Delivery of polymeric flocculants (pFM) to the sewage treatment plant in Werdhölzli as well as advice on usage and consumption optimization for the dewatering of around 11,000 tons of dry residue "digested sludge" annually and for the thickening of around 20,000 tons of dry residue "fresh sludge" annually in the period from 1. January 2021 to December 31, 2025.

Not only are products of high, consistent quality to be delivered, but also application technology advice in consultation with the operating staff of the Werdhölzli sewage treatment plant as a service for the entire term of the contract. The aim is to evaluate the award criteria. entrusting the provider with the task of providing deliveries and services from a single source. The main criterion is the economy in terms of consumption for optimal drainage or thickening.

Delivery of polymeric flocculants (pFM) to the sewage treatment plant in Werdhölzli as well as advice on usage and consumption optimization for the dewatering of around 11,000 tons of dry residue "digested sludge" annually and for the thickening of around 20,000 tons of dry residue "fresh sludge" annually in the period from 1. January 2021 to December 31, 2025.

Not only are products of high, consistent quality to be delivered, but also application technology advice in consultation with the operating staff of the Werdhölzli sewage treatment plant as a service for the entire term of the contract. The aim is to evaluate the award criteria. entrusting the provider with the task of providing deliveries and services from a single source. The main criterion is the economy in terms of consumption for optimal drainage or thickening.