| 1 Hydrogen, Biogas, Biomethane, ATEX | | |
| client | Scope of activity | year |
| BE Energy, Eisenstadt | 200 MW elektrolyzer for renewable green hydrogen production: | 2024-cont |
| Basic engineering | |
| Authority engineering | |
| AWV Knittelfeld | Co-Fermentation at a communal waste water treatment plant | 2006 |
| Basic, authority and detail engineering | 2010 |
| Tendering | |
| Building supervision | |
| Start-up | |
| Bioenerg d.o.o. Crnomelj, Slo | Detail engineering for hygienization unit and consulting for biogas installation utilizing organic waste (1.400 kW) | 2010 |
| Biofutura d.o.o., Slovenia | Evaluation of biogas project Ilirska bistrica | 2008 |
| Biogasanlage Echsenbach | Building supervision for Biogasplant (500 kW) | 2004 |
| Biogas Mölbling | Building supervision for Biogasplant Funder (250 kW) | 2004 |
| Biogas Pöchlarn | Building supervision for Biogasplant (500 kW) | 2004 |
| Biogaspark | Biogas from renewable primary products – | 2003 |
| framework contract (250 + 500 kW): | 2005 |
| Basic engineering | |
| Building supervision | |
| Biogaspark | Building supervision for 4 Biogasplants (2 * 250 kW, 2 * 500 kW) | 2004 |
| Biogaspark, Amstetten | Biogas from biowaste, kitchen slops and slaughterhouse waste: | 2004 |
| Feasibility study and consulting | |
| Biopower, Austria | 2 Biogas plants from renewable primary products | 2006-07 |
| Retz and Ziersdorf, each with an electric power of 1.500 kW: | |
| Basic, authority and detail engineering | |
| Tendering | |
| Building supervision and training of operators | |
| Start-up and guarantee check | |
| COWI A/S, Danmark | Biogas from industrial and municipal organic waste | 2012 |
| (7.5 Mio m³ biomethane): | |
| Feasibility study | |
| EKOKEM Finland (as subcontractor of IG-IUT, Seebenstein) | Biogas from municipal sewage waste (1.200 kW): | 2011 |
| Basic engineering | |
| Tendering | |
| Energie Steiermark | Renewable Gasfield Gabersdorf (PV / Green-Hydrogen-production with PEM-Electrolyser / H2-Storage, compression and dispenser / methanization of biogas): | 2020-24. |
| Basic, authority and detail engineering | |
| Building supervision | |
| · Start-up and guarantee check | |
| Energienetze Steiermark, Graz | Biomethane compressor unit for injection in gas grid Leoben | 2023 |
| Building supervision | |
| · Start-up and guarantee check | |
| Engineering company N.N. | Basic, Authority and Detailengineering for biogas plant processing organic waste material, expansion from 10.000 to 20.000 t/a | 2010 – 2011 |
| Energie Steiermark, Graz, Austria | Feasibility study for Biogas plant Knittelfeld 500 kW from organic waste and agricultural residues | 2009 |
| Energie Steiermark, Graz, Austria | Feasibility study for Biogas plant Auersbach 250 kW from organic waste | 2011 |
| Fetz, Biogasanlage | Document on dangers of Explosive atmosphere (ATEX) | 2010 |
| Hämmerle, Biogasanlage | Document on dangers of Explosive atmosphere (ATEX) | 2010 |
| Hofer, Biogasanlage | Document on dangers of Explosive atmosphere (ATEX) | 2010 |
| Hofer, Biogasanlage | Document on dangers of Explosive atmosphere (ATEX) | 2010 |
| Holding, municipality of Graz | Project move2zero: implementation of a hydrogen infrastructure for the communal H2-busfleet | 2022 |
| Consulting during tendering process | |
| Holding, municipality of Graz | Consulting in the architectural competition for a bus station with hydrogen refueling | 2023 |
| KELAG Wärme | Consulting during maintenance of fermenters and expert opinion on energy efficiency | 2017 |
| MIT Plan / Ideal-Bau | ATEX document for a gas storage facility | 2020 |
| Municipality St. Peter o.J. | Document on dangers of Explosive atmosphere (ATEX) | 2019 |
| Münzer | Biogas from biowaste (500 kW): | 2001 |
| Feasibility study | |
| NAWAROS | Building supervision for biogas plant St. Veit/Glan 1.000 kW | 2002-04 |
