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HZI to supply three additional Kompogas digesters to Chongqing

Switzerland-headed energy from waste technology provider Hitachi Zosen Inova AG (HZI) has announced that it has been awarded the contract to supply Chongqing with three Kompogas digesters. This is the company’s second project for the Chinese megacity. The plant will process up to 110 000 tonnes of organic waste per annum to produce biogas, making a major contribution to the achievement of China’s ambitious recycling targets.

HZI’s Kompogas steel digesters are available in various sizes. Standard net storage capacities
are 1 200 m3, 1 500 m3, 1 800 m3, and 2 100 m3 (image courtesy HZI).

On  March 27, 2020, Hitachi Zosen Inova (HZI) and Beijing based German BioEnergy Technology (GBE) signed a contract for the delivery of three Kompogas PF 2100 digesters for the construction of an additional biogas plant in the Chinese city of Chongqing.

The order marks the continuation of a prestigious project that began with an order for two Kompogas PF 1800 digesters in 2017. The new installation, part of a major recycling park, will be built on the same site as its predecessor.

The third joint project in China

This is already the third joint project for HZI and GBE after Chongqing 1 and Nanjing.

The flexible design and robust construction of the Kompogas digesters proved their outstanding worth in our first projects, and are a guarantee of reliable biogas production. We’re happy to be able to count on HZI’s expertise and Kompogas technology in this project as well, said Markus Dicke, CEO of GBE.

The new installation in Chongqing will be the first Chinese facility to feature the large version of the Kompogas core module, the PF 2100 digester. This new plant will start a new era of joint processing of source-separated organic waste and food waste using dry anaerobic technology in China.

The biogas plant will process up to 110 000 tonnes a year of source-separated organic waste from households and restaurants to generate around 12.5 million Nm3 per annum of biogas, corresponding to an energy content of approximately 72.6 GWh.

Partnership to meet ambitious recycling goals

For HZI the project is an important step in its efforts to become further established in the Chinese market. It also marks the implementation of an additional sub-goal of the Memorandum of Understanding (MoU) signed in August 2019 where the City of Chongqing and HZI agreed to work closely together to implement China’s ambitious recycling targets.

COP21 member state China has embarked on major projects and investments in sustainable environmental and waste management. Fabio Dinale, Vice President of Business Development at HZI, emphasises the relevance of this project for both HZI and China’s sustainability strategy.

We’re proud that through our technology we’re able to contribute to China’s sustainable waste management system and recover energy from this megacity’s organic waste, said Fabio Dinale.

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