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Waste Water Re-use

Waste incineration generates a high humidity flue gas that alsocontains contaminants due to fuel. Flue gas condensing is a cost-efective and ecological way to increase the boiler's district heat production. The condensate formed in flue gas condensation is with proper treatment usable to replace potable water as raw water. Due to the specific challenges of waste incineration, the Sofi process delivered does not discharge any water into the sewer.

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With the Sofi process (MF and RO) approximately 75% of the condensate is gained as makeup water for district heating. Treated condensate is solids free low conductivity (< 150 µS/cm) water. Reverse osmosis uses high temperature membranes with a maximum operating temperature of 85 ° C. This, in addition to water recovery, allows for heat recovery without extra investment in heat exchangers.


District Heating Network

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In CHP plant, even a small amount of very fine particle contamination, e.g. magnetite below 1 µm, lowers the efciency of the heat distribution system and may result to uncertainty in measurement equipment. The solids are removed from side stream by automatic Sofi Filter unit.


 
 
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”Sofi Filter is cost-effective and well-functioning complete system.”

Aleksi Kraft, Vapo Oy

Fortum Oyj. Largest energy company in Finland. Sofi Filter SF1000P @0,5 um for filtering district heating water. Delivery Q3/2015. 

Vapo Oy. Finnish bio-energy company. Sofi Filter SF1000P with 0,5 um for filtering district heating water. Delivery Q3/2016

Oulun Energia Oy. Energy company of City of Oulu. Sofi Filter SF1000P with 0,5 um for filtering district heating water. Delivery Q3/2016. 

Porvoon Energia Oy. Energy company of city of Porvoo. Sofi Filter SF200P with 0,5 um for filtering district heating water. Delivery Q3/2016.

Vapo Oy. mobile unit Sofi Filter SF200 with 6 μm for district heating water. Delivery Q4/2017. 

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”Sofi Filter is cost-effective and well-functioning complete system.”

Aleksi Kraft, Vapo Oy

Fortum Oyj. Largest energy company in Finland. Sofi Filter SF1000P @0,5 um for filtering district heating water. Delivery Q3/2015. 

Vapo Oy. Finnish bio-energy company. Sofi Filter SF1000P with 0,5 um for filtering district heating water. Delivery Q3/2016

Oulun Energia Oy. Energy company of City of Oulu. Sofi Filter SF1000P with 0,5 um for filtering district heating water. Delivery Q3/2016. 

Porvoon Energia Oy. Energy company of city of Porvoo. Sofi Filter SF200P with 0,5 um for filtering district heating water. Delivery Q3/2016.

Vapo Oy. mobile unit Sofi Filter SF200 with 6 μm for district heating water. Delivery Q4/2017. 

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The outlook for US crude oil is expected to grow through 2022 from 10 MMbpd in 2018 to 11-12 MMbpd. Similarly, Natural gas production is expected to grow at 5% per year from 29 to 34 Tcf. Thegrowth of this industry is often in regions of water shortages. The large amount of Produced and Flowback water can be reused or disposed of in salt water disposal wells. In either case, filtration is a required operation, in particular, at levels less than 20 and often less than 5 microns. Salt water disposal wells need to maintain permeability to keep operating and to minimize seismic disruptions. Similarly water reuse requires filtration solutions to protect downstream membranes and equipment. Theseoperations need robust filtration solutions to handle flows of 2000 to 30,000 bpd or more.

power industry: District heating water treatment

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”Sofi Filter is cost-effective and well-functioning complete system.”

Aleksi Kraft, Vapo Oy

Fortum Oyj. Largest energy company in Finland. Sofi Filter SF1000P @0,5 um for filtering district heating water. Delivery Q3/2015. 

Vapo Oy. Finnish bio-energy company. Sofi Filter SF1000P with 0,5 um for filtering district heating water. Delivery Q3/2016

Oulun Energia Oy. Energy company of City of Oulu. Sofi Filter SF1000P with 0,5 um for filtering district heating water. Delivery Q3/2016. 

Porvoon Energia Oy. Energy company of city of Porvoo. Sofi Filter SF200P with 0,5 um for filtering district heating water. Delivery Q3/2016.

Vapo Oy. mobile unit Sofi Filter SF200 with 6 μm for district heating water. Delivery Q4/2017.