Method for reclaiming saponifying abietyl from industrial waste water and device thereof
A technology for saponifying rosin and industrial wastewater, which is applied in textile industrial wastewater treatment, chemical instruments and methods, separation methods, etc., and can solve problems such as rosin supply shortage, industry development threat, and environmental pollution
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[0012]As shown in the figure, the recovery method of saponified rosin in industrial wastewater is to remove the anti-dyeing wax on the batik cloth with caustic soda, and then there will be a large amount of saponified rosin in the wastewater, and the wastewater containing a large amount of saponified rosin will be collected and stored. In the neutralization and separation device, adjust the acid demand for the neutralization reaction by adjusting the PH meter to monitor the pH value of the batik wastewater. Rosin suspended particles, and then the rosin suspended particles are sent to a high-temperature furnace for refining and filtration to remove impurities and moisture. Based on this, one or more cycles of high-temperature refining can be carried out until the rosin is purified and reused. From the experiments in the table below, it can be concluded that when the pH value of batik wastewater is below 6, the separation and extraction of rosin tends to be basically stable; in a...
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