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Receive information requested at January 26, 2017 Board Workshop regarding Applied Research and Planning Projects, including the nature of the projects and the pilot project staff is considering for the Collection System p Aili- 4. 1 APPLIED RESEARCH AT CENTRAL SAN Dan Frost, Senior Engineer - Planning & Applied Research Group 1 June 21 , 2017 J Real Estate, Environmental, and Planning �: , Committee Meeting STRATEGIC PLAN GOAL SIX : EMBRACE TECHNOLOGY, INNOVATION , AND ENVIRONMENTAL SUSTAINABILITY -7i Strategy 3: Encourage the � : - -- --�� Review and Testing 11Df Promising and Leading Technology Applied Research is important because it can help to: • Reduce capital costs = - • Reduce operations costs " .`o���i • Improve reliability performance STRATEGIC • Eliminate hazards & improve safety P2016-18 �-' • Maximize use of existing infrastructure CENTRAL SAN HAS A HISTORY OF EMBRACING INNOVATION • 1980s: Waste-to-Energy System • 1997: Largest UV facility in the United States _ (_ • Early adopter of technologies (e.g. closed-circuit television inspection of sewers, SL-RAT, trenchless construction) � • Central San empyloees take pride in innovations and developing creative solutions PLANNING APPLIED - RESEARCH GROUP • Applied Research & � Owl& Optimizations i • Planning Projects & Evaluations • Model Administrators/Modeling Services • Recycled Water Program Operations/Training Support for Regulatory, Capital, �I Operations, Maintenance • Process/Technical Support Collection System Annual Reporting Treatment Plant Recycled Water 1 APPLIED RESEARCH & OPTIMIZATIONS CO, MMITTEE ESTABLISHED . Planning & Applied Research low- Plant Capital Project Maintenance a R b Plant..- — Operations/ Laboratory Controls Regulatory Compliance RECENT APPLIED RESEARCH EFFORTS Ak ZeolitemAnam ox Centrifuge Ultraviolet Pilot Pilot Transmittance Objectives: Evaluate Objectives: Test new Objectives: Investigate feasibility for main- technology for higher decreasing UVT trend & stream nutrient removal dewatered cake solids identify UVT of different Lead: Regulatory Lead: Operations/ wastewater streams Compliance Control Systems Lead: Planning RECENT APPLIED RESEARCH EFFORTS MEMO= ,s -411 Filter Capacity Caustic Addition Sludge Testing Pilot Screening Objectives: Evaluate Objective: Determine Objectives: Remove process capacity & I caustic system design plastics from sludge to performance of existing criteria for scrubber pH reduce HCl furnace filter plant control &I reduce HCl emissions Lead: Planning furnace emissions Lead: Capital Projects Lead: Regulatory Compliance ,� CURRENT APPLIED RESEARCH EFFORTS or Wet Scrubber / Lime Selector Air Pollution Reduction Evaluation/SRT Control Pilot Testing Control Objectives: Confirm Objectives: Reduce Objectives: Improve performance & furnace loading, secondary treatment, design criteria, reduce operations & more consistent evaluate boiler maintenance costs sludge volume index bypass performance � (SVI), reduce bulking, & scrubber water increase treatment & potential impacts filter capacity � % A LoOK AHEAD AT APPLIED RESEARCH POSSIBLE NUTRIENT REMOVAL PILOTS i Simultaneous fill/draw G U't - - Aerobic tone: •Eiologicai oxidation -Ammonium oxidation SECONDARY w6yF. w }ir+4phate removal CLARIVER Anoxic 1 Anaerobic Zone: 3 Fast Settling z Aeration NOx reduction to Nitrogen gas - � •Phosphate remova; � FINE TIONBUBBLE N e t ed O AERATION l�� cyclus ZEELUNG .4: CASSETTES i..s�.si+tw� .