Method of and apparatus for treating chlorine-containing waste
The invention provides a method for the disposal of chlorine-containing waste which can separate and recover chlorine components from chlorine-containing waste and which attains high chlorine removal efficiency, formation of high-purity chlorine compounds, and reduction in the water consumption for...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a method for the disposal of chlorine-containing waste which can separate and recover chlorine components from chlorine-containing waste and which attains high chlorine removal efficiency, formation of high-purity chlorine compounds, and reduction in the water consumption for the recovery of chlorine; and equipment for the disposal thereof. The method is characterized by comprising the water-washing and filtration step of separating a slurry containing chlorine-containing waste and water into a solid matter and a filtrate and recycling the solid matter as raw material for cement, the filtration step of adding a reducing agent and a pH regulator to the filtrate to form a precipitate containing heavy metals and calcium and separating the precipitate by filtration, the crystallization step of concentrating the obtained filtrate under heating through evaporation to form a slurry containing crystals of chlorine compounds, separating this slurry into a solid matter containing chlorine compoun |
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