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Plant and method for melting and cleaning of snow and ice

a technology for cleaning and snow, applied in water/sludge/sewage treatment, solid sorbent liquid separation, water contaminants, etc., to achieve the effect of easy sorting of large objects

Inactive Publication Date: 2017-06-29
NCC CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The solution significantly reduces pollution by eliminating the need for fuel-based heating, minimizing emissions, and effectively cleaning the melted snow and ice, resulting in substantial reductions in air and water pollution, with estimated savings in emissions and energy consumption compared to traditional methods.

Problems solved by technology

It is previously known that warm water from the underground can be used to melt snow and ice, but not combined with cleaning of the resulting water phase, and not in the scale required for cleaning polluted snow from a large city, and not without expensive wells or lots of natural geothermal heat for producing said warm water.

Method used

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  • Plant and method for melting and cleaning of snow and ice
  • Plant and method for melting and cleaning of snow and ice
  • Plant and method for melting and cleaning of snow and ice

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Embodiment Construction

[0017]We assume that the figures in general are self-explanatory for persons skilled in the art. Calculations have been made for a centrally located plant for the city of Oslo. The reduction as a result of reduced traffic alone, ie without the effect of the treatment plant included, is estimated to be 2.6-2.9 tons of NOx, 1.5 tons of CO, 0.3 tons of VOC, 0.1 tons of particulates and 340-450 tons of CO2. If the plant is implemented on an existing barge or placed on land, the savings in emissions of SO2 from the transport 0.15 tonnes.

[0018]The reduction in emissions when taking into account that no fuel must be burned or no electric power used in order to melt the snow and ice, and adding the emissions cleaned out from the melted snow and is, is many times larger than the figures mentioned above. The only essential feature requiring power is a pump or flow device used to pump for example seawater at 4° C. into a plant of the invention, taking out for example 3.5° C. of heat energy, di...

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Abstract

Plant for melting and cleaning of snow and ice, distinguished in that the plant comprises a means for melting using enthalpy of a water source in order to melt snow and ice, and a means for cleaning for cleaning out the pollution from the water phase that contains the melted snow and ice. Method for melting and cleaning of snow and ice, using the plant according to the invention.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This patent application is a continuation application of U.S. patent application No. 13 / 144,399, which is a national-stage filing of International patent application No. PCT / EP2010 / 050817, which was filed on Jan. 26, 2010. U.S. patent application No. 13 / 144,399 and International patent application No. PCT / EP2010 / 050817 are incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention concerns the contaminated snow and ice, such as along roads in rural areas, and how the contaminated snow and ice can be handled in a better way with regard to the environment. Specifically, the invention concerns a plant for melting and purification of snow and ice, as well as a procedure whereby the plant is used.BACKGROUND OF THE INVENTION AND PRIOR ART[0003]Many places will be snow that falls down after a while become heavily polluted, especially in snowy densely populated areas, such as major cities in climate zones with significant ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E01H5/10C02F1/28B01D15/00C02F1/02
CPCE01H5/102C02F1/02C02F1/28C02F2001/007C02F2103/001C02F2101/20C02F2101/32B01D15/00E01H5/10
Inventor MYRHAUG, TERJE
Owner NCC CONSTR