Wastewater Ph Value; Slurry Disposal - Storch Color Free Bedienungsanleitung

11. Wastewater pH value

11.1. Influence of the pH value on the treatment performance of the separating system
Chemical separation (reaction) by admixing STORCH separating agent assumes that the wastewater has a pH value
between 6.5 and 9.0, i.e., that it is neutral from a wastewater technology point of view. This value also represents the
legally permissible disposal limits.
Decorating wastewater normally fulfils this condition. If the pH value of the wastewater differs greatly from this, legal-
ly compliant treatment performance by the separating plant is not warranted. Always note this when working with
acids and brines.
11.2. pH limits/wastewater regulations
The pH value of the wastewater discharged into the sewage system must not have a pH value below 6.5
and must not have a pH value above 9.0, that is, it must be "neutral" in terms of wastewater technology.
pH 6.5: lower pH limit
pH 9.0: upper pH limit
11.3. Measuring and checking the pH value
The pH value is determined colorimetrically using pH indicator paper dosed with colour indicators. After immersing the
strip in the solution to be tested, the colour changes and can be compared with a colour scale to read off the pH value.
Indicator papers are not suitable for precise measurements. However, they are sufficiently accurate for daily work and
fast tests on site.

12. Slurry disposal

Wastewater treatment produces the following residual materials: separating agent sludge from wastewater treatment
You must dispose of these residues in line with your local authority's regulations on disposal of waste in
the decorating industry.
Warranty
Warranty conditions:
A warranty period of twelve months from the date of purchase/date of invoice applies to our tools for commercial
customers. If we have granted an extended warranty period, this period will be noted separately in the operating
manual for the equipment in question.
Claims:
If you wish to claim under our warranty or guarantee, please return the complete device and your invoice to our
logistics centre in Berka, postage paid, or send it to one of our authorised service centres.
Please contact the chargeable STORCH service hotline first: +49 (0)202 . 49 20 – 110.
Your rights under our warranty or guarantee:
Claims can only be accepted for material defects or manufacturing errors, and only assuming intended use of the appli-
ance. Wear parts are not covered by such claims. All claims shall become void in the event of installation of third party
components, improper handling and storage, as well as in the event of obvious disregard of the operating instructions.
Repairs:
All repairs have to be conducted on our premises or by an authorised STORCH service centre.
Translation of the original instruction 60