Animal Waste Articles

  • Classification of Compost Turners

    Compost turner can be divided into 3 kinds. I would like to introduce them to you one by one. 1. Self-propelled Compost Turner Our self-propelled organic fertilizer turner is with 4 wheels. The whole body of the compost ...


    By Allance Fertilizer Machinery

  • Pork Slaughterhouse - Case Study

    Introduction Prior to the installation of two 1,200 gpm GEM (Gas Energy Mixing) Systems, CWT’s Client discharged approximately 1.9 million gallons per day (mgd) to their onsite pretreatment plant consisting of an Infilco Dissolved Air Flotation (DAF) unit service with a Nikuni pump, and a Maxair Clarifier (DAF) for further removal of contaminants. Float from both units was heated and ...


    By Clean Water Technology, Inc.

  • Biobased Economy opportunities for North-Netherlands

    The three Northern provinces of the Netherlands could join forces to become a major producer and supplier of renewable resources for the regional production of ‘green’ chemicals, plastics and animal feed. This is one of the conclusions from research carried out by Wageningen University & Research, Greenlincs and the University of Groningen. Close collaboration with the German ...

  • Performance of airlift MBR for on-site treatment of slaughterhouse wastewater in urban areas of Vietnam

    In many cities in Vietnam, wastewater generated in slaughterhouses is normally discharged directly into surface waters without treatment. Management of slaughterhouse wastewater (SHWW) is difficult due to the lack of infrastructure for conveyance to centralized facilities. On-site treatment presents one cost-effective way of managing SHWW compared to mass improvement of infrastructure. This ...


    By IWA Publishing

  • Chicken Manure Management, Recycling, and Composting

    Chicken Manure Fertilizer Manufacturing Process If you have chickens, you will have manure. Fortunately, chicken manure is among the most prized of manures. Fresh chicken manure is considered a “hot” manure, which is unsuitable for immediate use. Chicken manure needs to be composted and aged at least two to three months before you add it to your garden. If you don’t wait ...

  • Can mountains of animal bones boost food security in Ethiopia?

    By turning a wasted resource into fertilizer, researchers aim to help a hungry nation replenish depleted soils As unemployed young men pick through trash heaps near Jimma University in southwestern Ethiopia to find treasures to sell, they search for one of the hottest resources in demand at the moment: discarded animal bones. ...


    By Ensia

  • Maternally transferred dioxin‐like compounds can affect the reproductive success of European eel

    Reported concentrations of dioxin‐like compounds accumulated in the European eel (Anguilla anguilla) were used to perform a risk assessment for eel larval survival, taking into account a modelled amplification of tissue concentrations with a factor of 1.33 during spawning migration. The calculated concentrations of dioxin‐like compounds finally deposited in the eggs were compared to the ...


    By John Wiley & Sons, Ltd.

  • The potential of ultrasonic membrane anaerobic systems in treating slaughterhouse wastewater

    Direct discharge of slaughterhouse wastewater causes serious environmental pollution due to its high chemical oxygen demand (COD), total suspended solids (TSS) and biochemical oxygen demand. In this study, an ultrasonic-assisted membrane anaerobic system was used as a novel method for treating slaughterhouse wastewater. Six steady states were achieved, using concentrations of 7,800–13,620 mg/l ...


    By IWA Publishing

  • Maryland’s New Composting Regulations

    After a year of comments and revisions, the Maryland Department of Environment (MDE) is scheduled to publish its new rules for permitting composting facilities this month (December) in the Maryland Register for a final 30-day comment period. Initially proposed last January, the slightly revised composting regulations are expected to take effect in early 2015, unless further changes are required. ...


    By BioCycle Magazine

  • Removal of 2-methylisoborneol from aqueous solution by cattle manure compost (CMC) derived activated carbons

    The objective of this study is the synthesis of activated carbon derived from cattle manure compost (CMC) causing environmental problems using zinc chloride (ZnCl2) activation and to examine the suitability and performance of the prepared activated carbon (PAC) in removing 2-methylisoborneol (2-MIB) from aqueous solution. The influence of ZnCl2/CMC ratios and outgassing from the PACs on ...


