Laetitia d'Ursel - Waterleau Anaerobic Digestion Case studies - Waste Expo & Conference 2014

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<ul><li><p>WIN-WIN: </p><p>FROM ORGANIC WASTE TO ENERGY RECOVERY</p><p>CASE STUDIES: CO-DIGESTION, FOOD WASTE &amp; ORGANIC MUNICIPAL SOLID WASTE</p></li><li><p>From wastewaterFrom sludgeFrom biomassFrom biosolidsFrom waste</p><p>CLEAN ENERGY</p><p>Chemical pollutantsDesulphurization</p><p>DedustingVOC and odour control</p><p>(Bio)gas cleaning</p><p>Soil remediationHazardous waste</p><p>Municipal wasteIndustrial wasteSolids &amp; sludge</p><p>Drinking waterProcess waterWastewaterDesalinationWater reuse</p><p>CLEAN AIR</p><p>CLEANING UP WASTE</p><p>WATERLEAU: 1500+ REFERENCES IN 82 COUNTRIES</p><p>CLEAN WATER</p><p>Environmental Process Engineering Design Build Operate</p><p>47 Technologies &amp; 30 Patents - Own Equipment Manufacturer</p></li><li><p>WASTE MANAGEMENT &amp; MINIMIZATION STRATEGY</p><p>Thermal: </p><p>Combustion, Gasification, Pyrolysis</p><p>Biological: </p><p>Anaerobic Digestion</p><p>Landfill: </p><p>Landfill gas recovery</p><p>Disposal</p><p>Energy Recovery</p><p>Recycle / Compost</p><p>Reuse</p><p>Minimisation</p><p>Prevention</p><p>Biological: </p><p>Anaerobic Digestion</p></li><li><p>WASTEWATER </p><p>FOOD &amp; BEV</p><p>CONCENTRATES </p><p>OF BIO </p><p>FACTORY</p><p>MWWTP </p><p>SLUDGE</p><p>POTATO </p><p>WASTE, MAIZE, </p><p>MIXED </p><p>BIOWASTE</p><p>KITCHEN &amp; </p><p>RESTAURANT </p><p>WASTE</p><p>ORGANIC </p><p>FRACTION OF </p><p>MSW</p><p>WATERLEAU ANAEROBIC DIGESTION FROM A TO Z</p><p>% DM in </p><p>reactor</p><p>% DM Input</p><p>Kg COD/m</p><p>3-10% DM 2-8% DM 3-4,5% DM 7-12% DM 8-12% DM 25-35% DM</p><p>Biogas</p><p>Nm/T80 80 20-30 110 120 - 130 110 - 120</p><p>2-20 kg</p><p>3-9% DM</p><p>2-20 kg</p><p>5-7% DM</p><p>50-70 kg</p><p>15-20% DM</p><p>150-200 kg</p><p>15-35% DM</p><p>150-250 kg</p><p>35-50% DM</p><p>150-200 kg</p><p>Reactor </p><p>types</p><p>UASB</p><p>UATUAC Solids</p><p>Wet AD</p><p>CSTR</p><p>Wet AD</p><p>CSTRDry AD</p></li><li><p> PRIMARY ADVANTAGES:</p><p> Reduce volume of organic waste Obtain a clean end product Produce green energy (electricity, hot water &amp; steam)</p><p> SECONDARY ADVANTAGES:</p><p> Pathogen destruction</p><p> Pre-treatment for nutrient recovery</p><p> Reduction of odors</p><p> Reduced greenhouse gas emissions </p><p> Conversion to more available N (N to NH3). </p><p> Improved flow properties</p><p> Improved fertilizer efficiency</p><p>ANAEROBIC DIGESTION AS A BIOLOGICAL SOLUTION TO TREAT WASTE</p></li><li><p>RENEWABLE ENERGY</p><p>DIGESTATE TREATMENT: FERTILIZERS &amp; CLEAN WATER</p><p>HIGH </p><p>QUALITY </p><p>FERTILISER</p><p>HIGH </p><p>QUALITY </p><p>FERTILISER</p><p>BIOGAS</p><p>PRE-</p><p>TREATMENT</p><p>PRE-</p><p>TREATMENT</p><p>ANAEROBIC </p><p>DIGESTOR</p><p>ANAEROBIC </p><p>DIGESTOR</p><p>DRYINGDRYING</p><p>COMPOSTINGCOMPOSTING</p><p>RESIDUERESIDUE</p><p>WATER</p><p>TREATMENT</p><p>WATER</p><p>TREATMENT</p><p>ORGANIC</p><p>WASTE</p><p>ORGANIC</p><p>WASTE</p><p>AIR/ODOUR TREATMENT</p><p>CLEAN WATERCLEAN WATER</p><p>ANAEROBIC DIGESTION PROCESS AND ITS END PRODUCTS</p><p>SOLIDS</p><p>TREATMENT</p><p>SOLIDS</p><p>TREATMENT</p><p>DESULPHURIZATION</p><p>CLEAN </p><p>BIOGAS &amp; </p><p>ENERGY</p><p>WATER </p><p>REUSE</p><p>WATER </p><p>REUSE</p><p>SPLIT-UP </p><p>DIGESTATE </p><p>WATER </p><p>&amp;</p><p>SOLIDS</p><p>SPLIT-UP </p><p>DIGESTATE </p><p>WATER </p><p>&amp;</p><p>SOLIDS</p><p>HIGH </p><p>QUALITY </p><p>FERTILIZER</p><p>HIGH </p><p>QUALITY </p><p>FERTILIZER</p></li><li><p>WASTEWATER </p><p>FOOD &amp; BEV</p><p>CONCENTRATES </p><p>OF BIO </p><p>FACTORY</p><p>MWWTP </p><p>SLUDGE</p><p>POTATO </p><p>WASTE, MAIZE, </p><p>MIXED </p><p>BIOWASTE</p><p>KITCHEN &amp; </p><p>RESTAURANT </p><p>WASTE</p><p>ORGANIC </p><p>FRACTION OF </p><p>MSW</p><p>ANAEROBIC DIGESTION FROM A TO Z</p><p>% DM in </p><p>reactor</p><p>% DM Input</p><p>Kg COD/m</p><p>3-10% DM 2-8% DM 3-4,5% DM 7-12% DM 8-12% DM 25-35% DM</p><p>Biogas</p><p>Nm/T80 80 20-30 110 120 - 130 110 - 120</p><p>2-20 kg</p><p>3-9% DM</p><p>2-20 kg</p><p>5-7% DM</p><p>50-70 kg</p><p>15-20% DM</p><p>150-200 kg</p><p>15-35% DM</p><p>150-250 kg</p><p>35-50% DM</p><p>150-200 kg</p><p>Reactor </p><p>types</p><p>UASB</p><p>TowerUAC Solids</p><p>Wet AD</p><p>CSTR</p><p>Wet AD</p><p>CSTRDry AD</p></li><li><p>CASE 1 - MIXED BIOWASTE </p><p>CO-DIGESTION</p><p>CASE 2 FOOD WASTE</p><p>BIOENERGY FROM BIOMASS CASE STUDIES</p><p>DP World Port of Antwerp</p><p>(Marine terminal operator )</p><p>60,000 Tons/year</p><p>200 Nmbiogas/T</p><p>1,370 Nm biogas/h</p><p>3 MWe</p><p>WTL New Energy Ypres</p><p>(Bioenergy production plant) </p><p>120,000 Tons/year</p><p>105 Nm biogas/T </p><p>1,400 Nm biogas/h</p><p>3,2 MWe</p><p>7,7 MWth</p><p>SABMiller</p><p>(Brewery) </p><p>3.000 m/d </p><p>10.500 kg COD/d</p><p>4.200 Nm biogas/d</p><p>6 MWth</p><p>CASE 3 ORGANIC </p><p>FRACTION OF MSW</p><p>Intradel</p><p>(Municipal waste company) </p><p>25,000 Tons/year</p><p>1 MWe</p></li><li><p>CASE1: WTLNEI - ATOMIC VIEW</p><p>H2O, C, N, P, K</p><p>C (CH4)</p><p>H2O</p><p>NPK</p><p>WTL New Energy Ypres Belgium : 3,2 MWe - 7,7 MWth</p><p>120,000 TPY bio-wastePig &amp; Cattle Manure, Chicken litter, Crops, Slaughterhouse and Food &amp; Restaurant waste</p></li><li><p>CASE1: WTLNEI INPUT MIXTURE</p><p>Input ton/year</p><p>Pig Manure</p><p>Solid (dehydrated) manure</p><p>Restaurant Waste</p><p>Chicken Litter</p><p>15.000</p><p>20.000</p><p>2.000</p><p>INPUT MIXTURE: ORGANIC WASTE + MANURE</p><p>Organic