Gasifier QM12 for gasification of biomass and waste
This is an innovative combustion technology as gasification and gas combustion is divided into two separate processes. This allows much better control over the processes, minimises creation of oxides and reduces migration of heavy metals to flue gas.
Gasifier QM12 constitutes the latest version of gasifiers for biomass and waste gasification that are available on the Polish market. It uses high temperature to convert solid and liquid fuels into gas. The process is based on a chain of reactions between the carbon in the fuel and supplied oxygen (from air), steam, hydrogen or carbon dioxide. Various solid or liquid fuels can be gasified, e.g.: hard coal, lignite, peat, wood, any type of biomass, industrial waste, municipal waste in various forms, heavy products from crude oil distillation. The gasification process takes place in the temperature between 400 and 850°C. The main product is gas that contains methane, hydrogen and carbon monoxide. After cleaning, the gas is processed into a substitute of natural gas, fuel gas of medium or low calorific value or syngas. One of the main advantages of this technology is the possibility to utilise biomass or waste on site and to produce renewable heat and electric energy. Waste gasification installations have to fulfil the most stringent EU requirements for waste incinerators.
Barriers and drivers
Identification of a market niche in utilisation of eco waste from the timber industry (e.g. sawdust) and the argi-food industry (e.g. feathers) constituted a starting point in designing the gasifier. The company financed design and implementation work from its own funds, bearing the risk associated with the investment.
Designing an efficient and reliable gasifier proved to be the main difficulty. Design and preparatory work lasted a year. Launching this new prototype solution on the market constituted the second significant difficulty. This was a psychological barrier associated with the novel character of the product.
All the installations are tailor-made and adjusted to the expectations and needs of a particular customer, which also brings economic benefits.
The installation has provided good solution in waste management decline the risk for human health.
The benefits of this technology are particularly visible in utilisation of waste as a fuel. One tonne of waste generates from 1,000 m3 of gas (oxygen gasification) to 2,000 m3 of gas (in the air and steam method). The amount of flue gas is at least five times lower than in traditional combustion. Boilers for traditional natural gas can be replaced with such gasification systems, which will enable waste disposal and energy generation. Gasification allows more efficient utilisation of a wider range of waste streams than in traditional incineration. The waste volume can be reduced by around 80% (some ash remains). This process can be effectively controlled in line with all environmental norms.
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