+ s :ate',• AERATION 6LOWEA r r rane Aerated BAerob'l'c Granular Sludge Enhance nutrient removal treatment Innovative n utrient removal process that capacityof existing tanks reduces ever •� �y needs . does not require • Possibly reduce plant expansion needs external carbon addition on Membranes in anaerobic zone deliver Sequencingbatch integrated into reactors oxygen to a biofilm attached to the existing continuous flow reactors membrane surface Completingfeasibility report forpilot, • Completing feasibility report for pilot considering inter-agency pilot options :tri t A LoOK AHEAD AT APPLIED RE ARCH - SOLIDS H ;4t 1.1 -w-I L v WE&RF HYPOWERS Project Innovative BeioEnergy Project • Awarded $1.2M DOE grant in Dec. 2016 Led by Melody LaBella, Resource Recovery • Emerging hydrothermal resource recovery Program Manager process (converts wastewater solids to Reduce operations & maintenance costs, biofuel, renewable gas, fertilizers, etc.) strive for net zero energy • Phase 1: Pilot Planning/Design/Permitting Solicit interested bioenergy companies • Phase 2: 3 ton per day pilot interested in partnership opportunities to • Collaboration with WE&RF, PNNLJ, Genifuel, produce renewable energy and process a Merrick, Tesoro, MicroBio Engineering, portion of the wastewater solids SoCal Gas, Utility Advisory Panel, & Others ' A LOOKAHEAD AT APPLIED COLLECTION SYSTEM INSPECTIONS 37 - y y l,y Large Diameter Pipe Inspections Force Main Inspections • Cutting edge inspection technologies 0 Pressure transient monitoring, acoustic (laser scanning, 3-D HID Cameras, sonar, etc.) leak detection', electromagnetic • Over 76 miles of large-diameter sewers from 0 Over 21 miles of force main up to 30" 24" to 102" diameter (mostly reinforced diameter (concrete, ferrous, plastic pipe concrete pipe, over 50% are >50 years old) materials) • Inspections prioritized by risk score 0 Inspections prioritized by criticality • Update condition scores, investigate 0 Update condition scores, investigate corrosion and sediment, defects, etc. corrosion, defects, etc. A LOOK AHEAD AT APPLIED RESEARCH/PLANNING - SEWER MODELS --� lnfoMastee CM ._ „�,... �.Ee � � N IN r-S � 8've5f4 ^4d§ 3� 8 �8y� �_ _ _ Forecast Year Test Smart Manhole Covers Continue to Pilot & Optimize • Monitor surcharge in key areas InfoMaster Risk Model of collection system Update sewer degradation model • Investigate/validate InfoWorks Update sewer replacement plan model predictions Investigate software improvements (e.g. new GIS layers) i���1►711 MANY OTHER POTENTIAL PROJECTS & INVESTIGATIONS IN THE QUEUE • Aerationiar flow investigation • Final effluent channel aeration reduction pilot • Chemically enhanced primary treatment (CEPT) benchtop pilot • B ioxide dosing optimization pilot • Instrumentation upgrades planning (e .g. power meters, nutrient analyzers, improved flow meters) • And others . . . . a� A l 16 • SCAN&SORT BASIC TECHNICAL ASSESSMENT BY REVD d N`I'ERESTE7 PARTIES AVWERF X0 � 00 Ak A.. - OR • esiduals 4al Nutrierd Re Biosolids wring Wastewater T _ _ Collection _ ofthe Future +w... BACWA Committee Junell, 2015 r �► a . , Sergio Ramirez;West Bay Sandary Distict SIMILAR TO PAST PROJECTS, RESEARCH CAN YIELD REAL BENEFITS • Eliminated Gaseous Chlorine � Safety Hazard oil Business Case Evaluation for UV ,` ��.----- versus Chlorination • UV system has successfully disinfected wastewater for the last 20 years 'r� ���-► • Increased primary solids '� removal from 60 to 75% ■ 4 � ���` Improved centrifuge Ila ~ dewatering performance QUESTIONS?