scholarly journals Phosphorus Retention by Fly Ash Amended Filter Media in Aged Bioretention Cells

Water ◽  
2017 ◽  
Vol 9 (10) ◽  
pp. 746 ◽  
Author(s):  
Saroj Kandel ◽  
Jason Vogel ◽  
Chad Penn ◽  
Glenn Brown
Keyword(s):  
Fly Ash ◽  
Phosphorus Retention ◽  
Filter Media

Fly-Ash-Amended Sand as Filter Media in Bioretention Cells to Improve Phosphorus Removal

2008 ◽  
Vol 80 (6) ◽  
pp. 507-516 ◽  
Author(s):  
Wei Zhang ◽  
Glenn O. Brown ◽  
Daniel E. Storm ◽  
Hailin Zhang
Keyword(s):  
Fly Ash ◽  
Phosphorus Removal ◽  
Filter Media

The characteristics and application of sludge-fly ash ceramic particles (SFCP) as novel filter media

2009 ◽  
Vol 171 (1-3) ◽  
pp. 809-814 ◽  
Author(s):  
Shuxin Han ◽  
Qinyan Yue ◽  
Min Yue ◽  
Baoyu Gao ◽  
Qian Li ◽  
...  
Keyword(s):  
Fly Ash ◽  
Filter Media ◽  
Ceramic Particles

Phosphorus retention capacity of filter media for estimating the longevity of constructed wetland

2005 ◽  
Vol 39 (11) ◽  
pp. 2445-2457 ◽  
Author(s):  
Dong Cheol Seo ◽  
Ju Sik Cho ◽  
Hong Jae Lee ◽  
Jong Soo Heo
Keyword(s):  
Constructed Wetland ◽  
Phosphorus Retention ◽  
Filter Media ◽  
Retention Capacity

scholarly journals Field Scale Demonstration of Fly Ash Amended Bioretention Cells for Stormwater Phosphorus Removal: A Review of 12 Years of Work

Water ◽  
2021 ◽  
Vol 13 (12) ◽  
pp. 1632
Author(s):  
Jason R. Vogel ◽  
Rebecca A. Chavez ◽  
Saroj Kandel ◽  
Glenn O. Brown
Keyword(s):  
Heavy Metal ◽  
Fly Ash ◽  
Computer Modeling ◽  
Total Phosphorus ◽  
Phosphorus Removal ◽  
Phosphorus Retention ◽  
Metal Retention ◽  
Phosphorus Accumulation ◽  
Effective Option ◽  
Phosphorus Reduction

In 2007, ten bioretention cells were constructed in Oklahoma as part of a full-scale technology project to demonstrate stormwater phosphorus reduction. The filter media used was amended with 5%, Class C fly ash by weight to increase phosphorus and heavy metal retention. In 2014, core samples were collected from four of the cells, and three were instrumented for continuous water monitoring for the following year. This paper will review the design, construction, computer modeling of phosphorus retention, and measured phosphorus removal after seven years of operation. Total phosphorus retained in the sampled cells showed reductions in effluent water concentrations of 68 to 75%, while total effluent mass reductions of 51 to 93% were achieved. Total phosphorus accumulation in the cells measured in cores ranged from 0.33 to 0.60 kg/year, which was somewhat greater than the annual calculated effluent reduction of 0.27 to 0.41 kg/year. While good, phosphorus retention was not as high as computer modeling predicted. Other research on the cells, including hydraulics, heavy metal adsorption, and microbial transport, is summarized. Experimental challenges with phosphorus extraction from samples are also discussed. All experience and results suggest that fly ash amendments are an effective option for phosphorus removal in bioretention cells.

Characterization of lead-bearing phases in municipal waste combustor fly ash

1996 ◽  
Vol 54 ◽  
pp. 516-517
Author(s):  
L. L. Sutter ◽  
G. R. Dewey ◽  
J. F. Sandell
Keyword(s):  
Fly Ash ◽  
Bottom Ash ◽  
Municipal Waste ◽  
Primary Concern ◽  
Leaching Behavior ◽  
Waste Combustion ◽  
Lead And Cadmium ◽  
Lead Speciation ◽  
Accepted Practice

Municipal waste combustion typically involves both energy recovery as well as volume reduction of municipal solid waste prior to landfilling. However, due to environmental concerns, municipal waste combustion (MWC) has not been a widely accepted practice. A primary concern is the leaching behavior of MWC ash when it is stored in a landfill. The ash consists of a finely divided fly ash fraction (10% by volume) and a coarser bottom ash (90% by volume). Typically, MWC fly ash fails tests used to evaluate leaching behavior due to high amounts of soluble lead and cadmium species. The focus of this study was to identify specific lead bearing phases in MWC fly ash. Detailed information regarding lead speciation is necessary to completely understand the leaching behavior of MWC ash.

Chinese Nonwovens Filter Media Market

2000 ◽  
Vol 37 (10) ◽  
pp. 24-25 ◽  
Author(s):  
W Yanxi
Keyword(s):  
Filter Media ◽  
Media Market

INFLAMMATION, CHEMOKINE EXPRESSION, AND DEATH IN MONOCROTALINE-TREATED RATS FOLLOWING FUEL OIL FLY ASH INHALATION

1997 ◽  
Vol 9 (6) ◽  
pp. 541-565 ◽  
Author(s):  
Cheryl R. Killingsworth ◽  
Francesca Alessandrini ◽  
G. G. Krishna Murthy ◽  
Paul J. Catalano ◽  
Joseph D. Paulauskis ◽  
...  
Keyword(s):  
Fly Ash ◽  
Fuel Oil ◽  
Chemokine Expression ◽  
Oil Fly Ash
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