1 / 35

Influence of Algae Treatment on Lagoon Odors

Influence of Algae Treatment on Lagoon Odors. Personnel. Principal Investigator Stephen J. Reynolds, Ph.D., CIH Co-Investigators Tim Stanton, Ph.D. Brad Lester, M.S. Marc Cusanelli John Mehaffy, M.S. Regional Community Partners. Agsmart Inc. La Luna Dairy, Wellington, Colorado

morse
Download Presentation

Influence of Algae Treatment on Lagoon Odors

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Influence of Algae Treatment on Lagoon Odors

  2. Personnel • Principal Investigator • Stephen J. Reynolds, Ph.D., CIH • Co-Investigators • Tim Stanton, Ph.D. • Brad Lester, M.S. • Marc Cusanelli • John Mehaffy, M.S.

  3. Regional Community Partners • Agsmart Inc. • La Luna Dairy, Wellington, Colorado • Morwai Dairy, Hudson, Colorado • Weld County Commissioners • Cooperative Extension • CSU Center for Animal Agriculture and Community Enhancement

  4. Specific Aims and Objectives • Work with community-based partners to conduct project and disseminate findings • Implement and evaluate the effectiveness of lagoon algae treatment on reduction of emissions and occupational exposures • Measure and quantify occupational exposures • Differences in dairy and feedlot size and manure handling practices • Evaluate the utility of the Cyranose 320 electronic nose for detection, identification, and quantification

  5. Methods • Algae System – grown on-site in a greenhouse, added to manure by pump, raise dissolved oxygen to above 1.0 mg/ml • Total Particulate– 37-mm closed-faced cassette • Inhalable Particulate– IOM sampler with 25-mm filter and SKC Button sampler with 25-mm filter • Gas/Vapor – Sorbent tubes (charcoal and XAD-7) following NIOSH Analytical Methods

  6. Methods • Hydrogen Sulfide– Jerome 631-X Hydrogen Sulfide Analyzer (Arizona Instruments) real-time measurement ranging from 3ppb to 50ppm • Ammonia– Dräger Pac III real-time measurement range from 0 to 300ppm • Bioaerosols– SKC Biosampler and Anderson Two-Stage Jet-to Agar Impactor (mesophilic and gram-negative bacteria, and fungi) • Odor and Constituent Gases– Scentometer and Cyranose 320 electronic nose

  7. Methods • Endotoxin – Recombinant Factor C Endotoxin Assay (Biowhittaker) • Carbon Dioxide and Carbon Monoxide– Q-Trak (TSI Inc.) direct reading with datalogging • DataRam– particulate sampling in range from 0.01 to 100 mg/m3 • Grimm– real-time size selective evaluation of aerosol counts and mass, size range 0.35 to 20 µm, mass range 0 to 100 µg/L

  8. Methods • Area Samples by Lagoons – Total and Inhalable Particulate and Endotoxin, Gases, Vapors, Bioaerosols, and Meterological data • Personal Samples – Total and Inhalable Particulate and Endotoxin for Milkers, Pushers, Feeder, Calf Feeders, Vet Techs, and General Maintenance Personnel

  9. Algae System at a Colorado Dairy • 1500 cows • 60 acre site • flushes 250,000-400,000 gpd • recycles wastewater with fresh • odor issues with town residents • 8 acre lagoon • no land application

  10. Colorado Dairy

  11. Colorado Dairy Set up system June 1, 2003 • GOALS: • REDUCE ODOR • GAIN COMMUNITY ACCEPTANCE

  12. Colorado Dairy DISSOLVED OXYGEN (MG/L) MEASURED AT A DEPTH OF 6 FEET • DATA COLLECTED BY COLORADO STATE UNIVERSITY RESEARCH TEAM • CITY MAYOR & COUNCIL MEMBERS SUPPORTIVE OF AGSMART PROCESS • DAIRY ODOR COMPLAINTS DRASTICALLY REDUCED

  13. Wastewater Analysis BOD5

  14. Wastewater Analysis BOD5 10/01/04 04/28/05 09/06/05 Influent to Pond 12,640 mg/L 8,688 mg/L 3,924 mg/L Effluent to Barns 12,720 mg/L N/A 3,504 mg/L Pond Sample 12,580 mg/L 8,556 mg/L N/A Colorado Analytical Lab #04100111 #05042818 #05090637

  15. Wastewater Analysis PO4 Wastewater Analysis—PO4 in mg/L 09/17/2003 1598 03/11/2004 1402 10/01/2004 648

  16. Colorado Dairy H2S LEVELS MEASURED AROUND PERIMETER OF LAGOON DATE MEASURED READING 03/18/04 23 PPB 04/05/04 1-10 PPB

  17. Traditional Mechanical Aeration System A Direct Comparison Of Aerobic Systems* 6-Tank System 139 hp 4-hp VS 556 Micro Diffusers 8-Acre Single Cell Lagoon With 28 Micro Diffusers 8-Acre Single Cell Lagoon With 556 Micro Diffusers Data Compiled By Colorado State University Installation Cost: Less Than $100,000.00 Installation Cost: Greater Than $140,000.00 Yearly Operation Cost: Less Than $36,000.00 Yearly Operation Cost: Greater Than $100,000.00 @ $.08 / KWH * TO OVERCOME13,000-16,000 MG/L BOD LOADING

  18. Personal Sample Setup SKC Button Sampler

  19. Feeder Sample Setup

  20. Lagoon Sample Setup

  21. Particulate, Gases, and Vapors

  22. Bioaersols

  23. Results

  24. Scentometer Winter 05 Spring Summer Fall Winter 06

  25. Hydrogen Sulfide Winter 05 Spring Summer Fall Winter 06

  26. Ammonia Winter 05 Spring Summer Fall Winter 06

  27. Total Particulate Lagoon Maint. Milkers

  28. Total Endotoxin Lagoon Maint. Milkers

  29. Inhalable Particulate Lagoon Calves Sick Cows Maint. Feeder Loader

  30. Inhalable Endotoxin Lagoon Calves Sick Cows Maint. Feeder Loader

  31. Questions? Nope, we have algae! Do you smell that?

More Related