Membrane Filtration

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Membrane Filtration
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From low pressure microfiltration/ultrafiltration systems to high pressure nanofiltration skids, newterra membrane water treatment solutions are engineered and built to maximize uptime and minimize process water maintenance requirements for our industrial clients.

Microfiltration/Ultrafiltration

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Treatment Targets: 

Suspended Solids, Turbidity, SDI
Suspended solids plug filters, cause the fouling of RO membranes and boilers, and are detrimental to plumbing, valves and downstream equipment. newterra microfiltration and ultrafiltration solutions effectively remove these abrasive constituents down to 0.01 microns. Our membrane filtration systems are used in a wide range of applications – allowing the recycling of valuable process fluids, such as coolants for tooling equipment. newterra UF systems are used for wash water reuse, as well as providing a cost-effective approach to removing oil and grease from wastewater streams to ensure compliance with sanitary sewer discharge regulations.
Our UF systems effectively separate oil, grease, heavy metals and suspended solids from waste streams. Water and low molecular weight solutes (e.g. salts and some surfactants) are removed as permeate, while emulsified oil and suspended solids remain in the process stream and are removed as concentrate.

Feed water is pumped or drawn via vacuum into the membrane skid and moves through the hollow fiber membranes. Water passes through and is sent to a permeate storage tank, but suspended solids are retained and build up on the membrane surface. Periodic membrane cleaning takes place automatically, using brief back pulsing, short duration chemical cleanings or thorough chemical cleanings, depending on the increase in the trans membrane pressure. 

Advantages

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Effective suspended solids filtration to 0.01 microns
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Consistent permeate quality
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Small footprint and skid mounted for easy installation
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Reuse - savings on process water, mop water, coolants & cleaners
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Cost-effective - reduced wastewater disposal or hauling costs
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Can accommodate a wide range of feed water qualities 
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Modular – several units can be combined to address flow rate variations
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Up to 98% recovery rates
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Automated control & cleaning minimizes operator labor
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Permeate flow rate controlled by VFD
Membrane Brochure
Connect with us today about all your water treatment needs.

Nanofiltration

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Treatment Targets: 

Dissolved Solids (hardness), Organics
The presence of dissolved solids in process water can erode efficiency by increasing boiler blow down and causing scaling. Like newterra RO systems, pre-filtered feed water is pumped under high pressure into the nanofiltration skid, where it flows through the membrane array. The majority of the multivalent dissolved solids are rejected, allowing a portion of the monovalent ions to pass. The rejected dissolved solids build up in the concentrate stream of the membrane skid. The concentrate is disposed of, and permeate is sent to a storage tank.

Advantages

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Effective, continuous dissolved solids removal 
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Consistent permeate quality
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Small footprint and skid mounted for easy installation
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Can accommodate a wide range of feed water qualities 
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Recovery rates of 80+% 
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Modular – several units can be combined to address flow rate variations 
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Automated control minimizes operator labor 
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Permeate flow rate controlled by VFD 
Membrane Brochure
Connect with us today about all your water treatment needs.