Jia Ma
Engineering at 175 Ave, Vancouver, WA
License number
Louisiana EI.0027886
Issued Date
Feb 2, 2006
Expiration Date
Sep 30, 2008
Category
Civil Engineer
Address
Address
3529 SE 175Th Ave, Vancouver, WA 98683
Professional information
Phosphorous Mitigation For Green Filter Beds
US Patent:
2013017, Jul 11, 2013
Filed:
Jan 6, 2012
Appl. No.:
13/344997
Inventors:
Jia Ma - Vancouver WA, US
Assignee:
CONTECH STORMWATER SOLUTIONS INC. - West Chester OH
International Classification:
C02F 3/32, C02F 1/00
US Classification:
210602, 21017003
Abstract:
A stormwater filtration system suitable for treatment of stormwater runoff in a developed environment uses a treatment bay that includes a filtration bed with live plant matter and a plurality of functional layers. The filtration bed may include an adsorption layer or area that contains a phosphorus adsorptive granular media. In accordance with another aspect, the filtration system includes a layer of permeable pavers.
Thermally Treated Expanded Perlite
US Patent:
2010003, Feb 18, 2010
Filed:
Aug 13, 2009
Appl. No.:
12/540408
Inventors:
Jia Ma - Vancouver WA, US
Assignee:
Contech Stormwater Solutions Inc. - West Chester OH
International Classification:
C02F 1/00
US Classification:
210767, 210287
Abstract:
A thermally treated expanded perlite that can be coated or impregnated with at least one active material and the use of the thermally treated expanded perlite as a light-weight filtration media. Methods for forming thermally treated expanded perlite as well as methods for forming thermally treated perlite coated or impregnated with an active material are also disclosed.