Knowde Enhanced TDS
Identification & Functionality
- Technologies
- Product Families
- Inhibited Acid
Hydrochloric acid
Features & Benefits
- Ready-to-Use Product Features
- Advantages
Chemical removal of scale, water scale, rust deposits and other coatings in apparatus and operating equipment.
- Advantages of LITHSOLVENT Cleaning Concentrates
LITHSOLVENT cleaners are intended for customers who do not have the option to prepare their own cleaning solutions. Generally, they are inhibited methanesulfonic, formic, hydrochloric, amidosulfonic, citric and phosphoric acids, formulated for different cleaning temperatures and materials.
- Product Highlights
- Effective at temperatures up to 90°C.
- Does not affect the dissolution of incrustations and deposits.
- Easily dissolves deposits of calcium carbonate (so-called scale and water scale) and weak rust deposits. Gypsum (calcium sulfate), silicates, thick layers of rust and calcium phosphate are difficult to dissolve.
Applications & Uses
- Markets
- Applications
- Applications
- LITHSOLVENT Cleaner 703 is used to dissolve boiler scales, incrustations, rust deposits and other scales at temperatures up to max. 60°C. Special inhibitors contained in the product ensure the protection of metallic materials against acid attacks.
- The following kinds of metal are protected: iron, steels, chromium and CrNi steels as well as alloys on copper basis.
- The protection is not sufficient for zinc and aluminum. For cast iron a temperature of 30°C should not be exceeded.
- For zinc we supply the quality LITHSOLVENT Cleaner 702 when using formic acid, in case of phosphoric acid LITHSOLVENT cleaner 707.
- The composition of scales may differ according to the circumstances. Calcium carbonate (so called boiler scale or incrustation) and also light rust easily dissolve. Gypsum (calcium sulfate), silicates, thick rust layers and calcium phosphate are difficult to dissolve.
- Addition and Dosing
- Dependent on the quantity of scale to be removed the dilution ratio varies from 1 : 3 to 1 : 10. To dissolve 1 kg boiler scale on average 2 kg LITHSOLVENT Cleaner 703 is required.
- For scales mainly consisting of carbonate the cleaning process is completed when the gas formation (carbonic acid) has stopped. Due to the gas formation the installations and rooms have always to be well aerated.
- The duration of an acidification should not exceed 6 hours. In case there are still residual scales after the treatment, the acidification has to be repeated, if necessary.
- After acidification the object has to be carefully rinsed whereby loose sludge is removed, too. Finally, it is recommended to neutralize with a 1 % sodium carbonate or caustic soda solution at ambient temperature or slight heating. Duration: 1 - 2 hours.
- Areas of Application
Apparatus and operating equipment.
- Coverings
Inorganic scale such as calcium carbonate, calcium oxalate, silicates, occasionally phosphates, aconates, citrates, depending on water use, also sulfates or organic coatings.
- Examples / Best Practice
Inhibited stem acid
- Protection Applications
Protects the following materials up to 60°C temperature range
- Iron
- Steels
- Chromium and chromium-nickel steels
- Copper based alloys
- Cast iron up to max. 30°C.
- Remove / Protect Coatings
Calcium carbonate, weak rust coatings (easily soluble), calcium sulfate, silicates, thick rust coatings and calium phosphate (hardly soluble).
Properties
- Appearance
- Reddish liquid (inhibited hydrochloric acid)
- Miscible in
- Water
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Temperature | max. 80 | °C | - |
| Mixing Ratio (of the Highly concentrated cleaner to be used, depending on the amount of scale to be removed) | 1:3 - 1:10 | - | - |
| pH Value (10 g/l water) | approx. 1 | - | - |
Technical Details & Test Data
- Operating Temperature
60 °C
Packaging & Availability
- Packing
- 30 kg cans
- 200 kg barrels
- 1,000 kg containers
Storage & Handling
- Shelf Life
- 2 Years
- Storage
In closed original packages LITHSOLVENT Cleaner 703 is storable for at least 2 years. Protect from freezing.