Modeling performance in reverse osmosis wastewater treatment post-trial coke in the integrated systems based on the assumptions of the relaxation model
Journal Title: Civil and Environmental Engineering Reports - Year 2011, Vol 1, Issue 6
Abstract
The paper presents the results of studies on coking wastewater, coming from the coke plant "Koksownia Czestochowa Nowa" in two integrated systems associating coagulation volume and advanced oxidation with reverse osmosis. The process of coagulation were performed using iron sulfate (III), (PIX 113) of 400 mg/dm3 and wastewater acidity at pH = 9. The second processes – advanced oxidation was carried out using Fenton's reagent. The concentration of iron (II) was 0.8 g/dm3 and hydrogen peroxide 2.4 g/dm3. Coke post-process water after its initial treatment was subjected to high-pressure membrane filtration. In the process of reverse osmosis a flat polyamide membrane ADF of Osmonics was used. Transmembrane pressure was 2 MPa and the linear speed of water on the membrane surface of 2m/s. Comparison of the effectiveness of wastewater treatment in both tested systems has shown that the system combining the advanced oxidation with reverse osmosis is more effective. In addition, this study attempts to model effectiness of the process of reverse osmosis in both studied systems, based on the assumptions of a relaxation model. An experimentally determined dependence of changes in volume of treated wastewater fluxes from the time of the high-pressure membrane filtration, and the values of time constant efficiency of the process characterized by a decrease to below economic viability allowed us fo verify this model.<br/><br/>
Authors and Affiliations
K. Mielczarek, J. Bohdziewicz, A. Kwarciak-Kozłowska
Keywords
Related Articles
- EP ID EP346874
- DOI -
- Views 62
- Downloads 0
Trace elements in solutions from zeolite synthesis
The paper presents the content of selected elements in solutions formed after the synthesis of zeolitic material based on fly ash. Fly ash samples were taken from two pulverized fuel-fired boilers at the Rybnik Power Pla...
On the tolerance averaging of heat conduction for periodic hexagonal-type composites
The paper deals periodic composites which two-dimensional material structure is determined by the anisotropic conductivity matrix invariant with respect to the pair of translations such that the periodic cell determined...
HEAVY METAL UPTAKE BY NOVEL MISCANTHUS SEED-BASED HYBRIDS CULTIVATED IN HEAVY METAL CONTAMINATED SOIL
When heavy metal contaminated soils are excluded from food production, biomass crops offer an alternative commercial opportunity. Perennial crops have potential for phytoremediation. Whilst the conditions at heavy metal...
VALUE OF ANTIQUITY IN THE RESTORATION PROCESS OF THE ART NOUVEAU VILLA DUELFER IN BARLINEK
The value assigned to time-worn objects and buildings seems crucial to a conservator’s theoretical beliefs. The notion of antiquity is almost imprinted in the structure of the building itself, as well as in the concept o...
RESEARCH OF THE INTERACTION OF PILES WITH DIFFERENT LENGTHS AND THE GRILLAGE IN THE FOUNDATIONS OF HIGH-RISE BUILDINGS
The interaction of piles with different lengths and the grillage in the foundations of high-rise buildings is considered. The numerical modeling of the «base – foundation – superstructure» system is performed. The redist...