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Perpetual Next
Kraanspoor 36 ,
Amsterdam ,
1033
Netherlands
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Model Perpetual C-Vertr - Carbonisation Technology

Model Perpetual C-Vertr - Carbonisation Technology

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Perpetual Next firmly believes in carbonisation: a process to produce renewable carbon from bio-residues such as forestry residues, scrap wood, etc. Carbonisation is a process to produce renewable carbon from bio-residues such as forestry residues, scrap wood, etc. A technology that we have perfected in our unique carbon converter: C-Vertr. In our C-Vertr we use a process of thermochemical conversion of organic waste in an oxygen-deficient environment. Our carbonisation technology helps industries become fossil free and improve their carbon footprint of industrial processes. Without time-consuming, high captital investments in infrastructure. And carbonisation is scalable carbon removal solution.

Perpetual C-Vertr

Our Perpetual C-Vertr reactor is a Perpetual Carbon converter. It heats the feedstock with the syngas it generates in the process in a closed cycle. The material is conveyed through the length of the reactor and is progressively dried and then carbonised in an anaerobic atmosphere. Our C-Vertr reactor separates the combustion process from the carbonisation process. This separation has a positive effect on the mass yield (mass flow out/mass flow in), and thus on the financial performance of the process. Keeping these flows separate results in a controllable and homogeneous carbonisation process. This process is stable to run continuously and is inherently safe by design. 

Our C-Vertr reactor can be integrated in different kind of industries and plant layouts. With different footprints. We offer a smaller C-Vertr V4 installation of 12 x 8 x 5 meters (LxWxH) and a larger C-Vertr R2 installation of 35 x 15 x 12 meters (LxWxH). Additional space for control panels, MCC and construction access are also required and are site- and building-dependent. 

The design capacity is either 5.000-15.000 ton, or 20.000-30.000 ton in a range depending on feedstock and product grade. 

Many companies have experimented with heating organic residues in a low-oxygen environment, but only few have mastered carbonisation in such a way that it is consistent, efficient, of high quality and safe. 

Carbon Conversion Proces

A C-Vertr carbonisation line is part of three process steps of a plant solution:

1. Feedstock pre-processing

An organic residual stream: such as woodchips from branches or demolition wood, which are dried in an industrial dryer, most common are a drum dryer or a moving-belt dryer.

2. Primary C-Vertr carbonisation

Under a low-oxygen environment, the dried organic residues are heated. Volatile components from the organic residues are released, and progressively the material turns black and becomes biochar. Depending on the process time, the material is more or less carbonised, and contains a higher or lower percentage of carbon. The Perpetual Carbon then is cooled and fed to the next step.

3. Perpetual Carbon post processing

The Perpetual Carbon is ground, densified and can be pelletised to 6 mm cylindrical pellets or alternative densification form that can be easily transported and stored.

From Feedstock To Biocarbon

Feedstock is indirectly heated in the reactor with the flue gas coming from the combustion of the syngas. The syngas is self generated during the process in a closed cycle. The feedstock is conveyed along the length of the reactor and is progressively dried, then carbonised (a thermochemical treatment process) that is carried out under atmospheric pressure and in the absence of oxygen. Carbonisation upgrades a wide variety of raw organic residual streams into a homogeneous source of biocarbon. This final product is the remaining solid, dry, blackened material that is referred to as biocoal or biochar.

Graph: energy and carbon content as function of carbonisation temperatures. The measurements visible in the graph were taken in the range of 265 to 450 degrees. 

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