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Filtration and Separation features, July 2019

Screen success at US WWTP

When screens were upgraded at a US water reclamation plant, it chose an international wastewater treatment specialist to provide new screening equipment.

 
PFRO: Innovative process for water reuse

The Pulse Flow Reverse Osmosis (PFRO) is a way to operate RO, chloramine-free, allowing high recovery and very high flux, all in a single stage.

 

Two reaction based precoat methods were tested.

 

This article examines how to protect anaerobic digestion plants from biogas leakage.

 

How Luxembourg-based water technology company Apateq created the first direct water reuse system in Europe.

 

A brief look at the EPLAN suite of software solutions for computer aided engineering and how it can improve design and production capabilities .

 

Particles play contradictory roles of foulants and fouling mitigators.

 

A look at the advantages and benefits of magnetic filtration and how it can often outperform traditional methods.

 

This review explains how to select appropriate materials and preparation methods to produce thermally stable thin film composite membranes.

 

The Western Cape was chosen as the location for Africa’s first seawater solar desalination plant.

 

This review focuses on emerging porous materials for the fabrication of membranes designed for carbon dioxide separation.

 

The ZERO BRINE project aims to reduce industrial saline wastewater streams by recovering and reusing minerals, water and metals from wastewater.

 

In this study at a full-scale desalination installation seven types of commercially available cartridge filter elements were evaluated.

 

The efficiency and stability of a moving granular bed filter (MGBF) was tested in a high-temperature environment under various operation conditions.

 

How one Canadian water utility saved millions of gallons of water with an automated flushing unit.

 

An onshore fish farm in Norway has introduced a new type of filter media to reduce the size of the MBBR required in its water treatment process.

 

The alginate-based membranes investigated in this study demonstrated acceptable performance for OSN with excellent chemical stability.

 

This review focuses on recent advances in 3D-printed materials and methods for water-related applications.

 

Membrane filtration is increasingly used for drinking water treatment but there's limited data on changes in the membranes' performance as they age.

 

Rainwater harvesting coupled with gravity-driven membrane filtration was used to simultaneously treat rainwater and recover energy.

 

Key requirements and current development trends for membranes and separators for the vanadium redox flow battery are discussed.

 

How a US Water District addressed high levels of iron and manganese in its source water to meet water quality objectives.

 

Singapore has a complex urban water system with multiple water sources, advanced treatment processes, and recycling for potable and non-potable reuse.

 

These membranes exhibit excellent Na+ rejection properties with water permeance ∼10 times higher than those reported for graphene oxide membranes.

 
 

A German solid-liquid filtration specialist used candle filters to keep condensate clean during precious metal extraction.

 

Regeneration of fertilizer draw solutions was conducted using an membrane distillation process capable of being driven by solar power.

 

The hydrodynamic separator developed by AquaHD is free from the limitations of the conventional processes.

 

Challenges for the development of membranes for commercial applications are identified and the future outlook presented.

 

This paper reviews the advantages and challenges of current membrane-based technologies applied to the recovery of a water lithium resource.

 

This paper reviews how membrane performance affects the cost of reverse osmosis processes, especially the specific energy consumption.

 

How water companies can use data collection to meet strict regulations.

 

Structure-performance models for porous and composite membranes are discussed.

 

The role of multibore membranes from inge in helping fresh water arrive at customers' taps.

 

An overview of the status of state-of-the-art hybrid CSP-desalination systems.

 

The KDS system aims to solve environmental and disposal issues for sludge and solids using a more hygienic and cost-effective process.

 

Viable and cost-effective brine management systems are needed to reduce environmental pollution.

 

Where biofilm has formed, major problems with plant and equipment as well as the stability of cooling towers can occur.

 

Although many new polymeric membrane materials and synthesis methods are reported every year, green synthesis only makes up a small proportion.

 

Eaton’s self-cleaning strainer can reduce the total cost of production due to reliable, continuous and nearly maintenance-free filtration process.

 

Seawater desalination using gas hydrates has potential for water treatment, but the role of crystal nucleation, growth and separation needs further study.

 

Commercial automotive cabin air filters were evaluated and compared in terms of filtration and pollutant removal performance.

 

Layer-by-layer nanofiltration membranes were used to recover phosphoric acid from leachate sewage sludge ash.

 

EnviQ™ UF membranes are submerged, flat-sheet membranes with a consistent pore size.

 

A South African food-processing company is using plates made of the low-friction, high-compressive strength polymer known as Vesconite Hilube.

 

This study focuses on enhancing the mechanical strength of aquaporin (AQP)-based biomimetic membranes for seawater desalination.

 
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The filter sheet is used for pre-filtering or polishing hazy beers.

 
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The plant is currently producing an average of 150kL of drinking water per day.

 
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Upcoming feature - a look at some of the most relevant criteria when selecting a filter bag for optimum performance.

 
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While oil floats on water, achieving good separation and a high quality water stream is difficult. Louis van Schie explains how the Suparator oil separator

 
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The platform was established last year with the acquisitions of Environmental Operating Solutions Inc and Nexom Inc.

 
What’s coming up…
23
Aug ’20

 
06
Apr ’20

Water and wastewater event for developing Asia.

 
31
Aug ’20

International exhibition for process, drinking & wastewater in Asia.

 
12
Aug ’20

For professionals in the commercial membrane and membrane technology sector.

 
24
Aug ’20

Virtual adaptations of sessions on water and climate change originally destined for World Water Week 2020.