... 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) on adsorption capacity of PAC ... amount oforganic carbon was indicator as the amount of biofilm developed on PAC shows the amount oforganic carbon on PAC after each incubation Figure Figure shows the adsorption isotherm of new ... 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...
... press) Cheng T and Allen H E (2006) Comparison of zinc complexation properties ofdissolved natural organicmatter from different surface waters, Journal of Environmental Management, 80, 222-229 Ma ... Characterization of isolated fractions ofdissolvedorganicmatter from natural waters and a wastewater effluent, Water Research, 35 (4), 985-996 Sarathy V and Allen H E (2005) Copper complexation by dissolved ... complexation parameters Determination ofdissolved and 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 ... Behavior oforganicmatter in Lake Biwa, Annual Rep Lake Biwa Res Inst., 22, 161-170 (in Japanese) Hayakawa K and Takahashi M (2002) Behavior ofdissolvedorganicmatter in the northern basin of Lake ... Prefecture (2010) Environment of Shiga Prefecture 2009 (White Paper of Environment), Shiga Prefecture, Otsu, Japan (in Japanese) Takahashi M (1999) Behavior ofdissolvedorganic matter, Annual Rep Lake...
... Hathhorn WE Enhanced mobility of Pb in the presence ofdissolved natural organicmatter J Contam Hydrol 1997; 29:59 – 80 Karlik B Liming effect on dissolvedorganicmatter leaching Water Air Soil ... 2002) Dissolved natural organicmatter has also been implicated in preventing the sorption of Pb onto a sandy soil (Jordan et al., 1997) Further analysis of the data reveal that the presence of ... Mobility of cadmium-109 and zinc-65 in soil influenced by equilibration time, temperature and organicmatter J Environ Qual 1999;28:1742 – 50 Andersson S, Nilsson SI, Saetre P Leaching ofdissolved organic...
... ACCUMULATION OFDISSOLVEDORGANICMATTER IN MEMBRANE BIOREACTORS LIANG SHUANG (B Eng., Qingdao Technological University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CIVIL ... transport mechanisms of retarded convection and dispersion of DOM through a porous membrane can be a better explanation for DOM accumulation in MBR systems Keywords: Dissolvedorganic matter; Membrane ... potential of DOM for GVWP and GVHP membranes .66 Table 4.4 Fouling potential of fractional components of DOM in MBR3 at DOC concentration of mg/L .74 Table 5.1 Typical characteristics of influent...
... the portion of inlet and outlet and at the boundary of nylon nets bags with charcoal, and is adsorption when drainage water contacts the surface of charcoal because of the structure of this equipment ... Preparation of charcoal from Cryptomeria and Chamaecyparis and their properties Tanso, 160, 247–254 Kaschl A., Romheld V and Chen Y (2002) Cadmium Binding by Fractions ofDissolvedOrganicMatter ... Shiratani E., Yoshinaga I., Hitomi T., Hamada K and Takaki K (2007a) Characteristics of the adsorption ofdissolvedorganicmatter by charcoal carbonized at difference temperatures, Japanese Agricultural...
... was influenced either by soil sourcesof DON (decomposition of litter and soil organic matter, plant exudates, fine-root and mycorrhizal turnover, and the waste products of macro and microorganisms), ... reported similar dissolved inorganic N (DIN) deposition in bulk precipitation in 2004 (Fang et al., 2007) Here we have continued these measurements but including also analysis ofdissolvedorganic N ... indicated that DIN and DON might have different sources −1 −1 at our site Dissolvedorganic N input amounted to 17.8 kg N yr , accounting −1 for 36% of total dissolved N (TDN) input (47.6 kg N in 2005,...
... soil organicmatter Effects of management on soil organicmatter 173 173 173 175 175 175 175 177 184 185 XI1 CONTENTS Effect of long term cropping Effect of ... distribution oforganic sulfur in soil 275 Forms oforganic sulfur 276 278 Amount and distribution oforganic sulfur 279 Effect of soil forming ... sequence of events appears to be HA - FA , EXTRACTION OF HUMIC SUBSTANCES The organicmatter content of soils may range from less than 0.1% in desert soils to close to 100.0% in organic soils In inorganic...
