Conversion of sewage gas into electricity at wastewater treatment plants with KTS Engineering solutions
Municipal waste, including sewage sludge (SSW) in large cities and towns, poses a lot of problems in relation to its disposal. Waste treatment processes involve energy-intensive processes such as aeration and pumping. The installation of a wastewater treatment plant results in considerable energy consumption. With rising energy prices, the operation of a wastewater treatment plant faces ever-increasing operating costs. Special bacteria, through anaerobic digestion, process sewage sludge and thus produce biological gas. This gas can be incinerated in a Jenbacher generator and generates electricity and heat at the wastewater treatment plant site, resulting in significant savings in operating costs and energy.
Conversion steps from sewage sludge to renewable energy.
The process of biogas generation is divided into steps:
Wastewater is collected in municipal sewage systems and sent to a wastewater treatment plant. It is then prepared and sent to a wastewater treatment plant. Digesters use a number of biological processes to digest and produce biogas. Hydrolysis is a process in which organic material is dissolved in digestate. It then undergoes intermediate steps of acidogenesis and acetogenesis, which create precursor molecules for methanogenesis. Methanogens produce methane as a product. The biogas containing this biologically produced methane is contained in a gas storage tank, the gas storage facility. The gas storage tank compensates for variations in biogas production as well as in its composition and pressure.
Efficiency. The high electrical efficiency allows an increase in the amount of electricity generated per unit of wastewater biogas used. Electrical efficiency is up to 43% and thermal efficiency is up to 45%.
Technology and innovation. The LEANOX gas mixture control unit with a turbocharger bypass ensures an optimal gas-air mixture ratio under operating conditions, thereby stabilizing the engine on a lean mixture and reducing the level of harmful exhaust gas emissions into the atmosphere.
Reliable and easy to operate. On-site unit repairs, low operating costs. A long maintenance schedule keeps maintenance costs to a minimum, with an operating interval of 60,000 hours before a major overhaul.
KTS Engineering will prepare technically competent solutions for your sewage gas project and professionally install and service INNIO Jenbacher gas generators. Gas engines INNIO Jenbacher is known on the market for having the highest level of electrical efficiency, and in combination with professional service KTS Engineering guarantees its customers a stable return on their biogas plant.
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