18-water aluminum sulfate
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Aluminum sulfate can be applied both in the form of thinly ground powder, and in the form of polysiloxane paste. It is convenient for technology registration of process of polymerization according to the continuous scheme.
Aluminum sulfate at the same time increases also conductivity of electrolyte. Besides, this connection like surface - active substances increases the cathode polarization that promotes formation of fine - crystalline deposit.
Aluminum sulfate is previously heated to fusion and secondary hardening; plav crush in pieces (the buckwheat size), and then place in tube.
A12 (S04) 3 - 18H2O aluminum sulphate is applied to cleaning of natural waters of colloid particles which are taken the aluminum hydroxide which is formed at salt hydrolysis.
Aluminum sulfate enough melkozernist both is homogeneous and does not represent difficulties for dry dosing which is especially convenient because corrosion of the pipes giving chemicals in case of wet dosing is excluded. Hydrated lime represents big difficulties, than aluminum sulfate because it hammers nozzle of dry dosers and is hygroscopic. Dry dosing of green vitriol is sometimes connected with difficulties as the amount of water necessary for crystallization depends on temperature and in case of temperature variation the green vitriol which is in the bunker can turn into firm weight.
The aluminum sulfate entered into structure of bathtub considerably increases, besides, the cathode polarization and promotes thereby improvement of quality of rainfall.
A12 (5O4) aluminum sulphate z 18H2O is issued the industry of two grades: cleared and crude. The last depending on the raw materials applied by its production carries the name coagulant.
Aluminum sulfate, or aluminum sulfate, A18 (SO4) 3 - 18H2O - crystal colourless salt, readily soluble in water. [8]
Aluminum sulfate or aluminum potassium alum carry out role of the buffer connections promoting stabilization of hydrogen ionization value (acidity) of electrolyte. Aluminum sulfates also increase the cathode polarization and consequently, and the disseminating ability. In the presence of aluminum salts zinc coatings always turn out lighter.