广东省危险废物处置设施与管理现状及对策

文章对广东省危险废物的产生与流向、处置设施建设、工艺技术、污染防治以及管理等现状及存在问题进行调查分析，针对所存在的问题，并结合规划要求，从管理、技术发展、处理处置设施建设和运营等方面提出较为系统的危险废物污染防治对策。     

含油污泥三相离心分离处理技术研究

针对原油生产过程中产生的大量含油污泥,油泥成分复杂、严重污染周边环境且造成资源浪费的情况,采用三相离心分离工艺对含油污泥进行处理。通过室内试验研究,确定了含油污泥处理的最佳条件。添加分离剂能够改善油泥分离性能,提高油泥温度能够改善油泥流动效果,摸索出油泥离心分离的最佳时间和离心速率,并对分离后的三相物质进行物性检测。该工艺处理含油污泥可以有效的回收原油,处理后固相减量75%,实现含油污泥减量化、资源化处理的目的。     

Photocatalytic remediation of γ-hexachlorocyclohexane contaminated soils using TiO2 and montmorillonite composite photocatalyst

TiO2 and montmorillonite composite photocatalysts were prepared and applied in degrading γ-hexachlorocyclohexane(γ-HCH)in soils.After being spiked with γ-HCH,soil samples loaded with the composite photocatalysts were exposed to UV-light irradiation.The results indicated that the photocatalytic activities of the composite photocatalysts varied with the content of TiO2 in the order of 10%＜70%＜50%＜30%.Moreover,the photocatalytic activity of the composite photocatalysts with TiO2 content 30% was higher than that of the pure P25 with the same mass of TiO2.The strong adsorption capacity of the composite photocatalysts and quantum size effect may contribute to its increased photocatalytic activities.In addition,effect of dosage of composite photocatalysts and soil pH on γ-HCH photodegradation was investigated. Pentachlorocyclohexene,trichlorocyclohexene,and dichlorobenzene were detected as photodegradation intermediates,which were gradually degraded with tlle phOtOdegradation evolution.     

京杭大运河淮安段水质的多元统计分析

以京杭大运河淮安段4个水质监测断面2007年的水质监测数据为样本,用主成分分析的方法,找出影响京杭大运河淮安段水质的主成分,计算各样本的主成分得分,用聚类分析的方法将样本水质分类,根据水质综合评分公式,计算各监测断面各月份水质综合评分,结合分类结果及水质综合评分对各样本水质评价结果为：监测断面黄码大桥的水质最差;另3个监测断面1、3月份的水质最好;而监测断面板闸的水质又好于监测断面五叉河口及大运河桥的水质。     

Research of the Response of Ecosystem to LUCC in Miyun County, Beijing： Based on Ecosystem Services Valuation

Miyun County,located in the northeast of Chinese capital Beijing,was underwent remarkable variations in land use in recent years.This paper aimed to detect changes in land use of Miyun from 1997 to 2005,and to qualify the response of ecosystem to LUCC based on ecosystem services valuation.With two-periods TM images,we got land use change data,and then ecosystem services values were calculated using ecosystem services valuation coefficients proposed by Chinese scholar Xie Gaodi.Results showed that water area,farm land and unused land decreased while residential land,forest land,grassland and orchard land increased during the study period.The loss of ESV was RMB 206 million and the main reason was the decrease of water area and farm land area.As for spatial variation,there were most dramatically land use change and ESV decline in reservoir ecological protection region.The coefficient sensitivity analysis indicates that valuation coefficients used in the study are suitable and results are reasonable.The driving forces of ESV loss were rapid population growth and economic development.More work should be done to make eco-environment stay healthy.     

上海地区二氧化硫浓度和风速的统计关系

应用上海市1986年6月至1987年5月间5个自动监测站的全年每日逐时SO_2浓度平均值和同步的风速平均值资料,按季进行比较、归纳,得到风速—SO_2浓度的诊断判据,并利用1984年全年的相应资料进行验证,准确率达85％;得到了各季浓度—风速的回归方程,和浓度—风速、温差的二元回归方程、复相关系数。     

刍议生态城市建设的意义

生态城市这一崭新的城市概念和发展模式一经提出,就受到全球的广泛关注。生态城市是现代城市发展的高级阶段,是依托现有城市,根据生态学原理,并应用现代科学与技术等手段逐步创建,在"生态文明"时代形成的可持续发展的人居模式。文章阐述了生态城市的内涵,系统地分析了生态城市与传统城市的差异;提出了促进城市生态化发展的途径,为中国生态城市的建设指出了发展方向和理论依据。     

特定生态系统对水源地水质改善的研究

通过构建水生动物-人工介质新型生态系统来研究太湖水源地水质改善效果.中试试验结果表明,对比3d和7d的水力停留时间(HRT),当HRT:7d,系统对TN、NO2--N、NO3--N、TP、PO4--P的平均去除率可分别达到79.00%、63.46%、14.57%、67.43%、35.81%;对比空白池,TN、NO2--N、NO3--N、TP、PO4--P的平均去除率仅为9.67%、7.09%、1.30%、9.92%、7.04%.通过该系统中水生动物的吸收和人工介质上微生物降解的协同作用,使得氮磷类污染物的去除效果明显.可见,水生动物-人工介质生态系统对改善太湖水源地水质有良好的效果,对构建安全的水源地生态系统具有积极的意义.     

济南市环境与经济协调发展评价及对策研究

以济南市为研究对象,通过构建环境与经济协调发展指标体系,分析了济南市生态环境和经济发展状况,评价了环境与经济协调发展水平,结果表明:2011年-2014年济南市经济发展呈逐年上升趋势;生态环境质量出现下降态势;环境与经济协调发展水平也出现了明显下滑.根据评价结果,探讨了该市在产业能源结构、机动车控制及农业生产方面存在的问题,由此提出了调整产业结构、优化能源结构、完善机动车管理、加强生态农业建设、建立环境和经济发展综合决策和激励机制等对策.