Description

KEM-FOS-L is a liquid compound containing alkaline mineral salts, sequestering agents and inorganic corrosion inhibitors which provide scale and corrosion inhibition for low pressure boilers.

Application

KEM-FOS-L is suitable for all auxiliary boilers, waste heat units, low-pressure water tube boilers, smoke and water tube boilers, steam/steam generators etc.

Advantages

KEM-FOS-L is a complete boiler water conditioner, inhibits corrosion due to traces of free oxygen in feed water, dissolved hardness salts of Ca and Mg contained in feed water, converts potential hard scale - forming salts to inert, non adhering soft sludge particles which are kept in suspension. The balanced alkalinity supplied by KEM-FOS-L assures the correct environment for the precipitation of hardness salts, the proper conditions to maintain silica in solution the appropriate amount of alkalinity to prevent corrosion.

Usage

For an untreated system an initial dose of 2,5 liters of KEM-FOS-L per 1000 liters of untreated water is recommended. Thereafter the dosage rate of KEM-FOS-L is based on ''P'' alkalinity measured in ppm of CaCO3.

The following chart indicates the appropriate amount of KEM-FOS-L to be added (the mid point value is circled).

''P''Alkalinity ppm CaCO3      0        50     100     150     200    225    250    300    350    400

KEM-FOS-L L/1000 L              2,5     1,9     1,3      0,7      0,2        0        0        0         0      BLD

KEM-FOS-L is best fed continuously to the boiler feed water by means of a metering pump.

The recommended control limits are:

• p-Alkalinity: 200-300 ppm CaCO3.
• Chlorides: 200 ppm Cl max.
• Condensate: pH 8.3-9.0.

Blowdown (BLD) and scumming operations must proceed at regular intervals to remove sludge/sediment particles. Excessive chlorides are removed by blowdown.

The testing equipment to measure bo trol treatment with KEM-FOS- is available from EUROCHEM S.A.

Description

KEMOX – L is a catalysed sodium sulphite in liquid form used mainly in low and medium pressure boilers up to 850 PSI.

Product Uses: KEMOX – L is used as an oxygen scavenger in boiler water treatment, reacting with oxygen to form inert sodium sulphate. The catalyst ensured rapid reaction time so that complete oxygen removal can be achieved. Rapid oxygen removal means minimal corrosion plus extended boiler life.

KEMOX – L may also be used for the removal of chlorine, 4 mls of KEMOX – L removes 1 gr. of free chlorine.

Features and Benefits :

• Concentrated liquid product.
• Protects the boiler from oxygen corrosion.
• Catalysed product for very rapid action.
• Reacts at low temperature.
• Will act as an aid to mechanical desecration.
• Simple control test.

Dosing Method: The recommended initial dosage is 0.15- 0.3 liters per ton of boiler water depending on the boiler pressure and dissolved oxygen. Check the sulfite level and adjust between 10-50 ppm depending on operation pressure and boiler design.

As a guide, 20ppm are required to react with 1 ppm of oxygen. There are several points where the treatment can be dosed. The main point is into the boiler feed water line.

Sample and Testing : A representative sample of boiler water must be obtained, at an interval to be set by experience in the operation of the boiler. For example, this could be daily or every three days ( according to boiler type and pressure ).

The test results indicate the level of treatment in the boiler. If the levels are incorrect, the treatment will have to be adjusted accordingly, with more frequent testing until a steady state is reached. It is important that regular testing is carried out to ensure levels of treatment are correct.

SULFITE : Dosage of KEMOX – L catalysed Sulfite

Description

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Description

ALKALINITY CONTROL is a concentrated alkaline liquid product for corrosion and scale control in boilers.

This treatment is part of Eurochem’s Coordinated Treatment Program.

Alkalinity Control provides the alkaline conditions for Hardness Control to function correctly.

ALKALINITY CONTROL is characterized as a safe food additive in accordance with U.S. regulations FDA (CFR code 173.310 Boiler Water Additives).

