我国原镁工业发展循环经济的潜力与对策

在分析我国原镁工业整体形势的基础上，就我国皮江法炼镁的技术现状与国外先进硅热法炼镁技术进行了比较，指出我国原镁工业发展循环经济的潜力所在。根据我国主要镁产区资源及其相关产业特点，提出对皮江法炼镁工艺进行改造和革新，以原镁企业为核心，联合上下游企业，构筑生态工业园以及建立促进原镁工业循环经济发展的配套政策体系为对策，构建我国原镁工业发展循环经济的基本思路，以促进其节能减排，实现可持续发展。     

建设火电厂生态工业园的研究

通过建设以火电厂为中心的生态工业园的初步研究,阐述了建设生态工业园的重要意义,详细探讨了不同产业间的资源相互最大利用的循环经济发展模式,并总结了建设生态工业园经济发展模式的经验以及可能存在的问题,为各地建设类似生态工业园提供参考.     

短流程钢铁企业发展循环经济的模式

大力发展短流程钢铁企业,是钢铁工业节能减排、发展循环经济、实现可持续发展的重要途径。介绍了国内外电炉短流程钢铁企业的发展情况,阐述了短流程钢铁企业"三低两高"发展循环经济的模式,提出提高我国短流程炼钢产量占总产量比重必须采取的战略措施,以及短流程钢铁企业发展循环经济亟需解决的关键问题。     

甘肃省发展循环经济存在的问题及建议

发展循环经济是建设生态文明的实现途径；循环经济不仅是在发达地区能够完成，而且在经济落后地区也一样能够完成。以甘肃省为例说明发展循环经济存在的六方面问题并分析原因，进而提出政策建议，对中央政府和地方政府形成合力共同推进循环经济发展具有重要作用。     

长流程钢铁企业发展循环经济的模式

钢铁工业是国家发展循环经济的优先切入点,是打造循环型产业的重点;循环经济又是钢铁工业转变增长方式的优先切入点,是打造资源节约型和环境友好型钢铁企业的重要手段.详细介绍长流程钢铁企业发展循环经济的"四四"模式,以及济钢、莱钢、鞍钢、攀钢、包钢等长流程钢铁企业多年的实践探索和经验,为其他钢铁企业发展循环经济提供借鉴.     

北京市建设生态工业园的SWOT分析

北京市面临着人均资源相对贫乏、资源紧缺状况长期存在的现实约束,传统的线性工业生产方式必然加大北京市的资源和环境压力.在调结构、促增长以及强化节能减排和保护环境的背景下,北京市针对高新技术产业和现代制造业的重要集聚地--工业开发区,提出了建设生态工业园的任务,力图走出一条生态化、集约型的发展道路,以推动工业的可持续发展,实现经济、社会和环境的共赢.目前北京市生态工业园的建设工作正在稳步地推进中,对其建设和发展的优劣势以及外部机遇和威胁进行详细分析,制定北京市生态工业园的未来发展战略,这对规范和引导生态工业园的建设具有重大的意义.     

第七届全国循环经济与生态工业学术研讨会暨中国生态经济学会工业生态经济与技术专业委员会2012年会议通知

一、会议宗旨与议题 经中国生态经济学会工业生态经济与技术专业委员会、中国生态经济学会循环经济专业委员会批准，第七届全国循环经济与生态工业学术研讨会暨中国生态经济学会工业生态经济与技术专业委员会2012年年会由中国科学院过程工程研究所承办，定于2012年10月18-19日在北京召开。     

生态集成技术--生态工业中低化学势物质的资源化

循环经济和生态工业是解决当前资源、环境与经济可持续发展的有效途径.从工业生态的角度,论述了工业技术与生态环境的关系及作用;提出了生态集成技术是生态工业产业链得以延伸和使物质在不同产业链间循环的关键的观点,指出生态集成技术在构建生态链网中的重要性;并介绍了一种过程工程中典型的低化学势物质转化的生态集成技术,提供了改变现行过程工业中资源利用方式的思路.     

第七届全国循环经济与生态工业学术研讨会暨中国生态经济学会工业生态经济与技术专业委员会2012年会会议通知

一、会议宗旨与议题 经中国生态经济学会工业生态经济与技术专业委员会、中国生态经济学会循环经济专业委员会批准，第七届全国循环经济与生态工业学术研讨会暨中国生态经济学会工业生态经济与技术专业委员会2012年年会由中国科学院过程工程研究所承办。定于2012年10月18－19日在北京召开。     

循环经济（生态）工业园区

自20世纪90年代以来，循环经济（生态）工业园区开始成为世界工业园区发展领域的主题，并取得了较丰富的经验，循环经济（生态）工业园区正在成为许多国家工业园区改造和完善的方向。丹麦、美国、加拿大等国早就开始规划建设生态工业示范园区，泰国、印度尼西亚、菲律宾、纳米比亚和南非等发展中国家也正积极兴建循环经济（生态）工业园区。     

Synthesis and Characterization of Polyols and Polyurethane Foams from PET Waste and Crude Glycerol

In this study, polyethylene terephthalate (PET) waste from post-consumer soft-drink bottles and crude glycerol from the biodiesel industry were used for the preparation of polyols and polyurethane foams. PET waste was firstly depolymerized by the glycolysis of diethylene glycol. The glycolyzed PET oligomers were then reacted with crude glycerol at different weight ratios to produce polyols via a series of reactions, such as esterification, transesterification, condensation, and polycondensation. The polyols were characterized by titration, viscometry, gel permeation chromatography (GPC), and differential scanning calorimetry. Subsequently, polyurethane (PU) foams were made via the reaction between the produced polyols and polymeric methylene-4,4′-diphenyl diisocyanate and were characterized by mechanical testing, scanning electron microscopy, and thermogravimetric analysis. Polyols from crude glycerol and their PU foams were also prepared to compare properties with those of polyols and PU foams from PET and crude glycerol. The influence of aromatic segments existing in glycolyzed PET and glycerol content on the properties of the polyols and PU foams was investigated. It was found that aromatic segments of polyols from glycolyzed PET helped increase their molecular weights and improve thermal stability of PU foams, while high glycerol content in polyols increased the hydroxyl number of polyols and the density and compressive strength of PU foams.     

