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To evaluate the feasibility of ultrasonic regeneration of granular activated carbon (GAC) used in wastewater treatment, we used ultrasound to regenerate GAC which was used to adsorbed low concentration sewage. The ultrasound with different power, frequency and irradiation time was used to regenerate GAC which treated sewage with the concentration of about 25mg/L. The experimental results indicate...
Considering the characteristics of the domestic sewage at the small stations in the Qinghai-Tibet railway and using the abundant solar radiant heat on the Qinghai-Tibet plateau, the ecological greenhouse is established, which could constitute a small semi-closed artificial environment suited normal sewage biological treatment under the atrocious natural condition of the Qinghai-Tibet plateau. It could...
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