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Supplying a Logical (and Profitable) Solution to
a Complex Problem

What's the Problem?

It’s this: At the moment there’s no solution that will allow the further treatment and use of potentially valuable manure in a way that’s both economically and ecologically feasible. Conventional methods often suffer from disadvantages such as odour environmental pollution , high energy consumption and low efficiency of the process .

Until Now!

The newly developed agriKomp process is designed fundamentally different ; the main focus is on the following points:
aufzaehlung An increase in the dry matter content (TS) as a result of fermentation in the biogas plants
aufzaehlung Capture of the ammonia produced in the fermentation product by means of a membrane in the nanometer range to minimize emissions
The agriKomp process treats the digestates of a biogas plant to such a degree that a usable, highly concentrated fertiliser is produced. This is achieved by extracting the maximum water content possible from the digestate using waste heat from the CHPS. This waste heat is not completely utilised by many other biogas plants at present. The digestates produced by our process can be concentrated and hermetically sealed with no dust or smell able to escape.

 

The advantages of this procedure are

aufzaehlung The concentrated digestate has a considerably smaller volume, resulting in:

  • Lower investment in digestate storage
  • Fewer trips to spread digestive on your fields
  • Lower fuel consumption
  • Lower transport costs
  • Less traffic
  • Happier local residents now facing less traffic and no unwanted odour! This is an important argument in favour of Biogas technology

aufzaehlung By converting the volatile ammonia contained in the digestate into the stable ammonium sulphate, ammonia emission is almost entirely prevented.

  • Ability to fertilise using high-quality (depot) mineral fertiliser in the form of ammonium sulphate solution
  • No loss of nitrogen: volatile ammonia nitrogen is converted into stable ammonium sulphate
  • No odour nuisance for residents
  • No need to purchase additional nitrogen fertiliser
  • Increase efficiency using the CHPS waste heat

aufzaehlung Increased utilisation of the waste heat from co-generation.

agriselect

agriSelect

– 75 kWel from just 200 LU* and up!

For 100% slurry, or slurry/manure and solids: agriSelect is our basic model, offering a wide choice of additional packages to meet the requirements of your business – giving you a perfectly designed and executed system with the option of adding your own construction input.

An agriSelect plant can be installed in just a few weeks thanks to our pre-fabricated assemblies, turnkey technical container, our unique Octaform® vessel construction system and the deployment of an experienced on-site foreman working to guarantee the rapid construction of your plant.

 


icon pdf agriSelect Brochure - the systematic biogas plant solution from 75 kWel – 250 kWel


Fertigung

Complete Competence

From a single source

checkmark Up front

Research and development of our own systems, in-house manufacture of all essential components

Specifically designed for100% liquid manure (slurry), energy crops and agricultural residues 

Each plant individually designed


checkmark From the start... Planning to construction

From the start ...Planning to construction

Consultation

Calculation of profitability

Formulation of design and basics

Finance / Leasing Options

Technical Support for Planning Permission

Outline building applications

Construction

Commissioning 

 

checkmark To completion and beyond

Comprehensive service including:

Technical 

Plant 

CHP 

Electrical

Spare parts management

Service packages

Biological analysis

Laboratory service

Consultation

Laboratory products (additives)

Research laboratory

Use of Energy / Extensions

Heat utilisation concepts, district heating and microgas networks

Added-value Services

Sale of Electricity

Power2Heat

End to End Service... We're always at your side!

 

Guellewerk

Biogas technology: we know what we're talking about.

Specialists - from start to finish.

Innovation, Conviction... and Courage!

It’s thanks to the holistic and visionary thinking of agriKomp’s founders, Robert Bugar and Michael Engelhardt, that the company now stands out as an international leader in Biomass technology. Our love of innovation stretches back to the first mobile biogas plant, known as the Gullewerk, and includes examples of brilliant engineering such as the Paddelgigant agitator. We’re known for our ground-breaking systems, efficient technology and on-going levels of service.

Constant Continuity

All our essential components are designed and manufactured in-house, guaranteeing absolute reliability and consistent quality. Key components, such as the flexible gas store (Biolene®), the paddle agitator (Paddelgigant®) and the robust feeding technology (Vielfraß®) have set international standards with respect to stability, reliability and energy efficiency.

Reliability

It only takes a relatively short time to build a biogas plant but our relationship with you will last for decades. Great service is what you should expect from us, and that’s what we give, plus stable technology, reliability and the promise of continuous development, all aimed at ensuring your long-term profitability.

"If you wish to stay ahead you must be innovative, have reliable and efficient products in your portfolio and also provide a secure service. This requires dedicated people and solid engineering“, says Robert Bugar.

digestate processing

DÜNGERWERK

Separation and Concentration – a refinement in fertiliser production

agriKomp's new process works at two levels

1. Concentration

The digestate is first mechanically separated into liquid and solids. The solids are temporarily stored separately, while the liquid is filtered through a fine mesh sieve before being heated and subjected to negative pressure, at which stage some of the liquid is evaporated, concentrating the remaining digestate. This process is then repeated in a separate evaporator, where heat recovery allows energy efficient concentration. This completed, the now concentrated digestive is removed from the process. Meanwhile the energy contained in the water evaporated during the concentration process is recovered through heat exchangers and recycled into the drying process. This re-use of heat energy together with the hermetical sealing of the plant make the whole process an energy saving, low-emission success.

Evaporation Statistics
Maximum heat consumption: 400 kW.

Condensate generated per kWh (thermal): 2.5l
Condensate Recovery: Ca. 50 to 60% loss by evaporation in the wet cooling tower. The remainder can be recovered for further use depending on customer requirements.

A separate water supply is necessary. This is used for injecting additional water into the process (with an optional atomisation unit available), and for cleaning purposes.

2. Nitrogen separation

The Dungerwek process uses vapour scrubbers to remove ammonia from the gas phase. By adding H2SO4 this ammonia is converted into ammonium sulphate and then concentrated. The negative pressure required for energy-efficient evaporation is generated by a vacuum pump. This pump is connected to the pressure side of the gas compartment of the biogas plant ensuring that any residual gases emerging from the digestate are safely fed back into the biogas plant. There they are either metabolised microbiologically (e.g. H2S that could occur is converted into sulphur) or burnt in the CHPS (CH4).

This digestate is now highly concentrated and contains all the nutrients also contained in the untreated, not yet concentrated, digestate. The nitrogen contained in the digestate can be stored separately as liquid fertiliser or added directly to the digestate.

2 NH3 + H2SO4  [NH4]2SO4

Note that the information contained herein reflect the current state development of this product and may be subject to change. Parameters stated may vary in operation. This process is designed for use in agricultural biogas plants only.

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