Pyrolysis of virgin and waste polypropylene and its mixtures with waste polyethylene and polystyrene

A comparison of waste and virgin polypropylene (PP) plastics under slow pyrolysis conditions is presented. Moreover, mixtures of waste PP with wastes of polyethylene (PE) and polystyrene (PS) were pyrolyzed under the same operating conditions. Not only the impact of waste on degradation products but also impacts of the variations in the mixing ratio were investigated. The thermogravimetric weight loss curves and their derivatives of virgin and waste PP showed differences due to the impurities which are dirt and food residues. The liquid yield distribution concerning the aliphatic, mono-aromatic and poly-aromatic compounds varies as the ratio of PP waste increases in the waste plastic mixtures. In addition to this, the alkene/alkane ratio of gas products shows variations depending on the mixing ratio of wastes.     

北京市居民衣服消费处置及对其回收利用认识调查与分析

首先对北京市居民每年购买新衣服的数量、支出、穿着时间、淘汰原因,以及闲置衣服的处理方式、数量等进行了调查与分析,然后对北京市居民对旧衣物回收利用的认识、回收形式及其处理方式,对旧衣物如何处理回收、再利用的担忧,对希望旧衣物回收箱摆放的场所等进行了调查与分析。其研究结果对废旧纺织品回收体系建设、制度及政策制定具有一定的参考价值。     

Photo-oxidation and Photo-toxicity of Crude and Refined Oils

The fate and effects of an oil spill are effected by solar radiation through the action of photo-oxidation and photo-toxicity. Photo-oxidation, an important process in the weathering of oil, produces a variety of oxidized compounds, including aliphatic and aromatic ketones, aldehydes, carboxylic acids, fatty acids, esters, epoxides, sulfoxides, sulfones, phenols, anhydrides, quinones and aliphatic and aromatic alcohols. Some of these compounds contribute to the marine biota toxicity observed after an oil spill. Photo-toxicity occurs when uptake of certain petroleum compounds, e.g. certain polycyclic aromatic hydrocarbons and benzothiophenes, is followed by solar exposure which results in much greater toxicity than after dark uptake. The mechanism of PAH photo-toxicity includes absorbance of solar radiation by the PAH which produces a free radical and this free radical in turn reacts with oxygen to produce reactive oxygen species that can damage DNA and other cellular macromolecules. While most studies on photo-toxicity have been carried out in the laboratory, there are studies showing that water from an oil spill is photo-toxic to bivalve embryos for at least a few days after the spill. Other studies have found that oil contaminated sediments are photo-toxic to several marine invertebrates. More studies are required to determine if marine fauna at an oil spill site are effected by the action of photo-toxicity and photo-oxidation.     

电厂建设运行中的水土流失预测与水土保持设计

在燃煤电厂建设运行的同时,将引起一系列的水土流失问题.以四川国电金堂电厂二期扩建工程为例,简要说明项目区水土流失预测的内容和方法,并在其基础上对可能产生的水土流失和危害进行了分析,同时介绍了建设期和运行期采取的综合防治措施,为类似工程的水土保持提供借鉴.     

磷对环境的污染及防治对策

我国水体富营养化严重，其主要控制因子是磷。在分析磷污染的污染状况，污染源的基础上，介绍了防治对策，采用低磷循环冷却水处理剂，减少磷排放，是防止工业磷污染的有效方法。     

Novel and innovative pyrolysis and gasification technologies for energy efficient and environmentally sound MSW disposal

Within the context of European Union (EU) energy policy and sustainibility in waste management, recent EU regulations demand energy efficient and environmentally sound disposal methods of Municipal Solid Waste (MSW). Currently, landfill with its many drawbacks is the preferred option in the EU and many other industrialised countries. Within the waste management hierarchy thermal disposal especially incineration is a viable and proven alternative. But, the dominating method, mass-burn grate incineration has drawbacks as well particularly hazardous emissions and harmful process residues. In recent years, pyrolysis and gasification technologies have emerged to address these issues and improve the energy output. To keep the many players in the field comprehensively informed and up-to-date, novel and innovative technology approaches emphasising European developments are reviewed.     

高校环境管理和废弃物处理处置

高校是社会的一个特殊群体,承载着人才培养、科学研究、社会服务和文化传承创新等重任.解决好广大师生在日常工作、学习和生活中所产生的各类废弃物的处理处置问题,以及大学校园的环境规划和环境管理问题,是办好现代大学的重要工作.就高校面临的环境问题、高校环境管理的特殊性和高校废弃物处理处置中应该注意的问题等进行探讨.     

微生物絮凝剂及其在水处理中的应用

近年来对微生物絮凝剂的研究不断深入，新的高效菌种不断被发现。简要介绍了微生物絮凝剂的絮凝机理、分关、絮凝效果及影响因素，重点介绍了新型微生物絮凝剂在水处理中的应用。