    By IWA Publishing

  • Beef Slaughterhouse

    Problem: A beef slaughterhouse in Idaho wanted to compare performance and efficiency between their existing DAF unit and the HydroCal CAF flotation unit. Solution The Hydrocal CAF ran continuously for 8-10 hours per day. Test runs were made with and without polymer and samples were collected over a wide range of feed conditions. ...


    By HydroCal Inc.

  • Application of rural slaughterhouse waste as an organic fertilizer for pot cultivation of solanaceous vegetables in India

    Background:The lack of electricity and water supply in rural abattoirs in developing nations prevents the adoption of waste-processing technologies practiced in economically advanced countries. This research attempts to recycle waste blood and rumen digesta generated in rural slaughterhouses as organic fertilizer, thus promoting sustainable agriculture. Results:The values of 5-day biochemical ...

  • Dead pigs harmless treatment methods in China

    Dead pigs harmless treatment methods in China Any pig farm will encounter dead pigs, dead pigs are often important sources of infection of diseases to spread and spread, causing major economic losses not only on pig-raising industry, also will be a serious threat to human or animal health, so the dead pigs should be a safe and effective treatment. in the course of our work, are often ...


    By Harden Industries Ltd.

  • Chicken slaughterhouse

    Country: U.S. Problem: Poor final effluent quality Product: BFL 5100HP Background A chicken slaughterhouse was killing 10,000 chickens per day. Final effluent was discharged to a stream. The final effluent COD was exceeding the discharge limit of 100mg/L and as a result it had to be tankered off site and spread on ...


    By Biofuture Ltd

  • Laguna de Bay Institutional Strengthening and Community Participation Project DEWATS of the Slaughterhouses of Sta. Cruz and Nagcarlan, Laguna

    In December of 2003 a US $ 5 Million grant was provided by the Royal Government of the Netherlands through the International Bank for Reconstruction and Development (IBRD) for the Philippine government, as it embarked on the Laguna de Bay Institutional Strengthening and Community Participation (LISCOP) Project, which was overseen by the Department of ...


    By IWA Publishing

  • Compliance to environmental standards to abate further violation: DEWATS of Selected Slaughterhouses and Public Markets; and a University

    In this aggregate case study is the implementation of 6 project initiatives that made use of the Decentralized Wastewater Treatment System that is being promoted by the Basic Needs Philippines, Inc. (BNS). Most owners of the wastewater treatment plant (WWTP) facilities decided to engage in putting such infrastructure to improve its performance, insofar as its ...


    By IWA Publishing

  • Electrochemical oxidation of tetracycline antibiotics using a Ti/IrO2 anode for wastewater treatment of animal husbandry

    In animal husbandry, antibiotics are widely used to treat and prevent diseases or to promote growth. The use of antibiotics for domestic animals enables to promote safety of livestock products and enhance productivity. Tetracycline antibiotics (TCs) are one of the primarily used groups of antibiotics for cattle and swine. However, the unintentional spreading of antibiotics from animal waste to ...


    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 ...

  • Agrior Project, Chaudière-Appalaches, Quebec, Canada

    Compost Drying Application Agrior makes high value organic fertilizers by composting a mixture of animal manure and organic municipal and industrial wastewater treatment sludge. A DRY-REX low-temperature drying system was designed and installed at Agrior’s facility to dry the mixture into high-quality compost. The low-temperature process results in the drying of the manure with minimal ...

  • Matrix-based fertilizers reduce nutrient and bacterial leaching after manure application in a greenhouse column study

    Received for publication November 7, 2008. We tested the efficacy of matrix-based fertilizers (MBFs) to reduce Escherichia coli and Enterococcus spp., NH4, NO3, dissolved reactive phosphorus (DRP), and total phosphorus (TP) in leachate and soil after dairy manure application in greenhouse column studies. The MBFs are composed of inorganic N and P in compounds that are relatively loosely bound ...

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