HomeMy WebLinkAbout04. (Handout) Presentation for Gasification discussion Item 4. (Committee Handout) GASIFICATION CONCEPT Melody LaBella, P.E. Resource Recovery Program Manager -� Real Estate, Environmental _ & Planning Committee Meeting December 13, 2016 1' D.ha Dwbb andlfr D�a61a RnaarraReawp p.opu,a rmrotlepaeassAlp m dnorwood warfen lan{7fb ead/m�cr+ctf hnn andmnn Rand bawldt lowMlla dmn way�aMfaelh:m anLa.t�on bpradrpe.nwrabr clamnp.bech.r,and rnlurr dMrpwwAaurpu F*+er+b %11T GASMIAT N ?ftOCESS FLOR • GuLuawua�vuwauwa • lbenaesceed�Ba',Arn An -d a A Clem CL A. A.St Dsxe AAa Stmdpde • WgW)�e7Sueoe uvh over 9M. holanie mrtmd • Pmd—buchu ab(h eaeba¢.+b[iQdeO ud • enaty pouhce a.y le pep—ADt—hde a bpb.mnuve caveee fi,d—L Delta Diablo .. 1_ Energy r PROJECT DRIVERS — DELTA DIABLO • Diversification of biosolids disposal • Reduced volume of biosolids requiring long-distance hauling to Solano/Merced Counties • Reduced liability associated with the uncertainty of land application !o PROJECT BENEFITS — DELTA DIABLO • Securing reliable, nearby disposal for a portion of their biosolids • Community partner • Reduction of greenhouse gas emissions (reduced truck traffic) • Production of renewable energy • Potential (minor) revenue source associated with biochar _i 1 HOW GASIFICATION FITS IN AT DELTA DIABLO ry Delta Diablo Anaerobic - Digesters I 4 l �.f —T _ 101 A •�. W�W'++u lead Wafts Iw•e innlon) Gasification ~P Vehlde MnnwEle Wel lle<mcey eownae �x. �5 w� ' . ,, wed. I PROJECT DRIVERS — CENTRAL SAN • Single solids handling method • Little flexibility or redundancy • Permitted capacity of multiple hearth furnaces • Growing regulatory pressures on air emissions • High anthropogenic greenhouse gas (GHG) footprint due to CoGen • Declining landfill gas supply 1 PROJECT BENEFITS - CENTRAL SAN • Onsite source of renewable energy • Would allow elimination of Cogen • Dramatically reduce natural gas purchases • Dramatically reduce anthropogenic GHGs • Would eliminate potential for exceeding current threshold for participation in Cap & Trade Program for GHGs • Diversify solids handling • Reduce loading on the furnaces 1 HOW GASIFICATION FITS IN AT CENTRAL SAN VIV SOUOg cnrwnrcE Wood Waste Gasification MULTIPLE HEARTH ". INCINERATION Renewable Electrkity e.v n„ [ecfYB1A11d1 4 HOW CENTRAL SAN'S STEAM DEMAND IS CURRENTLY MET Wasto Heat Boilers Co-generation 11'e 43 Auxiliary Boilers 16% WHAT'S NEXT? • Continue meeting with Delta Diablo • Draft RFP for solicitation? o Implementation Plan & develop RFP • CEQA • Truck traffic • Jurisdiction ', • Access • Title V (BAAQMD Air Permit) ;�Mir 5 QUESTIONS?