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Helector completes first PPP waste project in Greece

Fighting Food Waste Plastic Plans Champions 12.3 making progress World first EU strategy for plastics Page 22 Page 36 COVER STORY

16 WASTE MANAGEMENT WORLD JANUARY-FEBRUARY 2018 COVER STORY

In ancient Greece, the first municipal dumps were established around 400 BC and laws passed to ensure there would be no dumping within 2 km of the city walls. More recently, inadequate waste management has seen the country fined by the EU on numerous occasions. However, in Kozani, Greece’s first PPP waste project could be a glimpse of things to come.

By Ben Messenger

ith mounting urgency over the need to com- ply with European Wdirectives relating to waste management as well as to provide a better quality of life for its citizen, in June 2015, a PPP contract was awarded for the construction and operation of an Integrated Solid Waste Management System (ISWMS) in the Greek region of Western Macedonia. Following a competitive tender process the publicly owned company,

JANUARY-FEBRUARY 2018 WASTE MANAGEMENT WORLD 17 COVER STORY

DIADYMA, awarded a 27 year contract FINANCE to design, build and operate the plant to E.P.A.DY.M. – a joint venture formed of waste management and construc- €48 MILLION tion firms, HELECTOR and AKTOR Total budget for the project CONCESSIONS. DIADYMA was founded in 1998 to serve waste manage- €13 MILLION ment needs of Western Macedonia’s 12 Funding through the European Investment Bank municipalities and 300,000 residents. Its shareholders include the Municipalities €13 MILLION of Amydaio, Argos Orestikou, Deskati, Through the Urban Development Eordaia, Florina, Grevena, Kastoria, Fund (Jessica) for Western Mace- Kozani, Nestorio, Prespes, Servia – donia, handled by the Investment Velvento and Voio. Bank of Greece, contributing to the The project included the construc- absorption of EU funds that would tion of the ISWMS, which includes a not have been used otherwise Mechanical Biological Treatment (MBT) plant, Residual sanitary Landfill, Waste ings, a service station, a fuel station, a lab- €5.6 MILLION Water Treatment Plant (WWTP), as oratory and a new waste transfer station From the National Bank of Greece, which covered the financing need well as auxiliary projects such as weigh in Kozani. It also included the operation of the construction VAT of the bridges, an administration building, a of the existing facilities including nine project washing facility, a workshop, office build- waste transfer stations. Following a two-year construction and testing period, on 10 June last year, HELECTOR opened the plant on time. The opening ceremony was attended by George Stathakis, Minister for the JENZ BA 915 D Environment and Energy, who inaugu- rated the facility, as well as representa- tives of local government and solid mu- Easy handling, nicipal waste management bodies from full power across Greece. HELECTOR “took the risk, provided the technology and outlined the terms on which the entire PPP arrangement was carried out, closely monitored by our ministry in collaboration with the Ministry of Economy, which was reflected in the con- tractual terms,” explains Stathakis.

OPERATION The ISWMS is able to receive around 120,000 tonnes of municipal waste each year via 10 regional waste transfer stations. Trucks arriving at the facility are weighed on a weighbridge which records incom- ing waste and then proceed to the reception unit. Once tipped into the reception www.jenz.de bunker, a crane is used to feed a moving floor which in turn feeds the material to a pre-treatment unit where a manual sort- JENZ GmbH Maschinen- und Fahrzeugbau Wegholmer Str. 14∙ 32469 Petershagen∙ Germany ing process of bulky material occurs. +49 5704 / 94090 ∙ [email protected] ∙ www.jenz.de “At the beginning of the line we have some bag openers,” explains Fanis

Jenz_Wa_Ma_Wo_88x122.indd 1 22.01.2018 10:16:54 18 WASTE MANAGEMENT WORLD JANUARY-FEBRUARY 2018 COVER STORY

Tsilionis, Director of the Engineering at also recover paper and card, and fer- HELECTOR. “Then we have two screens – rous and non-ferrous metals. Residual, a drum screen and a vibrating screen - to non-recyclable waste is disposed of at an separate three different fractions depend- adjacent sanitary landfill. The remaining ing on the size of the material. material, with the paper and plastics re- The fine stream is sent to the com- moved, passes over band magnetic separa- posting facility while the intermediate tors for ferrous recovery and eddy current and large fractions are sent for further separators for the recovery of aluminium sorting. First a pair of TOMRA optical cans,” says Tsilionis. sorters identify plastic materials suitable The recovered materials are baled prior for recycling. The next pair removes pa- to sale. The plant operates six days per per from the stream. A ballistics separa- week on two shifts and all the mainte- tor is also used to sort plastics based on nance takes part in the downtime. their shape, with films separated from The project also includes an Event 3D plastics such as bottles. A further Hall, where the educational programme pair of optical sorters separate 2D plas- of EPADYM is implemented in col- The Integrated Solid Waste Management tic films into two streams – transparent laboration with DIADYMA. Its scope System developed by HELECTOR in and coloured. is to provide information to the pu- Western Macedonia is able to process up to 120,000 tonnes per year of waste and “The plant recovers five different types pils, students and residents of Western produces a Type A compost material. of plastics – transparent film and mixed Macedonia about the operation of the coloured film, PET, HDPE and PP. We plant and raise awareness on issues of

