Closed loop solid products

INHIBITORS

QSOL CS20 Nitrite dual mechanism corrosion inhibition treatment in tablet form for hot and chilled water closed systems, containing a nitrite blend with a yellow metal inhibitor.   QSOL CS20 must not be used in systems containing aluminium.

One tablet weighs 215g.  Product supplied in 4.5kg pails containing 20 tablets, each with a water soluble protective cover.

One tablet in 156L water will provide 800ppm as NO2. (1200ppm as NaNO2).

Testing Method Target reserve
Nitrite 600 – 800 ppm as NO2
Sodium Nitrite 800-1200 as NaNO2

QSOL CS20 can also be used to top up nitrite levels in systems where traditional liquid nitrite has been used.

Recommended dosing – via shot feeder or directly into open tank.

QSOL CS21 ALL ORGANIC with Molybdate tracer

CS21 is a blended solid concentrate inhibitor supplied in “stick” form as a treatment for hot and chilled water closed systems.  The product is a blended organic formulation  containing a molybdate tracer.    Suitable for systems containing aluminium.   Each stick weighs 0.362kg.

Dose: 1 stick in 1500L water.

Test Method Test Range
Molybdate (as Mo) 8-10ppm

Sticks are supplied in water soluble bags and packed in outer recyclable cardboard tubes.

Recommended dosing via filter feeder.

QSOL CS22 Molybdate inhibitor

CS22 is a molybdate corrosion inhibition treatment for closed water systems.  This is a concentrated blend which also includes a yellow metal inhibitor.  The product contains no nitrites.  Suitable for systems containing aluminium.

Available in stick form each weighing 0.362kg.  Sticks are supplied in water soluble bags and packed in outer recyclable cardboard tubes.

1 stick in 1900L water will provide 50ppm as Mo.  The target reserve will depend on system type.

Recommended dosing via filter feeder.

CLEANERS / DISPERSANT

QSOL CS23 CLOSED LOOP CLEANER

CS23 is a chelant/phosphonate closed loop system cleaner and scale remover to clean up iron deposits and build-up from fouled water systems.  This product is designed to be used in conjunction with in line filters and system flushing to remove the iron that is cleaned or sloughed off.

Depending upon the severity of the iron deposit build-up, typical usage rates are recommended at 200ppm in the system water (1 stick per 1800L of system volume).  In heavily fouled systems, up to 400ppm may be required.

CS23 is available in stick form each weighing 0.362kg.  Sticks are supplied in water soluble bags and packed in outer recyclable cardboard tubes.

Recommended dosing via filter feeder

QSOL CS24 CLOSED SYSTEM CLEANER/PASSIVATOR

CS24 is an alkaline solid concentrate used for the pretreatment of new or repiped closed recirculating systems.  The product is designed to passivate and remove deposits of mill scale, oil and grease and other fouling materials prior to placing the system into normal operating conditions.

The product should be dosed at 1 stick per 190L water.  Care should be taken to avoid contact with copper or aluminium at high pH levels

CS24 is available in stick form each weighing 0.362kg.  Sticks are supplied in water soluble bags and packed in outer recyclable cardboard tubes.

Recommended dosing via filter feeder

QSOL CWDISP DISPERSANT

CWDISP is a solid concentrate cooling system general dispersant which assists in the prevention and removal of organic materials and foulants.  The product is designed to supplement cooling system inhibitor/dispersants and biocides to maintain clean surfaces in heat transfer equipment and cooling towers. It also functions as a general corrosion inhibitor and cleaner for heavily fouled systems.  QSOL CWDISP should be used in conjunction with biocides to assist in maintaining a clean system.

Dose 60-120ppm maintenance 2-3 times per week.  Heavily fouled systems should be dosed at 100-200ppm daily until clean.

CWDISP is available in stick form each weighing 0.362kg.  Sticks are supplied in water soluble bags and packed in outer recyclable cardboard tubes.

Recommended dosing via filter feeder.

Stick product in water soluble packing with outer recyclable cardboard tube.
Weight: 0.365kg
Cardboard tube length is 18cm
Diameter: 5.5cm

dispersant