dairy farm manure Articles

  • Dairy farm Oklahoma, USA

    Type of Wastewater System: Facility to Sediment Basin for Solids collection, Sediment Basin to Lagoon for Water collection Expectations: This facility was in need of solid removal from sediment basin as it was to a point of water flow restriction and solid capacity in the sediment basin. The expectation was to liquefy the solids in the sediment basins using microbial ...


    By Roebic Laboratories, Inc.

  • Linking Wisconsin dairy and grain farms via manure transfer for corn production

    One relatively under-used manure management strategy employed by dairy farmers is to transport and apply manure onto the fields of nearby grain farmers. While this system offers advantages to both parties, little of the existing research on manure management has been conducted on grain farms. As part of an effort to link grain and livestock farms in southern Wisconsin, 20 on-farm trials were ...

  • Anaerobic Digestion at Dairy Farms

    The need to upgrade dairy waste management practices to overcome pollution problems is leading more farmers to seek solutions with anaerobic digestion technology. Two recent examples of this trend are underway at California sites. The Cal Poly Dairy is located adjacent to the California Polytechnic State University campus in San Luis Obispo. The dairy milks 180 cows with a total population of ...


    By BioCycle Magazine

  • Farm digesters for small dairies in Vermont

    THROUGH its award-winning Cow Power program, Central Vermont Public Service (CVPS), a Vermont utility headquartered in the city of Rutland, is helping dairy farmers diversify their incomes by turning manure into electricity. The farmers process manure in anaerobic digesters to generate power, which CVPS customers voluntarily pay a premium to purchase. In addition to income from electricity sales, ...


    By BioCycle Magazine

  • Himmerland dairy farm case study

    A. PRE-TREATMENT Barn Type: 60 tie stall dairy barn. Mats used in stalls. Manure Handling: Barn houses about 17 – 20 cows along each of two 120 foot parallel pits 2.5 feet wide and 5 to 9 feet deep (stepped). The pits gravity drain to the center of the pit and then flow out to an outside manure storage pit via 2.5 foot square pipe. Half of south gutter is used to handle parlour wash. ...


    By Nordevco Associates Ltd.

  • Dairy farm New Mexico, USA

    Type of Wastewater System: Facility to Lagoon For Solid and Wastewater Collection Problem: This facility has an expensive liner in its lagoon, and the use of equipment to remove the solids from the lagoon was not an option. It also dewaters the lagoon via irrigation onto row crops every 30 days. The buildup of solids in the lagoon had reached a point of capacity such that they ...


    By Roebic Laboratories, Inc.

  • Zoos, farms, companies converting manure to compost, biofuel

    Dan Corum calls himself “the doctor of doo,” the “minister of muck” and the “number one of number two.” Even though he enjoys making fun of his role as compost/recycling coordinator at the Woodland Park Zoo in Seattle, he — and others involved in using manure for compost or biofuel — are deadly serious about their efforts. Composting of manure from ...

  • New manure digester generates heat at World Dairy Expo

    For anyone visiting the World Dairy Expo, there can be a lot to digest. The world's largest dairy trade show begins Tuesday at Alliant Energy Center. Around 65,000 people are expected to attend. There are 752 companies and organizations exhibiting and there will be approximately 3,000 cows on the grounds. There will be 14 cattle shows, eight virtual farm tours and the Badger Dairy Club ...


    By Himark bioGas Inc

  • Dairy Digester Opens Doors On Maryland Farm

    Kilby Inc., a 600-cow dairy operation located in Colora, Maryland, has the only operational commercial anaerobic digestion (AD) system in the state. In 2009, Kilby Inc. (the dairy farm and milk production business) began construction of a covered lagoon digester, which started operating in March 2011. The digester input consists of flushed cow manure (98% by volume) and food waste (2%), including ...


    By BioCycle Magazine

  • Effect of coagulant and flocculant addition scheme on the treatment of dairy farm wastewater

    Our group was approached by a manufacturer of treatment trains to recycle wastewater from dairy farm manure. Company X treatment trains consist of microscreening, sedimentation and filtration units attached to a reverse osmosis (RO) membrane. To enhance screening, a coagulant and a flocculant are added to the stream feeding the microscreen. However, their customers experience foaming on the ...


