نتایج جستجو برای: turbidity reduction

تعداد نتایج: 497526  

2015
Sang-Hyuk Park Jayong Koo

This study develops a sedimentation process model that simulate the effects of inflow water quality, treatment flow rate and outflow water quality. The model uses transfer function ARIMA (Auto-Regressive Moving Average) for reflecting the dynamic characteristics of the system The sedimentation model for outflow water turbidity are separated into low and high turbidity by input variables, turbid...

2013

The effect of polyelectrolytes; cationic and anionic charges and coagulants have been investigated for fresh activated sludge at different concentrations and pH values in a comparative fashion. The results from the experiments indicate that the cationic polyelectrolytes have a significant effluence on the sludge characteristic, degree of flocculation and water quality such as turbidity and SVI....

Journal: :Applied Water Science 2021

Abstract The canteen and laboratory of every academic organization need a lot clean water, it generates equivalent amount wastewater hour which is neither purified nor reused. Due to water scarcity, the recycling reusing become very essential. present study describes simple cost-effective method for design small-scale treatment plant purification generated by household, an institute. current ex...

2008
Angela G. Poovey Michael D. Netherland Wendy Crowell

PURPOSE: A small-scale study was conducted to evaluate fluridone (1-methyl-3-phenyl-5-[3trifluoromethyl)phenyl]-4(1H)-pyridinone) efficacy under varying levels of turbidity when controlling curlyleaf pondweed (Potamogeton crispus L.). There is no information on the effect of turbidity on fluridone efficacy against curlyleaf pondweed. It is unknown if turbidity impacts aqueous fluridone concentr...

Journal: :Clinical chemistry 1984
C P Flack J W Woollen

In assay of serum proteins by use of the biuret reaction, dextran can cause turbidity by formation of an insoluble complex of dextran with copper and tartrate (or EDTA) in strongly alkaline solution. Whether or not the turbidity occurs depends on the tartrate concentration: turbidity is maximal at about 10 g/L, absent at 20 g/L or more, and only slight and delayed at 4 g/L. Two biuret reagents,...

2009
L. J. Xu B. W. Sheldon D. K. Larick R. E. Carawan

The efficacy of a laboratory electrocoagulation (EC) system for treating egg processing plant wastewater (WW) is reported. For simulated and industrial egg processingWW, chemical oxygen demand, turbidity, and total suspended solids (TSS) were reduced 92 to 97%, 97%, and 99%, respectively, after treatment with EC. The final TSS concentration and turbidity values were 30 mg/ L and 5 formazin turb...

Journal: :مجله بهداشت محیط و توسعه پایدار 0
majid farhadi 1msc,environmental health engineering, school of health, ahvaz jundishapur university of medical sciences, ahvaz, iran afshin takdastan associate prof. environmental technologies research center , ahvaz jundishapur university of medical sciences, ahvaz, iran roghayeh baghbany msc, school of health, ahvaz jundishapur university of medical sciences, ahvaz, iran

introduction: colloidal materials and suspended solids cause turbidity in water. to remove turbidity, clarification method is used that includes processes of coagulation, flocculation, and sedimentation. due to the long duration of coagulation process, coagulant aids are applied. despite the favorable efficiency of synthetic polyelectrolytes as a coagulant aid, due to their harmful effects on h...

2009
Eckart Meiburg Ben Kneller

The article surveys the current state of our understanding of turbidity currents, with an emphasis on their fluid mechanics. It highlights the significant role these currents play within the global sediment cycle, and their importance in environmental processes and in the formation of hydrocarbon reservoirs. Events and mechanisms governing the initiation of turbidity currents are reviewed, alon...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2011
A Hannouche G Chebbo G Ruban B Tassin B J Lemaire C Joannis

This article confirms the existence of a strong linear relationship between turbidity and total suspended solids (TSS) concentration. However, the slope of this relation varies between dry and wet weather conditions, as well as between sites. The effect of this variability on estimating the instantaneous wet weather TSS concentration is assessed on the basis of the size of the calibration datas...

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