Anaerobic Digestion for Sewage Sludge Management

Sludge treatment facilities have been using the process of anaerobic digestion for over a century to treat, reduce, and make use of sewage sludge. Below is a primer on anaerobic digestion and its products and benefits, an overview of the process and types of digesters, as well as an introduction to its relevance in the wastewater and sludge industry.

15 April 2022

Three decades of innovation: An interview with the CTO on Cambi’s 30th anniversary

Cambi CTO Hans Rasmus Holte shares his decades-rich experience with Cambi, from the factors that brought the technology company success in their early years to what's in store for thermal hydrolysis and the sludge industry.

31 January 2022

Sludge dewatering: How does thermal hydrolysis improve dewaterability?

Dr. Kine Svensson explains how sludge characteristics influence dewaterability and how Cambi's thermal hydrolysis process has been proven to alter key sludge properties and improve digestate dewaterability, thereby helping wastewater treatment plants reduce their biosolids volumes.

11 January 2022

COP26 is over. What next for the water sector?

OPINION | One thing is clear from Glasgow and the past 25 COP gatherings: World politicians are slow to commit to action that mitigates climate change effectively and even slower in developing and implementing effective policies to this effect. Decisive action is needed to stay within the carbon budget by slashing emissions fast, and the water sector can contribute. Read this short opinion piece from Dragos Talvescu, Marketing Director in Cambi.

15 November 2021

An introduction to wastewater treatment

Learn about the basics of municipal wastewater, also known as sewage and its conventional treatment steps, as well as its value for society and the environment.

30 August 2021

An introduction to sewage sludge and sludge treatment

Learn about the basics of sewage sludge and sludge treatment, its primary steps, actors, and significance for public health and the environment.

15 August 2021

A leap to advanced sewage treatment for India

OPINION | A 2021 Supreme Court ruling upholding strict water discharge standards is likely to change the game for sewage treatment in India. Beyond wastewater pollutant limits, the country stands to benefit if sludge and biosolids management are made part of the agenda.

30 July 2021

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