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Water Treatment

This New Submerged Membrane Module is Twice as Efficient as Previous Models

The 1,500-m2 Puron module for membrane bioreactor (MBR) applications features an optimized permeate extraction manifold and air supply lines, thus reducing the number of piping connections during installation. Designed for large-scale MBR projects, the module promises optimal solids management and…

A membrane bioreactor system that is designed for the CPI

Siemens Water Technologies The Petro membrane bioreactor (MBR) system (photo) has been specially designed for the petroleum, petrochemical and other chemical process industries (CPI). It is a wastewater treatment process that combines various biological treatment processes with an integrated, immersed…

Next-generation cooling water technology

GenGuard 8000 offers the capability to use less lower-quality water in the cooling process, while avoiding corrosion and fouling problems. This extension of the existing GenGuard product line also reduces the need for sulfuric acid for pH control in cooling…

Pick the WFI System that Meets Your Needs

The Polaris range of water-for-injection (WFI) products is designed in accordance with GAMP, cGMP, ISPE and FDA guidelines to meet the product quality specifications of USP, Ph Eur and other international pharmacopoeia standards. Polaris MED multiple effect stills use a…

Use this electromagnetic meter where no power is available

Krohne The Waterflux 3070 is an electromagnetic water meter for applications in the water and wastewater industries. Its 15-yr battery life makes it suited to applications where no power is available. The device also has the option of a GSM…

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Achieving Zero Liquid Discharge Status

Water-supply issues are emerging as a national concern with certain sectors coming under increasing scrutiny. This is certainly the case with the ethanol industry. State discharge regulations dictate that plant designs incorporate technological solutions to minimize water use. These designs…

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Graphene improves the performance of water deionization

A research team from the University of South Australia (Adelaide; www.unisa.edu.au) and the East China Normal University (Shanghai; www.ecnu.edu.cn) has developed a capacitive deionization technology (CDI) that uses graphene-like nanoflakes as electrodes, instead of conventionally used activated carbon (AC) materials.…

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Zero-liquid-discharge desalination system offers brine disposal alternative

A desalination system developed by Watervap LLC (Marble Hill, Ga.; www.h2ovap.com) separates saltwater of any concentration into highly purified water and dry solid minerals with high efficiency. The company’s Zero Liquid Discharge (ZLD) process represents a low-cost alternative to brine…

Focus on Process Water Treatment

BioAir Solutions Clean the air from wastewater treatment plants without carbon Using its proprietary EcoBase synthetic media, this firm has developed a line of odor control products (photo) that remove both organic and inorganic odorous compounds from the airstreams of…

Ask the Experts: Water-hydrocarbon separation

Question: How are hydrocarbons best removed from water? Answer:  First, the type of hydrocarbons present must be identified. Typically, the hydrocarbons in question are in the form of oil or an oil-like substance. In that case, the miscibility of oil…