Membrane Separation Applications on Environmental XPRT

Membrane Filtration for Wastewater Treatment

The essential challenges of today are to ensure cost effective treatment and recycling processes for water and wastewater. Membrane technology solves this task by being an innovative and trendsetting technology. Today membranes are successfully used for the treatment of municipal and industrial wastewater as well as for the production of drinking and process water from surface water. Membrane technology and membrane bioreactors (MBR) are especially important in arid zones for the recovery of clean water for reuse from wastewater. This enables the sustainable management of water resources ensuring availability and effective utilization.

By MICRODYN-NADIR GmbH based in Wiesbaden, GERMANY.

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Chemical Water Treatment for membrane treatments

Membrane units, in our days are widely used in the water pre-treatment preparation and are becoming one of the most important technologies in the production of high pure water. Nevertheless they often face problems with scaling and fouling and are therefore limited by frequent maintenance, downtime and high costs. Our treatment programs are specifically designed for membrane units like reverse osmosis, ultra- and nanofiltration and enable to remove or preventive control scaling and fouling. Our main target is to run these plants under environmentally friendly and beneficial economic conditions. Special attention is given to an efficient utilization of energy as well as saving precious water. Kurita develops an efficient and effective treatment concept achieving an optimal economic operation and a maximum operational reliability of a plant.

By Kurita based in Tokyo, JAPAN.

Membrane filtration systems for milk

Since the introduction of membrane processing to the dairy industry in the late 1960`s, separation of dairy fluids using semi-permeable membranes has been used to clarify, concentrate and fractionate a variety of dairy products. The time honored and tested applications involving whey processing, the by-product of cheese making, have introduced a plethora of refined proteins and commercial uses for a once wasted by-product. The membrane applications for fluid milk have been understood for as long as the whey applications but have been underutilized in commercial applications.

By GEA Filtration based in Hudson, WISCONSIN (USA).

Membrane filtration systems for whey

Before the innovation of membrane processing was introduced to the dairy industry, in the late 1960`s, whey was truly a waste product of cheese making. Three important events have driven whey towards further processing; increased cost of dumping whey into the environment; new technologies to separate the proteins in whey and scientific research that has uncovered the wide range of nutritional and biological properties of whey that have ultimately added value to a once wasted product.

By GEA Filtration based in Hudson, WISCONSIN (USA).

Ceramic membrane filter

Nanjing Tangent Fluid Technology Co., Ltd, a high-tech company for liquid separation in process industry, has cooperations with domestic institutes and European famous membrane companies for membrane technology.Tangent Fluid has a manuafaturing plant and R&D center in Nanjing, where we can design and manufacture filtration equipments of Microfiltration/Ultrafiltration/ Nanofiltration /Reverse Osmosis, and make research and development for new process and technology based on membrane process. Tangent Fluid has also invested to another modern producing plant in Shanghai for ceramic membranes production,with a whole set of equipment like Vacuum Pugmill, Extruder, Oven, Full Automatic High Temperature Furnace, and Testing Machines. All raw material is high quality from domestic and abroad porus ceramic membrane filter with first grade quality could be manufactured under our unique technic and strict quality control system.

By Nanjing Tangent Fluid Technology Co., Ltd. based in Nanjing, CHINA.

Membrane Filtration for Pharma and Biotech Industry

The isolation of the pure product from the fermentation broth displays a major challenge to modern separation technology. Membrane technology has established itself as a key technology in this field since it offers several unique advantages compared to thermal, physical or chemical separation techniques.

By MICRODYN-NADIR GmbH based in Wiesbaden, GERMANY.

Membrane Filtration for Chemical Industry

Membrane technology has made major progress in recent years and is nowadays the method of choice for many processes in the chemical industry, wherever substances are to be separated efficiently and gently. A prime example of this is dia-filtration, in which solutes and particles with higher molecular weights are retained while solutes with lower molecular weights are "washed" out of the process fluid.

By MICRODYN-NADIR GmbH based in Wiesbaden, GERMANY.

High performance separation system for hydrotreating industry

The key to optimizing a hydroprocessing unit is to maximize the life of the catalyst bed and increase energy efficiency of the furnaces. Our goal is to eliminate fouling of the catalyst bed by particles and aqueous fluids and the dissolved components within them as well as fouling of hydrogen recovery membranes and furnace-burner tips.

