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An industrial greenhouse being enriched with CO2.

 

We supply catalysts designed to match your
CHP plant precisely and which offer extreme
cleaning of exhaust gases.

H+H SCR Technology for lower NOx emissions
H+H SCR Technology for lower NOx emissions
SCR technology - clean exhaust gas for CO2 - fertilization

How to maximize plant growth and crop?

With CO2 and Know-how!

Many greenhouses already have a CHP unit installed for heat and power generation. It covers the own needs as well as feeding the
excess into public grids. The resulting exhaust gases are rich in CO2, but they also contain many plant pollutants, such as nitrogen
oxide (NOx), hydrocarbons (HCs – especially ethene – C2H4) and carbon monoxide (CO).

Increase plant growth and crop by up to 40%!

The exhaust gas, cleaned by a H+H CO2 unit, can be used to
enhance the CO2 level in the greenhouse.

This effect will increase the plant growth by up to 40 %. The
ambient air has only a CO2 content of 320 to 360 vpm
which is not optimal for a lot of plants. Today’s experience
says that the optimum CO2 level for most efficient plant growth
is between 600 to 1600 vpm of CO2. Vegetables or crops
normally need higher values than ornamental plants.

A graphic representation can be seen on which a clear increase in plant growth can be seen after the introduction of a higher CO2 content in the greenhouse.

  • Conforming to the guidelines of major insurance companies

    Maximum safety for your crop!

    » Learn more
  • Increase the effectiveness

    Using the CO2 from the exhaust

    » Learn more
  • Long-lasting, reliable system components

    System overview

    » Learn more
  • Reliable CO2 systems

    fertico2 » Learn more

01

Conforming to the guidelines of major insurance companies

Maximum safety for your crop

Exhaust gas treatment plants from H+H enable you to reduce the harmful ingredients to a
minimum. Our plants employ the SCR principle for NOx reduction. This means that limit values
of  <10 ppm NO2 can be realised (hourly average values). A so-called oxidation catalyst is
located downstream of the SCR catalyst. This reduces levels of the herbicide ethylene
to a limit value of <300ppb C2H4 and oxidises the carbon monoxide and oxygen present in the
exhaust gas to produce carbon dioxide. Our plants meet the required safety standards 
of the major insurance companies.

02

Increase the effectiveness of your cogeneration unit

Using the CO2 from the exhaust

Maximum availability and reliability – with H+H support and service! Service is not only a
part of our company name – it is our philosophy. We accompany you, from the planning, through
the realisation and the following support of your H+H fertico2 system. Valuable know-how and years
of practical experience in the field of greenhouse catalysts mean that we are a qualified and
authoritative partner when it comes to service. Spare parts and catalyst on stock, online
monitoring, 24/7 hotline are day to day basics for us. We take care of your auxiliaries, so you
can focus on your core business!

03

 

Long-lasting, reliable system components

System overview

04

Growing, producing and selling is your job – fertico2 takes care of CO2 fertilisation!
You manage a modern, large-scale greenhouse and quality is your top priority. To obtain the
best possible yield, the help of the latest technological equipment is required. With fertico2 
you are receiving a state-of-the-art exhaust gas cleaning plant.

» Learn more

 

Global references speak for themselves

Our References

  • CO2 fertilization

    Vegetable cultivation


    A larger system and a hose system from the engine manufacturer Jenbacher can be seen.

       

    Engine Producer:

    Jenbacher
    Type: J612 / J620/J624
    Power: 2000 kW / 3352 kW / 4400 kW
    Fuel: Natural gas

  • CO2 fertilization

    Flower cultivation


    You can see a pipe system for CO2 fertilization in cooperation with a NOx reduction solution

    in cooperation with ReduNOx  

    Engine Producer:

    MWM (Deutz)
    Type: TCG 2020V12
    Power: 1200 kW
    Fuel: Natural gas

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