... Biodegradation; Dissolvedorganic matter; DOC Introduction In the past 10 years, much progress has been made in the understanding ofdissolvedorganicmatter (DOM) functions and dynamics in soils ... denitrification potential andfractionsoforganic carbon in air-dried and field-moist soils Soil Biol Biochem 20, 737 – 741 Blaser, P., 1994 The role of natural organicmatter in the dynamics of metals in ... studies oforganicmatterfractions in acid forest floor solutions Org Geochem 21, 51 – 66 Guggenberger, G., Kaiser, K., Zech, W., 1998 Mobilization and immobilization ofdissolvedorganic matter...
... FOULING AND ACCUMULATION OFDISSOLVEDORGANICMATTER IN MEMBRANE BIOREACTORS LIANG SHUANG (B Eng., Qingdao Technological University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Values of kinetic and stoichiometric parameters 123 xi LIST OF FIGURES Figure 2.1 Overview of pressure-driven membrane processes commonly used in water and wastewater treatment and dimensions of ... treatment and a summary of the main findings with respect to the characteristics and fouling behaviors of DOM based on model compounds or natural organicmatter Chapter describes the materials and...
... concentration during and after the shock loading of 3,5-DCP onto PACT and control reactors - 252 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 3.2 Effects ofdissolvedorganicmatter (DOM) ... The objective of this study is to clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process Materials and methods 2.1 Operation of powdered activated ... other dissolvedorganic matters (DOM) and biofilm attached onto PAC However, it is not clear that the effect of DOM and biofilm attached onto PAC were decrease in adsorption capacity of PAC in the...
... affected by pH and solid anddissolvedorganicmatter Environ Sci Technol 1997;31:1109 – 15 Temminghoff EJM, Zee SEATMVD, Haan FAMD Effects ofdissolvedorganicmatter on the mobility of copper in ... Mobility of cadmium-109 and zinc-65 in soil influenced by equilibration time, temperature andorganicmatter J Environ Qual 1999;28:1742 – 50 Andersson S, Nilsson SI, Saetre P Leaching ofdissolvedorganic ... Recoveries of the isolated FA, HA, and Hyd fractions were 100%, 107%, and 102%, respectively Fig shows the total concentrations and proportions of each of the DOC fractions in solution as a function of...
... Characterization of isolated fractionsofdissolvedorganicmatter from natural waters and a wastewater effluent, Water Research, 35 (4), 985-996 Sarathy V and Allen H E (2005) Copper complexation by dissolved ... (2006) Comparison of zinc complexation properties ofdissolved natural organicmatter from different surface waters, Journal of Environmental Management, 80, 222-229 Ma H., Allen H E and Yin Y (2001) ... complexation parameters Determination ofdissolvedand labile Zn, DOC, UV absorbance and SUVA Dissolvedorganic carbon concentration was measured as non-purgeable organic carbon with a TOC analyzer...
... particulate organicmatter did not affect CODMn, the possibility of accumulation ofdissolvedorganicmatter (DOM) is pointed out (Imai, 2002) On the other hand, Takahashi (1999) reported that dissolved ... Determinations of humic substances and other dissolvedorganicmatterand their effects on the increase of COD in Lake Biwa, Anal Sci., 20, 159-164 Gurung T B and Urabe J (1999) Temporal and vertical ... Res Inst., 22, 161-170 (in Japanese) Hayakawa K and Takahashi M (2002) Behavior ofdissolvedorganicmatter in the northern basin of Lake Biwa and current situation related to COD increase, Annual...
... concentrations and fluxes ofdissolved inorganic (DIN) andorganic N (DON) in precipitation, throughfall, surface runoff and soil solution for three subtropical forests in a region of South China ... Jiang, N H., and Zhang, L D.: Soil physical and chemical analysis and description of soil profiles, Standards Press of China, Beijing, 1996 Lohse, A L and Matson, P.: Consequences of nitrogen additions ... leaching and throughfall DON input was only found in one of three forests (Fig 8b) This suggests that soil solution DON was influenced either by soil sources of DON (decomposition of litter and soil organic...
... V and Chen Y (2002) Cadmium Binding by FractionsofDissolvedOrganicMatterand Humic Substances from Municipal Solid Waste Compost, Journal of Environment Quality,31, 1885-1892 Ministry of ... - Variations of reduction rate for (a) TOC, TN and TP, (b) Cr, Fe, Pb, and Zn, and diurnal variations of contact times during field test Table - Mean and standard deviation (SD) of the concentration ... SD: Standard deviation, CV: Coefficient of variation - 12 - Journal of Water and Environment Technology, Vol 7, No 1, 2009 The water qualities of inflow water (IN) and outflow water (OUT) of the...
... manures which has three roles oforganicmatter sources, of protection of the soil against erosion andof increase in the activity of earthworms which reduce water runoff (Hole et al., 2005; Parfitt ... Total nitrogen (Nt) andorganic nitrogen (Norg) were calculated as the sum of Kjeldahl-N and NO3 N and as the difference between Nt and the inorganic nitrogen (sum of NH4+-N and NO3-N), respectively ... physical and chemical (carbon, nitrogen andorganicmatter content) properties Particles size distribution was measured after oxidation of the organicmatter with hydrogen peroxide (H2O2) of a soil...
