How aluminium sulphate is electronically injected into colouring

Feb 27, 2025

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Aluminium sulfate may be used in the printing and dyeing industry, and this needs to be coloured. At present, the more common colouring method is generally to be electronically injected into the colouring. The efficiency of using this method is also relatively high, but the operation may be incorrect, and the effect is also different. The following will explain how electronically injected colouring works.

1. In an environment where the temperature is about room temperature and at high voltage, the electroinjection colouring operation can be used. A variety of chemical groups tend to be produced within the coloured crystals. Through the measurement and analysis of absorption spectroscopy of the coloured crystals, the formation and conversion mechanism of chemical groups was proposed. Through the measured current time curves, the formation process and mechanism of each chemical group are further explained.

2. A large amount of SO3, SO2 and O3 – chemical groups and trace charged chemical groups and electrons will be produced when spot current injection is used. Aluminium sulfate can be successfully electro-injected and coloured, mainly due to its just right electrical injection temperature, voltage, and electrical injection time, and the unique graphite particle positive array in the experimental setup.

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