Application

ALKALINITY CONTROL is used for all boiler pressures mainly for providing the required alkaline conditions within the boiler for corrosion  control, by neutralization of acid gases and by the establishment of passivating layer (magnetite).

Dosage

The recommended initial dosage is 235-280 mililiters per ton of boiler water depending on the boiler  pressure. Check P-Alkalinity and adjust according to the table below.

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 boiler manufacturer’s specifications or company regulations.

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.

DOSE OF ALKALINITY CONTROL MILLILITERS PER TONNE OF WATER

P-alkalinity test result ppmCaCO3

Note: 225 ml per tonne of water will raise the p-Alkalinity by 100 ppm.

Description

KEM – HARD is a highly soluble, dry powder product used for the reduction of hardness in boilers. It will precipitate calcium hardness as a non – adherent sludge.

KEM HARD is characterized as a safe food additive in accordance with

U.S. regulations FDA (CFR code 173.310 Boiler Water Additives).

Advantages

Economical for use highly active phosphate based compound. Dissolves easily in water for dosing.

Eliminates scale problems due to calcium.

Maintains sludge in a non – adherent state for ease of blow down. Simple test to determine level of treatment.

Can be used for boilers of all pressures.

The alkalinity in the system is not influenced by KEM-HARD.

Usage

KEM – HARD is formulated to form a precipitate with calcium ions, which will not adhere to metal surfaces but are in a form suitable for blowdown.

Dosage

KEM – HARD is used in controlled amounts so that a free phosphate level is maintained in the boiler. This level is determined by the boiler pressure.

Initial dosage is 25-50 gr. per tonne of water and depends on the quality of feed water.

Dosing Method

For best results dose KEM – HARD directly to the boiler via the bypass pot – feeder.

The dry powder should be dissolved in hot water before adding into the boiler.

Ensure is fully dissolved before dosing.

Sample and testing

A representative sample of boiler water should be drawn for analysis daily. The sample should always be taken from the same point after blowdown, cooled and tested immediately.

Maintain phosphate level 10-50 PPM depending on the boiler pressure.

USE 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.

KEM HARD – DOSAGE – GRAMS/TONNE OF WATER

These are recommended values based on experience and are in no way intended to replace the boiler manufacturer’s specifications or company regulations.

Description

LIQUID COAGULANT is a liquid mixture that contains high molecular weight compounds used in both medium and low-pressure boilers for preventing sludge deposits.

Applications

LIQUID COAGULANT is especially useful when feedwater becomes contaminated by oil, or when a high concentration of solids is suspected.

LIQUID COAGULANT coagulates all oil droplets and solids to the low points of the boiler where they are removed by blowdown.

Usage

LIQUID COAGULANT may be added directly to the boiler by means of a by-pass pot feeder or dissolved with other boiler treatment chemicals.

The usual daily dose is about 750 ml for boilers that have a capacity of 10 tons.

Depending on the capacity of the boiler, the dose may be increased or decreased.

It is recommended a daily flash blow down.

It is not necessary to check LIQUID COAGULANT.

Specification

Appearance : Red - dark liquid. Specific gravity : 1.03

Description

CONDENSAMINE is a concentrated liquid neutralizing agent for corrosion control in condensate and feed water systems.

Directions for use :

CONDENSAMINE is a liquid, volatile alkaline amine which neutralizes the acid contaminants of condensate and feed water systems thus preventing the acid corrosion of system components. The most common cause of acid corrosion in condensate and feed water systems is the dissolved carbon dioxide (CO2) being present in the water evaporating. CONDENSAMINE neutralizes these acids and maintains the condensate and feed water in an alkaline condition.

Dosage :

The condensate is tested of pH to determine the dosage level. The minimum pH should be 8.3, the optimum would be between pH 8.3 and 9.0.

A typical dosage for an average 10 metric tone system would be 0,5-1 liter per day.

Below is a chart with the recommended limits for levels of treatments. They are not intended to replace either shipping company instructions or boiler manufacturers policy.

Increase or decrease the recommended dosage according to the chart below: