Featured Research

from universities, journals, and other organizations

New Technology Treats Dairy Wastes, Odors

Date:
August 30, 2001
Source:
Pacific Northwest National Laboratory
Summary:
A Battelle technology is transforming a waste lagoon into a waste treatment facility at a Washington state dairy.

A Battelle technology brought to the Northwest by researchers at the Department of Energy’s Pacific Northwest National Laboratory is transforming a waste lagoon into a waste treatment facility at a Washington state dairy.

The George DeRuyter Dairy in Outlook, Wash., has been outfitted since January with InStreem™, a technology that enhances naturally occurring biological activity to clean waste lagoons. Henry Pate of Battelle’s Florida Marine Research Laboratory developed InStreem™. Battelle also operates PNNL for DOE.

Lagoons traditionally have been used to store manure and liquid effluents from dairy herds. Wastes stored over the winter months are pumped onto fields in the spring where crops utilize the manure’s nutrients. However, more nutrients, such as nitrogen and phosphorus, may be applied to crops than can be used effectively.

“InStreem™ is designed to use a dairy’s existing infrastructure to convert lagoons from waste storage facilities to facilities that solve waste problems,” said John Jaksch, PNNL program manager for the project in the Pacific Northwest. “In doing so, this technology addresses one of the dairy industry’s most pressing issues.”

Unlike conventional treatment methods, InStreem™ converts existing lagoons into extended aeration systems, establishing conditions favorable for both aerobic and anaerobic degradation of wastes.

The aerobic process is designed to remove excess nitrogen and the anaerobic process is designed to remove other nutrient constituents, such as phosphorus. InStreem™ maintains an oxygen deficit condition in the lagoon and does not over aerate, while still allowing nutrient reduction to take place and bacteria to work on reducing the manure sediments. One InStreem™ unit treats a lagoon 1 to 1 1-2 acres in size.

To date, the demonstration is exceeding Jaksch’s expectations. “In three months, the depth of solids dropped from six feet to six inches, and that was during the coldest part of the year,” Jaksch said. “And since InStreem™ uses a small, five horsepower engine to circulate the entire lagoon, it’s energy efficient.”

In addition, InStreem™ has been successful tackling a problem common to all dairies - odor. “Within two weeks of operation we noticed a huge reduction in odor,” said George DeRuyter, owner of the dairy. “Odors on the lagoon banks now are barely detectable.”

Equipped with 10, 48-inch aeration discs powered by the five horsepower motor, the floating InStreem™ unit displaces water in adjustable horizontal and vertical planes around a barrier dividing the lagoon. "In dairy applications, the technology replicates fixed site municipal wastewater biological treatment technologies, used at more than 400 community waste treatment plants across the United States and Canada,” said Jaksch.

The DeRuyter dairy, located on the dry, eastern side of Washington, is a large operation with about 2,600 head of cattle. DeRuyter utilizes a flush system in which the feed/loafing areas are flushed hourly with water. Manure is carried by water through a solids separator. The solids are turned into compost and the wastewater, laden with suspended manure solids, is returned to the lagoon where it is recycled back into the flush system after processing.

The DeRuyter demonstration, which is on a lagoon approximately 1 1-3 acre in size, will run for one year. Soil Search of Finley, Wash., is assessing the demonstration by monitoring the site for nitrate, nitrite, ammonia, total phosphates, sulfates, chloride, biological oxygen demand, chemical oxygen demand, total and dissolved solids and fecal coliform bacteria. Soil Search provides nutrient management and precision farming services for the dairy industry in the Pacific Northwest.

“We chose DeRuyter’s because it enabled us to demonstrate the technology under difficult conditions,” said Jaksch. “Also, through an existing relationship with DeRuyter, Soil Search has more than four years of sampling data on the lagoon, providing invaluable background data for measuring InStreem’s™ performance.”

Soil Search has obtained the rights to sell InStreem™ in Washington, Oregon, California, Idaho and in North and South Carolina, and is planning to begin selling the units in Eastern Washington by late summer.

“Based on results to date - reduction in odors and bottom sediments - I didn’t see any reason to hold back,” said Larry Dickinson, chief executive officer and founder of Soil Search. “The industry is under tremendous pressure to control odors and InStreem™ repeatedly has demonstrated its effectiveness in doing so.”

Jaksch echoed Dickinson’s optimistic assessment based on early results, but cautions that this is a one-year scientific experiment.

“We want to gather data for the entire seasonal life-cycle, benchmark it against existing waste lagoon management practices and other alternative approaches and technologies, then nail down the technical and economic story for the dairy industry,” he said.

The Choctaw Manufacturing and Development Corp. in Hugo, Okla., manufactures the units, while Tierra Environmental Services, a New Mexico firm, is the national distributor. InStreem™ originally was tested at a hog farm and a polluted bay in North Carolina. Business inquiries on this or other PNNL technologies should be directed to 1-888-375-PNNL or e-mail: http://www.inquiry@pnl.gov

Pacific Northwest National Laboratory is one of the Department of Energy’s nine multiprogram national laboratories and conducts research in the fields of environment, energy, health sciences and national security. Battelle, based in Columbus, Ohio, has operated PNNL for DOE since 1965.


Story Source:

The above story is based on materials provided by Pacific Northwest National Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

Pacific Northwest National Laboratory. "New Technology Treats Dairy Wastes, Odors." ScienceDaily. ScienceDaily, 30 August 2001. <www.sciencedaily.com/releases/2001/08/010830081026.htm>.
Pacific Northwest National Laboratory. (2001, August 30). New Technology Treats Dairy Wastes, Odors. ScienceDaily. Retrieved July 31, 2014 from www.sciencedaily.com/releases/2001/08/010830081026.htm
Pacific Northwest National Laboratory. "New Technology Treats Dairy Wastes, Odors." ScienceDaily. www.sciencedaily.com/releases/2001/08/010830081026.htm (accessed July 31, 2014).

Share This




More Plants & Animals News

Thursday, July 31, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Raw: Thousands Flocking to German Crop Circle

Raw: Thousands Flocking to German Crop Circle

AP (July 30, 2014) Thousands of people are trekking to a Bavarian farmer's field to check out a mysterious set of crop circles. (July 30) Video provided by AP
Powered by NewsLook.com
Concern Grows Over Worsening Ebola Crisis

Concern Grows Over Worsening Ebola Crisis

AFP (July 30, 2014) Pan-African airline ASKY has suspended all flights to and from the capitals of Liberia and Sierra Leone amid the worsening Ebola health crisis, which has so far caused 672 deaths in Guinea, Liberia and Sierra Leone. Duration: 00:43 Video provided by AFP
Powered by NewsLook.com
At Least 20 Chikungunya Cases in New Jersey

At Least 20 Chikungunya Cases in New Jersey

AP (July 30, 2014) At least 20 New Jersey residents have tested positive for chikungunya, a mosquito-borne virus that has spread through the Caribbean. (July 30) Video provided by AP
Powered by NewsLook.com
Xtreme Eating: Your Daily Caloric Intake All On One Plate

Xtreme Eating: Your Daily Caloric Intake All On One Plate

Newsy (July 30, 2014) The Center for Science in the Public Interest released its 2014 list of single meals with whopping calorie counts. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

    Environment News

    Technology News



      Save/Print:
      Share:

      Free Subscriptions


      Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

      Get Social & Mobile


      Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

      Have Feedback?


      Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
      Mobile: iPhone Android Web
      Follow: Facebook Twitter Google+
      Subscribe: RSS Feeds Email Newsletters
      Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins