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Water treatment: PESU membranes show permeability advantages

Membrane filtration in water treatment has undergone significant development in recent years and the introduction of polyethersulphone as a membrane polymer isone of these. Dr Christian Maletzko of BASF explains the permeability advantages of this material.
21 July 2010

Air filtration: Shedding of particles from HVAC filters

A team put together by CETIAT, the study, testing and calibration laboratory in France, has been investingating the problem of particle shedding from HVAC filters. The project is searching for a reproducible method of testing filters in different laboratories. Alain Ginestet and Dominique Pugnet of CETIAT and Magnus Johnsson and Thomas Carlsson of Vokes Air outline what has been discovered to date.
21 July 2010

Hydro-entanglement: New filter media offers performance advantages

Some recent development work has produced a new hydro-entangled filter media for solid/gas and solid/liquid filtration.
21 July 2010

ERP Buyer's Guide

ERP is a strategic investment. Download this free Buyer's Guide and get all the information you need to ensure success.
28 April 2010

Hosted CRM

Give your sales and marketing team the competitive edge with the right CRM solution. Download your comparison guide now.
28 April 2010

2010 Enterprise Phone Systems Requirements Toolkit

In the market for a new enterprise-class phone system? This Toolkit has everything you need to choose the right system for your business.
28 April 2010

Treating wastewater: Total nitrogen removal at remote sites

Stricter international regulations and growing public awareness are forcing even small, remote wastewater treatment plants to employ efficient treatment, to avoid pollution of neighbouring lakes and rivers. This article explains how things are different for smaller treatment plants.
22 February 2010

Bioremediation: Wastewater treatment in diesal power stations

Dealing with the contaminants in the wastewater output of a diesel power plant can be problematical. This article provides an outline of the new developments in a method of bioremediation which can improve the efficiency of the wastewater treatment.
22 February 2010

Air filtration and efficiency: Air filters - energy rating and labelling

Energy consumption awareness is increasing, and the need to reduce energy consumption drivse manufactures to introduce energy efficiency indicators in almost every product and engineering field. The air cleaning industry is no exception.
19 February 2010

Air filtration: Is air filter recycling for you?

This article questions whether recycling air filters is a viable alternative to buying new. It asks how it can be done, whether it's the right thing to do and takes a look at a successful example of recycling.
19 February 2010

Using alternate energy sources: Decentralised membrane systems

Oil and water shortages are turning attention towards alternative energy sources. Rajindar Singh looks at the potential of fuel cells as an energy source for filtration, especially with water production processes.
18 February 2010

The Tangled Web: Silent Threats & Invisible Enemies

In a 2009 report, MessageLabs Intelligence revealed that an average of 3,618 new Websites per day were identified as harboring malware and other potentially unwanted programs such as spyware and adware.
17 February 2010

Water processes and production: High and ultra-high purity water

This article takes a look at the various filtration techniques available to produce the different grades of pure and ultrapure water required in industry.
17 February 2010

Wastewater pre-treatment: China looks to ultrafiltration

Flora Tong explains the role which ultrafiltration is playing as the city adapts to modern needs and an increased demand for water.
17 February 2010

Efficient pre-treatment: Ultrafiltration in Russian power plants

This article examines ultrafiltration, as a solution to dealing with raw feed water, in Russia's power station water treatment plants.
16 February 2010

Water processing: Improving flocculation with impellers

Neil Meadows explains how using high efficiency impellers can improve flocculation rates.
16 February 2010

Energy and power generation: Maximising biogas yields from sludge

The wastewater industry is increasingly adopting anaerobic digestion technology into sludge treatment processes. This article examines how the energy, which is generated as a result, is used on-site and re-sold to the grid.
12 February 2010

Filter media and energy efficiency

Ken Sutherland looks at the impact of filter media selection on the energy efficiency of a filter installation.
12 February 2010

Saving energy: Using fine bubble diffusers

Adrian Ovezea explains how efficient use of fine bubble diffusers can save energy in sewage and water treatment plants and looks at the different options available.
12 February 2010

Analytical sample preparation: The use of syringe filters

In this article, Larry Scheer looks at the use of syringe filters for analytical sample testing, including those used in HPLC and dissolution testing.
12 February 2010

Process filters: What's new in process filtration?

In this article, Ken Sutherland examines the developments in process filters used in the recovery of high concentrations of suspended solids.
09 February 2010

Wastewater treatment: Efficient filtration leads to water and energy savings

This article explores how the reuse of clean water in process industries, and heating and cooling systems, can provide significant water and energy savings.
09 February 2010

BIO-CEL®- Mechanical Cleaning Process

Listen and learn about the new BIO-CEL®- Mechanical Cleaning Process developed by MICRODYN-NADIR.
01 September 2009