Alkalinity Controller

Alkalinity Controller

ALKALINITY CONTROLLER is a concentrated alkaline treatment for pH control in ship boilers.

How does it work?
ALKALINITY CONTROLLER should be used as part of a coordinated treatment programme in conjunction with other AQUAMARINE B.W.T. products.
ALKALINITY CONTROLLER provides the alkaline conditions that allows HARDNESS/PHOSPHATE CONTROL to operate effectively. This is done by neutralising any acidic conditions and maintaining alkalinity within optimum limits.
The product is suitable for use with all boiler pressures.

Results of use
ALKALINITY CONTROLLER helps to keep magnesium and calcium salts in suspension
and helps in maintaining efficiency and reducing maintenance.

Dosing and Sampling
• For optimum results dose directly into the boiler via the bypass pot feeder installed in the boiler water feed line.
• A representative sample of boiler water must be taken at regular intervals (daily or every 3 days), at a frequency adequate for the type of boiler. The sample should be taken immediately following blow down and should be analysed immediately.
• Follow the AQUAMARINE test kit instructions and record the results on the log sheets provided by AQUAMARINE. These should be returned monthly for review by AQUAMARINE CHEMICALS.
• The results indicate the level of P Alkalinity in the boiler. Use the dosage chart below to adjust the levels of treatment required. USING THE TABLE: Select the section corresponding to the pressure of the boiler to be treated and read across the table to obtain the level of treatment required.

boiler- alkalinity-control

USING THE TABLE:  Select the section corresponding to the pressure of the boiler to be treated and read across the table to obtain the level of treatment required.

Normally: 0.18 litre/tonne of ALKALINITY CONTROLLER will raise PAlkalinity by 100 p.p.m. Proper treatment should normally give a pH between 9.5 and 11. These are recommended limits for levels of treatment. They are not intended to replace either shipping company instructions or boiler manufacturer’s policy.

Summary – ALKALINITY CONTROLLER is a part of a coordinated programme of Boiler Water Treatment yielding the basic alkalinity upon which successful boiler water treatment depends.
NSN J100-6810-99-513-9403 Product Ref. 0057

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Aquamarine Ship Chemical products for Merchant, Cruise, Military, Ferries, Ro-Ro, Tankers, Dry Cargo, Offshore and the Marine Industry UK with global reach.

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