By Pentair Filtration Solutions, LLC based in Conroe, TEXAS (USA).

Industrial and commercial water filtration for reverse osmosis plants

Reverse Osmosis or RO is a system used to produce an ultra-high quality of water with use of membrane. Reverse Osmosis plants are required in many production processes. Damage to these high quality membranes can easily be caused if no pre-filtration is in place to protect the system from high loading, this can result in extremely high costs of repairs, ranging from tens of thousands to millions, not to mention the loss of production to a company if as a result of plant failure production has to be stopped until the system is repaired.

By Hydro-Gen Engineering Ltd based in Widnes, UNITED KINGDOM.

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Particle Filtration for the Biotechnology / Chemical Industry

In chemical and biotechnological applications, we use our ceramic membranes successfully for protein concentration, cell separation, recovery of catalysts, filtration of dyestuffs, and more.

By atech innovations gmbh based in Gladbeck, GERMANY.

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Chemical filtration in lacquers for the recycling industry

In the field of waste water treatment atech membranes are used, for example, for the filtration of cleaning chemicals (surface treatment), for cell separation after biological processes, or for the recycling of paints and lacquers

By atech innovations gmbh based in Gladbeck, GERMANY.

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Chemical Filtration in Water for the Environmental Protection / Waste Water Technology

In waste water treatment systems our membranes are used with great success for the filtration of cleaning chemicals (surface treatment), for cell separation after biological processes, or for the recycling of paints and lacquers.

By atech innovations gmbh based in Gladbeck, GERMANY.

Reverse Osmosis - Pretreatment and Clarification - Wils ElectroWaveTM Conditioning

Wilsa ElectorWaveTM Conditioning can be used to pretreat water for reverse osmosis. The Wilsa Effect breaks emulsions, enhances separation to remove hydrocarbons and clarify solids before entering RO treatment. The effect also substantially lowers the viscosity of the water which allows it to pass through membranes with less effort.

By Hudson Industries based in Warren, OHIO (USA).

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Solutions for the wastewater sector

Conventional wastewater treatment systems are focused on efficient removal of polluting components. This is commonly done through aeration and separation of formed biomass from the cleaned water. After treatment the water would be discharged onto surface waters or subsoil irrigation. Introduction of polishing steps after these treatment systems opened up the possibilities to reuse water for either irrigation or even potable water. DMT Environmental Technology also implements these solutions with its MemBioRex membrane bioreactor. Nowadays novel technologies enable reuse of saline water within industries such as unconventional oil and gas, industry, agriculture, and mining. DMT Water Technology develops and realises innovative products to enable our customers to meet these challenges.

By DMT Environmental Technology BV based in Joure (NL), NETHERLANDS.

Water-blocking geotextiles

SAF is the key component for a range of geosynthetic membrane fabric technologies – which can be adapted into a wide range of formats – that are used by many industries requiring water-sealant solutions. Such fabrics are designed to act as a barrier to water and help alleviate the problems of flooding. As a fibrous super absorbent it allows for ease of handling, giving rise to exceptionally substantive and even distribution profiles within final fabric construction. As such, geosynthetic membrane fabrics incorporating this technology offer truly unparalleled levels of waterblocking performance. These fabrics have the ability to separate, filter, reinforce, protect and/or drain, and offer many advantages that are extremely important to demanding civil engineering projects. The fact that they can be supplied in rolls is also a huge benefit when being used on large-scale projects.

By Technical Absorbents based in Grimsby, UNITED KINGDOM.

Using evaporation to dewater Reverse Osmosis reject waste streams

Reverse Osmosis (RO) technology has been used for years in various industries to separate dissolved solids from water by forcing the water through a semi-permeable membrane. RO is also commonly used to purify drinking water and desalinate seawater to yield potable water. The water and other molecules with lower molecular weight (specific weight of molecules allowed to pass through is dependent on the selected membrane) pass through the micropores in the membrane, yielding a purified water stream called the permeate. Larger molecules are retained by the membrane as well as a portion of the water that does not pass through the membrane. This concentrated stream is called the concentrate or RO reject.

By ENCON Evaporators based in Hooksett, NEW HAMPSHIRE (USA).

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