A8A The BERBION-Project efficient material & energy recovery from organic waste and waste water in the Hamburg district Bergedorf Funded by the Program Bioenergy 2021 by the Federal Ministry for Education and Research Helmut Adwiraah INSTITUTE OF ENVIRONMENTAL TECHNOLOGY AND ENERGY ECONOMICS Hamburg University of Technology
BERBION Overview Bioresources solid fluid Kitchenwaste, green waste, waste water Pre-treatment biological physical chemical shredding, sieving, segregation, pressing, steam explosion, cavitation, enzymes, chemicals, ultrawaves biological Biogas Bioethanol Energy production thermal Incineration (reference) Material utilisation z.b. concentration, de-watering, composting, pelletizing, extraction, precipitation Collection Vacuum-, subsurface systems, In-Situ-Processing, re-directing waste streams Ethanol Methane Hydrogen Energy carrier Raw material Nitrogen Phosphorus Humus Extracts Organic Material Ecological and ecological assessment Logistic concepts Energy utilisation Electricity Heat Fuel Material utilisation Feritiliser Soil enhancer Chemicals Solid fuels
BERBION Overview Bergedorf: Area 155 km², population 120,000 Goal: Complete utilization of organic waste and waste water for energy and material generation Scientific Goal: Methods to increase efficiency Practical Goal: Bioresources concept for the district Bergedorf Project period: 2009-2013 Special: holistic, interdisciplinary, trans-sectoral 13 Organizations: Policy (District Administration) Bezirksamt Bergedorf Companies Hamburger Stadtentwässerung Stadtreinigung Hamburg ASA Spezialenzyme Dr. Kim Kleeberg Umweltanalytik Ingenieurbüro für Abfallwirtschaft BERBION 2021 Science TUHH: Institut für Umwelttechnik & Energiewirtschaft, Hamburg Institut für Abwasserwirtschaft & Gewässerschutz, Hamburg Institut für Verkehrsplanung & Logistik, Hamburg Johann Heinrich von Thünen-Institut, Hamburg Deutsches Biomasseforschungszentrum, Leipzig TUK: Institut für Bioverfahrenstechnik, Kaiserslautern UIBK: Institut für Mikrobiologie, Innsbruck
The Region - Bergedorf Allermöhe Altengamme Bergedorf area 155 km² population 120,000 Billwerder Curslack Kirchwerder Lohbrügge Moorfleet Neuengamme Ochsenwerder Reitbrook Spadenland Tatenberg Biobin density Population density Selection criteria: Diversity, manifold unused bioresources, dynamic location
Inventory: waste & waste water Detailed inventory: What? Where? When? How much? Whereabouts? Reasons? Private households garden waste, kitchen waste, waste water Public areas: parks, dikes, water bodies, cemeteries, streets, nature sanctuaries, ecological compensation areas, contractual nature protection areas Agriculture, Forestry grass, yard, hedge and tree clippings, leaves, mixed green waste Industry, commerce, others grass, wood, harvesting residues, manure, energy crops green waste, food waste, leftovers, fats, incontinence waste, waste water
Identification of relevant areas Legend private households private gardens compensation areas contractual nature reserve agriculture nature reserve public roads
Digestion Plant Design
New systems for waste Collection, Storage, Transport Mass efficient, economical, user-friendly, city compatible Kitchen waste, woody waste, herbaceaous waste, leaf, gras - Green waste: - Fold-away box for gardens - Woody materials to estate border - Shredding when picked up - Leaf / Grass: - Collection parking place - Pelletizing when picked up - Kitchen waste - Bag, toilette, sink, floor, front court - Vacuum, sub-surface systems - Together with waste water fractions
New systems for waste water Collection, storage, transport Mass efficient, economical, user-friendly, city compatible Black water, brown water, urine - Pilot system: separate collection of concentrated black water with under-floor storage New vacuum- & storage technology Separation toilet - Test system: separate collection of urine and brown water Vacuum toilet with macerator
New technologies for product generation Technology comparison Measures for increasing efficiency Bio- resource Pre- treatment Energy generation Energy carrier Energy user Squeezing Chemicals Steam explosion Kavitation Biological processes - alcoholic digestion - anaerobic digestion Ethanol Methane Hydrogen Ultrasound Microwave Enzymes In comparison to incineration Ensilage Microorganisms...
Evaluation: Processes & management strategies Economical, technical, social feasible Ecological aspects: energy, nutrients, humus, climate protection Collection in the city Leaf Biobin waste Waste wood Food waste Bioresource X-Y... Biorefinery A Biorefinery B... Biorefinery Y Biorefinery X Pellet Compost Electricity Heat... Products X-Y Distribution in the city Export
Civilisation Biorefinery: Complex of biorefineries for utilization of regional bioresources Collection in the city Leaf Biobin waste Waste wood Food waste Bioresource X-Y... Biorefinery A Biorefinery B... Biorefinery Y Biorefinery X Pellet Compost Electricity Heat... Products X-Y Distribution in the city Export
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