| Pilze Nagy, Hungary | Basic engineering for biogas plant 300 kW | 2006 |
| Rauch, Biogasanlage | Document on dangers of Explosive atmosphere (ATEX) | 2010 |
| Republic of Austria, BIG | Biogas plant Voitsberg 64 kW from organic waste: | 2011 – 2013 |
| Basic, authority and detail engineering | |
| Tendering | |
| Building supervision and training of operators | |
| · Start-up | |
| Planegger | Building supervision for Biogasplant (500 kW) | 2004 |
| Planegger | Concept for the modernization and extension of the biogas plant | 2013 |
| Planegger | Plant extension and methanization of biogas by membrane permeation system | 2024 |
| Verbund Green Hydrogen, Wien | 200 MW elektrolyzer for renewable green hydrogen production: | 2024 |
| Basic engineering | |
| · Authority engineering | |
| Wucher, Biogasanlage | Document on dangers of Explosive atmosphere (ATEX) | 2010 |
| 2 Industrial engineering and waste management | | |
| client | Scope of activity | year |
| ABRG Arnoldstein | Basic and authority engineering (AWG) for a hazardous waste storage building | 1999 |
| AE+E (as subcontractor of IG-IUT, Seebenstein) | Secondary fuel for a paper mill in Germany: detail engineering and documentation | 2008 – 2010 |
| AWV Knittelfeld | Solar drying of sewage sludge (Basic, authority and detail engineering, Tendering, Building supervision, Start-up) | 2006 – |
| Optimization of sand recycling and disposal | 2008 |
| | 2013 |
| AWV Liezen and | R&D project: mechanical-biological waste treatment Liezen | 1997 |
| Government of Styria | Characteristics of fuel made from household | 2000 |
| waste fraction > 80 mm | |
| AWV Liezen | mechanical-biological waste treatment and biowaste | 2002-07 |
| Basic, authority and detail engineering | |
| Building supervision | |
| Control of start up including performance tests | |
| Energie Steiermark | E-Campus, Graz | 2022-24 |
| Authority engineering | |
| Permit for waste water disposal | |
| Entsorgt! | Tank and truck cleaning system: | 2000-05 |
| Basic, authority and detail engineering | |
| EPCOS, Deutschlandsberg | Development of a storage concept according to TRGS 510 | 2015 |
| Feldbacher Fruitpartners | Pre-liminary, basic, detail engineering and tendering process for a new production site and head quarter | 2013 – 2014 |
| Integral ZT, Graz | Consulting during authority engineering and for improvement of waste water facilities for a slaughterhouse | 2017 – lfd |
| Kohlroser Franz | Basic and authority engineering: | 2007 |
| Bioethanol production | |
| Treatment of residues oft he biogas plant | |
| LOBBE MTU | Hazardous waste treatment plant Werndorf/Styria/Austria | 2002 |
| Basic, authority (AWG, GewerbeR, WasserR) and detail engineering | 1997 |
| Building supervision | 1996 |
| Start up | |
| Magna Heavy Stamping, Albersdorf | KTL painting plant | 2024-lfd |
| Authority engineering (acc. to IPPC-regulation) | |
| · Permit for waste water disposal | |
| Municipality of Greinbach | Supervision for the communal landfill | 2020-cont. |
| Municipality of Stubenberg | Supervision for the communal landfill | 2020-cont. |
| Pichler Bau | Supervision for the communal landfill | 2024-cont. |
| Schippinger ZT, Graz | Study on gas-emissions from the closed communal landfill Leoben | 1995 |
| Schippinger ZT, Graz | Study on decontamination of the Kiener Landfill, Bachmanning | 1995 |
| Schippinger ZT, Graz | Market survey of the Austrian waste management | 2000 |
| SDAG Austria (as subcontractor of IG-IUT, Seebenstein) | Feasibility study on pre-processing organic waste | 2011 |
| SDAG Slo (as subcontractor of IG-IUT, Seebenstein) | Feasibility study on implementation of an anaerobic MBT in Slovenia | 2011 |
| Stadtgemeinde Frohnleiten | Supervision for the communal landfill | 1996-cont. |
| VTU Engineering | ABRG Arnoldstein: hydrometallurgy | 1996 |
