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Feasibility Study of Organic Waste Value Adding and Cost Reduction

Project start date: 15 June 2015
Project end date: 17 January 2016
Publication date: 01 December 2015
Project status: Completed
Livestock species: Sheep, Goat, Lamb, Grassfed cattle, Grainfed cattle
Relevant regions: National
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Red meat processing results in the production of a range of solid wastes. Disposal of solid waste is often related with high costs, which gives abattoirs an incentive to reduce solid waste production. Some of the solid waste, such as manure and paunch contents, are an unavoidable result of the red meat processing, but the impact of others like disposable packaging and equipment can be minimised by judicious purchasing and recycling. Solid wastes currently being recycled include: Non-organic Organic boiler ash cardboard and paper fluorescent tubes paunch solids waste oil   batteries   plastic   The majority of waste solids,- 85%-,  generated are organic in nature and are gainfully recycled by: rendering - meat scraps and bones ,composting - paunch solids, mine site rehabilitation and sludge.
In the light of rising energy prices it is becoming increasingly feasible to use solid waste to produce bioenergy. Energy can be produced from solid waste, for example through pyrolysis or by combustion in boilers. The primary environmental concern with waste solids from meat processing plants regards the miscellaneous solids that must be send to landfill. Possible environmental impacts are soil or water contamination, atmospheric pollution and greenhouse gas emissions.
In order to reduce the environmental impact of solid waste MLA and AMPC are supporting the meat processing industry to:reduce production of solid wastemonitoring of waste producedimprovement of processing and packaging proceduresconsideration of lifecycle of new purchaseimprovement of cleaning methodsproduct recoveryenergy recovery from wasteco-combustion of waste products, such as paunch waste and sludge, in boilerspyrolysis of sludge or paunch wastedewatering of waste streamsrecycling of waste into a new product, for example compostDeveloping new value added products - fertiliser, compost, pet food
Project A.ENV.0106 involved a full-scale technical, commercial and environmental assessment of paunch waste and DAF sludge co-combusted in existing boilers. The project covered the following contracts: A.ENV.0124, A.ENV.0125, A.ENV.0126 and A.ENV.0127.
Project A.ENV.0110 involved a similar trial, co-combusting paunch waste in existing boilers. This project covered the following contracts: A.ENV.0120, A.ENV.0121, A.ENV.0122, A.ENV.0123.
Since 2003, there has been a 57% reduction in waste solids sent to landfill. Red meat processing results in the production of a range of solid wastes.

More information

Project manager: Rajesh Margapuram
Primary researcher: All Energy Pty. Ltd.