Simpler digester systems for smaller dairies

Article Abstract:

The benefits of simpler digester system to create a healthier environment for farm and neighbors are reported. Some of the system described are Upright digester treating only liquids and solids separation, Upright mixed digester treating all manure from herd, and low cost plug flow digester utilizing a plastic liner inside a large street culvert.

Biological Product (except Diagnostic) Manufacturing, Drugs, Minnesota, Turbines and turbine generator sets, Turbines, Turbine and Turbine Generator Set Units Manufacturing, Biological Processors, Bioreactors, Usage, Design and construction

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Trading carbon credits from methane digester

Article Abstract:

The Dennis Haubenschild dairy farm trades carbon credits from methane captured by their anaerobic digester. The credits are certified and sold on the Chicago Climate Exchange--the first and only established market for greenhouse gas pollution credits in the United States.

Dairy Farms, Dairy Cattle and Milk Production, Carbon, Dairy farming

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Calculating carbon offsets: toward a sustainable solid waste management system

Article Abstract:

Greenhouse gas emissions from the current methods of recycling, composting and disposal of solid waste are calculated by a San Francisco Bay Area company and the carbon offsets determined are presented.

Refuse systems, Capital funds & cash flow, Solid Waste Collection, Municipal Solid Waste, Methods, Accounting and auditing, Emissions credit trading, Emissions trading, Environmental auditing, San Francisco Bay Area, Municipal solid wastes

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