Polyacrylamide (P.A.M.) Blends For Erosion, Dust, & Turbidity Control.

Post on 02-Jan-2016

228 views 2 download

Tags:

transcript

Polyacrylamide (P.A.M.) Blends Polyacrylamide (P.A.M.) Blends ForFor

Erosion, Dust, & Turbidity Control Erosion, Dust, & Turbidity Control

POLYACRYLAMIDE (P.A.M.)

•Natural Gas Derivative 1940’s & 1950’s

•Several Thousand “Kinds” Of PAM

•Only Use Anionic PAMS (No Toxic Effects)

•Super Long Chain Molecule Composed Of Acrylamide Subunits

•Must Match PAM To Soil Type

•PAM Enhances BMPs Not Replaces Them

USDA Has Used PAM To:•Reduce Agricultural Erosion

•Increase Soil Infiltration

•Improve Crop Yield

PAM Used To Reduce Erosion From Rainfall And Irrigation

Similar Soil Erosion Problems

Polyacrylamide Types

1. Emulsion

2. Granular

3. Gel Block

Site Specific Soil/Water Test Needed To Ensure Performance

Must Have Documentation Of Toxicity Testing

Reedy Creek Improvement District (RCID)

Field Test Of Polyacrylamide

Test Site: I 4 & Osceola Parkway Interchange Project

Summer 1999

PAM Test Applications:

•Raw Slope Stabilization

•Turbidity Control Of Stormwater Discharge

•Turbidity Control Of Dewatering Discharge

•Dust Suppression On Dirt Road

Raw Slope Stabilization Test

Insert pic of water wagon applying PAM

PAM Flocculation: Good Settling

& No pH Change

Dust Suppression Using PAM

Insert pic of fertilizer spreader applying PAM & water wagon

pics

PAM For Demucking

PAM For Demucking

Insert PAM/muck grassing test on I-4 pics

Insert PAM/muck grassing test on I-4 pics

Turbidity Control Of Dewatering Discharge

FLOC LOG Used For Turbidity Control

During Rain Events

TEST RESULTS:

•Significantly Improved Soil Retention On All Sites

•Good Flocculation Results For Turbidity Control

•No Apparent Toxic Results From PAM To Ecosystem

•Easy Application Using Existing Equipment

•Cost Effective

•Easy To Keep On Site

•Contractors Liked Floc Logs

PAM Blends Assist BMPs

Must Match PAM To Soil Type

With Testing

Toxicity Test Documentation

PAM treatment system pics

Baffle Grid System

PAM treatment system pics

Baffle Grid System

Bonita Springs Canal Project

200 Feet Downstream From Work Area, Turbidity Controlled

Clear water & turbidity readings

RESOURCE INFORMATION

USDA: Kimberly Idaho Agricultural Research

www.nwisrl.ars.usda.gov

Vendor: APPLIED POLYMER SYSTEMS, INC.

www.siltstop.com

Steve Iwinski (678)494-5998

Support: Reedy Creek Improvement District

Eddie Snell (407)824-7301

esnell@rcid.dst.fl.us

Distributor: Contact APS For Local Dealer