ReNOx technology: Digestates from Flue Gas Cleaning

ReNOx

ReNOx: Digestates from Flue Gas Cleaning

The ReNOx process is used to derive an industrial-grade denitrification agent from organic residues from biogas plants and purification plants. This new technique for digestates makes it possible to extract ammonium for further processing into ammonium sulphate, which can be used in industrial flue gas cleaning processes, in order to reduce the nitrogen oxide content in emissions. This represents a double win for the environment – fewer nitrates in the soil, and fewer toxic substances in industrial emissions.

Following successful laboratory tests, an implementation and upgrade phase, we are now in the process of up-scaling this technology to a full industrial plant. Christof Industries’ research and development teams are taking care of all engineering work for the whole facility.

ReNOx:

Relevant SDGs

Advantages:

Closure of the phosphor raw material cycle – ensuring availability of vital nutrient elements
Recovery of the non-re/generable raw material phosphorus
Marketable product using excess NH4+ from liquid digestate
Reduction of digestate storage costs and output costs on agricultural areas (seasonal N-limitations)
Reduction of ammonium levels in fermenter (increased substrate potential)
Better economics than conventional air-stripping

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ReNOx: Digestates from Flue Gas Cleaning

ReNOx:

Relevant SDGs

Advantages:

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