biotechnology in wastewater treatment
Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems
... not sufficient in Unoke River and rain water The bacterial density in the water samples before and after incubation within d is shown in Fig The density increased in all wastewater treatment effluent ... stockbreeding farms in Kahokugata reclaimed land, Ishikawa The samples were stored in an ice box or in a refrigerator maintained at 4°C We started the experiment within 24 h of sampling Tetracycline hydrochloride ... culture method using the R2A agar medium (Eiken Chemical, Japan) containing 100 mg/L tetracycline The inoculated plates were incubated at 20°C for d After incubation, the colonies obtained on the...
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Integration of energy and environmental systems in wastewater treatment plants
... Technology She received her B.S in Industrial Engineering from North Carolina State University, Master of Engineering in Mechanical Engineering and Master of Business Administration from the University ... Pollution of receiving water courses following upset of wastewater treatment process by industrial discharges Adequate pretreatment of industrial wastewater; efficient monitoring and enforcement ... during the wastewater treatment are mechanical mixing, chemical dosing, media and membrane filtration, dissolved air floatation, sludge handling and disposal, and digester heating Wastewater treatment...
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Electrochemical technologies in wastewater treatment
... treated directly using a recovery system as in metal surface finishing industry Application of metal recovery should be very much useful in metal winning in mining industry especially in the production ... found to be the best near neutral pH using aluminum electrode When iron electrode was used in textile printing and dying wastewater treatment, alkaline in uent was G Chen / Separation and Purification ... treatment and aluminum for water treatment because iron is relatively cheaper The aluminum plates are also finding applications in wastewater treatment either alone or in combination with iron...
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Flocculation dynamics of synthetic and activated sludge in wastewater treatment pptx
... feeding regimes This finding could be explained by the work of Higgins and Novak [11] Their work concluded that when cation ions were present in slow feeding, they could become incorporated within ... improvements in settling and dewatering due to increased particle sizes should correlate to an increase in the bound exocellular polymer content involved in the aggregation process 3.4 Sludge Conditioning ... in an incubator at 12 rpm and 25 0C for 12h Alginate was adsorbed on the particles during the incubation period When the incubation period was completed, Ca (II) was added to samples in varying...
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Design models for adsorption systems in wastewater treatment
... the operating line can be constructed on the equilibrium curve (Figure 10) The operating line is the straight line of slope L/G, joining the terminal conditions v, Y Figure 10 Operating diagram ... difficulties included obtaining uniform flow of solid particles and fluid without channelling or local irregularities, as well as those of introducing and removing the solid continuously into the ... Fornwalt, H J.; Hutchins, R A Chem Engng April, 1966 Joyce, R S.;Valentine, A S Activated Carbon in Wastewater Treatment Seminar on Advanced Waste Treatment Research, Cincinnati, Ohio, 1962 Hager...
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Enhancement of domestic wastewater treatment under long sewer line condition in a laboratory set-up by Aspergillus niger bioaugmentation
... glucosaminidase β-glucosidase α-glucosidase β-galactosidase β-glucurosidase α-galactosidase Phosphohydrolase Acid phosphatase Chemotrypsine Trypsine Cystine aminopeptidase Valine aminopeptidase Leucine ... enzymes in its growth medium The aims of this research were (i) to assess the ability of A niger in removing chemical oxygen demand (COD) and proteins in raw wastewater under long sewer line condition ... l-1 casein peptone Two millilitres of fungal spores collected from bottles of TSA with 20 ml of preculture medium containing 0.1% Tween 80 were inoculated in a 250 ml baffled flask containing 100...
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Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam
... of sustainability, or of threats to sustainability In order to this, proper sustainability criteria/indicators must provide this information, to indicate our progress in achieving sustainability ... 2002) In analyzing the sustainability of sanitation technologies in general and wastewater treatment technologies in particular, the different dimensions of sustainability should be taken into ... population in income group i in inventory year Ti,j = degree of utilization of treatment/ discharge pathway or system, j, for each income group fraction i in an inventory year i = income group:...
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Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment
... DOM in the original river water sample seems to fit into two linear portions indicating two classes of binding sites In contrast, DOMs in the samples after and weeks fitted to a single line, ... of zinc binding sites in river water DOM Fig represents the variation of DOC, UV254 and SUVA during the river water incubation for weeks in the preliminary study During the first days of incubation, ... slopes of the lines in a particular binding site class Conditional stability constant for the strong type of binding site remained at log K1' = 7.2 while that in weak type remained at log K2'...
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Domestic Wastewater Reclamation Coupled with Biofuel/Biomass Production Based on Microalgae: A Novel Wastewater Treatment Process in the Future
... wastewater as a kind of resource instead of just waste, and shifts the wastewater treatment process from being a mere treatment process” into a “production process” While treating wastewater, it ... properties while growing in the secondary effluent of domestic wastewater, and the results are shown in Fig Most of the oily microalgal species reported in literature could not grow in the secondary ... CO2 fixation In the microalgal cultivation system the microalgae grow with inorganic nutrients in wastewater as growth medium, and at the same time the nitrogen and phosphorus in wastewater are...
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Tài liệu THE VALUE OF IMPROVED PUBLIC SERVICES: AN APPLICATION OF THE CHOICE EXPERIMENT METHOD TO ESTIMATE THE VALUE OF IMPROVED WASTEWATER TREATMENT INFRASTRUCTURE IN INDIA docx
... to Estimate the Value of Improved Wastewater Treatment Infrastructure in India Ekin Birol International Food Policy Research Institute, 2033 K Street, NW, Washington, DC 20006-1002, USA E.Birol@cgiar.org ... * Working Paper 49/2009 MNEs and Export Spillovers: An Analysis of Indian Manufacturing Industries Chiara Franco and Subash Sasidharan * Working Paper 50/2010 Reforming Indirect Taxes in India: ... contained two wastewater treatment scenario and an „opt out‟ option which is considered as a status quo or baseline alternative whose inclusion in the choice set is instrumental to achieving welfare...
