04463 finrone slurry treat bro by asafwewe


More Info
									                          S L U R RY T R E AT M E N T

Membrane Bioreactor Slurry Treatment System
 Slurry Treatment
 Finrone’s Innovative Membrane Bioreactor Slurry Treatment System (patent pending)
 The most effective way to reduce nitrates and phosphorous from animal manure.

 “the most environmentally friendly, cost effective and
  efficient way to deal with animal slurry and manure.”

Liquid slurry before and after being   Resulting solid after being processed   Empty oxic tank showing membrane   Waste effluent undergoing treatment
processed through the Rotary Press     through the rotary press                and aeration pads                  in aerobic tank (membranes are

 Finrone has developed a revolutionary                Bioreactor Slurry Treatment System not            Whilst the entire system will be suitable
 farm treatment system to assist farmers              only provides a solution to these issues, it      for some farmers, there are parts of the
 to meet their obligations under the EU               also offers additional benefits to farmers.        system suitable for different applications.
 Nitrates Directive. This Directive places            Outputs of the simple but highly effective        Dairy farming for example where there
 limits on the amount of fertilisers and              and efficient process can include recycled         is sufficient spread land, the solid / liquid
 slurry farmers are permitted to spread on            water for on farm use and a solid manure          separation may meet requirements as this
 their land in an effort to tackle freshwater         which is very high in calorific value, similar     process in itself reduces nitrates by up
 pollution.                                           to that of brown coal or peat making it an        to 50% and phosphorous by up to 70%.
                                                      excellent renewable energy source for on          The resulting liquid is also an improved
 This is presenting financial, additional              farm combined heat and power (CHP).               fertilizer. For fish farming, the biological
 farm management and resource                                                                           treatment will meet requirements as this
 challenges to farmers. There is a need               The Membrane Bioreactor Treatment                 process will effectively clean the waste
 for further storage capacity and many                System is suitable for a wide range of            from the water and allow the water to be
 farmers see the Directive as limiting                farming applications including dairy, pig         recycled.
 the potential growth of their livestock              and fish farming. It is operationally very
 holdings and in some cases, farmers may              cost effective for the larger dairy farmer
 have to reduce stock numbers.                        or intensive pig production where slurry
 Finrone’s proprietary Membrane                       can be a particular issue with the lack of
                                                      spread land.
                                                                                                         S L U R RY T R E AT M E N T

Key Stages in the Treatment Process
There are a number of key stages in the Slurry      • separation of the solids from the raw            steps at this stage. In the first anoxic zone, the
Treatment process. The first stage is the              slurry removes any odour pollution that is       nitrates in the liquid are reduced by bacteria to
separation of the solid and liquid slurry into        associated with slurry spreading .               nitrogen which is a harmless gas that normally
approximately 85% liquid and 15% cake.                                                                 makes up around 78% of the air around us. The
The resulting cake can be up to 35% dry             • the solids can be used for the manufacture       second step is the oxic zone. Here ammonia
matter.                                               of compost or organic fertilizer.                is oxidized to nitrate and this is then recycled
                                                                                                       between the anoxic and oxic zones until all
The resulting outputs from this stage of the        • solids can also be used for energy production    the nitrates and ammonia are reduced to
process have a number of applications and             since they have a calorific value similar to      acceptable levels.
benefits:                                              that of brown coal or peat.
                                                                                                       The third stage in the process sees the liquid
• the liquid can be spread as a fertilizer and      • an optional part of the system is a CHP          passed through a 0.05µm membrane which
  since the nitrate to phosphorous ratio is           facility which would generate electricity and    further filters and purifies the liquid so it meets
  increased it makes a better fertilizer than the     hot water on farm hence saving substantial       current discharge requirements.
  raw slurry itself.                                  energy costs.
                                                                                                       Should a farmer choose to recycle the water for
• nutrients in the liquid are also soluble and      The second stage of the process sees the           on farm use, an additional simple process called
  therefore more bio available to the plant.        transfer of the liquid to a balance tank and       Reverse Osmosis can be added. This has the
                                                    then through a biological process. There are two   added benefit of reducing water costs on farm.
                                                                                                                                  design 04375 | www.creativemediani.com | t. 028 8225 5720
                                      Footprint and capacity                       Low maintenance
                                                                                   Once the system is set up, it requires
                                      The system is scaleable depending on         a low level of ongoing maintenance
                                      the volume of slurry to be processed.        – typically less than 30 minutes per day. It
                                      It is much smaller than other systems        is fully automated and there is an integral
                                      currently available on the market such as    monitoring system which will alert us and
                                      traditional digestion treatment processes.   you to any issues. The system should last
                                      The footprint of a typical system for an     for at least ten years without replacement
                                      800 sow unit would be 10 metres by 7         of any of the individual components.
                                      metres. This would be capable of dealing
                                      with a throughput of around 35 cubic
                                      meters per day.

                                      Operational costs                            System Location
                                      The system is cost effective to operate      The system will typically be located
                                      when compared to current costs for slurry    within pumping distance of the current
                                      spreading. Most importantly, if a CHP        slurry storage facilities and may be
                                      system is included, solids can be used as    located inside or outdoors.
                                      a renewable energy source to provide the
                                      energy required to run the system and        For an estimated price, an on-site visit
                                      meet other energy requirements on farm.      would be required. The price will depend
                                      Excess energy produced by the system         on potential throughput and the existing
                                      can be sold where appropriate to the         on farm infrastructure.
                                      national electricity supplier.


    52c Strabane Road : Castlederg : Co.Tyrone : N. Ireland : BT81 7HZ

    Tel: +44 (0) 28 8167 9918
    Fax: +44 (0) 28 8167 9399


To top