Municipal water supply and wastewater treatment companies all over the world face multiple challenges. There is a need to supply more drinking water and treat more wastewater. The public demands drinking water of pristine quality, free of any pollutants. Every liter of drinking water will return as wastewater and need treatment before discharge. With fresh water sources dwindling in many regions, these challenges are compounded by the need to minimize losses and maximize recycling in the entire process of managing the water cycle.
Moreover, both production and treatment have to meet high quality standards. International, national and local authorities impose increasingly rigorous safety and environmental regulations.
Drinking water can be produced from a number of different sources: groundwater, surface water or seawater. In each of these applications, microbiological contamination of the water is a threat that needs to be addressed.
Membrane technology is the best treatment option to ensure a steady supply of safe and crystal-clear drinking water.
In its journey through a municipal water system, drinking water will become contaminated with all kinds of pollutants. They range from soap or organics, such as food waste, to newly emerging contaminants, such as nanoparticles and pharmaceutical residues. New testing methods can detect minute levels of pollutants, and strict legislation applies to wastewater discharge into rivers, lakes, and oceans.
Pentair Advanced Filtration delivers the means to step up production and treatment in the most economical manner. Wastewater treatment has to ensure a minimum effluent quality prior to discharge. This means that nutrients, such as organics, nitrogen and phosphate have to be reduced to acceptable levels. If the wastewater is discharged into waters used for recreational purposes, it is imperative that the water is free of microbiological contamination. Ultrafiltration provides a chemical-free way to remove all microbiology.
More and more communities are reusing treated wastewater for irrigation and industrial purposes. Such reuse applications do require that the water is treated to a high standard. This can mean that not only all microbiology has to be removed, but also that the water is free of turbidity, or even low in mineral content. Ultrafiltration will remove all turbidity, providing clear water. If reverse osmosis is required to lower the mineral content of the water, ultrafiltration will protect the RO membranes.
Aqualine offers cost-effective filtration by providing superior flow rates and maximizing the performance of water treatment and purification systems, making it also very suitable as a pre-filtration solution in various industries.
The ultrafiltration solution that can treat water containing up to 250 mg/l of total suspended solids, or 100 NTU turbidity. Specifically suited for industrial water treatment or direct drinking water production.
The ultrafiltration solution with the highest membrane area-to-footprint ratio in the market. Specifically suited for large-scale (>10 mld) municipal or industrial water polishing for drinking water production or reuse.
The Airlift Membrane Bioreactor was developed for treating (industrial) wastewater (<7,5MLD) with minimal energy consumption (<0.25 kWh/m3) and is suitable for suspended solids levels of MLSS 8-15 g/l.
Airlift MBR Megablock offers an energy-efficient and fully automated solution for large-scale (>7,5 MLD) industrial and municipal wastewater treatment and effluent that is suitable for direct discharge.
The High Solids Package uses hollow-fiber or tubular UF technology in vertical dead-end configuration to remove high levels of suspended solids (TSS/MLSS of 200-1000 ppm), including algae, to produce high-quality water in a single process step.
Saving water and producing energy on military bases
The Dutch defense department is testing the NEW GeneratorTM wastewater treatment technology that uses X-Flow membrane modules. The army wants to know how up to 80 percent water savings on military bas...
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