... tank and a microfiltration membrane as separation apparatus The aeration tank was made from Plexiglas with a working volume of liters Air was supplied to the aeration tank through diffusers at a ... quality, and kinetic parameters were also investigated PERMEATE COMPRESSED AIR INFLUENT AIR SLUDGE WASTE Fig Schematic Diagram of the Coupling of Activated Sludge Proces...
... uptake by Candidatus ‘Accumulibacter phosphatis’ and Candidatus ‘Competibacter phosphatis’ Within the tested pH range (initial pH from to and final pH from to 8), pH had similar impact on anaerobic ... Right: R eutropha ) Effect of pH on acetate uptake by PAOs and GAOs The profiles of pH, acetate uptake, and phosphate release observed in the cold...
... VIETNAM NATIONAL UNIVERSITY, HANOI VNU UNIVERSITY OF SCIENCE NAKHONEKHAM XAYBOUANGEUN SEAFOOD PROCESSING WASTEWATER TREATMENT BY USING ACTIVATED SLUDGE REACTOR FOLLOWED BY CYPERUSMALACENSIS LAM CONSTRUCTED ... (Sirianuntapiboon and Nimnu, 1999) To avoid this impact, treatment of seafood processing wastewater before discharge has been proposed A candidate meth...
... for 3.0 and 5.0 % of total VS concentrations could not be conducted because of low VS concentration of sewage sludge 20 mL of seed sludge and appropriate amounts of food waste and sewage sludge ... produce moles of hydrogen with mole of n-butyrate or moles of hydrogen with mole of acetate from mole of hexose In most cases using soluble defined substra...
... 2003 The characteristics of a granular activated carbon In a granular activated carbon contact basin, virgin carbon is domestic activated carbon made from palm shell, reactivated carbon means activated ... conditions and methods The study selected basins(2 reactivated, spent carbon basins, and virgin carbon basin) of granular activated carbon from 24 ones...
... with incubation time In other word, the adsorption capacity of PAC increased with increase in the amount of organic carbon on PAC The adsorption capacity of PAC after 4th incubation was almost the ... of organic carbon on PAC after each incubation Figure Figure shows the adsorption isotherm of new PAC, PAC in the aeration tank, and PAC after...
... an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods Activated sludge samples Activated sludge samples were collected from ... was the most effective extraction method for activated sludge However, cell disruption is not effective for the isolation of bioflocculants Thus, NaOH extr...
... natural activated sludge An extracellular polymer was extracted from an activated sludge suspension and was characterized because an extracellular polymer closely related to flocculation of activated ... drawn from the results of the study An extracellular polymer closely related to flocculation of activated sludge was obtained from th...
... archaebacteria Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ ... Quantitative PCR and FISH method in Activated sludge The amount of Candidatus ‘Accumulibacter phosphatis’ in the la...
... carbon storage is one of the important processes for the DOC removal in activated sludge CONCLUSIONS The occurrence of temporal carbon storage material, PHA, was confirmed in the course of wastewater ... calculated as the amount of PHA increased during the anaerobic phase divided by the amount of carbon supplied as influent in one cycle...
... important for further investigation Number of ammonia oxidizers and copy number of amoA mRNA The time courses of the copy number of amoA mRNA and the number of ammonia oxidizer are shown in Fig No significant ... PCR-reaction-1) Community analysis of ammonia oxidizer based on amoA mRNA The difference of the effect of polyferric sulfate...
... soil columns to determine the eects of sludgeprocessing mode, initial soil pH and soil texture on the short- and long-term mobility of metals and nutrients The sludge products (detailed in Richards ... adjustment in soil pH) and at the end of each cropping cycle Dewatered sludge columns saw pH levels decline somewhat during agronomic Fig Hudson...
... settling in a clarifier is one of the most critical operations in the activated sludge process Bioflocculation of activated sludge determines how the sludge will dewater, flow, and settle, all of ... aluminium ions also seem to assist in floc binding and the flocculation of other organic material The cation contribute significantly to the binding of the sludge...