free Ammonia Synthesis using Renewable Energy-Generated Hydrogen

Transcription

1 NH3 Fuel Conference 2018 NH3 Energy+ Topical Conference in AIChE Annual Meeting Demonstration of CO 2 -free Ammonia Synthesis using Renewable Energy-Generated Hydrogen Oct. 31st, 2018 (JGC Corporation) M.Kai, Y.Fujimura, T.Fujimoto, (National Institute of Advanced Industrial Sceience and Technology) H.Takagi, T.Nanba, Y.Manaka 1

2 JGC s Main Business Domains Refineries Petrochemicals & Chemicals LNG Gas Processing Power Generation Industrial Up & Mid Stream Environmental & Energy Conservation Medical Facilities & Research Laboratories 2

3 Supply Chain of CO 2 -free Ammonia Renewables Wind Solar (PV or CSP) Electricity Water Water Electrolysis CO 2 -free Hydrogen Nitrogen from Air Power Generation G Ammonia Gas Turbine or Boiler Hydro Air Ammonia Synthesis CO 2 -free Ammonia Fossil Fuels (Natural Gas) Reforming CO 2 Hydrogen +Nitrogen CCS or EOR (Enhanced Oil Recovery) Ammonia Fuel Cell 3

4 Background and Objectives R&D Theme Development of Ammonia Synthesis Process from CO 2 -free Hydrogen under SIP Energy Carriers Major R&D Items; (1) Development of ammonia synthesis catalyst with high activity at low pressure and temperature (2) Demonstration of new catalyst performance 4

5 Fukushima Renewable Energy Institute, AIST (FREA) Ammonia Gas Turbine Demonstration Area Ammonia Synthesis Demonstration Plant Pure Hydrogen Experiment Building Hydrogen Energy Carrier Demonstration Building Wind Power Generation System (rated Power 300kW) Koriyama, Fukushima Energy Control Building Photovoltaic Power System Demonstration Field (rated Power 500kW) Courtesy of AIST 5

6 Ammonia Demonstration Plant NH 3 Synthesis Reactor (Backside of this Vessel) Control Room Liquid NH 3 Tank Reactor Top Elevation H 2 Cylinders N 2 Cylinders Ru/REO 2 catalyst produced on a semi-industrial scale By JGC C&C 6

7 Simplified Process Flow Diagram of Plant Feedstock Section Compressor Section PC PC FC ü Location : AIST FREA (Fukushima, Japan) ü Reactor Inlet Conditions: FC PC < 400degC, < 8MPaG ü Feedstock : Cylinder Gas FC ü Product : Liquefied Ammonia TC LC Ammonia Separation and Storage section Hot Oil Section Reactor Section 7

8 Demonstration Plant Highlights ü 2018.Jan: Construction Completed. ü 2018.Mar: Commissioning Completed. ü 2018.Apr: Demonstration Plant Operation Started. (Press Release: ü 2018.May: Expected Catalyst Performance confirmed at the Design Condition. ü 2018.Aug: CO 2 -free Hydrogen based Ammonia successfully produced, and Power Generated by 100% Ammonia Gas Turbine. (Press Release: 8

9 Comparison between Lab. Test and Demonstration Test 12 Equilibrium Concentration NH3 Concentration [mol%] Lab. Test Result Demonstration Test Result <Conditions> Rx Inlet Temperature : 400 Rx Pressure : 5MPaG H 2 /N 2 Ratio : /WHSV [h] Demonstration Test Results are almost equal to Lab. Test Results. 9

10 Demonstration of CO 2 -free Ammonia Value Chain Electricity CO 2 -free H 2 CO 2 -free NH 3 G Electricity Photovoltaics* H 2 O Ammonia Gas Turbine Test Unit Electrolyzer* Ammonia Synthesis Demo. Plant N 2 Ammonia Synthesis By New Catalyst 100% Ammonia Gas Turbine * Photovoltaics *) Collaboration with AIST-FREA, and SIP Ammonia Direct Combustion Team Electrolyzer World s First Demo. by this scheme! 10

11 Operation with Renewable Energy-Generated Hydrogen 400degC 11.5% 5MPaG 1.3kg/h 33kg/day 0.27kg/h 11

12 Future Plan ü In the near future, fluctuation operation simulating variable renewable energy will be conducted, to confirm - (a) Ru Catalyst high activity under feed gas flowrate rapid increase/decrease operation, (b) ammonia plant operation flexibility (allowable turn down range) ü In the near future, commercial scale plant design and cost study will be conducted. 12

13 Summary ü Ammonia is a promising energy carrier for CO 2 -free power generation. ü The demonstration plant of ammonia synthesis using the developed catalysts has been in operation from early ü CO 2 -free ammonia production using renewable energy - generated hydrogen as feedstock has been conducted. ü In the near future, fluctuating operation simulating variable renewable energy will be conducted. And commercial scale plant design and cost study will be conducted. ü JGC will contribute to decarbonization and energy supply chain. 13

14 Acknowledgement Thank you very much This study was supported by the Council for Science, Technology and Innovation (CSTI), Cross-Ministerial Strategic Innovation Program (SIP), Energy Carriers (Funding agency: JST) 14