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Stories category: Case study

City landscape and the sea view from Miami.

Stepping on the (bio)gas in Miami-Dade

The Miami-Dade South and Central District Wastewater Treatment Plants in Florida had been struggling with the twin challenges of suboptimal concentrator settling and poor-quality biogas from their anaerobic digesters. Using application expertise and experience from other Floridian customers, Kemira experts knew exactly the right way to tackle both problems at once.
Keeper of the Plains -statue.

Saving time and money – and helping crops grow – in Wichita, Kansas

Wichita’s Lower Arkansas Water Reclamation Facility (LAWRF) is the largest wastewater plant in the state of Kansas, treating the wastewater of the surrounding population and using the resultant dewatered sludge to help the local crops to grow. When a problem with struvite scale build-up was causing low throughput and increased downtime, the company turned to Kemira to identify the cause of the issue and see where performance improvements could be made.
Berlin skyline with Spree river at sunset.

Healthy and happy bathing in and around Berlin

The huge task of treating the wastewater of the German capital, Berlin, falls to Berliner Wasserbetriebe. When the company needed a quick, safe, and effective fix for the summertime wastewater disinfection shortfall at its biggest treatment plant, it turned to Kemira.
A person enjoying milk shake in a café.

Boosting biogas production for food and beverage industries

The pressure to increase sustainability and move toward a circular economy is common in most sectors, but it’s felt especially keenly in the food and beverage industry. Particularly dairies are looking for ways to close the loop and be more self-sufficient in energy consumption, and biogas is a great way to do this.
Two factory workers focusing on a monitor and dashboard.

A solid win-win for Lahti Aqua

There’s no getting away from it – where there’s water treatment, there’s sludge. The more water you treat, the more sludge there is to deal with. So when Lahti Aqua was looking for a smart way to cut sludge management and disposal costs, they turned to Kemira’s KemConnect SD – and a groundbreaking performance-based agreement that’s making sure it’s a win-win for everyone involved.
Gästrike Vatten plant.

Why waste money treating the same bio-solids twice?

Peo Sundstrand, a Process Engineer at Gästrike Vatten’s Duvbacken treatment plant in Gävle, Sweden, has a clear priority. His aim is to make sure the level of suspended solids (SS) in the reject water leaving the sludge dewatering centrifuges is as low as possible.
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