浅析城市生活垃圾分类回收

城市生活垃圾分类回收有别于混合收集,是垃圾收集的一种新趋势.结合我国垃圾的特点,阐明了当前垃圾分类收集的现状,并指出了我国垃圾分类回收的意义;根据当前垃圾收集存在的问题,提出了一些具体化的对策.通过垃圾的分类回收,减少了垃圾的最终处置量,提高垃圾资源化率.     

城市生活垃圾分类体系建设实践及启示

生活垃圾分类处理是一个庞大的系统工程,由很多个子系统构成。在诸多的子系统中,我们需要将其中起主要作用的系统组合起来,有效推动生活垃圾分类有组织、有保障地进行。介绍了城市生活垃圾分类体系建设的基本内容和关键点,以及构建垃圾分类全流程体系的探索实践,从构建组织领导、长效管理和分类保障等3方面机制提出启示建议。     

日本城市废弃物处理和综合利用技术简介

应日本新技术促进机构邀请,对日本城市废弃物处理和综合利用技术进行考察.简要介绍日本新技术促进机构以及日本企业对于城市垃圾、废塑料和电子废弃物的处置和再利用技术,为中日再生资源行业深入合作,推动我国再生资源行业技术发展提供借鉴.     

特大城市生活垃圾分类的效益分析

分析了生活垃圾的主要成分,构建了垃圾分类的效益模型,以北京2011—2013年垃圾处理情况为数据来源,对"混合收集+填埋"和"分类收集+综合处理"两种方案进行了比较,为决策者提供更明晰、准确的决策信息。     

对中国城市生活垃圾分类的思考及建议

城市生活垃圾已成为许多城市当前面临的极为严峻的问题,而城市生活垃圾的分类是实现垃圾减量化、无害化、资源化的基础。主要针对中国目前多数城市未进行垃圾分类的现状进行分析,并就实行垃圾分类提出建议。     

关于生活垃圾分类的市场化研究

生活垃圾分类是改善生态环境,提升居民文明素养的有效平台,开展生活垃圾分类具有深远意义。对生活垃圾分类收集市场产业化运作模式进行了分析,以问题为导向,建立统筹谋划,靶向失策,系统改革的工作思路,对城市开展生活垃圾分类收集市场化发展提供了理论依据。     

城市生活垃圾分类政策执行中的问题与对策分析

随着城镇化进程的持续加快,全国各地生活垃圾产量持续走向新高,且依旧呈现上升的趋势,各地生活垃圾末端处理压力巨大。此外,随着生活水平的不断提高,市民普遍对周边生活环境的质量有了更高的需求,促使政府必须构建更加完善的城市生活垃圾治理系统。生活垃圾分类处理被视为解决生活垃圾污染环境、促进生活垃圾资源化利用的关键之举,在我国已有几十年的发展历程,但始终没有取得良好的效果,究其原因,政策工具的选择及其执行过程是关键因素。为此,以我国政策工具视角出发,对现行政策工具进行了梳理,系统分析了我国垃圾分类政策工具及政策执行过程中存在的问题,并提出针对性解决对策,对构建城市生活垃圾分类管理新模式,促进生活垃圾减量和资源回收是非常有必要的。     

广州市生活垃圾分类体系现状及对策研究

梳理了我国城市生活垃圾分类体系的发展和价值取向的转变。在对广州市生活垃圾的组分、回收再利用率和再处理情况进行分析的基础上,对推动广州市生活垃圾分类体系发展提出了明确环保价值取向,以有机易腐垃圾分类体系发展(尤其是废弃生鲜农产品)为重点,确立有机易腐垃圾分类体系的公益地位,推行有机易腐垃圾分类激励机制的对策。     

广州市生活垃圾分类收集跟踪调查及分析

通过对广州市八个生活垃圾分类收集示范点的调研,指出了当前推广垃圾分类收集工作中尚存在的问题,并提出解决的对策.     

The changing character of household waste in the Czech Republic between 1999 and 2009 as a function of home heating methods

The authors of this paper report on the changing character of household waste, in the Czech Republic between 1999 and 2009 in households differentiated by their heating methods. The data presented are the result of two projects, financed by the Czech Ministry of Environment, which were undertaken during this time period with the aim of focusing on the waste characterisation and complete analysis of the physicochemical properties of the household waste. In the Czech Republic, the composition of household waste varies significantly between different types of households based on the methods of home heating employed. For the purposes of these studies, the types of homes were divided into three categories – urban, mixed and rural. Some of the biggest differences were found in the quantities of certain subsample categories, especially fine residue (matter smaller than 20 mm), between urban households with central heating and rural households that primarily employ solid fuel such coal or wood. The use of these solid fuels increases the fraction of the finer categories because of the higher presence of ash. Heating values of the residual household waste from the three categories varied very significantly, ranging from 6.8 MJ/kg to 14.2 MJ/kg in 1999 and from 6.8 MJ/kg to 10.5 MJ/kg in 2009 depending on the type of household and season. The same factors affect moisture of residual household waste which varied from 23.2% to 33.3%. The chemical parameters also varied significantly, especially in the quantities of Tl, As, Cr, Zn, Fe and Mn, which were higher in rural households. Because knowledge about the properties of household waste, as well as its physicochemical characteristics, is very important not only for future waste management, but also for the prediction of the behaviour and influence of the waste on the environment as the country continues to streamline its legislation to the European Union’s solid waste mandates, the results of these studies were employed by the Czech Ministry of Environment to optimise the national waste management strategy.