Pentair, Inc. recently acquired Clean Process Technologies (CPT), a division of privately held Norit Holding B.V. As of May 12, the companies under CPT – Filtrix, Haffmans, Nijhuis, Norit Components & Services, Norit Process Technology, Südmo, and X-Flow – are part of Pentair’s Filtration Solutions global business unit.

Pentair Clean Process Technologies provide greater process efficiency, longer life cycles, and cost savings ensuring a more sustainable operation. Our membranes, pumps, aseptic and hygienic valves, carbon dioxide systems, and quality control equipment rank among the world's best. We offer global coverage with research and development, engineering, and manufacturing facilities in seven countries. As part of Pentair's Filtration Solutions global business unit, the CPT companies, together with a network of dedicated sales and service centers, business partners, and distributors, serve customers in more than 150 countries around the world.


Siemens Water Technologies provides the most comprehensive, cost-effective and reliable treatment systems and services.
We offer everything from emergency water supply and conventional water treatment processes to wastewater reuse systems, membrane bioreactors, UV disinfection systems and RO cleaning contracts. These products and services are designed to help keep your city safe, or your company profitable.

The ongoing development of membranes and processes is derived from the roots of the MEMCOR® product line.  A twenty-five year commitment to engineering and R&D coupled with an installation base of over a thousand systems have established Siemens as a global leader in wastewater reuse, drinking water treatment and RO pretreatment.

Siemens offers sustainable and cost effective solutions in both pressurized and submerged configurations.  Technologies are available as stand-alone, packaged water plants or as components for large projects.

The MemPulse™ membrane bioreactor (MBR) system from Siemens is a unique wastewater treatment process that combines an activated sludge biological treatment process with an innovative membrane filtration system. Siemens ‘continued focus on innovation has created an MBR process that provides superior management of the membrane environment, stable and flexible operation, and less overall maintenance, providing significant cost savings. This process is well-suited to a wide range of municipal and industrial wastewater treatment applications including water reuse, new housing developments, parks and resorts, retrofits and turnkey projects.


Pall Corporation is the technology leader in the $48 billion global filtration, separation and purification industry. Pall has become a $2.4 billion company by solving complex fluid management challenges for diverse customers around the world.

Pall Aria™ water treatment systems are designed to produce drinking water that meets today’s stringent standards. More than 150 systems have been installed around the world to serve communities and businesses of all sizes. Pall Aria™ Membrane Water Treatment Systems use uniquely designed filtration modules in a hollow-fiber configuration to remove the following contaminants from surface and groundwater sources: suspended solids/turbidity; viruses; bacteria; cysts and oocysts; iron and  anganese; arsenic and organics.

The tough, hollow-fiber membranes are highly permeable, resulting in high water production rates. Each module provides an active surface area of up to 538 ft2. Pall’s dedication to a simplified process and control design has produced a family of systems that are characterized by: operator-friendly controls; simple surface water treatment without coagulation; unique air scrub and flush operation; high efficiency, low waste; excellent compatibility with chlorine and common treatment chemicals; long service life and minimal cost of operation; easy installation using modular skids and compact system footprint. Wastewater

Filtration + Separation - Latest News Drinking Water Industrial Water

Water and Wastewater International

Desalination and Water Reuse - All the Latest News

Water & Wastes Digest