Blog

Class A biosolids and the future of biosolids management

An increasing number of governments around the world are enacting stricter regulations on the production and use of biosolids from wastewater, coinciding with growing support in some markets for high-quality, Class A biosolids. This blog article looks closer at the nutrient-rich material and its classification basis according to the US EPA 503 Biosolids Rule, differences between Class A and Class B biosolids, and the predilection for land recycling or application of biosolids in countries with specific drivers.

15 July 2021

Cambi Flexishaft pumps: Low maintenance pumps for thermal hydrolysis

A collaboration between Cambi and NOV Inc. using the latter’s Flexishaft design resulted in a new generation of progressive cavity pumps for thermal hydrolysis, with improved maintenance intervals and performance.

01 July 2021