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A2A AMBIENTE: A Waste-to-Energy plant in Italy

Implementation Date

January 1, 2008

By

A2A AMBIENTE

City

Milan

story image

Description

The A2A waste-to-energy plant is located in the north-western area of Milan and is a precious source of energy (electricity and heating) for the city. Fume treatment was originally based on the dry injection of hydrated lime. In 2007 lime injection was replaced by dry reagent injection SOLVAir® S300. The conversion was motivated by the need to fall within the more restrictive limits imposed for acid pollutants, especially SOx, HCl e NOx. A2A Company’s needs - Effective SOx, HCl and NOx mitigation. - DeNOx Selective Catalyst Reduction (SCR) Installation. SOLVAir® answer: - Flue gas treatment lay-out: Electrostatic Precipitator (ESP) + SOLVAir® S300 + Bag Filter + SCR. - Strong efficiency energy production.

Impact & Result

Benefits: - High pollutants removal rates: above 99,5% of HCl and above 97% of SOx. - A flexible solution according to changing regulations and capacity - Residues recycling in SOLVAL®. - High efficiency in energy production: The electricity produced by the plant in 2023 covers the annual energy consumption of approximately 150.000 families.

Due to its corporate culture, A2A has always aimed to be at the forefront of technologies: from the beginning our relationship stimulated us and increased our motivation to provide better solutions to meet their needs.

Simone Malvezzi, Head of waste to energy plants at A2A AMBIENTE

Solution Spotlight

SOLVAir(r) is a highly efficient flue gas cleaning solution using safe sodium based sorbent contributing to overcome health and environment related challenges. The solution is 100% dry so it doesn’t need water and doesn’t produce effluent. Thanks to the high reactivity of the sorbent, minimum CAPEX is required to meet the most stringent regulatory requirements. Compared to competing technologies, it allows a higher energy efficiency. Solvay offers solutions for the recycling of the by products generated by the flue gas treatment process

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