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Introduction And Process Of Hotel Catering Wastewater Treatment

  Introduction and Process of Hotel Catering Wastewater Treatment

  The following are the same as the "

  There are several ways to define the definition of food and beverage waste: one refers to the food and beverage industry and the dining room and the production of waste residue and waste, there is a saying that restaurants, Wastewater Treatment hotels and other food industry emissions of oil.潲 water, including rice water, rice soup, leftovers, fishbone, bone residue, melon and so on. According to statistics, only more than 100 large and medium-sized city catering industry, the daily amount of waste water is close to 300 million t, if not dealt with will cause great pollution.

  First, the characteristics of food waste

  The main components of food and beverage waste are the remaining food and water, starch, food fiber, animal fat and other organic matter as the main component, with high nutritional content, high water content, Wastewater Treatment high levels of grease and salt, perishable fermented odor The If you collect it together with the garbage collection, transportation and disposal, will seriously affect the city environment and residential life, will also affect the final disposal of domestic waste effect. In addition, the food waste contains a lot of organic matter, its nutrition is comprehensive and rich, as long as the appropriate treatment technology, you can make food and beverage waste to be fully "resource" use.

  Second, the treatment of food waste water

  There are two ways to deal with food waste:

  ① the use of chemical reactions, by adding chemical substances in the waste water in the decomposition of organic matter, Wastewater Treatment and then buried treatment. The advantage of this method is simple, efficient, the disadvantage is that a large number of useful waste material waste material waste, and it is likely to cause secondary pollution.

  ② the food waste

  Water through a series of treatment processes into organic fertilizer for agricultural production. This method is consistent with the harmless, reduced, resource-oriented approach, the shortcomings of high processing costs, Wastewater Treatment long production cycle, economic efficiency is not obvious. At present, the second method is used for the treatment of food and beverage waste water. After the collection of food waste water to go through the first solid-liquid separation. For the liquid part of the first oil and water separation, separation of waste oil recycling, water and then follow-up treatment. As the organic content of food and beverage wastewater is high, the solid part of solid-liquid separation is composted. Composting products are generally used as organic fertilizer for agricultural production.

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