Geoenvironmental Engineering Contaminated Soils, Pollutant Fate, and Mitigation pptx

... use and urban land use at the other. Each type of land use imposes different demands and requirements from the land. The ideal situation in land utilization matches land suitability with land ... Yong, R.N. (Raymond Nen) Geoenvironmental engineering: contaminated soils, pollutant fate and mitigation / Raymond N. Yong p. cm. Includes bibliographical references and index. I...

Ngày tải lên: 11/08/2014, 04:20

... breakthrough and formation of a pollutant plume. The resultant pollutant plume and its transport through the soil substrate must be examined to determine whether it poses a threat to the aquifer and to ... the mechanical and physical properties of the soil. In natural attenuation processes, both retention and retardation occur as mech- anisms of pollutant accumulat...

Ngày tải lên: 11/08/2014, 04:20

... Pollutants 4.1 POLLUTANTS, CONTAMINANTS, AND FATE We consider, in this chapter, the general mechanisms and processes involved in the interaction between contaminants (pollutants and non-pollutants) ... governs pollution mitigation (i.e., removal or reduction of pollutant concentration) and remediation of contaminated lands should be protection of health of biotic species an...

Ngày tải lên: 11/08/2014, 04:20

... contribute to ground and groundwater pollution by lead are mining and smelting and battery production. Pb has the capability to form various complexes (chloride, sulfate, and sulfide) and hydroxide species, ... minerals. Inorganic and organic ligands in the porewater contribute significantly to the processes associated with retention and/ or retardation of inorganic contaminants a...

Ngày tải lên: 11/08/2014, 04:20

... the pollutants and/ or their products. When evidence shows that a particular organic pollutant resists biodegradation, the pollutant is identified as a recalcitrant (organic chemical) pollutant, and ... organic and inorganic pollutants co-existing in a contaminated site, determination of the fate of these pollutants has generally focused on inorganic and organic chemicals as sepa...

Ngày tải lên: 11/08/2014, 04:20

... E.M., and Yong, R.N., (1997), “On the retention of lead by illitic soil fractions”, in Geoenvironmental Engineering — Contaminated Ground: Fate of Pollutants and Reme- diation, R.N. Yong, and H.R. ... C.N., and Yong, R.N., (1997), “The use of biosurfactants in the removal of metals from oil -contaminated soil”, in Geoenvironmental Engineering — Contaminated Ground: Fate o...

Ngày tải lên: 11/08/2014, 04:20

... extending and retracting landing gear, positioning flaps, operating hoists, raising and lowering cargo doors, and starting engines. The hydraulic systems used in Army aircraft are dependable and ... the concept and operation of the basic components of the hydraulic system. It also describes the various components of a typical hydraulic system, their construction and function...

Ngày tải lên: 27/06/2014, 08:20

... 2.2. Sampling and chemical analysis Plant and soil samples were taken and analysed at the harvest time (45 days after sowing). Plant samples (leaves and shoots) are collected and washed with ... previously been contaminated at different concentrations of Cu. The main purposes of the research were to determine the effects of Cu and phosphorus applications on plant growth...

Ngày tải lên: 14/03/2014, 15:20

... total loads of pollutants in the Yodo River and their runoff characteristics (Ebise et al. (2001, 2003, 2004 and 2006)). Here, pollutants contain organic matter, nutrients, SS and other measured ... tributaries and an annual mean flow of 268m 3 /s, flows out of Lake Biwa, runs through the Amagase Dam and flows into Osaka Bay. Point and non-point pollutant loads in Kyoto City...

Ngày tải lên: 05/09/2013, 09:38

... contrary, exemplified in Landy (1995) 16 Cr App R (S) 908 and criticized in the 3rd edn of this work, p. 144. 168 Aggravation and mitigation Tab le 11. Males aged 21 and over sentenced for indicable ... Flood-Page and Mackie (1998), pp. 85–6. 162 Aggravation and mitigation easily led and less controlled in their behaviour. 42 In these cases, as in all others, we are concerned w...

Ngày tải lên: 01/11/2013, 09:20