    By IWA Publishing

  • Manure Compost A New Cash Crop

    A growing number of livestock producers are discovering manure compost as a new cash crop. When Mark Meyer refers to the “magic” at New Day Farms, he isn’t referring  to  the  liquid  egg  products  generated  by more than 2.5 million laying hens. Rather, Meyer, the environmental manager  at the Ohio facility, is talking about the ...

  • Florida Dairy Succeeds With AD System

    North Florida dairy with 6,100 mature cows and 5,500 replacements installed anaerobic digestion system that is yielding multiple benefits. Dairy farming in Florida has financial and logistical challenges, including hot, humid summers; high electrical costs; access to fresh water; odor; greenhouse emissions and sandy soil issues. Alliance Dairies in Trenton, Florida has found sustainable ...


    By BioCycle Magazine

  • Crisafulli vertical and trailer pump testimonial Gregerson`s Colorado dairy farm-case study

    Four Crisafulli Pumps. Gregerson's Colorado Dairy Farm, running 1,500 head, moves liquid manures, fluids and sludges with four Crisafulli pumps: two electric vertical pumps, a six inch PTO trailer mounted pump and a 7.5 horsepower electric lift pump. "We have not experienced trouble with any of these pumps, not even over the summer months when we use both the trailer mounted pump and the lift ...


    By SRS Crisafulli, Inc.

  • Crisafulli vertical and trailer pump testimonial Gregerson`s Colorado dairy farm-case study

    Four Crisafulli Pumps. Gregerson's Colorado Dairy Farm, running 1,500 head, moves liquid manures, fluids and sludges with four Crisafulli pumps: two electric vertical pumps, a six inch PTO trailer mounted pump and a 7.5 horsepower electric lift pump. "We have not experienced trouble with any of these pumps, not even over the summer months when we use both the trailer mounted pump and ...


    By SRS Crisafulli, Inc.

  • CAFO Manure Treatment-Struvite Removal and Struvite Prevention

    CAFOs (Confined Animal Feeding Operations) face struvite in their manure holding ponds and manure lagoons, as well as their recirculation systems. On a dairy farm in Neb. that operated with 15,000 milking cows, they were generating 500,000 gal per day of wastewater laden with manure.  Over the summer, they noticed a reduction in their pumping capacity because the first lagoon was ...


    By Struvite Removal

  • Adding Value To On-Farm Digesters

    ANAEROBIC digestion of dairy manure and food processing residuals in Michigan is not a new undertaking. Over the years, 11 farm digesters were constructed in the state, of which four are still operational, reports Michelle Crook of the Michigan Department of Agriculture in a presentation in the spring of 2007. “Three of the operating digesters are for livestock manure and one is for food ...


    By BioCycle Magazine

  • Farm digester progress in Pennsylvania

    The Commonwealth of Pennsylvania is home to about 7,000 dairy farms with an average herd size of less than 100 cows. While nutrient and odor management are of great importance to these farms, their overall economic viability appears to be the primary factor driving installation of anaerobic digesters over the past few years. “Pennsylvania has 30 dairy digesters and about 5 swine digesters ...


    By BioCycle Magazine

  • Closed loop system takes manure and methane

    A CONVERSION plant in Mead, Nebraska is processing manure and methane to create ethanol and compost. According to Nebraska Governor Dave Heineman: “This plant sets a new standard for ethanol production in this state and our nation, and is an example of the innovation needed to take this industry to the next level. It lets America get its automotive fuel from the croplands of the Midwest instead ...


    By BioCycle Magazine

  • Farm digester evolution in Vermont

    In the fall of 2012, Brian Jones of Joneslan Farm in Hyde Park, Vermont spread the first load of manure that had gone through the farm’s new anaerobic digester. “It didn’t smell at all,” recalls Jones. “And we’ve been told that the nitrogen in the digested manure is more available to the plants we grow.” When the Joneslan Farm digester went on line in ...


    By BioCycle Magazine

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