White carbon black production high-silicon wastewater zero discharge process and system thereof
The invention relates to a wastewater treatment process, in particular to a white carbon black production high-silicon wastewater zero discharge process. The method comprises the following steps: 1) removing ionic silicon and colloidal silicon in high-silicon wastewater with the pH value of 7.5-8.5...
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| creator | CHEN WEI SHENG FAN FU LIDE FANG SHUPENG |
| description | The invention relates to a wastewater treatment process, in particular to a white carbon black production high-silicon wastewater zero discharge process. The method comprises the following steps: 1) removing ionic silicon and colloidal silicon in high-silicon wastewater with the pH value of 7.5-8.5 by adopting an electric flocculation method to obtain primary treatment wastewater; 2) treating theprimary treatment wastewater by adopting a silicon removal agent and a coagulant aid to obtain secondary treatment wastewater; 3) treating the secondary treatment wastewater by using an IMF ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane in sequence to obtain clear water. The invention discloses a zero-discharge system for high-silicon wastewater in white carbonblack production. The zero-discharge system is characterized by comprising an electrochemical device, an efficient separator, an IMF ultrafiltration membrane pool, an ultrafiltration water productiontank, a nanofiltration devi |
| format | Patent |
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The method comprises the following steps: 1) removing ionic silicon and colloidal silicon in high-silicon wastewater with the pH value of 7.5-8.5 by adopting an electric flocculation method to obtain primary treatment wastewater; 2) treating theprimary treatment wastewater by adopting a silicon removal agent and a coagulant aid to obtain secondary treatment wastewater; 3) treating the secondary treatment wastewater by using an IMF ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane in sequence to obtain clear water. The invention discloses a zero-discharge system for high-silicon wastewater in white carbonblack production. 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| subjects | CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM INORGANIC CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | White carbon black production high-silicon wastewater zero discharge process and system thereof |
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