| Basic, authority and detail engineering | |
| WSA waste service austria | Project for a shredding plant for hazardous waste | 2020-24 |
| · Basic, authority and detail engineering | |
| Zöchling | Feasibility study for the processing of industrial waste containing metallic components with the aim of producing und utilizing hydrogen | 2019 – 2020 |
| ZUSER Peggau | Supervision of the waste management site in Peggau | 2012/15 |
| ZUSER Peggau | Treatment plant for surface water of waste handling site | 2016-20 |
| · Pilot scale experiments | |
| · Basic, authority and detail engineering | |
| · Building supervision | |
| · Start up | |
| 3 Waste management, landfill Leachate | | |
| client | Scope of activity | year |
| AE+E through IG-IUT | EPS-processing plant LEIPA | 2008-10 |
| ASA Abfall Service Austria | Landfill leachate plant Halbenrain/Steiermark/Austria | 1992 – 1995 |
| (today named FCC) | · Pilot scale experiments | |
| · Basic, authority and detail engineering | |
| · Building supervision | |
| · Start up | |
| ASA Abfall Service Austria | Landfill leachate plant Erzberg/Steiermark/Austria | 1993 |
| (today named FCC) | Basic and authority engineering | |
| ASA Abfall Service Austria | Landfill leachate plant Köflach/Steiermark/Austria | 1994 |
| (today named FCC) | Basic and authority engineering | |
| Brantner Romania | Landfill leachate, landfill Turnu Severin, Rumänien | 2009-10 |
| Detail engineering | |
| Breitenfeld Edelstahl | Landfill leachate plant for slag landfill | 2000 – 2001 |
| Basic and authority engineering, tendering | |
| Cevre Yönetim Merkezi Tasima; Ankara, Turkey through Rotreat, Austria | Landfill leachate plant Elazig/Turkey | 2012 |
| · Basic and detail engineering | |
| · Building supervision | |
| · Start up | |
| Crystal Clear Membranservice | Landfill leachate plant Barcelona/Spain | 2005 – 2006 |
| · Lab scale experiments | |
| · Basic and detail engineering | |
| · Process optimisation | |
| Hettegger | Landfill leachate plant Hettegger/Salzburg/Austria | 1994 – 1995 |
| · Pilot scale experiments | |
| · Basic and detail engineering | |
| · Building supervision | |
| · Start up | |
| IRAB Innsbrucker Recycling und Abfallbetriebe, Innsbruck | Study to clean landfill leachate and ground water, landfill Ahrental/Tirol/Austria | 1995 |
| Komunala Slovenska Bistrica | Pilot testing of a landfill leachate treatment plant based on MBR technology | 2020 |
| LOBBE Abfallentsorgung | Landfill leachate plant Werndorf/Styria/Austria | 1998 |
| · Pilot scale experiments | |
| · authority and detail engineering | |
| · Process optimisation | |
| Logambiente, Portugal im Wege Rotreat, Österreich | Landfill leachate plant Barlavento | 2019 |
| · Basic and detail engineering | |
| · Building supervision | |
| MTU, Kirchberg | Landfill leachate plant Werndorf/Styria/Austria | 1998 |
| · Authority, basic and detail engineering | |
| · Building supervision | |
| Novo Mesto/CEROD/Rotreat | Lead engineer and supervision of engineering for leachate treatment plant | 2011-15 |
| Slovenia | | |
| RMVG, Eisenerz | Landfill leachate plant Landfill Erzeberg | 2013 |
| · Basic and detail engineering | |
| · Building supervision | |
| Rotreat Abwasserreinigung | Landfill leachate plant Bergheim/Salzburg/Austria | 2001 |
| Basic and authority engineering | |
| Rotreat Abwasserreinigung | Landfill leachate plant Werndorf/Styria/Austria | 2002 |
| · Pilot scale experiments | |
| · Basic, authority and detail engineering | |
| · Building supervision | |
| · Start up | |
| · Process optimisation | |
| Rotreat Abwasserreinigung | Landfill leachate plant Erzberg/Austria | 2013 |
| Detail engineering for a sulphide stripper unit | |
| Sarajevo (municipality) | Feasibiliity study: revamping of an unfit leachate treatment plant | 2016 |
| Sarajevo (municipality) | Pilot scale experiments using MBR-technology | 2018 |
