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The electrodialysis process is a combination of electrochemical processes and dialysis diffusion processes. In addition to the DC electric field driven by the use of ion exchange membrane selective permeability (That is, the cation can pass through the cation exchange membrane, the anion can pass through the anion exchange membrane). The cations and cations move to the anode and cathode, respectively. In the process of ion transport, if the fixed charge of the membrane is opposite to the charge of the ion, the ions can pass; If their charges are the same, the ions are repelled, so as to achieve the purpose of desalination, concentration, purification or purification.
Electrodialysis experimental equipment features:
l Easy to use technology with practical and beautiful appearance;
l Easy to install and use;
l Equipment operation is convenient and stable;
l System operating pressure is low, low energy consumption;
l No heating and pressing;
l No need to add chemical substances;
l Compact structure, small size, small footprint;
l Reliable experimental parameters, which can be used as an industrial design reference; and
l Brand products with excellent quality.
Diaphragm and accessories features:
l Convenient membrane replacement;
l Chemical structure uniform;
l Good electrochemical performance;
l Strong anti-pollution film; Membrane for life-long use;
l Small film resistance and low energy consumption; and
l Selection of accessories are standard products with universal components.
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Electrodialysis laboratory equipment |
Model：GCM-E-10 |
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Basic performance parameters |
Processing material requirements |
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Film specifications |
10 pairs of films |
Liquid temperature |
5-45°C |
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DC power supply |
DC 34V/3A |
Acid |
<12% |
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Flow control |
0-1L/min |
Alkali |
<3% |
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Pressure monitoring |
0-0.4MPa |
SS |
<5 |
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Electrode |
Titanium ruthenium Iridium/Titanium coated tantalum |
Size |
400×600×600mm |
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Typical application:
l RO concentrated water recovery desalination;
l Boiler feed water primary softening desalination;
l Acid cleaning metal surface formed by the waste liquid to recover acid and metal;
l Electroplating wastewater recovery of heavy metal ions;
l Synthetic fiber wastewater to recover sulfate;
l Recovery of sulfite in pulp waste;
l Milk desalination system for infant formula;
l Separation of ionic and nonionic substances;
l Seawater concentration salt;
l Dairy products refined;
l Material salt removal purification;
l Amino acid desalination;
l Soybean oligosaccharides desalted;
l Electroplating wastewater recycling; and
l Organic acid preparation.
l Preparation of alkali