Centrifugal extraction machine extract process of heavy metals in sulfuric acid leach liquor is introduced
In iron and steel production enterprises, the stainless steel production process will produce a large number of pickling sludge, the sludge contains a high concentration of Fe3 +, Cr3, + and Ni2 + valuable metal ions, etc.
A large amount of sludge is not handled in time, will seriously affect the normal production of the enterprise, at the same time, it will cause the waste of resources.
by long-term experiments found that sludge should be pickling, by sulfuric acid leaching solution, but the leaching liquid acid, still need to adopt solvent extraction separation recovery of valuable metals in the leachate, improve the purity of the metal.
Zhengzhou days. cwl - extraction research and development production
M type centrifugal extraction machine is using the solvent extraction method, for the raw material in organic phase of extraction and separation, extraction of high efficiency, simple operation, low power consumption, can be continuous production, has been widely used in many fields.
in the process of the experiment, found that using the saponification P204 and saponification P204 extraction agent for sulfuric acid leaching liquid extraction, the extraction effect is different.
a, saponification extracting experiment
first will be generated in production of stainless steel pickling sludge in sulfuric acid leaching, the sulfuric acid leaching solution, choice of saponification extracting agent, and USES the. cwl -
M type centrifugal extraction machine for extraction.
Sulfuric acid leaching liquid to PH adjustment, and then according to certain proportion to the saponification P204 extraction solvent and sulfuric acid leaching liquid injection machine, centrifugal extraction liquid and solvent extraction agent on the drum mixing and mass transfer under the action of shear force;
Mixture through the drum under the action of centrifugal force produced by the high speed rapid separation, after the separation of organic facies extraction liquid through each phase outlet, complete extraction process.
2, saponification extracting experiment
in the saponification extraction experiments, also need to pickling sludge in sulfuric acid leaching, leaching liquid to adjust PH value, then saponification P204 extraction solvent and sulfuric acid leaching liquid injection machine, centrifugal extraction in proportion by the mixture of two phase fluid mass transfer and separating the back out of the body, to complete the extraction separation process.
proved through the experiment, the different extraction solvent for fluid extraction effects of different raw materials, in practical applications, the need to be done according to the requirements of the extract characteristic and extraction to choose the appropriate extraction solvent and extraction equipment.
Zhengzhou days extraction research and development production of centrifugal extraction machine has different models to choose from, the customer according to the capacity of the extract and when buy material system to choose to buy!
related extraction equipment figure:
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