基于垃圾预处理的城市生活垃圾资源化技术研究

分析了国内外近期生活垃圾资源化技术的处理模式和存在的缺点 ,提出了我国城市生活垃圾资源化的有效途径是加强对垃圾的预处理 ,并详细介绍了几种基于垃圾预处理的城市生活垃圾资源化技术     

基于垃圾预处理的城市生活垃圾资源化技术研究

分析了国内外近期生活垃圾资源化技术的处理模式和存在的缺点,提出了我国城市生活垃圾资源化的有效途径是加强对垃圾的预处理,并详细介绍了几种基于垃圾预处理的城市生活垃圾资源化技术.     

生活垃圾立式双回路热解炉的技术特点

介绍针对生活垃圾而研制成功的生活垃圾立式双回路热解炉的技术特点。该炉采用先进的焚烧技术,实现了无害化、减量化和资源化处理垃圾。     

垃圾焚烧技术的现状及发展前景

随着城市生活垃圾逐年不断递增，生活垃圾不能及时处理已成为一大公害，而垃圾焚烧处理是实现垃圾无害化、减量化和资源化的最有效的手段。本文阐述了国内外垃圾焚烧技术及应用的现状和未来发展的前景。     

生活垃圾综合处理系统研究

根据我国生活垃圾的现状和处理方式,指出没有一种方法能够独立地实现垃圾资源化、无害化、减量化的总目标.因而提出了生活垃圾综合处理系统,并就垃圾的分类收集、垃圾量预测和垃圾处理新技术三个方面作详细介绍.     

有机生活垃圾高温干式厌氧处理技术探讨

分析了城市生活垃圾厌氧消化的基本原理和高温干式厌氧消化工艺，温度对干式厌氧消化的影响，随着固含率的升高，中低温已不能满足厌氧消化的要求。对城市生活垃圾的湿式／干式厌氧消化工艺进行了比较，同时介绍了干式厌氧消化／好氧堆肥工艺。厌氧生物处理技术是进行城市生活垃圾的无害化、减量化、资源化处理，实现垃圾循环利用的较好的方法。     

国外垃圾发电技术及开发现状

日本、美国在处理城市垃圾及厂家生产过程中丢弃的废料垃圾时，既保护了环境，又利用垃圾中的能源进行发电。目前的垃圾发电方式主要有一般垃圾发电、RDF发电和MEET综合发电3种。我国城市垃圾的有效处理己迫在眉睫，应借鉴国外先进技术、设备与管理经验，加快我国垃圾处理与资源化进程。     

利用城市垃圾生产环保节能型建材的技术和对策

从城市垃圾减量化、无害化、资源化处理着手，研究利用城市垃圾生产环保节能型建材的途径和方法，总结了成功的生产技术，分析了产生的社会、环境效益，并对推广应用这一新技术提出对策建议，以期实现垃圾无害化、资源化处理和环保节能型建材发展的“双赢”。     

餐厨垃圾处理技术研究

综述了餐厨垃圾的主要特征。从能源可持续发展和资源化利用的角度,重点介绍了物理法处理、好养堆肥、厌氧发酵和饲料化处理等技术的原理和优缺点。介绍餐厨垃圾资源化利用的研究进展,提出资源化处理的技术瓶颈。     

全球垃圾能的燃烧利用和我国的发展

垃圾危害令人关注，垃圾热值却有吸收力。本文综合介绍了世界各国的垃圾发电，了展示了我国垃圾能源化，资源化前景。城市生活垃圾将成为一各新能源造福人类。     

上海市生活垃圾处理问题的系统动力学分析

与日俱增的人口产生了越来越多的生活垃圾.面对垃圾围城的严峻形势,城市生活垃圾处理变得越来越迫切.为了预测上海市未来的垃圾产生量,探讨合适的处置方法和调控措施,利用系统动力学的方法建立了上海市城市生活垃圾产生和处理系统的动力学模型.通过查阅大量文献并收集数据,预测未来生活垃圾的产生总量和处理总量,对各种处理方式的收益进行了对比,并利用系统动力学模型模拟软件VENSIM进行了模拟.结果表明:在调控措施下,未来上海市垃圾产生量能得到控制和更加环保的处理;同时,需要控制人口,提高环保投资占GDP比重,实行垃圾收费制度.     

我国城市生活垃圾焚烧处理的现状和发展趋势

本文通过对城市生活垃圾相关指标进行分析，对我国城市生活垃圾处理的最优的方法进行了论述，并对我国城市生活垃圾焚烧处理的现状和发展趋势进行了综述。     

城市垃圾焚烧产物对环境的影响及其资源化利用

阐述了城市垃圾焚烧飞灰的基本性质和不同粒径颗粒所含各种重金属含量以及它们对水体和环境的危害,介绍了不同粒径飞灰的物理化学性质和在不同条件下的处理方式,在此基础上提出了一种"无害化"、"资源化"、"减量化"的有效措施处理飞灰,即水泥窑煅烧处理;还介绍了城市垃圾焚烧产物中二噁英的基本性质、毒性和对人体的危害,从垃圾入炉前、焚烧时、烟气中等三个方面进行处理,并提出了减少二噁英的生成防治措施及去除的方法;介绍了城市垃圾焚烧底灰的物理化学性质,提出了一种资源化利用的方案,即制成烧结砖.     

