Sludge Stabilization

Municipal Biosolids are often rich in nutrients such as nitrogen and phosphorus, and contain valuable microbes. The EPA 40 CFR Part 503, Standards for the Use and Disposal of Sewage Sludge requires that wastewater solids be processed or stabilized before they can be beneficially used.

Biosolids are a byproduct of the wastewater treatment process. Once wastewater reaches a treatment plant, the effluent goes through a number of physical, chemical and biological processes to clean the wastewater and remove the wastewater solids. The solids are then collected and further treated or stabilized to reduce odors and control pathogens and other organisms capable of transporting disease.

The treatment process a wastewater facility employs to stabilize the wastewater solids will result in either Class A or Class B biosolids, depending on the methods used. Upon completion of the stabilization process, the material, either in a solid, semi-solid or liquid state, can be referred to as biosolids ready for application as a fertilizer or soil amendment.

Siemens offers a range of biosolids stabilization processes, and is an industry leader in both anaerobic digestion and open bin composting.

Stabilization Technologies for Your Sludge and Biosolids Treatment Applications:

Anaerobic Digestion Systems
Aerobic Digestion Systems
Municipal Composting Systems
Digester Gas Holding and Processing Equipment

Siemens provides pilot treatment systems and analytical testing to document the effectiveness of treatment and stabilization prior to installation. We also provide parts and service on all of our equipment, as well as equipment which may have been provided by other manufacturers.

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Contact Us

For more information about sludge stabilization, contact the Information Desk, Monday through Friday, 8 a.m. to 5 p.m., Eastern Standard Time: 1.866.926.8420 or 1.724.772.1402 or information.water@siemens.com.

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