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Biotechnology for waste and wastewater treatment n cheremisinoff
... mineral leaching can be applied to water decontamination in conjunction with other microorganisms In many mining operations, water is pumped out of the mines to prevent flooding Water used in ... storage in the final settling tanks Contact Stabilization Contact stabilization utilizes similar principles of sludge reaeration as discussed in the step-feed process In this system the incoming wastewater ... by some 400% Biotechnology for Waste and Wastewater Treatment Researchers, involved in training bacteria Bacillus megaterium and Nocardiopsis to consume dioxin, observe that dioxin could easily...
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Biotechnology for waste and wastewater treatment
... mineral leaching can be applied to water decontamination in conjunction with other microorganisms In many mining operations, water is pumped out of the mines to prevent flooding Water used in ... storage in the final settling tanks Contact Stabilization Contact stabilization utilizes similar principles of sludge reaeration as discussed in the step-feed process In this system the incoming wastewater ... 400% Content Biotechnology for Waste and Wastewater Treatment Researchers, involved in training bacteria Bacillus megaterium and Nocardiopsis to consume dioxin, observe that dioxin could easily...
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Market analysis and developing a competitive marketing strategy for selling medical solid waste wastewater treatment equipment to customers in vietnam
... Vietnam 88 4.3.1 Analyzing medical solid waste treatment industry 88 4.3.2 Analyzing medical wastewater treatment industry 91 4.4 Evaluating and selecting target segments 93 4.5 Dealing with competitors ... Medical wastewater treatment industry structure analysis 91 TABLE 15 Evaluating market segments in the medical solid waste treatment industry TABLE 16 93 Evaluating market segments in the medical wastewater ... mangement status in Vietnam 70 4.1.4 Medical waste treatment equipment buying process 82 4.2 Segmenting medical waste treatment markets 86 4.3 Analyzing medical waste treatment industry in Vietnam...
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Research on UNITANK technology and its application in municipal wastewater treatment plant
... Engineering Application of UNITANK Technology Overview of the Project Land treatment process was chosen as the first-stage project in Xingtai Wastewater Treatment Plant located in Hebei Province ... aeration settling, effluent main stage stage 0.5 aeration influent, aeration settling, effluent stage 1.0 settling influent, aeration settling, effluent stage 2.5 settling, effluent aeration influent, ... mode of Xingtai Wastewater Treatment Plant is hours per cycle, which is shown in Table Table Operation Mode of Xingtai Wastewater Treatment Plant stages time [h] tank A tank B tank C influent,...
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Long term effects of zinc oxide nanoparticles on wastewater treatment in a membrane bioreactor (MBR) process
... issued by EPA in 2009, the zinc content in WWTPs (84 in total) biosolids was 8.55 g/kg-SS (US EPA, 2009) Investigations in China in 2011 (139 WWTPs in total) and in 2009 (107 WWTPs in total) showed ... important to study the changes in bacteria community structure due to longterm exposure of ZnO-NPs in order to gain more insight into the microbialNPs interaction in wastewater treatment process 1.3 Membrane ... the following main objectives: To examine the effect of ZnO-NPs on the treatment efficiencies of MBR system in wastewater treatment To examine the removal of ZnO-NPs by MBR To examine the...
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Báo cáo y học: "Special considerations in the treatment of patients with bipolar disorder and medical co-morbidities"
... affecting ALT levels Obtaining pretreatment baseline ALT levels in patients with HCV is recommended as well as monitoring of levels during treatment Discontinuation of valproate when aminotransferase ... pathophysiology of treatment- emergent diabetes, guidelines are being formulated to aid clinicians in identifying patients at risk Screening for diabetes should include questioning patients about ... studied primarily in patients with seizure disorders Carbamazepine-induced increase in total cholesterol is primarily due to an increase in HDL [34] This occurs during the initial weeks of therapy,...
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Báo cáo y học: "Technical Considerations in Decompressive Craniectomy in the Treatment of Traumatic Brain Injury"
... hemicraniectomy in normal brain An experimental PET-study in cats Brain Res 2003;982:31-37 37 Sakamoto S, Eguchi K, Kiura Y, et al CT perfusion imaging in the syndrome of the sinking skin flap before ... was repeated in parallel rows of incisions so that each incision in one row was adjacent to an intact dural bridge in the rows on either side The same course was then performed, but in a direction ... of interest exists References 10 11 12 13 14 15 16 17 18 Timofeev I., Hutchinson PJ Outcome after surgical decompression of severe traumatic brain injury Injury 2006;37:1125-1132 Coplin WM Intracranial...
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Báo cáo y học: "Godoy & Godoy technique in the treatment of lymphedema for under-privileged populations."
... in circumference and more than 10 kg (32% to 100% of the lymphedema) being seen in five-day treatment programs 19 (Intensive Treatment of leg lymphedema in the outpatients “clinic” in press Indian ... variations in working pressures of the main groups of muscles of the limbs whilst using compression mechanisms during exercising This is a new line of research that aims at developing facilitating devices ... fundamental and should be performed on a daily basis during intensive treatment and at differing intervals depending on each patient during non-intensive treatment This control is essential to evaluate...
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