Upcoming events [email protected] www.menart.eu Tel: +32 (0)65 61 07 60 A6.308 - hall 6

JANUARY-FEBRUARY 2018 WASTE MANAGEMENT WORLD 19 COVER STORY

waste management and sustainable de- als we’re going to produce for the next ENVIRONMENTAL velopment. 25 years.” BENEFITS According to Herhof, its computerised ORGANICS system processes organic waste into a hy- The organic fraction is diverted to the gienically sound product. Organic material <36% composting facility for biological treat- is aerated for approximately two weeks in Of residual waste now going to ment in enclosed horizontal aerobic bio- composting boxes with regulated tempera- landfill reactors. Back in 2005, the firm acquired ture, ventilation and humidity. In order to German technology developer Herhof ensure a hygienic output, the composted >80% and its composting technology, which material is heated up to 60°C. In addition, Diversion of the biodegradable significantly improves the biological sta- odours and groundwater pollution are fraction from landfil bility of the material. managed within the closed system. “We produce a Compost Like Output The semi-stabilised material produced (CLO),” explains Tsilionis. “We could is then transferred to a maturation shed 35% produce a Solid Recovered Fuel (SRF), where it remains for 4 to 6 weeks and is Expected recycling rate by weight but since the plant is located in a major turned using a windrow turner as re- of recyclable material entering the lignite mining centre where the CLO can quired by temperature, humidity and plant be used for restoration purposes. We are oxygen content. Following this period, working on a contract with the Public the fully stabilised material is sent to a Type A Power Corporation of Greece which refinery unit where the organic material Compost being produced gives us an option to sell all the materi- is separated from any residual materials

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such as hard plastics, glass, gravel, films “WE SIGNED problem and deliver the project within and other inert wastes. The end result is a THE DEAL two years. We’re very proud to have made Type A compost which is considered to be such an achievement,” he adds. fully refined and meets the requirements AND 20 DAYS of Greek legislation. LATER, CAPITAL THE FUTURE The plant is currently diverting more CONTROLS While not currently implemented, the than 80% by weight of biodegradable new national waste management plan wastes from landfill and achieving a re- WERE IMPOSED (NWMP), is expected to see additional covery rate of recyclables of more than SO WE HAD TO measures such as the separate collec- 35% by weight of the quantity of recycla- UNDERTAKE tion of organic wastes come into force. ble materials entering the SWTP. THE PROJECT This will result in the availability of additional waste streams. Because of this, NAVIGATING FINANCIAL HEADWINDS IN A CAPITAL to future proof the plant, HELECTOR According to George Skouteropoulos, CONTROLLED says that the biological treatment and finance manager at Helector,, the pro- ENVIRONMENT.” the mechanical sorting technologies are ject was a breakthrough: “It was the first designed to be compatible with these ad- PPP in waste management. Of course it ditional waste streams. was a challenge. It was the first robust The plant currently receives mixed mu- project with backing from the European nicipal waste. However, the firm is dis- Investment Bank. The process require- cussing with the public authority the op- ments are quite challenging. It was a big tion of processing pre-sorted organics, as challenge, and a big success. Also bear in well as other types of pre-sorted materials mind that financial closure took place such as mixed plastics which can be han- on the 10th of June 2015, at the peak of dled with the mechanical separation unit Greece’s financial turmoil with a lot of operating as a kind of MRF operation. pressure from lenders and the European With the implementation of the Commission.” NWMP Nikos Perdikaris, general man- “We signed the deal and 20 days later ager of EPADYM, believes there is poten- capital controls were imposed, so we tial in Greece for significant additional had to undertake the project in a capi- waste infrastructure, and Kozani’s MBT tal controlled environment while hav- provides an ideal model for financing ing to acquire equipment from abroad. Nikos Perdikaris those projects. Time will tell. Watch this Nevertheless, we managed to bypass the General Manager of EPADYM space…

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