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1.
发达国家建筑垃圾再生利用经验及借鉴   总被引:4,自引:1,他引:3  
介绍了德国、日本、美国等发达国家对建筑垃圾进行处理和再利用的经验,提出我国应借鉴发达国家经验,从科研、法律、教育以及政策等方面加强建筑垃圾的再利用工作。  相似文献   

2.
数量巨大的城市生活垃圾(MSW)对环境管理和污染控制形成了严重挑战。世界各国都投入大量的人力,物力进行垃圾处理技术的研究及垃圾处理项目的建设,并取得了一定的成功经验。基于对国内外城市生活垃圾焚烧处理技术,资源化利用现状以及存在问题的分析,针对符合中国国情的高湿混合垃圾衍生燃料RDF制备工艺系统生成线的研发,对垃圾衍生燃料RDF再生能源化市场需求进行分析探讨。  相似文献   

3.
在济南市开展垃圾分类工作的基础上,提出解决大件垃圾的处理和处置成为不可回避的问题。采取调研和查阅资料的方式对济南市目前大件垃圾处置以及管理进行了调研,并结合一些相对开始较早的国外地区和国内其他地市大件垃圾收运处理模式,深入开展济南市大件垃圾管理现状的思考,提出对大件垃圾收运处理建议,为达到更好的管理济南市大件垃圾的收运和处理的目的。  相似文献   

4.
针对公众对二噁英的关注使得垃圾发电厂建设受阻的问题,从其性质、产生过程等方面进行了论述。并较详细地介绍了二噁英的处理方法。  相似文献   

5.
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,指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,提出了基于垃圾预处理的城市生活垃圾资源化综合处理系统,介绍了废塑料制作建筑板材的工艺和技术指标.  相似文献   

6.
总结了全国城乡生活垃圾年产生量以及生活垃圾各种成分所占比例,分析了我国生活垃圾处理现状和存在问题,并参照广州经验,提出了建立我国生活垃圾收运处理体系的5个环节。特别强调,两网融合是破解垃圾围城的有效模式,而建立生活垃圾分类投放模式,是实施两网融合、促进垃圾减量化的重要环节。最后指出了两网融合是再生资源行业实现跨越转型的可行途径。  相似文献   

7.
介绍了几种城市垃圾资源化处理技术在我国的发展现状,同时就其在发展过程中出现的问题进行了谨慎、深入的分析和探讨,结合国外城市垃圾资源化处理技术的最新发展趋势,提出了两种新型的垃圾资源化处理技术,并对其在我国今后的市场应用前景做了分析和预测.  相似文献   

8.
长株潭城市生活垃圾资源化综合利用政策研究   总被引:1,自引:0,他引:1  
城市生活垃圾处理是一个世界性的问题。目前,长株潭城市生活垃圾每天约有4500~4900t,主要通过填埋来处理,这种方法有利有弊,而且弊大于利,主要是垃圾资源未得到利用,污染比较严重,存在安全隐患。长沙安基环保高科技开发有限公司全体科研人员经过8年的艰苦探索,提出了一种新的资源化处理垃圾的方法。此法能使垃圾全量资源化,实现“零排放”的目标。阐述了资源化法的产生过程和内涵,提出了长株潭城市生活垃圾资源化规模构想,重点探讨了长株潭城市生活垃圾资源化政策。  相似文献   

9.
垃圾填埋是我国处理垃圾的主要方式,但目前填埋场库存已经很难满足垃圾处理的需求,因此对矿化垃圾的开采和利用显得尤为重要。综述了矿化垃圾理化特性研究进展,讨论了矿化垃圾处理废水、矿化垃圾在土壤以及在其他方面的应用,为实现填埋场的可持续利用提供了参考。  相似文献   

10.
我国的垃圾收集采用混合收集,许多国外先进的垃圾处理技术不安全适用于我国。我国的垃圾处理最终应走综合处理之路,堆肥和填埋的结合、焚烧和填埋的结合,等等,才能使得各种处理技术优势互补、资源共享。  相似文献   

11.
生活垃圾分类回收管理措施正在我国各大城市全面实施。通过对瑞典生活垃圾层级管理和4种处理方式的介绍,对瑞典垃圾回收再利用效果进行分析,为我国推进生活垃圾分类回收再利用工作,提供可借鉴经验和参考。  相似文献   

12.
The current situation of solid waste management in China   总被引:1,自引:1,他引:1  
With economic development, the quantity of solid waste is increasing rapidly in China; the total quantities of municipal solid waste (MSW), industrial solid waste (ISW), and hazardous waste (HW) in 2002 were 136.5 million tons, 945 million tons, and 10 million tons, respectively. In 2002, the quantity of MSW disposed of was 74.04 million tons, 89.30% of which was landfilled, 3.72% was incinerated, and 6.98% was composted. There are currently 651 disposal facilities for MSW in China. Mining gangue is the largest component of ISW, making up 27.5% of the total. In the Chinese industrial sector, the coal mining and processing industry contributed most to the total quantity of ISW, with 16.0% of the total quantity of ISW generated by this sector. In total, 44% of HW was recycled, 27% was stored, 13.5% was disposed of, and 15.4% was discharged. Of the total HW generated, 40% was produced by the chemical materials and chemical products industry. Five categories of HW, i.e., waste alkali, waste acid, inorganic fluoride waste, copper waste, and inorganic cyanide waste, made up 57.8% of the total HW generated. Solid waste pollution has become a huge challenge faced by those involved in Chinese environmental management, but this can be seen as an opportunity to improve environmental quality. This article introduces the strategies taken to improve solid waste management in China.  相似文献   

