Pure Aqua’s nanofiltration is a membrane filtration process used most often with low total dissolved solids water such as surface water and fresh groundwater, with the purpose of softening (polyvalent cation removal) and removal of disinfection by-product precursors such as natural organic matter and synthetic organic matter. Nanofiltration is also becoming more widely used in food processing applications such as dairy, for simultaneous concentration and partial (monovalent ion) demineralization.

Pure Aqua supplies a full line of standard and fully customizable nanofiltration systems, all of which are engineered using advanced 3D computer modeling and process design software for accurate and customized solutions.

Models

Operation Specifications:
Max. feed water temperature: 42°C Feed water pressure: 20 to 50 psi Operating pressure: 80 to 125 psi H2S must be removed Turbidity should be removed Max. iron content: 0.05 ppm	Feed water TDS: 0-1,000 ppm   Equipment upgrade for higher TDS values Hardness over 1 GPG requires antiscalant dosing pH tolerance range: 3-11 Max. Silica Tolerance: 60 ppm @ 60% recovery Operate at higher TDS by lowering recovery

Industrial Nanofiltration NFSystem NF-400
Model Number	Permeate Flow Rate		Quantity of 8″ Membranes	Motor Rating at 1,000 ppm 60Hz (hp)	Approx. Weight (lbs)	Dimensions L”xW”xH”
	GPD	M3/D
NF-25K-1480	25,200	95	4	5	2,300	190x43x61
NF-32K-1580	32,400	123	5	5	2,350	230x43x61
NF-38K-1680	38,700	146	6	5	2,400	270x43x61
NF-51K-2480	51,300	194	8	5	2,500	190x43x63
NF-64K-2580	64,800	245	10	10	2,600	230x43x65
NF-78K-3480	78,300	296	12	10	2,700	190x43x75
NF-97K-3580	97,200	368	15	10	3,200	230x43x75
NF-117K-3680	117,000	443	18	15	3,500	270x53x77
NF-129K-4580	129, 600	491	20	15	4,200	230x53x87
NF-155K-4680	155,700	589	24	15	4,550	270x53x88

Note: The above information is to be confirmed after providing detailed water analysis. Nanofiltration systems are the same as RO systems, and must have good pretreatment and antiscalant dosing systems.

Nanofiltration is also becoming more widely used in food processing applications such as textile industry wastewater treatment, dairy, for simultaneous concentration and partial (monovalent ion) demineralization.

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Here at Pure Aqua, Inc., we engineer and build all of our water treatment systems in-house.

Our turn-key water treatment systems are all pre-engineered using the latest CAD technology available.

This enables our teams to build and deliver treatment systems to our customers with quick turnaround times.

Many of our customers require custom engineered systems. These are typically built around similar core systems and thus allowing for improved turnaround times, even for one-off designs.