Economic and Environmental Evaluations of Waste Treatment and Disposal Technologies for Municipal Solid Waste

MSW management can be defined as the discipline associated with the control of generation, storage, collection, transfer, processing and disposal of MSW, in a way which is governed by the best principles of public health, economics, engineering, aesthetics and other environmental considerations. The disposal of MSW has been the focus of environmental policy for several industrialised countries since the mid-1970s, when attempts were made to identify and categorise, in a systematic way, the waste fractions involved. This categorisation provided the policy makers with the necessary information, to determine the most appropriate option for dealing with the waste in a more economic and environmentally-sustainable way. This paper reviews the main economic costs and the environmental impacts of the widely-accepted waste treatment and disposal methods. Examples of successful waste-management schemes are presented and prospective future trends are assessed.     

Optimization of municipal solid waste (MSW) disposal in Saudi Arabia

Municipal solid waste (MSW) mainly comprises organics, paper, glass, plastics, metals, wood, etc. Rapid industrialization, high population growth rate, and fast urbanization have resulted in increased levels of pollution and MSW in Saudi Arabia. The amount of waste has been steadily increasing due to increasing human population and urbanization. Recovery refers to materials removed from the waste stream for the purpose of recycling and/or composting. There are various options available to convert solid waste to energy. Mainly, the following types of technologies are available: (1) sanitary landfill, (2) incineration, (3) pyrolysis, (4) gasification, and (5) anaerobic digestion. An integrated MSW disposal policy comprises (1) reduction of MSW source, (2) reuse of MSW, (3) recycling of MSW, (4) landfill and gas-to-energy conversion, and (5) MSW-to-energy conversion. Traditionally, MSWs have been disposed in landfills. Landfill is the most inexpensive waste disposal option. The main MSW disposal policies and barriers have been concluded in this study.     

垃圾电厂二恶英的生成及控制机制

城市生活垃圾焚烧发电技术作为一种无害化、减量化、资源化的垃圾处理方法,已成为发达国家垃圾处理的主要方式之一,在我国也正在得到应用和推广.但由于垃圾的成分极其复杂,决定了运行过程中产生的二次污染物的复杂、多变,形成了垃圾焚烧利用的瓶颈.针对城市生活垃圾焚烧产生的二次污染物,主要指对人体危害较大的二恶英的生成机理、影响其牛...     

城市生活垃圾循环流化床处理技术的研究进展

简要分析了国内外采用分类回收及综合利用、卫生填埋、堆肥和一般焚烧方法处理城市生活垃圾的不足之处以及采用循环流化床燃烧技术的优越性,重点介绍了国内外采用循环流化床燃烧装置焚烧城市生活垃圾的研究和应用现状,并对城市生活垃圾循环流化床气化熔融焚烧处理技术进行了简单介绍,指出了目前存在的问题及努力的方向．     

矿化垃圾一种可再生的燃料矿藏

分析了10年陈矿化垃圾组分特性，讨论了矿化垃圾用作可再生燃料的经济性与潜力及可行性。研究发现矿化垃圾中的可燃成分以塑料为主，另有木竹和纤维。与新鲜垃圾相比水份低，制作燃料（垃圾衍生燃料）无需干燥步骤，过程卫生，无臭气，制成工艺可望更简单。矿化垃圾作为再生燃料利用不仅可以回收能源，而且为城市垃圾的处理提供了经济、长效机制。     

我国目前垃圾焚烧处理现状

本文阐述了目前我国垃圾焚烧处理现状、尾气控制现状以及飞灰处理存在问题，提出了我国垃圾焚烧处理二恶英零排放的方向。     

Effects of hydrothermal treatment on characteristics and combustion behaviors of municipal solid wastes

The conversion of municipal solid wastes (MSW) to energy for co-combustion with coal may be a viable MSW disposal solution from the view point of suppression of the environmental pollution as well as reduction of coal consumption. This paper describes the application of innovative hydrothermal technology on different kinds of MSW to produce powder-like solid products appropriate for co-combustion with coal. In this work, three kinds of surrogated MSW (Japanese MSW, Indian MSW and Chinese MSW) different in composition and characteristics were subjected to the hydrothermal treatment (HT) at 220 °C and 2.4 MPa for 30 min. After the HT, the combustion behaviors of the samples were determined by investigating the sample weight loss (TG) and the rate of weight loss (DTG) through the thermogravimetric analysis (TGA). In addition, the effects of the HT on the characteristics and the combustion behaviors of the MSW were explored by comparing with three standard samples such as rice, cellulose and polypropylene (PP) both before and after the HT. The results obtained in this study can be drawn as the following: The HT is capable for converting MSW into uniform powder samples with low moisture content, regular shapes and high bulk density. During the HT, the hydrolysis reaction leads to the loss in volatile matter and the carbonization results in the gain in fixed carbon. The higher heating values of the three kinds of MSW after the HT are enhanced by 1.01–1.41 times (energy content per weight) and 6.39–9.00 times (energy content per volume). The combustion behaviors of the MSW in this study before the HT were dominated by the substance major in weight whereas for the ones after the HT, the intrinsic characteristics of the MSW can play an important role in determining the combustion behaviors.