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Food for Thought -A Paradigm Shift inResource Recovery                Clean Water America Alliance       Urban Water Susta...
The Evolution of Wastewater Treatment600 BC                                    Early History of Public         The Cloaca...
The Food Waste Disposer- Feedstock Preparation Device for R2Food Waste   At Least 70% Water   Same Specific Gravity as  ...
Body of Knowledge   Decades of Existing Research   Widespread Consumer Acceptance & Use ~60% of US Households   Contemp...
Questions/Comments?Michael Keleman, Lead Environmental Engineer                InSinkErator                262-598-5219   ...
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Resource recovery

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Transcript of "Resource recovery"

  1. 1. Food for Thought -A Paradigm Shift inResource Recovery Clean Water America Alliance Urban Water Sustainability Leadership Conference October 3-5, 2011 Milwaukee, WI Michael Keleman, Lead Environmental Engineer
  2. 2. The Evolution of Wastewater Treatment600 BC  Early History of Public The Cloaca Maxima Safety & Health Sewers/Broad Street Pump - Cholera, Dysentery, The Sanitation Plant Typhoid The Sewage Treatment Plant  Clean Water Act of 1972 The Wastewater Treatment Plant - Secondary Treatment The Water Pollution Control - Eutrophication Plant  Desire for a Cleaner The Water Reclamation Plant Environment Resource Recovery - EDCs, PCPs - Clean Water, Energy &  Energy Independence Fertilizer  “Peak Phosphorus” 2000  Climate Change 2
  3. 3. The Food Waste Disposer- Feedstock Preparation Device for R2Food Waste At Least 70% Water Same Specific Gravity as Human Waste Efficiently Transported in Sewers 95% of Particles <3mm Improves Biogas Production Synergistically with Sewage Concerns/Issues? Sludge  Water & Energy Use High Carbon to Nitrogen  Sewer Impacts Ratio – Biological Nutrient Removal  FOG  Organic Overload of WWTPs 3
  4. 4. Body of Knowledge Decades of Existing Research Widespread Consumer Acceptance & Use ~60% of US Households Contemporary Studies - LCA of Food Waste Management Options Climate Change - Settleability of Food Waste 60% of BOD and 90% of TSS removed during primary clarification Knowledge Gaps & Pending Studies - Degradation in Sewers Surahammar, Sweden - Value of Food Waste Carbon to WWTP for BNR Optimum WW Treatment – 100:5:1 (BOD:TN:P) Typical WW – 20:6:1 (TOC:TN:P) Food Waste – 22:1:0 4
  5. 5. Questions/Comments?Michael Keleman, Lead Environmental Engineer InSinkErator 262-598-5219 michael.keleman@emerson.com
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