WTC 600 LP / MP

OPERATION OF THE SYSTEM

3.2.5.2Perform flocking test

Auxiliaries:

-Transparent cup, 1 litre with marking at 0.5 litre 6.277-001.0

-Dropping bottle with test solution 6.394-426.0

-Plastic eating spoon.

Work Steps:

1.Measure pH-value of water, has to be between 6 and 9

2.Pour 0.5 Liter raw water into cup

3.Give 10 drops of flocking test solution into spoon

4.Fill flocking test solution into cup, at this stir strongly for 5 seconds

5.Leave cup: flocking has to start within 1 minute and settle significantly.

NOTE If no flockung has start repeat test and change quantity of flocking test solution (first more test solution, if not successful repeat with less test solution).

If analysis is not possible on the spot, take out 2 litres of test solution and store in refrigerator at ca. 4°C until analysis. Cooling maintains cloudiness by suspended matter.

NOTE Shake well before measurement in laboratory.

3.2.5.3Evaluate flocking test

Adjustment of dosing pump flocking means:

-Stroke: 40%

-Frequency: 70%.

The required amount of flocculation agent RM 5001 is then calculated as follows:

-For 50% yield: number of drops x 120 = ml RM 5001 per 10 litres metering solution

-For 75% yield: number of drops x 80 = ml RM 5001 per 10 litres metering solution

Calculation example:

The flocculation test gave 11 drops of flocculation test solution to 500ml up to ideal flocculation, the yield is 75%:

11 drops x 80 = 880 ml RM 5001 per 10 litres of metering solution

Service Handbook 08.2004

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Karcher 600 CD manual Perform flocking test Auxiliaries, Evaluate flocking test

600 CD specifications

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