杨煜强,王坤,黄焕林,殷峻,沈东升,龙於洋,邵晓周,王静.基于生活垃圾分类的厨余垃圾采样方法研究[J].环境科学学报,2015,35(2):570-575
基于生活垃圾分类的厨余垃圾采样方法研究
- Kitchen waste sampling method based on domestic waste classification
- 基金项目：国家自然科学基金(No.41101453);浙江省自然科学基金(No.LY14D010001)
- 杨煜强
- 1. 浙江省固体废物处理与资源化重点实验室, 浙江工商大学环境科学与工程学院, 杭州 310012;2. 浙江蓝图环保有限公司, 杭州 310014
- 王坤
- 浙江省固体废物处理与资源化重点实验室, 浙江工商大学环境科学与工程学院, 杭州 310012
- 黄焕林
- 浙江省固体废物处理与资源化重点实验室, 浙江工商大学环境科学与工程学院, 杭州 310012
- 殷峻
- 浙江省固体废物处理与资源化重点实验室, 浙江工商大学环境科学与工程学院, 杭州 310012
- 沈东升
- 浙江省固体废物处理与资源化重点实验室, 浙江工商大学环境科学与工程学院, 杭州 310012
- 龙於洋
- 浙江省固体废物处理与资源化重点实验室, 浙江工商大学环境科学与工程学院, 杭州 310012
- 摘要：与复杂的混合生活垃圾相比,厨余垃圾成分较单一,需要针对性的采样方法.本研究基于生活垃圾分类背景,在《生活垃圾采样和分析方法》(CJ/T 313-2009)的基础上,就采样位点和采样节点数对分类存放的厨余垃圾采样的影响展开研究.研究结果表明,仅采集垃圾桶中间位点的样品不具有代表性,不同情景应有不同的采样策略.当厨余垃圾流节点数少于2时需采集所有节点,当厨余垃圾流节点数为3~7时需采集2个节点,而当厨余垃圾节点数为8~18时需采集3个节点,均少于CJ/T 313-2009中要求的采样节点数. 厨余垃圾的总量增大,则其最少采样节点数相应上升,但最少采样点受到厨余垃圾流节点数的制约.
- Abstract：Compared with the complicated mixed domestic waste, kitchen waste needs a designated sampling method due to its single composition. Based on the background of domestic waste classification and the standard sampling and analysis methods for domestic waste (CJ/T 313-2009), this study was carried out to investigate the effect of sampling points and positions on the classified kitchen waste's nature. It is indicated that the sample only from the middle position of container is not representative, and sampling strategy should differ with the kitchen waste points. Namely, all points should be sampled when the kitchen waste is no more than two, only two points should be sampled when it is 3 to 7, while three points must be sampled when it is 8 to 18. The sampling points are obviously less than the same scenarios defined in CJ/T 313-2009. The minimal sampling points increases with the increasing of kitchen waste amount, but the sampling position still depends on the sampling points.
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