Waste 20.000</p><p>Energy Crops 20.000</p><p>35.000</p><p>15%</p><p>34,3%</p><p>14,7%</p><p>19,6%</p><p>2%</p><p>19,6%</p><p>Dry Matter</p><p>25%</p><p>15%</p><p>50%</p><p>20%</p><p>33%</p><p>9%</p><p>BiogasNm/ton </p><p>Nm/hour</p><p>25</p><p>110</p><p>200</p><p>200</p><p>200</p><p>40</p><p>247</p><p>173</p><p>157</p><p>247,6</p><p>49,4</p><p>493,8</p><p>Biogas %</p><p>11,3%</p><p>19,5%</p><p>3,5%</p><p>35,5%</p><p>17,7%</p><p>12,4%</p><p>Ng N/kg </p><p>%</p><p>5</p><p>2,5</p><p>24</p><p>4</p><p>3</p><p>7</p><p>6</p><p>46</p><p>14</p><p>9</p><p>9</p><p>15</p><p>TOTAL 102.000 100% 111 1392 100% 5,18 100</p></li><li><p>CASE 1: WTLNEI PROCESS FLOW DIAGRAM</p><p>Two types of digestors Biogas CHP</p><p>Liquid fraction - wastewater treatment</p><p>Solid fraction treatment</p><p>Pre-treatment</p><p>Organic </p><p>waste</p></li><li><p>CASE 1: WTLNEI PRE-TREATMENT</p><p> Mixing &amp; liquidifying with blender pulper</p><p>Sieving</p><p>Package &amp;</p><p>overflow waste</p><p> Removing pollutants through Sieving</p><p> Hygienisation: &lt; 12 mm pulp 1 hour @ 160 F</p></li><li><p>CASE 1: WTLNEI WET ANAEROBIC DIGESTION &amp; POST DIGESTION</p><p>Anaerobic Digestion:</p><p> 2 x 4.000 m HRT 40 days Reactor type: CSTR Mesophilic 70% biogas generation</p><p>Post Digestion:</p><p> 2 x 2.200 m HRT 13 days 30% biogas generation</p></li><li><p>CASE 1: WTLNEI DESULPHURIZATION &amp; COGENERATION UNIT (CHP)</p><p>Desulphurization &amp; Cogeneration (CHP):</p><p> 7.7 MW thermal energy Input 1,400 Nm/h 3.2 MWelec 1.5 MWth Steam 2.5 MWth Hot Water</p></li><li><p>CASE 1: WLTNEI HYDROGONE DRYING</p><p>Indirect Dryer:</p><p> Input 22 % DM Output 12,000 TPY @ 90 % DM 1.5 MW Steam 1.8 TPH H2O evaporation</p></li><li><p>CASE 1: WTLNEI ACTIVATED SLUDGE CONTACT STABILIZATION PROCESS</p><p>Wastewater Treatment:</p><p> Input 15 m/h Input COD 20.000 mg/l Output COD 10.000 mg/l</p></li><li><p>CASE 1: WLTNEI EVAPORATOR</p><p>Evaporation Unit:</p><p> Input 15 m/h Recuperation of a 15% </p><p>ammonium solution</p><p>Ammonia </p><p>fertilizer solution</p><p>Potassium </p><p>Fertilizer</p><p>Process water</p></li><li><p>CASE 2 FOOD WASTE</p><p>BIOENERGY FROM BIOMASS CASE STUDIES</p><p>DP World NPG Energy </p><p>(Marine terminal operator )</p><p>60,000 Tons/year</p><p>200 Nmbiogas/T</p><p>1,370 Nm biogas/h</p><p>3 MWe</p></li><li><p>CASE 2: DP WORLD - FOOD WASTE</p><p>TOTAL USA MSW DISCARDS 2011 164 Million Tons</p><p>(AFTER RECYCLING &amp; COMPOSTING)</p><p>U.S. Environmental Protection Agency (EPA) (2013) Municipal Solid Waste Generation, Recycling, and </p><p>Disposal in the United States: Facts and Figures for 2011. </p><p>35 Million Tons/ Year</p></li><li><p>CASE 2: DP WORLD - FOOD WASTE</p><p>60,000 TPY WASTE - 3 MWE FOR CONTAINER HANDLING/ COOLING</p></li><li><p>CASE 