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161.
Frimmel FH 《Environmental science and pollution research international》2003,10(6):408-413
BACKGROUND: Water is the basis for life and culture. In addition to the availability of water its quality has become a major issue in industrialized areas and in developing countries as well. Water usage has to be seen as part of the hydrological cycle. As a consequence water management has to be sustainable. The aim of the contribution is to give water usage oriented quality criteria and to focus on the technical means to achieve them. MAIN FEATURES: Water is used for many purposes, ranging from drinking and irrigation to a broad variety of technical processes. Most applications need specific hygienic, chemical and/or physical properties. RESULTS: To meet these demands separation and reaction principles are applied. The reuse of water and the application of water treatment with little or no waste and by-product formation is the way to go. Membrane separation and advanced oxidation including catalytic reactions are promising methods that apply natural processes in sustainable technical performance. Thus elimination of specific water constituents (e.g. salts and metals, microorganisms) and waste water cleaning (e.g. pollutants, nutrients and organic water) can be done efficiently. OUTLOOK: Learning from nature and helping nature with appropriate technology is a convincing strategy for sustainable water management. 相似文献
162.
163.
中国富营养化湖泊的生物修复 总被引:2,自引:0,他引:2
顾宗濂 《生态与农村环境学报》2002,18(1):42-45
描述了中国湖泊富营养化污染现状 ,论述了湖泊富营养化形成的机理、生物修复富营养化湖泊 (尤其是去除水体和底泥碳、氮、磷 )的理论依据 ;提出了修复湖泊富营养化的技术途径 ,阐明了笔者对机械清淤和生物修复各自具有的优势和缺陷的看法。 相似文献
164.
On the sustainability of common property resources 总被引:2,自引:0,他引:2
Nuria Oss-Eraso Montserrat Viladrich-Grau 《Journal of Environmental Economics and Management》2007,53(3):393-410
We provide a model where a common property resource is managed by two types of agents, cooperators and non-cooperators, who adjust their extraction strategies in response to persistent differential payoffs. In our model, the social approval of cooperators works as a reward mechanism which, as we show, favors both the pervasiveness of cooperative behavior and the sustainable management of natural resources. Specifically, we show that in the presence of such a reward mechanism a stable equilibrium can be reached with both strategies being practiced simultaneously and a decentralized and sustainable management of common property resources is possible. 相似文献
165.
高效植物炭化炉是将现代生物质资源通过热解,使资源得到充分利用,做到了清洁生产,实现了物质的反复循环,通过对副产品的进一步深加工,高效植物炭化炉成为制炭工业的最佳实用技术,是构成乡镇循环经济的技术装备之一. 相似文献
166.
110m3超大型步入式高低温湿热试验室由国内设计制造,从产品的技术性能、结构、制冷系统、控制系统等方面介绍该试验室的特点. 相似文献
167.
168.
郑永清 《辽宁城乡环境科技》2006,26(2):14-15
烧结厂是大气污染较为严重的工业企业类型之一。在烧结厂建设项目环境影响评价过程中,严格把握国家相关法律法规、产业政策及冶金工业环境保护政策,深入了解铁精矿烧结生产工艺,掌握烧结厂的污染特点,提出切实可行的污染控制措施,对建设项目的环境管理和企业管理及工程设计具有重要意义。 相似文献
169.
Maciel M. Queiroz 《环境质量管理》2019,28(3):7-15
Sustainable supply chains (SSC) are an essential topic in emerging economies for achieving sustainable development. Because of their rapid economic growth, emerging economies are experiencing both sides of this development: the well‐being enhancement and the environmental impact. However, decision makers and practitioners do not have robust models for managing supply networks that consider the sustainability complexities. This study aims to provide a better understanding of SSC in emerging economies and proposes a generic framework to improve the decision‐making process. Based on a review of the literature, a decision framework for sustainability is proposed. A green sustainable decision concept is also discussed in the SSC literature. This study has implications for scholars, decision makers, and practitioners interested in advancing the SSC field based on an extension of the framework. 相似文献
170.
采用界面聚合方法将UIO-66纳米颗粒引入复合膜中制备出改性的聚酰胺复合膜,并利用傅里叶红外光谱(FT-IR)、扫描电子显微镜(SEM)、原子力显微镜(AFM)、X射线衍射光谱(XRD)和接触角仪等仪器对材料和复合膜进行测定表征.以去离子水为原料液,1mol/L氯化钠溶液为汲取液进行渗透性能测试.选取BSA及SA作为污染物进行污染实验,并利用自制探针,借助原子力显微镜(AFM)测定了污染物与膜面的微观作用力.研究发现,相较于原始的聚酰胺复合膜,当UIO-66材料的添加量为0.04wt%时,改性复合膜在FO模式下的纯水通量由10.28L/(m2·h)增大到13.67L/(m2·h), PRO模式下纯水通量由17.68L/(m2·h)增大到20.41L/(m2·h),渗透性能改善效果显著,并具有较好的选择性能.此外,污染实验发现相较于原始膜,改性复合膜的通量衰减趋势较缓且与污染物之间粘附力都较小,说明UIO-66改性聚酰胺复合膜的抗污染性能有所提升. 相似文献