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US 9,540,776 B2Granted
Pollutant sequestering paving system
AssigneeF. von Langsdorff Licensing Limited
InventorHarald von Langsdorff
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Abstract
In one aspect, a paving system for sequestering pollutants comprises one or more layers, at least one of said layers comprising a sequestering agent, and a fluid flow restrictor. In another aspect, a method of applying a sequestering agent to a paving system comprises obtaining a sequestering agent medium; and applying the sequestering agent medium to a paving system. In another aspect, the paving system comprises a piping layer for draining fluid from the paving system.
Claims14
A paving system for sequestering pollutants, the paving system comprising:
- a pavement layer,
- two or more underlying layers provided beneath the pavement layer, at least one of said underlying layers comprising at least one sequestering agent for treating or removing one or more contaminants in a fluid flowing through the paving system;
- and
- a piping layer provided beneath the pavement layer;
- wherein at least one of the underlying layers comprises a fluid flow restrictor adapted to restrict the flow of the fluid there-through and to increase the residence time of the fluid with the at least one sequestering agent;
- and wherein the piping layer is adapted to increase or decrease the flowrate of the fluid flowing through the paving system.
3 more elements
Dependencies are inferred from the claim text.