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Nature’s way to recycling for the environment

Composting with Doppstadt: Perfect results at every step of the process.

Composting

Composting biogenic waste products like green waste or bio-waste leads to high-quality soil conditioners and homogeneous fuels that can be utilized to produce to heat. New statutory requirements for safeguarding the quality of the products produced here are resulting in more and more new challenges.

The customized solutions from Doppstadt overcome these challenges while offering at the same time maximum flexibility for the changing tasks of tomorrow.

Composting distinguishes two different cycles: composting of green waste and bio-waste. When composting green waste, the material is initially shredded before the shredded material is placed in windrows in order to be screened in the end. Screening does not only serve the purpose of controlling grain size classification but also the important objective of removing any non-biological contaminants. Plastics and synthetics are as effectively removed as ferrous parts and rocks with the aid of various separation stages. At the end of the process, you have high-quality and natural humus fertilizer.

The advantages of Doppstadt machines for composting:

  • Customized and flexible package solutions
  • Maximum material preparation
  • Optimum control of the decomposition process
  • Perfect end product without any impurities

Our comprehensive consulting services with regard to composting are based on many years of experience, thus guaranteeing the perfect solution for every process, including of course the reliable Doppstadt service.

Contact us for your optimum recycling solution now!

Process description of green waste composting

The aim of composting is to turn biogenic waste such as green or organic household waste into a high-quality soil conditioner for agricultural, horticultural and soil generation purposes. A homogeneous fuel which can be burned for energy is produced as a by-product. Today, new legal requirements on the quality of the products produced are placing an increasing demand on composting technology. Doppstadt offers you customised solutions to meet this demand without taking away the flexibility you need to deal with whatever jobs the future brings. The materials used for composting vary widely. Here we distinguish between two streams: green waste composting and organic household waste composting. Green waste composting makes use of all waste generated by landscape conservation, horticulture and agriculture. This is shredded.

This first step already has a massive influence on the rest of the composting process in terms of the degree of fraying, the percentage of air voids, the structural material and therefore of the processing time needed to achieve the necessary degree of decomposition. After shredding the raw material, the shredded fraction is placed in windrows which are turned several times. The aim of turning the windrows is to control the water content, the air circulation and thereby the rotting process. After the source material has been aerobically converted to a homogenised compost, it can be screened. This screening process is not just for separating the material according to particle size, it also has the important task of eliminating non-biological contaminants. Various separation processes eliminate plastics and synthetic materials just as effectively as iron parts and stones. The aim is to produce a high-quality and natural humic fertiliser.

0-25 MM

Compost for agriculture

40mm

Pre-compost

The process at a glance

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