酒店污水组成比较杂，有厨房污水，客房卫生间污水，冲洗汽车污水，烧锅炉房排放的污水，空调冷却用水，游泳馆循环过滤的废水等等。

酒店污水的成分也非常复杂，ph值较低，ss高，浊度大，有机物含量高如食物纤维，淀粉，脂肪，动植物油脂，洗涤剂等。

生物接触法主要是在池中填充填料，已经充氧的污水经过一定的流速流经填料上的生物膜时会被生物膜上的微生物摄取利用，从而将污水中的污染物去除，使污水得以净化。

聚结过滤法主要是采用亲油疏水性材料，当含油废水通过该材料时，微小的油珠附聚在其表面形成油膜，达到一定的厚度时，在浮力和水流剪力的作用下，脱离滤料表面，形成颗粒比较大的油珠浮升到水面，从而进行油水分离。

电化学法，该方法是电解质溶液在电流的作用下，发生电化学反应时，溶液中的有毒物质在阴阳极发生氧化还原反应，降低为低分子有机物或者直接氧化为CO2和H2O。

The sewage composition of the hotel is quite miscellaneous, including kitchen sewage, guest room toilet sewage, car washing sewage, sewage discharged from the boiler room, air conditioning cooling water, wastewater recycled and filtered in the swimming pool, etc.

The composition of hotel sewage is also very complex, with low pH value, high SS, high turbidity and high content of organic matter, such as food fiber, starch, fat, animal and vegetable oil, detergent and so on.

The biological contact method is mainly to fill the tank with filler. When the oxygenated sewage flows through the biofilm on the filler at a certain flow rate, it will be absorbed and utilized by the microorganisms on the biofilm, so as to remove the pollutants in the sewage and purify the sewage.

Coalescence filtration method mainly adopts lipophilic and hydrophobic materials. When oily wastewater passes through the material, tiny oil beads agglomerate on its surface to form an oil film. When it reaches a certain thickness, under the action of buoyancy and water shear, it separates from the surface of the filter material to form large oil beads floating to the water surface, so as to separate oil and water.

Electrochemical method: when the electrolyte solution is subjected to electrochemical reaction under the action of current, the toxic substances in the solution will undergo redox reaction at the anode and cathode, which will be reduced to low molecular organic matter or directly oxidized to CO2 and H2O.