Sodium Lignosulphonate is used as a scale inhibitor CAS 8061-51-6
Sodium Lignonsulphonate :
Lignosulfonate has good dispersibility and chelation ability, and can be used as scale inhibitor (scale inhibitor). Large-scale disperse scale inhibitor has abundant raw material sources, non-toxic, biodegradable, cheap, and its molecular structure is diversified, easy to be made into special function of water treatment agent, is a kind of water treatment agent worthy of promotion and development.
The acrylic graft copolymer of lignesulfonate can not only adsorb grains, change the force between grains, but also may be attached to the contact surface of equipment and pipes, forming an adsorption layer, adsorption layer through the electrostatic repulsion between grains, prevent the deposition of grains on the contact surface, even if the grains grow and gather as sediments, also due to the electrostatic repulsion effect, Not in close contact with the contact surface, such deposits can only form loose, non-adhesive deposits that are easily agitated and washed away by running water. Scanning electron microscope results show that the copolymer can not only form stable chelate with Ca2+ in water, but also chelate with Ca2+ on the interface of calcium carbonate crystal. The chelate formed occupies the crystal lattice position of normal growth, causing lattice distortion and becoming a form of soft scale, which is not easy to deposit.
| NO | Index items | Standard value | Test Results |
| 1 | Appearance | Yellow Brown powder | Meets the requirement |
| 2 | PH Value(1% soluble) | 7-9 | 8.8 |
| 3 | Dry matter | 93%min | 93.50 |
| 3 | Moisture | 7.0%max | 6.5 |
| 4 | lignosulphonate | 60%min | 61.40 |
| 5 | Total reducing matter | 3.0% max | 2.5 |
| 6 | Inorganic salt (Na₂SO₄) | 2.0%max | 0.5 |
| 7 | Water insoluble matter | 2.0%max | 1.85 |
| 8 | Calcium Magnesium General quantity | 0.5%max | 0.25 |
| 9 | Viscosity(20% aqueous solution 18-20℃) | 7-10 | 8.7 |
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Non Toxic Sodium Lignosulphonate Scale Inhibitor Water Treatment Agent CAS 8061-51-6 Images
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