Prosessi- ja jätevesien käsittelyn teemapäivä Varkaudessa VTT beyond the obvious 1

Transkriptio

1 Prosessi- ja jätevesien käsittelyn teemapäivä Varkaudessa VTT beyond the obvious 1

2 Aamupäivän asiantuntijapuheenvuorot Kello , Haitta- ja arvoaineiden talteenotto jätevedestä Mona Arnold, VTT Kello , Rasvojen ja proteiinien erottelu jätevedestä Antti Grönroos, VTT Kello , Prosessivesien käsittely Antti Grönroos, VTT Kello , Sivuvirrat hyötykäyttöön Mona Arnold, VTT Asiantuntijapuheenvuorot ovat noin 30 minuutin mittaisia. Puheenvuoron jälkeen kysymyksiä ja keskustelua VTT beyond the obvious 2

3 Iltapäivän työpaja Kello , Prosessi- ja jätevesien käsittelyn työpaja VTT kehitti Kestävät ratkaisut veden ja jätteen käsittelyyn -kärkiohjelmassaan teolliseen vedenkierrätykseen energiaa säästäviä menetelmiä mineraalien ja materiaalien erottamiseksi uusiokäyttöön sekä sensoriteknologiaa saasteiden helppoon ja nopeaan havainnointiin. Työpajassa etsitään konkreettisia malleja ja menetelmiä yritysten ja tuotantolaitosten synnyttämien sivuvirtojen hyödyntämiseen ja synergioiden löytymiseen. Työpajan kulku: Työpajan alustuspuheenvuoro, Onko tulevaisuudessa jätevettä, Mona Arnold, VTT Työpajatyöskentely, yritys-caseja ja ratkaisumalleja, fasilitaattoreina Mona Arnold & Antti Grönroos, VTT Työpajan loppuyhteenveto, Antti Grönroos, VTT VTT beyond the obvious 3

4 Mona Arnold Johtava tutkija. Tekniikan lisensiaatti ja MBA. Yli 20 vuoden kokemus ympäristötekniikan t&k:sta. Euroopan Innovaatioplatformin EIP Waterin johtoryhmän jäsen. Euroopan vesiteknologiaplatformin VTTn edustaja (mm. Water and Industry sekä Food Energy Water -nexus ryhmien jäsen) Erikoistunut teollisuuden ja kunnallisen jäteveden käsittelyn resurssitehokkuuteen VTT beyond the obvious 4

5 Antti Grönroos Erikoistutkija. Filosofian tohtori. Yli 20 vuoden kokemus erotustekniikan ja ympäristötekniikan t&k:sta. Osaamisalueina vesien ja lietteiden käsittely aina nestekiintoaine-erotuksesta membraanitekniikkaan. Projektipäällikkökokemusta monista erilaisista projekteista sekä kansallisesti että kansainvälisesti. Tominut yhden vuoden apulaisprofessorina (assistant professor) University of Maine:ssa USA:ssa. Erikoistunut teollisuuden ja kunnallisen prosessivesien kierrätykseen ja puhdistukseen VTT beyond the obvious 5

6 Separation technology at VTT VTT beyond the obvious 6

7 VTT Separation technology VTT develops solutions for demanding customer needs and applications. Separation and purification technology is a key enabler to develop circular economy solutions and chemical processes. VTT is dedicated to various fields of separation technology, i.e. solidliquid and liquid liquid mixtures in particular. VTT works in co-operation with universities, research institutes and industrial partners. VTT has excellent facilities for separation and purification studies from laboratory to pilot scale. We strive for improved process efficiency and product purity, minimized energy consumption, greener solutions, recycling, recovery of valuable products from waste and side -streams, and lower environmental impact. VTT has Ex-classified pilot halls and equipment.