2: DP WORLD - FOOD WASTE - WET AD FLOWSHEME</p><p>Solid</p><p>Waste </p><p>Liquid</p><p>Fertiliser</p><p>Macerator / </p><p>Pump</p><p>Storage </p><p>Tank</p><p>Solid </p><p>Fertiliser</p><p>WET AD 15 days</p><p>Post Digestor </p><p>BIOGAS to </p><p>CHP Units</p><p>Liquid </p><p>waste</p><p>Hygienisation</p><p>Solid Dosing</p><p>Soup tank</p><p>WET AD</p><p>50 days</p><p>Main Digestor</p><p>Screw press</p><p>Digestate</p><p>Biogas</p><p>Stones, Metal</p><p>Belt Dryer</p><p>Active Carbon </p><p>Polishing</p><p>Heat Exchanger</p><p>Electricity</p></li><li><p>CASE 2: DP WORLD - FOOD WASTE</p><p>WET AD: Organic Industrial Waste + Expired Food Waste</p><p>Capacity 60,000 tons/year - 200m biogas/T - 3 MWel</p><p>CHP units</p><p>Pre-</p><p>Treatment</p><p>Storage </p><p>TanksWet AD</p><p>Liquid </p><p>digestate</p><p>Wet AD</p><p>Post Digester</p><p> Dryer</p></li><li><p>CASE 2: PRE-TREATMENT: DOSAGE / MIXING / FEEDING</p><p>Dosing unit </p><p>solid waste</p><p>Soup tank</p><p>Blending/mixing</p><p>Hygienisation</p><p>Cogen : 3 MWe</p></li><li><p>CASE 2: ANAEROBIC DIGESTORS</p><p>DIGESTORS</p><p>- 3 main digestors (99,000 ft/each)</p><p>- 1 post digestor (87,400ft)</p><p>- 12%DM in digestors</p><p>TOP MIXER (11kW) </p><p>to counter the floating layer caused by : </p><p>- Glycerine</p><p>- Wheat</p><p>- Biomix(Soap stock)</p></li><li><p>CASE 2: BIOGAS COST EFFECTIVE DESULPHURISATION</p><p>STEP 1: </p><p>AIR INJECTION IN ROOF</p><p>Air injection in biogas membrane: </p><p>- Input: 1,000 ppm H2S</p><p>- Output 100 200 ppm H2S</p><p>STEP 2:</p><p>FINAL POLISHING/ABSORPTION </p><p>WITH ACTIVE CARBON</p><p>Output: </p></li><li><p>CASE 2: COGENERATION UNIT - GENSET : 2 X 1,5 MWE</p><p>BIOGAS MOTORS (2) : </p><p>- 3.65 MW biogas to Motor (100%)</p><p>- 1.50 MW elec (42% efficiency)</p><p>- 0.65 MW exhaust gas (18%)</p><p>- 1.02 MW hot water (28 %)</p><p>All heat recuperated for dryer, </p><p>hygienisation and digestion</p></li><li><p>BIOENERGY FROM BIOMASS CASE STUDIES</p><p>CASE 3 ORGANIC </p><p>FRACTION OF MSW</p><p>Intradel</p><p>(Municipal waste company) </p><p>Study for dry AD</p><p>25,000 Tons/year</p><p>1 MWel</p></li><li><p>CASE 3: ORGANIC FRACTION OF MSW - DRY ANAEROBIC DIGESTION</p></li><li><p>CASE 3: ORGANIC FRACTION OF MSW - DRY AD 25,000 TON/YEAR 1 MWEL</p><p>hydrolysis</p><p>Blender</p><p>Dosing</p><p>ShredderMagnetic Separator</p><p>Storage </p><p>area</p><p>DRY AD</p><p>Acceptance </p><p>Hall / pre </p><p>treatment</p><p>Cogen unit</p><p>Dryer</p><p>Air treatment</p><p>Biofilter</p></li><li><p>THANK YOU</p><p>Global office - Belgium</p><p>T +32 16 650 657 F +32 16 650 663info@waterleau.comwww.waterleau.com</p><p>USA office</p><p>M +1 (714) 727 7607 Laetitia.dursel@waterleau.comwww.waterleau.com</p></li></ul>