Suez SA

Suez SA (Suez) is a company that transform residual waste into electricity and heat, helping to meet local renewable energy needs, whether industrial or domestic. The Suez supports characterisation of residual waste in terms of composition, but also evolution, study and engineering, choice of energy source and sizing of the sector, construction of units, operation and optimisation of your installation over time, CO2 capture and management.

The Suez offers biogas recovery methods adapted to local contexts: proximity to natural gas transmission or distribution networks, local energy needs (residential, collective, tertiary, industrial), presence of natural gas refuelling stations for vehicles, etc.

The Créteil waste-to-energy plant

In December 2018 the Val-de-Marne urban mixed waste treatment agency (SMITDUVM) entrusted the concession to upgrade and operate the Créteil waste-to-energy recovery unit to SUEZ – in partnership with TIRU, a Dalkia subsidiary – for a period of 20 years via the dedicated company Valo'Marne. The contract involves transforming carbon into oxygen, producing hydrogen for vehicles, green electricity and heat for the district heating network and growing tomatoes in greenhouses while creating local jobs.

These are the words of Laurent Cathala, mayor of Créteil, expressing his pride in a project he describes as particularly "innovative and bold". The first installations will be operational by 2023. Processing capacity will be expanded to recover even more waste – 345,000 tonnes a year – and convert it into green electricity at the same price as normal electricity for the SMITDUVM member municipalities, or into heat for Créteil residents. Not forgetting the installation of a carbon sink that uses microalgae to capture CO2 and convert it into biomethane for use in the gas network; hydrogenthe reduction of NOx emissions to less than 50 mg/Nm3 a production to fuel clean vehicles, a first in France; nd the use of river transport to limit truck journeys, with a transfer quay in Champigny-sur-Marne.

To produce and transport the steam to the Haguenau production site, SUEZ concluded a 15-year partnership relative to the supply of sustainable energy with MARS Wrigley France, ENGIE and the SMITOM in charge of processing the household waste from Haguenau-Saverne.

Doosan Lentjes

Doosan Lentjes is one of the world's leading specialists in grate combustion. Doosan reciprocating grate features adjustable grate bars that move back and forth between fixed bars. Three sections are installed and the width of the grate is tailored to suit the moisture content, calorific value and composition of the waste. With low wear and tear and a high thermal load-bearing capacity of roughly 1MW/m2, Doosan water-cooled grate is suitable for the incineration of high-calorific waste, such as, solid recovered fuel.

The roller grate consists of six graded cylindrical rolls switched in a row, the revolutions of which may be regulated to adapt to different waste incineration behaviour. The roller surfaces are cooled continuously by the primary air, which also enables higher calorific waste to be fed in.

Poland's waste management infrastructure

After completion, which is expected in 2024, 265,200 tonnes of municipal solid waste will be thermally treated per year in the Polish capital. Our proven air-cooled reciprocating grate technology will ensure highest operational flexibility with regard to changing waste qualities or compositions and thus guarantees long-term disposal security. The new plant will make a significant contribution to meeting European requirements for sustainable waste management.

In executing the project, we are drawing on well-founded experience in the Polish market for waste incineration: not only are we currently building the new thermal waste treatment plant in Olsztyn as the responsible general contractor. We also successfully supplied grate and boiler technology for the WtE plant in Krakow about eight years ago, which has been reliably thermally treating the residual waste of more than 750,000 inhabitants of the region ever since.

Commenting on the project, Gerhard Lohe, Product Director Waste-to-Energy at Doosan Lentjes, says: "This project is the first waste to energy plant that DHIC and Doosan Lentjes are executing together. It proves that international EPC experience in large-scale plant construction projects as well as a rich heritage and competence in modern WtE technology is a strong combination of capabilities that meets the demands of the industry.

The new plant, scheduled to be completed in 2023, will be capable of processing up to 110,000 tonnes of refused derived fuel (RDF) produced by the citizens of the greater Olsztyn area.

Veolia

Non-recyclable non-hazardous waste is transported to incineration plants or landfills. The incineration process produces energy in the form of steam which can either supply district or industrial heating networks, or be converted into electricity using turbines.

The electricity generated is used to power the national distribution network. Veolia captures the gas generated by the fermentation of organic waste in its landfills. This biogas can be directly delivered to a distribution network, used to produce electricity through turbines or engines, or used as fuel for vehicles.

Veolia manages more than 90 Waste-to-Energy facilities in the world to treat municipal solid waste while creating renewable energy. Considering the low heat value of municipal solid waste, Veolia has the expertise to adapt all the existing technologies to the different types of waste for an optimal heat and electricity generation.

Waste volume reduction, preserving energy and limiting greenhouse gas emissions are the main benefits of Veolia's effective solutions: Incineration reduces waste to 10% of its original volume and provides an alternative to fossil fuels, creating renewable energy or heat for district heating.

We are supporting South Korea in its goal of becoming one of the world's top five 'green economies.' Since 2007, we have operated a plastic waste recycling facility in Yeoju, Gyeonggi Province. We collect, process and recycle the waste into solid recovered fuel (SRF). Today, we process nearly 70,000 metric tons of industrial waste, from which 60,000 metric tons of SRF is produced.

Mitsubishi Power Europe

Mitsubishi Power Europe has been developing thermal waste treatment technologies for more than 50 year and offers integrated solutions worldwide that are optimally machted and tailormade to meet our customers' individual requirements for solid waste materials up to 140 MWth and steam parameters up to 500°C - 100 bar.

The Waste-to-Energy solutions from Mitsubishi Power Europe help to replace fossil fuels and to reduce CO2-emissions while minimizing disposal limitations of organic residues.

Mitsubishi to build $251m waste-to-energy plant in Japan

Owarihokubu Waste Disposal Association provides waste treatment for four municipalities in the northern Aichi region, comprising Inuyama City, Konan City, Oguchi Town, and Fuso Town in Niwa County.

N+P Group and Mitsubishi Power Europe to collaborate on waste-derived alternative fuel use in existing coal-fired power stations.

The Mitsubishi Chemical Group (MCG Group) is promoting various kinds of chemical recycling methods as concrete solutions to the problem of plastic waste. We'll explain the chemical recycling method of plastic-to-oil conversion, jointly pursued by the MCG Group and ENEOS Corporation toward a circular economy, along with its advantages and challenges, and the potential for new resource recycling pathways.

Reusing waste plastics as chemical raw materials could lead to a significant reduction in fossil fuel consumption. While oil conversion helps prevent resource depletion, one challenge is that it requires a large amount of energy to induce the oil conversion reaction (via pyrolysis) even though it is energy efficient. However, comparing over the entire lifecycle, this process emits less GHG than incinerating waste plastics.*2 Plastic-to-oil conversion is a promising approach to recycling waste plastics, through further technological development is required to improve energy efficiency.

Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. (MHIEC) has received an order from Yokohama City, Japan, to rebuild the Hodogaya Plant waste-to-energy facility.