| Strabag, Deutschland through Rotreat, Austria | Landfill leachate plant Erzurum, Turkey | 2006 |
| · Basic and detail engineering | |
| · Building supervision | |
| Strabag, Deutschland through Rotreat, Austria | Landfill leachate plant Kusadasi, Turkey | 2009 |
| · Basic and detail engineering | |
| · Building supervision | |
| UEG, Neuseiersberg | Landfill leachate plant Targu Jiu, Rumania | 2008 |
| · Basic and detail engineering | |
| · Building supervision | |
| VA Erzberg through | Design of a leachate treatment plant as part of the general authority application documents (environmental assessment study) | 2014 |
| Schippinger + Partner | | |
| WTE Wassertechnik | Consulting for a landfill leachate plant in SE Europa | 2011 |
| 4 Water and Waste Water | | |
| client | Scope of activity | year |
| Altenmarkt (municipality) | Consulting to solve a odour problem in the public sewer system | 2013 |
| Andritz, Graz | Expert opinion on the waste water treatment plant of the papermill Paloma, Slovenia | 2017 |
| AVL List, Graz | General waste water concept und authority engineering: | 1996 |
| AVL List, Graz | Optimization of water management: closing cycles and cooling/heating | 1999 |
| AVL List, Graz | Redesign of rain water system and engineering for new wells | 2002-24 |
| AVL List, Graz | Authority engineering for waste water and cooling water system | 2022 |
| AWV Laßnitz-Wildbach-Gamsbach | Future prospects and conceptual studies – WWTP Frauental | 2019 |
| AWV Mittleres Laßnitztal | Future prospects and conceptual studies – WWTP Zehndorf | 2019 |
| AWV Neunkirchen | Design of a leachate treatment plant as part of the general authority application documents (environmental assessment study) | 2014 |
| Biodiesel Kärnten | Basic engineering, supervision of start-up and operational consulting for a MBR-waste water system for a biodiesel plant | 2009 |
| Breitenfeld Edelstahl | Project for landfill leachate (industrial site) | 2000 |
| Breitenfeld Edelstahl | Project for industrial waste water and water cooling concept | 2001 |
| District of Brcko, Bosnien | SWOT and PEST analysis of implementation of a communal waste water treatment system | 2010 |
| DARBO, Stans/Tirol | Consulting for cost optimization – waste water system | 2002 |
| Diary Freistadt | Basic, authority and detail engineering for industrial waste water system making us of membrane solutions, sewer drainage | 2001 |
| DS Smith Kalsdorf | General waste water concept und authority engineering: | 2020 |
| Optimization of water management: closing cycles | |
| ekos, Vahrn, Südtirol | MBR-plant for the treatment of liquid waste materials | 2019-21 |
| · Pilot testing | |
| · Basic and Detail engineering | |
| · start-up | |
| · commissioning | |
| EPCOS OEG | Authority engineering for industrial waste water system, sewer drainage | 1999 |
| Deutschlandsberg | | 2011 |
| Georg Fischer Altenmarkt | Engineering concept to eliminate an odour problem and preparation of authority engineering documents to obtain an renewed permit | 2013 – 2014 |
| GL Pharma Lannach | General waste water concept und authority engineering | 2021 |
| GL Pharma Lannach | Optimization of water management: closing cycles | 2022 |
| | |
| GL Pharma Lannach | Authority engineering for surface water discharge | 2023 |
| GL Pharma Lannach | Authority engineering for extension of surface water discharge | 2025 |
| Güssinger Garnelen | Consulting to optimize the operation and implementation of a denitrification | 2021 |
| Liezen (municipality) | Optimization and modernization of the aeration of the communal WWTP | 2014 |
| LOBBE MTU | Authority engineering for industrial waste water system making us of membrane solutions, direct drainage to river | 1997 |
| MCT Ankara, Türkei | Basic engineering of a MBR-based containerized solution for waste water treatment for communities from 2.000 – 20.000 PE | 2010 |
