Traditional Culture Encyclopedia - Hotel reservation - How is the sewage in the hotel treated?

How is the sewage in the hotel treated?

Hotel catering wastewater has complex composition and high organic content, mainly food fiber! Starch! Veterinarians! Animal and vegetable oil! All kinds of condiments! Detergent and protein, etc. According to Guangzhou, a developed area in China! The detection results of restaurant wastewater in Shanghai and other places show that BOD5 is 200~300mg/L, CODcr is 300 ~ 500mg/L, SS is 200 ~ 300mg/L, oil is 150~42 1mg/L, and the average value of ammonia nitrogen is 6 ~ 50mg/L. Therefore, the treatment task of catering wastewater is mainly to remove grease! Organic matter and suspended matter. According to the characteristics of catering wastewater, the standard design of "Water Quality of Urban Miscellaneous Water for Reuse of Urban Sewage" (GB/T 18920-2002) shows that the effluent meets or exceeds the national standards for miscellaneous water. The effluent can be reused for hotel landscape water, hotel green space irrigation water, road cleaning water, car washing water and fire pool replenishment water.

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