8 Circular Economy with VTT Separation Technology Mechanical dewatering and pre-treatment concepts for sludges Artificial dewatering methods for peat 2010 Development of thermal stimuli controlled filters Closing water circuits at P&P sector Usable products from sludge and ash 2020 Process chemicals circulation Technologies for potable water 2000 Fractionation for biorefinery MBR for wastewater treatment Nutrients recovery Water circuits at mining sector Fouling control of membranes in wastewater filtration

9 VTT research for efficient separation Energy efficiency Osmosis and temperature driven technologies (FO, MD) Fouling/biofouling control Real-time fouling detection Surface treatments for antifouling properties Rheology control Pre-treatment concepts On-line diagnostics Process modelling Hybrid technologies Good water quality Membrane technologies Pre/post-treatment concepts Catalysis and catalytic materials On-line diagnostics Resource recovery Sorption technologies Synthetic biology Foam assisted dewatering for sludges and concentrates Hybrid technologies Natural membrane materials

10 Water treatment as an example Wastewater Lake/river water municipal WW SW BW Inlet water purification Pre-treatment Main treatment Post-treatment Concentrates Treatment Recource recovery Deposition Water Water intensive processes: Pulp and paper industry Mining industry Food industry Concept for water reuse Pre-treatment Main treatment Post-treatment Outlet water purification based on Environmental legislation Immediate surroundings Water to rivers, lakes, sea, etc. Wastes Raw materials

11 Test environments for solid liquid separation Several test environments for coagulation and flocculation studies Several screw presses Several belt filters Several pressure filtration simulators Several separators and centrifuges Continuous measuring, monitoring and data collection Several test environments and knowledge for piloting

12 Test environments for membrane concepts Several test environments with replaceable membrane module for Microfiltration up to reverse osmosis Forward osmosis (FO) Membrane bioreactor process (MBR) Electrodialysis (ED) Pressure, feed flow (crossflow velocity) and temperature adjustment Continuous measuring, monitoring and data collection Feed flow Pressure in and out Temperature Flux Several test environments and knowledge for piloting

13 Test environments for advanced oxidation Test environments for hydrodynamic cavitation Test environments for sonication Test environments for ultraviolet Test environments for oxidative chemicals Test environments for combination of above

14 VTT activities e.g. at membrane field Understanding water quality requirements for end users Development of membranes/filters and supports Module and equipment design Fouling control solutions Good performance Cost efficient Lower capital costs Less energy intensive Up to 50% Simple No cleaning Robust Low fouling, less cleaning No cleaning chemicals Concept development Pilot testing

15 Project example SpotView (Dairy, Pulp and Paper and Steel) VTT beyond the obvious 15

16 SPOTVIEW - Sustainable Processes and Optimized Technologies for Industrially Efficient Water Usage The objective develop and demonstrate innovative, sustainable and efficient processes and technology components, in order to optimize the use of natural resources, especially water, in three industrial sectors (Dairy, Pulp and Paper and Steel) contributing to 44% of industrial water usage in EU A total of 14 existing and new technologies will be assessed during the project Targets 20% to 90% reduction of water usage, wastewater emissions, chemicals and energy use The market opportunities for future services and technology products beyond the SPOTVIEW project will generate up to new equipment and new jobs in Europe The implemented process and technology will be evaluated in terms of environmental impacts and benefits, generated by achieving the SPOTVIEW targets VTT beyond the obvious

17 SPOTVIEW - Sustainable Processes and Optimized Technologies for Industrially Efficient Water Usage Issues & Strategies e.g. in Dairy Effluent stream valorization and water conservation in dairy industry Various scenarios have been developed by CERTH and assessed in parallel with MEVGAL, aiming at recovery of valuable compounds minimizing freshwater consumption reducing energy expenses for water and wastewater treatment biogas production VTT beyond the obvious

18 SPOTVIEW - Sustainable Processes and Optimized Technologies for Industrially Efficient Water Usage Main process Streams in Dairy Flushing The first seconds between products changes or the first step before a CIP cycle start - rich in proteins and fat Whey stream By-product from the production of cheese (yellow or white cheese). It is used for the production of whey cheeses - rich in proteins Fat-free whey stream By-product from the production of whey cheese - high content of salt. UF permeate It is produced during the ultra-filtration of milk. It s main - substance is lactose VTT beyond the obvious