| RINGANA Holding | General waste water concept und authority engineering: | 2020-21 |
| Basic and detail engineering, tendering, construction and start-up supervision, commissioning, consulting for legal contract with communal WWTP | |
| ROTO Frank Kalsdorf | MBR-Pilot plant operation | 2017 |
| ROTO Frank Kalsdorf | Basic and Detail engineering of a MBR-plant | 2017 |
| ROTO Frank Kalsdorf | Commissioning and Authority engineering of MBR plant | 2019 |
| ROTO Frank Kalsdorf | Basic and detail engineering for revamping the WWT-plant including the implementation of a ion-exchange plant | 2021 |
| Rotreat Abwasserreinigung, Graz | R&D project: Adaptation and optimization of a pond type communal waste water treatment plant, making use of membrane technology | 1999 |
| Rotreat Abwasserreinigung, Graz | Detail engineering of a MBR-containerplant and pilot-testing at ESAROM, Korneuburg | 2007 |
| Liezen (municipality) | Consulting for the communal waste water plants in respect to industrial waste water emissions (indirect discharger) | Since 1998 cont. |
| Weiz (municipality) | Consulting for the communal waste water plants in respect to industrial waste water emissions (indirect discharger) | Since 1999 |
| St. Peter o.J. (municipality) | Adaptation and optimization of a pond type communal waste water treatment plant with 1.500 PE using MBR technology | 2001-2004 |
| St. Peter o.J. (municipality) | Consulting for the communal waste water plants in respect to industrial waste water emissions (indirect discharger) | 2000-22 |
| Saubermacher AG, Lenart, Slo | MBR-plant for the treatment of surface water | 2017 |
| · Feasibility study | 2020 |
| · Pilot plant operation | |
| · Basic, Detail, authority engineering | |
| · commissioning | |
| Saubermacher AG, Premstätten | Basic and Detail engineering, start-up and commissioning of a MBR-plant for the treatment of fluid waste materials | 2016 |
| Saubermacher AG, Premstätten | Feasibility study for the treatment of surface water | 2022 |
| Saubermacher AG, Trofaiach | Basic and Detail engineering, start-up and commissioning of a WWTP for the treatment of fluid waste materials | 2018 |
| Steinrieser Getränke, Styria | MBR-plant for treatment of effluent of soft drink production | 2016–25 |
| · Pilot plant operation | |
| · Basic, Detail, authority engineering | |
| · commissioning | |
| · extensions | |
| TDK, Deutschlandsberg | General waste water concept und authority engineering: | 2020 |
| Basic and detail engineering, consulting during tendering, supervision, consulting for legal contract with communal WWTP | |
| | 2021 |
| VTU Engineering, Graz | Basic and authority engineering for biodiesel waste water unit – BDV | 2006 |
| General concept, basic engineering and commissioning for highly loaded biodiesel waste water treatment plants | 2007 |
| Weiz (municipality) | Tendering process for a 30.000 PE communal waste water plant | 2001 |
| Construction supervision | 2003 |
| ZUSER Peggau | MBR-plant for the treatment of surface water | 2017 |
| · Feasibility study | 2019 |
| · Pilot plant operation | |
| · Basic, Detail, authority engineering | |
| · commissioning | |
| 5 Energy | | |
| client | Scope of activity | year |
| AVL List, Graz | Feasibility study and energetic optimization of internal processes | 1998 |
| AWV Knittelfeld | Optimization of energy consumption at the waste water plant | 2013 |
| LOBBE Werndorf | Feasibility study and energetic optimization of internal processes | 1997 |
| Stadt Liezen, Bauhof | Optimization of phosphate precipitation and wattless current compensation, production of renewable energy at the waste water plant | 2009 |
| Stadt Weiz und Land Stmk. | Optimization of energy consumption and production of renewable energy at the waste water plant | 2010 |
