Publication: 

DANTES LCC-LCA Wet fermentation

The aim of this report is to describe the inputs and output of an Excel tool for simplified Eco-efficiency calculations. The purpose of this excel tool is to allow designers to evaluate the cost and environmental impact of potential biogas plant designs and do parameter studies. The biogas plant is used for biological purification of wastewater by anaerobic digestion, which encourages the natural breakdown of organic matter by bacteria in the absence of air and at the same time produce methane rich biogas.

The scope of the tool is to calculate the cash flow of the plant and evaluate the environmental impact of: different materials in the plant, emitted CO2, saving of resources (natural gas, replacement of fertilizer) and use of electricity.

The evaluation results can be used for design optimization, in market communication and sales support, showing the advantages of wet fermentation over "standard" waste water treatment.

This Dantes report is one in a series of five describing the LCC tools developed by ABB. The others Dantes reports are: 

A summary of the experience of developing these tools is presented in the Dantes report