... ibuprofen = 0.5 µM, pCBA = 0.5 µM and phosphate buffer = mM 77 Figure 5.2 O3 and · OH exposures for ibuprofen in the presence of 0, 2.0 and 4.0 mg/L of SRFA after different reaction times of (a) ... the removal of ibuprofen in the presence of carbonate alkalinity The experimental results and model simulation revealed that the presence of NOM generally enhanced the removal of ibuprofen, which ... 80 Table 5.2 Influences of SRFA on the removal of selected pharmaceutical andorganic compounds 83 ix LIST OF FIGURES Figure 1.1 Reactions of ozone with the presence of foreign compounds acting...
... activities of Dr A.G.J Tacon, Fishery Resources Officer, Inland Water Resources and Aquaculture Service, FAO Fishery Resources Division, to help meet the needs of aquaculture workers of Member ... Standard enrichment for Great Salt Lake Artemia 4.4 Tank productionand use of ongrown Artemia 4.4.1 Nutritional properties of ongrown Artemia 4.4.2 Tank production 4.4.2.1 Advantages of tank production ... Literature of interest CLADOCERANS, NEMATODES AND TROCHOPHORA LARVAE 6.1 Daphnia and Moina 6.1.1 Biology and life cycle of Daphnia 6.1.2 Nutritional value of Daphnia 6.1.3 Feeding and nutrition of Daphnia...
... These various aspects of the production, use and substitution of micro-algae in aquaculture will be treated within the limits of this chapter 2.2 Major classes and genera of cultured algal species ... BS, MR 2.3 Algal production 2.3.1 Physical and chemical conditions 2.3.2 Growth dynamics 2.3.3 Isolating/obtaining and maintaining of cultures 2.3.4 Sources of contamination and water treatment ... they assimilate inorganic carbon for conversion into organicmatter Light is the sourceof energy which drives this reaction and in this regard intensity, spectral quality and photoperiod need...
... 3.7 Productionand use of resting eggs For the mass rearing of rotifers as larval food the amictic way of reproduction (see 3.3.) should be favored However, when the interest is in productionof ... the intensive productionof rotifers are being applied worldwide The availability of large quantities of this live food source has contributed to the successful hatchery productionof more than ... the profile of the spines and ornaments allow the determination of the different species and morphotypes (see 3.4.) The rotifers body is differentiated inTO three distinct parts consisting of the...
... outputs, not only in terms of survival, growth and success of metamorphosis of many species of fish and crustaceans, but also with regard to their quality, e.g reduced incidence of malformations, improved ... resulted in optimized and cost-effective applications of this live food in hatchery production 4.1.2 Biology and ecology of Artemia 4.1.2.1 Morphology and life cycle 4.1.2.2 Ecology and natural distribution ... production sources in America, Asia, Australia and Europe A knowledge of the characteristics (both genotypic and phenotypic) of a particular batch of cysts can greatly increase the effectiveness of its...
... content and hatchability Hatchability of cysts is largely determined by the conditions and techniques applied for harvesting, cleaning, drying and storing of the cyst material The impact of most of ... saving of over one third in the amount of Artemia cysts used, compared to the use of live nauplii Table 4.2.4 The proximate composition (in % of dry matter) of decapsulated Artemia cysts and instar ... function of the tank size and the density of cysts incubated Excessive foaming can be reduced by disinfection of the cysts prior to hatching incubation and/ or by the addition of a few drops of a...
... fast harvesting of large volumes of Artemia nauplii and allows complete removal of debris from the hatching medium This technique results in a significant reduction of labour andproduction costs ... of Artemia nauplii was identified in the late 1970s and early 1980s, when many fish and shrimp hatcheries scaled up their productionand reported unexpected problems when switching from one source ... variability of 20:5n-3 (EPA) content in Artemia Values represent the range (area percent) and coefficient of variation of data as compiled by Léger et al (1986) Cyst source 20:5n-3 range Coefficient of...
... Enrichment of ongrown Artemia 4.4.2.8 Control of infections 4.4.2.9 Harvesting and processing techniques 4.4.2.10 Production figures andproduction costs 4.4.2.1 Advantages of tank productionand tank ... behavior of Artemia by affecting the filtration rate, ingestion rate and/ or assimilation: including the quality and quantity of the food offered, the developmental stage of the larvae, and the ... leaching of body fluids (See also 4.5.7.1) 4.4.2.10 Production figures andproduction costs Figure 4.4.14 provides a summary of average production data expressed as Artemia survival and length,...
... also an expensive and labour intensive job COMBINATION OFORGANICAND INORGANIC FERTILIZERS A common practice is to use a combination of inorganic andorganic fertilizers While inorganic fertilizers ... Liquid ORGANIC FERTILIZERS With the appearance of inorganic fertilizers the use oforganic fertilizers has been questioned In Table 4.5.4 we summarize advantages and disadvantages oforganic ... during storage and/ or to deactivate diapause ® removal of light and heavy debris in different size range of cysts ® removal of heavy debris (e.g sand, stones, high dens organic matter) ® temporary...
... Literature of interest 6.1 Daphnia and Moina 6.1.1 Biology and life cycle of Daphnia 6.1.2 Nutritional value of Daphnia 6.1.3 Feeding and nutrition of Daphnia 6.1.4 Mass culture of Daphnia 6.1.5 Production ... intensity, ) and biota (phytoplankton and copepod production, number of predators, bacterial turn-over, regeneration of nutrients from copepods and fish larvae) in such a way that the productionof one ... nauplius and copepodite stages of copepods; · 300 and 500 µm for small water fleas and smaller species of cyclopoid copepods; · 700 µm for adult water fleas of the Daphnia genus, large species of cyclopoid...