| Wopfinger Baustoffindustrie | Expert opinion on efficiency of a waste heat recovery system | 2010 |
| 6 Safety analysis | | |
| client | Scope of activity | year |
| ABRG Arnoldstein | Safety analysis | 1999 |
| DSM Linz im Wege VTU | HAZOP for „building 700“ | 1998 |
| Energie Steiermark | HAZOP on interfaces as basis for a CE-declaration for the whole plant as part of the Power 2 Gas Projects Gabersdorf | 2022-23 |
| Energienetze Steiermark | Assessment on CE regulations for the Power 2 Gas project Gabersdorf | 2022-23 |
| Energienetze Steiermark | HAZOP for the project Hygrid | 2023/24 |
| LOBBE Werndorf | Safety analysis | 1997 |
| Schippinger ZT, Graz | Safety analysis for the waste treatment plant AWV Liezen | 1996 |
| Schippinger ZT, Graz | Safety analysis for the waste treatment plant RMVG Eisenerz | 1995 |
| VTU Engineering, Graz | Safety analysis for cement works Gartenau | 1999 |
| Zementwerkes Leube | Analysis of potential risks and dangers | 10/18/2005 |
| Zementwerkes Leube | HAZOP on interfaces as a basis for a conformity assessment of the oil cuircuit | 2023-24 |
| 7 Other | | |
| client | Scope of activity | year |
| AWV Liezen | Tendering process for transportation of household waste and biowaste | 2003 |
| | 2010 |
| AWV Knittelfeld u.U. | Tendering of engineering services for a canalization project | 2009 |
| AWV Murau | Tendering of logistic services for paper transportation | 2013 |
| Township of Knittelfeld | Tendering of engineering services for a canalization project | 2013 |
| Biodiesel Vienna | Tendering of waste management services | 2007 |
| Hans Hütter | Expertise on the characteristics of the product Renoxal | 2002 |
| MCI Innsbruck | Lectures at the University MCI Innsbruck | 2008-09 |
| ÖSB Unternehmensberatung, Graz | Lecture on regulations for operational facilities | 1997 |
| ÖWAV + LEA | Lectures at biogas operation course | 2006-08 |
| Philips Components Lebring | Expertise on compliance with the Austrian dissolvent regulation | 1997 |
| Rotreat Abwasserreinigung, Graz | Organisation of the congress „Optimierung von Kläranlagen durch innovative Membrantechnik“, St. Peter ob Judenburg | 1998 |
| Rotreat Abwasserreinigung, Graz | Organisation of the congress „1. österreichische kommunale Membrankläranlage“, Weiz | 2002 |
| VTU Engineering, Graz | Consulting for process engineering and design of P&I Diagrams for DSM-Chemie, Linz | 1998 |
| 8 Research Projects | | |
| client | Scope of activity | year |
| FFF & ÖKK, Land Steiermark | R&D project: optimization of Nitrate and Phosphorus removal for communal waste water treatment plants making use of membrane technology | 1998 |
| FFF & Stadtlabor Graz | Wastewater treatment for hybrid energy storage, energy supply and resource recovery – ARHES-B | 2015 |
| FFG & AEE Intec | Phase out of fossile gas for the manufacturing industry – Fossilfree4Industry – FFG-Nr.: 904652 | 2024-cont |
| FFG & SFG | R&D project: development of a novel membrane distillation process to recover valuable ingredients from waste water and biogas plants | 2015 |
| Government of Styria | R&D project: mechanical-biological waste treatment Hartberg | 2000 |
| IFA Tulln (co-ordinator) | Partner in EU Craft-Project „MESH – Integrated Wastewater Treatment Process using Mesh Filter Modules for Direct Activated Sludge Separation” | 2006 – 09 |
| Rotreat Abwasserreinigung, Graz | Collaboration FFG R+D project EnRecoTreat | 2014 |
| Application of membrane distillation for waste water treatment | |
| Rotreat Abwasserreinigung, Graz | Collaboration FFG R+D project GalvanoMD | 2014 |
| Application of membrane distillation in metal plating industry | |
| SFG Steir. ForschungsförderungsGes. | Application of membrane distillation for ammonia recovery in biogas plant – AMRE-MD | 2014-16 |
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