What to Know About Sludge Treatment

Managing your wastewater output is just as important as managing the manufacturing process for your intended products. Difficulties can arise, though, when handling the byproducts that come from waste treatment. In particular, various forms of sludge can arise from filtering wastewater. Disposing of or processing this sludge is a logistics problem on its own.

Why Treat Sludge?

Sludge is composed of the residue removed from wastewater—this can include organic compounds, inorganic sediments, pathogens and more. Wastewater is treated to keep these contaminants from entering the water supply, but the sludge itself is now also a pollutant, more highly concentrated than the wastewater was. These contaminants can leach into the soil, and the water content itself can seep into the ground and compromise building foundations.

The Stages of Sludge Treatment

Sludge treatment aims to reduce the volume and toxicity of sludge byproducts in order to make handling easier. This is done through multiple mechanical and chemical stages, usually consisting of:

  • Thickening: solid particulates are made to aggregate together more closely and settle out of the liquid solvent, thus reducing the volume of sludge present. This is primarily a mechanical process, but clarifying agents may be added to catalyze aggregation.
  • Digestion: organic compounds and harmful microorganisms are broken down by anaerobic bacteria that are capable of processing large organic molecules. Not only does this reduce toxicity and volume further, it can produce biogas used for energy.
  • Dewatering: remaining water is removed to compact the sludge as much as possible for transport or disposal. Mechanical sludge dewatering equipment is quicker and more effective than drying beds.

Possible Uses for Sludge

While sludge is often hazardous, with proper treatment it can be a useful byproduct depending on the source and contents. The digestion process yields biogas, as noted, often applied to powering the treatment facility. Provided there aren’t high quantities of heavy metals present, the dewatered sludge can be used for composting or fertilizer. This allows organic compounds to be returned to the soil, and the sludge itself is useful for agriculture.…

Why Rubber Lining Is Important for Your Tank or Pipe


Whether you are in the chemical business or you are a city manager responsible for the water tanks of the city, you want your tank to fulfill its purpose and do its job properly. Particularly if the tank has been around for a while, you want to be sure that whatever is contained in it is properly controlled. Here are some of the reasons using a rubber lining inside a tank makes sense.

Reduce Maintenance

Whether you are dealing with tanks or pipes, if you keep them lines you will likely have less maintenance over time. The rubber protects the inside of the pipe or tank and helps you keep your equipment in better shape. Because it is not only pliable but also durable, it usually receives less damage than the original or unlined pipe or tank would. Metal is often susceptible to damage from liquids, so protecting with rubber helps prevent wear and tear.

Resist Corrosion

We all know that metal and other products can break down over time – especially when exposed to the elements. For this reason, having a rubber tank lining to help the original tank maintain integrity is a smart business practice. No matter what the tank holds, if the material the tank is made of can corrode, lining it will help extend its life.

Decrease Cleaning Time

When it comes time to clean out your pipes or tank, you will spend less time cleaning rubber than if you are simply trying to clean a metal pipe. When you are scrubbing or flushing your lines, having that liner makes the hard job easier. That means you are likely to take the time to clean the system more often, which can be beneficial.

If you are in a business where tanks or pipes are used, you will want to consider using rubber linings. It may help keep you on top of things such as maintenance and repair.…