cycles it back to the operation where it is used.  Metal ions are precipitated out as metal hydroxide, filtered, and recovered as disposable waste.  Soluble impurities such as salts, detergents are also recovered  as a compact, semi-solid mass, as disposable waste.

Blue Spring PrecipRO^TM zero discharge water recycling system distinguishes itself from other wastewater treatment systems and  other zero discharge systems in terms of  its extra-ordinary efficiency in recycling water,  in removal of precipitable chemicals,  and its extra-ordinary cost-effectiveness. Typical water recoveries are 95-98% and in some cases, almost 100%, without fouling the reverse osmosis membranes.  Metal ions removal is almost 100%.  With Blue Spring's PrecipRO^TM patented zero discharge closed-loop water recycling systems,  now it is possible to recycle water for less than what it costs to purchase fresh water and then discharge it to the environment, in the polluted form, in most pollution conscious localities.

The quality of recycled water according to Blue Spring PrecipRO^TM zero discharge closed-loop rinse water recycling system is better than the quality of the incoming raw water in most cases. Such rinse water quality is generally more than adequate for rinsing parts.  When higher purity rinse water is required, two environmentally friendly enhancements are available from Blue Spring Corporation.  With our secondary RO unit, the rinse water quality can be upgraded to 1-5 mg/L TDS level. With our latest EDI enhancement, resistivities  of 1 - 4 megaohm.cm can be achieved without the use of de-ionizing resins.

Factory-assembled, Plug-n-Go modules are available in 1 gpm to 20 gpm ( 4 lpm - 72 lpm) standard capacities. Larger systems  in capacities up to 130 gpm (500 lpm) are shipped in factory-assembled modules which can be easily inter-connected on site.  Factory-assembled modules save installation time, installation space, installation costs and they eliminate installation errors.

UNIQUE FEATURES

• Patented hybrid chemical precipitation and reverse osmosis water recycling  process  with optional two-stage evaporation


• Recycles 90% - 98% of  water in a closed-loop. No more high water and sewer bills


• Converts nearly 100% of metal ions to metal hydroxides.  Recovers valuable metals


• Converts all remaining impurities to semi-solid mass. No more high hauling costs


• Purifies water as recycles. Improves rinse water quality


• No sewer connection required. Say good-bye to discharge permits and EPA regulations


• No DI resin tanks used.  DI regeneration  with acid/alkali creates x3 additional sludge


• Economical operation.  Energy costs usually less than lighting and ventilation in the shop.  Now, it costs less to recycle water than to buy it and then waste it


• Superior in overall performance to conventional chemical precipitation, evaporation, electro-coagulation, conventional reverse osmosis and ion-exchange processes


• Easy-to-use, single switch daily operation


• Built-in, easy-to-use cleaning system for RO membranes


• Plug-n-Go  skids available for 1 gpm - 20 gpm (4 lpm - 75 lpm) capacities.  No on-site engineering, piping, wiring necessary


• Quality construction using high-chrome stainless steel and other corrosion-resistant materials.

Ordinary wastewater treatment systems offer a partial solution to the pollution problem, at a very high cost.  Blue Spring's PrecipRO^TM zero discharge closed-loop rinse water recycling system offers you a complete, long-term, economical solution to your wastewater pollution problems. It eliminates the need for industrial sewer, thereby exempting you from the Environmental Protection Agency's "hit" list.  Blue Spring PrecipRO^TM system is like having your own in-house water source without capacity restrictions,  and without having to worry about wastewater disposal!

APPLICATION NOTES

Kiss your Environmental Protection Agency inspector good-bye.  Seal off drain so there will be no suspicion about covert discharge

Recycled water quality usually better than incoming city water quality

Use secondary RO option,  for upgrading rinse water purity in the range of 1-5 ppm. or use EDI option,  for upgrading rinse water purity in the range of 1 - 4 megaohm.cm

Use  EV Series evaporator if the hauling costs for the brine discharge from PrecipRO unit are too high.  The brine is non-hazardous, because metal ions have been removed.  Air-quality permit should not be required to operate evaporator, in most localities. 

Recycled water usually costs less than city water, when costs of annual permits, discharge fees, sampling and analysis and occasional penalties are considered.

Includes small water softener to pre-treat makeup water. DI makeup not required

Actual recovery of water depends on TDS of incoming wastewater

Keep TDS down by recycling dragout and by using short pre-rinse spray

Can include hexavalent chrome or cyanide rinse lines.  Reduction/oxidation pre-treatment can be included in PrecipRO system

Can include hexa-chrome fume scrubber in the "loop".  Click here for info on fume scrubbers  8

Can include rinse water from cleaning lines. Small amount of solvents O.K.

Watch  for silicate in cleaning baths. It is RO membrane buster. Replace it with caustic soda or phosphates

No need for multiple rinse tanks and other elaborate water-saving schemes to reduce amount of wastewater. No more restrictions on water usage

Good for multiple plating lines including cleaning, phosphating lines. For single plating line, consider  Blue Spring ConcRO^TM dual-loop system 

Good for flow-through rinse system. For batch rinse system, use holding tanks for wastewater and recycled water to equalize input/output flows

Not so good when wastewater TDS is higher than 5,000 mg/L. Don't combine rinse water with spent plating baths

Cost-effective for cheaper plating salts.  For precious metals, consider  Blue Spring ConcRO^TM dual-loop system  8

For applications assistance, click here 8
For information on Blue Spring ConcRO^TM Dual-loop zero discharge system, click here 8

Blue Spring Corporation can supply you with complete PrecipRO^TM wastewater recycling system suitable for your particular metal finishing, electroplating, or PCB fabrication operation.  The patented wastewater recycling process requires an operating license which is available from Blue Spring Corporation.