... the variations of pH value in the end of experiments were within ± pH unit 0.1 2.4.3 The influences of NOM on the degradation of ibuprofen by ozonation In the experiments of ibuprofen degradation, ... NOM ON THE REMOVAL OF IBUPROFEN DURING WATER OZONATION 74 5.1 Modeling the influences of NOM on the degradation of ibuprofen by ozonation 74 5.2 Application of the model to other ... influences of NOM on 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...
... days The microbial decomposition oforganicmatter would most likely happen in the inoperative condition of the AIRU In the biodegradation process oforganic matter, the aerobic oxidation is ... presence oforganicmatter in AIRU feed water was investigated under dosage-response observations in multiple sets of laboratory reactors In case of simulated wastewater organic contaminations of 15 ... analyses of the field water samples identified that most of the groundwater sources had significant organic contamination (Table 2) In AIRUs (I~IV), in spite of having adequate iron concentrations of...
... the existing of micro-organisms in the wetland system Composed organic matters synthesize dark, amorphous, colloidal mass, called humus Humus is the active component of soil organicmatter and ... leads to a decline of the filter ability of the constructed wetland The objective of this study is to survey the vertical and horizontal distribution of the OM in sand bed of the experimental ... ================================================================================ where OM - organic matters in present (%); - weight of cup (gr); Mc Ms - weight of dried sand sample (gr) by drying at 110 °C in hours; Msc - weight of sand and cup after combusting...
... mineralization of NOM, which reduced the sorption capacity of NOM The conversion of particulate matter to dissolvedmatter by chlorination should contribute to an increase of carbon content in the dissolved ... NTU of colloidal particles from river water These results implied that during chlorination the structure ofdissolved NOM was modified, leading to a decrease of UV absorbance, but some organicmatter ... whereas the permeate flux was independent of chlorination when colloidal particles were removed prior to UF Although a change of the nature ofdissolvedorganicmatter was obvious during chlorination,...
... manures which has three roles oforganicmatter sources, of protection of the soil against erosion and of increase in the activity of earthworms which reduce water runoff (Hole et al., 2005; Parfitt ... mineralization processes of the organicmatterof the soil are intense (Thuriès et al., 2000) This trend is observed because of the usual greater microbial activities associated due to organicmatter accumulation ... chemical (carbon, nitrogen and organicmatter content) properties Particles size distribution was measured after oxidation of the organicmatter with hydrogen peroxide (H2O2) of a soil sample sieved...
... condition of inorganic matter is requisite for fertility? What is the fixed rule with regard to this? What is the condition of the alkalies in most of their combinations? Of the acids? What is said of ... aside from the growth of plants It is true that, in the case of the decomposition oforganicmatter in the soil, certain compounds are formed, known under the general names of humus and humic acid, ... breathing of animals and by the decomposition of various kinds oforganic matter, which are exposed to atmospheric influences These gases are chiefly ammonia and carbonic acid, both of which are...
... condition of inorganic matter is requisite for fertility? What is the fixed rule with regard to this? What is the condition of the alkalies in most of their combinations? Of the acids? What is said of ... breathing of animals and by the decomposition of various kinds oforganic matter, which are exposed to atmospheric influences These gases are chiefly ammonia and carbonic acid, both of which are ... heat produced by the decomposition oforganicmatter perceptible to our senses? Is it so to the growing plant? What is another important part of the organicmatter in the soil? Carbon in the soil...
... impact of tree species, further studies are needed in a long-term incubation so as to determine the extent and dynamic of the biodegradation oforganic matter, the nature of water extractable organic ... both the quality and quantity oforganicmatter have to be considered as main parameters controlling organicmatter biodegradability and mineralization The decrease of WEOC observed for all soil ... effect of forest tree species substitution on (i) the biodegradability and mineralization of carbon and nitrogen of the soil organic matter, and (ii) consequently on the mobility and availability of...
... and site preparation 809 Table I Soil properties of the organic and inorganic horizons under mature plantations Values given are means of profiles Organic horizon Depth C cm O N P S ... greater effect of temperature on CO2 fluxes than that of soil moisture [10, 11] The CO2 released from soils originated from two different sources, decomposition of litter and organicmatter and respiration ... activity [34, 40] as well as organicmatter decomposition and mineralization [7, 16, 21, 36] These changes particularly affect the actively cycling fractions of soil organic matter, which comprise...