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Filtration and Separation features, January 2021

HRS believes Covid-19 needs a flexible approach

Here we examine how UK water companies should prioritise spending and investment in the light of Covid-19.

 
Silent & sustainable air purification from Dexwet

An air filtration technology that quickly removes 99.9% of airborne dust, pollen, and nano-fine particles such as bacteria and viruses.

 

Three wastewater treatment plants were investigated to compare the ability of sand filters to retain microplastics from secondary treated effluents.

 

To increase support processes across the GKD Group, structured systems were created to connect sites and promote global knowledge sharing.

 

Image-based structure analysis reveals anisotropic permeability and isoporosity.

 

A water recycling system uses the latest ultrafiltration technology to deliver a low-energy and responsive water reuse system for buildings.

 

A review of various technologies and processes for achieving sustainable brine management.

 

This article examines how Vienna's wastewater treatment plant transformed from being a major energy consumer into net producer.

 

Effluent for reuse can be obtained by reverse osmosis filtration.

 

Climeworks, a Swiss company specialising in direct air capture technology, has been chosen by Microsoft to help it achieve negative emissions by 2030.

 

Indoor PM2.5 was measured in 37 urban commercial offices in China, India, the UK and USA.

 

This article aims to help filtration experts persuade owners and operators of gas processing facilities of the importance of filtration.

 

An analytical model to investigate how membrane pore size distribution affects the solute separation efficiency.

 

Eaton has developed an automatic tubular backwashing filter that reduces freshwater consumption during paper manufacture.

 

This study found that UF permeate quality met the latest EU regulation for agricultural irrigation.

 

A Karlsruhe Institute of Technology study on the regeneration of used filter cloths with different acids, bases and ultrasonic cleaning procedures.

 

Gregory Scott Newsome, board director and chief financial officer of Dexwet Air Filters, explains how Dexwet’s technology can improve indoor air quality.

 

Very low energy consumption and harvesting cost were achieved.

 

An investigation of pretreatment strategies to mitigate the extent of fouling and scaling on the membrane surface.

 

How GEA's active torque control for decanter centrifuges increases economic efficiency.

 

A process-based model that minimizes the levelized cost of water (LCOW).

 

How a retrofit at a US wastewater treatment plant integrated an automated rake system to clean and clear the bar screen during storm events.

 

Combining renewable energy with desalination processes requires further intensive research and demonstration units to assess longer term performance.

 

This article looks at pusher centrifuge technology over the last decade and how it has redefined product quality, energy efficiency and operations.

 

Investigating the potential of the widely-used Neosepta MSED membranes and the new Fujifilm MSED membranes to treat wastewater in greenhouses.

 

Efforts to improve upon the world's first commercial forward osmosis ZLD system (developed by OASYS Water) by employing low-grade heat.

 

An anaerobic digestion process that decreases the volume of undigested sludge and increases the biogas yield, improving the AD circular economy.

 

Hybridization of two or more desalination processes is a promising approach to tackle the inherent disadvantages of conventional desalination processes.

 

Integrated systems can purify water, minimize wastes and extract useful substances.

 

When Covid-19 hit Southern California's regional passenger train service, Metrolink, it implemented multifaceted health and safety measures.

 

Investigating the effect of fiber length and operational conditions on the performance of hollow fiber nanofiltration membranes.

 

The new machinery removes up to 70% more contaminant and recycles 98% of waste product.

 

A review of recent progress, focusing on optimizing filter structure and enhancing electrostatic interaction.

 

How Flowrox's Smart Filtration technology offers a user-friendly, filter-specific picture of filter performance.

 

HBSRO is a promising solution towards minimal liquid discharge.

 

An automotive filtration specialist has produced an antiviral, antibacterial technology which eliminates most airborne viruses, including Covid-19.

 

A food-energy-water nexus approach was implemented for South-Central Texas in three distinct scenario analyses.

 

An assessment of the environmental impact and cost of fabricating 1000 m2 of hollow fiber polymeric membranes.

 

The cleaning of process waste or contaminated water in ETPs to make it reusable and recyclable means selecting the right low-pressure blower technology.

 

FCDI is a new electrochemical-based desalination technology that addresses the limitations of preceding CDI processes.

 

How one company re-evaluated its filtrate pump systems and found a solution which helps meet sustainability targets and improves productivity.

 

Recent developments in biomanufacturing are driving innovations in membrane technology.

 

Materials with strong organic solvent resistance are necessary for various environmental and energy-related separations.

 

A look at a technology which utilises the surface area of filter media to make a more efficient effluent treatment process.

 

Membrane separation processes such as nanofiltration, forward osmosis and electrodialysis could solve issues with current recovery techniques.

 

How specially adapted automatic basket strainers from Eaton, designed for high pressure, minimised control valve wear in a Swiss power plant.

 

This study evaluates the performance of different membranes in removing microplastics within a simple system for use in a domestic environment.

 
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Most viewed…
News
 

NIG Nutritionals has been trialling Hydroxsys’ equipment since the start of 2021.

 
News
 

MECO operates in the industrial water treatment market.

 
News
 

Saltworks’ process harvests lithium hydroxide solids that reach or exceed battery-grade specifications.

 
News
 

The decanters will be used to thicken and dewater sludge.

 
News
 

The filters will be part of the factory's process systems.

 
What’s coming up…
20
Sep ’21

Organisers say the content to be presented in September 2021 will be very similar to that of the postponed WFC13 in April 2020.

 
22
Sep ’21

 
27
Sep ’21

The latest achievements in science and technology of desalination.

 
21
Sep ’21

Conference examining critical water security issues in the Arab region.

 
21
Sep ’21

4th international air conditioning and refrigeration exhibition.