19 Project example Afterlife (Fruit processing, Cheese and Sweets manufacturing) VTT beyond the obvious 19

20 AFTERLIFE - Advanced Filtration TEchnologies for the Recovery and Later conversion of relevant Fractions from wastewater The objective AFTERLIFE proposes a flexible, cost- and resource-efficient process framed in the zerowaste and circular economy approach for the recovery and valorization of the relevant fractions from wastewater. The outcomes of the project will be focused on: Demonstration of an integrated pilot using real wastewater from three water intensive food processing industries (fruit processing, cheese and sweets manufacturing) Demonstration of the applicability of the recovered compounds and the value added bioproducts in manufacturing environments The design and optimisation of the AFTERLIFE process following a holistic approach will contribute to improve performance and reduce the costs associated to wastewater treatment by maximising the value recovery VTT beyond the obvious

21 AFTERLIFE - Advanced Filtration TEchnologies for the Recovery and Later conversion of relevant Fractions from wastewater The main advantages of the AFTERLIFE approach are: (1) complete recovery of the suspended and soluble matter in wastewater (2) up to 75% concentration of the nutrients, resulting in a reduction of the working volume and thus cost of the subsequent fermentation processes (3) higher flexibility: The AFTERLIFE technologies can be applied to different industrial processes (4) a wide range of products can be recovered (from high value-added metabolites and extracts to value-added biopolymers) from wastewater (5) maximisation of the cost-effectiveness of wastewater treatment VTT beyond the obvious

22 AFTERLIFE - Advanced Filtration TEchnologies for the Recovery and Later conversion of relevant Fractions from wastewater To collect wastewater from industries representative of different food processing sectors with disparate characteristics To obtain a representative characterization of the wastewaters from industrial providers To design the unitary operations for wastewater pretreatment according to the required characteristics for the input of the filtration steps To maximize the separation of solid and liquid phases To produce ultrapure water as output after the filtration steps Ultrapure water >70% TOC < 50 µg/l Conductivity < µs/cm Nitrates < 0.2 ppm Bacterial growth < 10 colony forming unit (CFU)/100 ml VTT beyond the obvious

23 Project examples - Resource container (Municipal and Industry) VTT beyond the obvious 23

24 Resource container - Products from wastewater The objective To develop, design and demonstrate smallscale Resource Container concepts to purify water and recover valuables from decentralized wastewater streams including industry with their own wastewater treatment The target The project targets to the solutions for solid/liquid separation assisted by flocculation, phosphorous recovery, nitrogen recovery, pure water production for reuse, and carbon recovery (COD reduction) and products from solids. The Resource container - Products from wastewater -project develops novel technology concepts to recover pure water and nutrients for reuse by mobile Resource Container treatment, and carbon recovery and production via suitable concerted way VTT beyond the obvious

25 Project examples Digestion (Municipal) VTT beyond the obvious 25

26 Enhancement of sludge digestion; From lab scale to commercial product Time frame: 2002 Co-operation: TEKES, University of Jyväskylä, TUHH, VVY, Cavia, DWT Engineering, YIT Environment, Kemira, Consulting firms, WWTPs (10) Aim: Increasing biogas production and decreasing generation of sludge using dewatering and disintegration by ultrasound technology Dewatering Disintegration Digestion 26

27 Project examples CoreCOD (Reduction of recalcitrant COD from paper mill effluents) VTT beyond the obvious 27

28 CoreCOD - Reduction of recalcitrant COD from paper mill effluents The Europe industries are strongly reducing their fresh water in-take - in many cases targeting near to zero discharge. At the same time, environmental regulations for COD are tightening. The requirements for the pulp&paper making effluent treatment are worldwide getting tighter and companies are looking into a new cost-efficient solutions. On the other hand tightening regulations will open new markets for technology providers in water sector. The project developed and demonstrated novel concepts for reduction of recalcitrant COD in water intensive industries, especially Pulp&Paper (P&P) industry VTT beyond the obvious

29 Project examples Biorefinery (Pulp & Paper) VTT beyond the obvious 29

30 Biorefinery New products Hemicellulose, lignin recovery and productization Technologies used at VTT Extraction Filtration Membrane filtration Washing Drying Productization VTT beyond the obvious

31 Project examples Mining VTT beyond the obvious 31

32 MINING water purification, water reuse, concentration, chemical recycling, new products Water treatment concepts done Reuse Purification before discharge Tailing treatments Technologies used at VTT Leaching Precipitation Crystallization Membrane filtration Adsorption VTT beyond the obvious