13.
废弃印刷线路板资源化处理的研究进展   总被引:9,自引:2,他引:7  
介绍了当前废弃印刷线路板资源化处理的主要方法,包括湿法、火法、机械法、生物法、超临界流体法和等离子体熔炼法等。综述了各种处理方法的侧重点及利弊;提出热解法与机械法联用可较好地解决在破碎过程中所遇到的问题,具有较大优势,可作为未来大量废弃印刷线路板资源化处理工艺研究的重点。  相似文献   

14.
15.
国外生物过滤器处理化工有机废气进展   总被引:17,自引:1,他引:16  
张晓辉 《化工环保》1999,19(2):84-88
概述了生物过滤器处理有机废气的流程、原理、设备、运行条件及投资,并介绍了欧美国家用生物过滤器处理化工有机废气的进展情况和实例。讨论了该技术的发展趋势及在国内的应用前景。  相似文献   

16.
介绍了湛江电力公司4×300 MW燃煤发电机组减排氮氧化物实施的技术。  相似文献   

17.
厨余垃圾-蔬菜废物协同生产液肥项目,需要建立科学、高效的运行管理机制和投入产出机制,以提高其经济效益。系统研究银川市某液肥项目的设备投资和运行费用等情况,目前该项目处理规模约为10.6 t/d,运行负荷率为35.3%,导致处理成本高达337.9元/t。因此,提高运行负荷率,是降低处理成本的关键。  相似文献   

18.
童孟良 《化工环保》2006,26(4):318-320
研究了以废镍铝合金粉(废镍渣)为原料、H2SO4为浸出剂、尿素为沉淀剂制备镍催化剂的方法;考察了Ni浸出条件对其浸出率的影响,并通过催化加氢实验对镍催化剂的活性进行了评价。Ni的浸出条件:w(H2SO4)25%、酸浸时间3h、n(废镍渣):n(H2SO4)=1.0:1.4。在该条件下,Ni的浸出率为92.85%。Ni的回收率在90%以上。催化加氢实验结果表明,在温度120~125℃、压力大于或等于1.2MPa、催化剂用量1%(质量分数)的条件下,可将异丙叉丙酮经一步液相催化加氢反应制备成甲基异丁基甲醇(MBC),异丙叉丙酮转化率为100%,MIBC的收率达99.3%。  相似文献   

19.
In studies focusing on the factors that impact solid waste generation habits and rates, the potential spatial dependency in solid waste generation data is not considered in relating the waste generation rates to its determinants. In this study, spatial dependency is taken into account in determination of the significant socio-economic and climatic factors that may be of importance for the municipal solid waste (MSW) generation rates in different provinces of Turkey. Simultaneous spatial autoregression (SAR) and geographically weighted regression (GWR) models are used for the spatial data analyses. Similar to ordinary least squares regression (OLSR), regression coefficients are global in SAR model. In other words, the effect of a given independent variable on a dependent variable is valid for the whole country. Unlike OLSR or SAR, GWR reveals the local impact of a given factor (or independent variable) on the waste generation rates of different provinces. Results show that provinces within closer neighborhoods have similar MSW generation rates. On the other hand, this spatial autocorrelation is not very high for the exploratory variables considered in the study. OLSR and SAR models have similar regression coefficients. GWR is useful to indicate the local determinants of MSW generation rates. GWR model can be utilized to plan waste management activities at local scale including waste minimization, collection, treatment, and disposal. At global scale, the MSW generation rates in Turkey are significantly related to unemployment rate and asphalt-paved roads ratio. Yet, significances of these variables may diminish at local scale for some provinces. At local scale, different factors may be important in affecting MSW generation rates.  相似文献   

20.
Life cycle thinking is a good approach to be used for environmental decision-support, although the complexity of the Life Cycle Assessment (LCA) studies sometimes prevents their wide use. The purpose of this paper is to show how LCA methodology can be simplified to be more useful for certain applications.In order to improve waste management in Catalonia (Spain), a Cumulative Energy Demand indicator (LCA-based) has been used to obtain four mathematical models to help the government in the decision of preventing or allowing a specific waste from going out of the borders. The conceptual equations and all the subsequent developments and assumptions made to obtain the simplified models are presented.One of the four models is discussed in detail, presenting the final simplified equation to be subsequently used by the government in decision making.The resulting model has been found to be scientifically robust, simple to implement and, above all, fulfilling its purpose: the limitation of waste transport out of Catalonia unless the waste recovery operations are significantly better and justify this transport.  相似文献   

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