title: [Investigation and countermeasures analysis of catering waste in southern city in China].
abstract: To find out a suitable way for catering food waste treatment, the waste characteristics from Chinese restaurant, Chinese canteen and western-style canteen in 4 seasons have been investigated. The results showed the average moisture content of the food waste was more than 60%, with more than 87% of VS/TS and the pH range of 4.64-6.98. The contents of organic components were high, the contents of fat and protein and carbohydrate were 16.98% - 38.92%, 6.58% - 11.65% and 46.27% - 68.28%, respectively. It implied the food waste could be easily bio-degraded. The salt content was 0.69% - 2.44%, with total P content of 0.13% - 0.30%. It suggested high content of salt could limit the efficiency of bio-degradation. Based on all above characteristics, separated collection and two-phase anaerobic digestion were considered to be a suitable ways for catering food waste treatment.
authors.affiliation: College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China. xudong5588@163.com
authors.forename: Dong
authors.initials: D
authors.lastname: Xu
authors.forename: Dong-Sheng
authors.initials: DS
authors.lastname: Shen
authors.forename: Hua-Jun
authors.initials: HJ
authors.lastname: Feng
authors.forename: Mei-Zhen
authors.initials: MZ
authors.lastname: Wang
authors.forename: You-Hua
authors.initials: YH
authors.lastname: Deng
mesh_terms: D000693:Anaerobiosis; D019149:Bioreactors; D002681:China; D004787:Environmental Pollution / Q000517:prevention & control; D005502:Food; D012037:Refuse Disposal / Q000379:methods*; D012147:Restaurants