Relevant bibliographies by topics / Effluent curves

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Academic literature on the topic 'Effluent curves'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Effluent curves"

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Hall, C. Richard, and Richard J. Holmes. "Observations and Comments on the Displacement of Pre-Adsorbed Water from BPL Activated Carbon by Chloropicrin Vapour." Adsorption Science & Technology 6, no. 2 (1989): 83–92. http://dx.doi.org/10.1177/026361748900600203.

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The breakthrough curves of chloropicrin vapour through beds of BPL activated carbon pre-equilibrated at different relative humidities (RH) have been measured. The associated water displacement curves and effluent temperature profiles are also presented. At first, as the experimental RH increases, the slope of the breakthrough curves gradually decreases. However, at high RH (i.e. 80%) the curve becomes distinctly biphasic. It is proposed that the initial steep part of the curve is the result of a build-up of water in the macro (transport) pore structure of the carbon which restricts access of c
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Van Vooren, L., P. Willems, J. P. Ottoy, G. C. Vansteenkiste, and W. Verstraete. "Automatic buffer capacity based sensor for effluent quality monitoring." Water Science and Technology 33, no. 1 (1996): 81–87. http://dx.doi.org/10.2166/wst.1996.0008.

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The use of an automatic on-line titration unit for monitoring the effluent quality of wastewater plants is presented. Buffer capacity curves of different effluent types were studied and validation results are presented for both domestic and industrial full-scale wastewater treatment plants. Ammonium and ortho-phosphate monitoring of the effluent were established by using a simple titration device, connected to a data-interpretation unit. The use of this sensor as the activator of an effluent quality proportional sampler is discussed.
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Khan, Shakeel Ahmad, Muhammad Ibrahim, Yasir Jamil, Md Saiful Islam, and Farhat Abbas. "Spectrochemical Analysis of Soil around Leather Tanning Industry Using Laser Induced Breakdown Spectroscopy." Journal of Chemistry 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/894020.

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We report the use of laser induced breakdown spectroscopy (LIBS) to determine the chromium contamination of soil due to effluents from leather tanning industry in Kasur District of Punjab (+31∘6′23.21″,+74∘27′16.29″) in Pakistan. Calibration curves were constructed by indigenously prepared standard sample and fitting of curves by linear regression. The limit of detection (LOD) was found to be 23.71 mg kg−1. It has been found that the concentration of chromium in the soil is up to 839 mg kg−1in vicinity of effluent drain and 1829 mg kg−1in the area of old stagnant pool, which is much higher tha
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Wassenaar, L. I., J. J. Venkiteswaran, S. L. Schiff та G. Koehler. "Aquatic community metabolism response to municipal effluent inputs in rivers quantified using diel δ18O values of dissolved oxygen". Canadian Journal of Fisheries and Aquatic Sciences 67, № 8 (2010): 1232–46. http://dx.doi.org/10.1139/f10-057.

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The spatial footprint over which municipal wastewater effluents cause changes to aquatic community structure and metabolism is key information required for the management of discharges into rivers. Longitudinal studies were undertaken on the Bow and South Saskatchewan rivers, Canada, to assess a new isotopic and modelling approach that combined O2 and δ18O-O2 diel (24 h) response curves to quantify changes in integrated community aquatic metabolism as a result of point-source wastewater inputs. Diel samplings were conducted over four seasons along 50 km transects at Calgary (Bow River) and Sas
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Erşahin, S. "Quantification of pore-size spectrums by solute breakthrough curves." Hydrology and Earth System Sciences Discussions 8, no. 5 (2011): 8373–97. http://dx.doi.org/10.5194/hessd-8-8373-2011.

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Abstract. Breakthrough of conservative tracers may be used to quantify pore-size spectrum and pore-water velocity distributions in a porous medium. In this study, a theory was proposed to calculate pore-water velocity and corresponding pore-size spectrum in porous media, and its application was demonstrated. Miscible displacement tests of chloride were conducted with sand columns (5 cm id and 5 cm length), repacked with washed sand with a particle size of 2–1, 1–0.45, 0.45–0.325 and <0.325 mm in diameter. The resulting breakthrough curves were divided into approximately 20 segments, and for
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Zhang, Lin, Gui Hua Yang, Hong Lei Chen, and Jia Chuan Chen. "Isolation of the Strains for the Degradation of APMP Pulping Effluent." Advanced Materials Research 864-867 (December 2013): 168–71. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.168.

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In this paper, the strains were separated from pulping effluent and aerobic sludge. The plate separation was used in process of separation and purification. During the selection process, six different strains were obtained according to the differences among the COD removal rates, growth curves, colony feature and characteristics of bacteria. The results of the degrading experiment of pulping effluent showed thatW3andS2had better performance among all of strains. COD of pulping effluent was decreased from 6960 mg/L to 3300 mg/L byW3, the removal rate is 51.87%. When the strainS2was used for the
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Georgin, Jordana, Bianca Silva Marques, Enrique Chaves Peres, Daniel Allasia, and Guilherme Luiz Dotto. "Biosorption of cationic dyes by Pará chestnut husk (Bertholletia excelsa)." Water Science and Technology 77, no. 6 (2018): 1612–21. http://dx.doi.org/10.2166/wst.2018.041.

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Abstract Pará chestnut husk (Bertholletia excelsa) (PCH), an agro-industrial waste largely generated in Brazil, was employed as a low-cost and efficient biosorbent to remove the cationic dyes Crystal Violet (CV) and Methylene Blue (MB) from aqueous media. PCH presented an amorphous structure containing carboxylic acids, esters, ketones and aldehydes on the surface. Non-porous and irregular particles were also observed. For both dyes, the biosorption capacity was favored under acid conditions. Equilibrium was attained within 40 min at 25 °C with a PCH dosage of 0.5 g L−1. The biosorption kineti
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Patterson, D. C., and D. J. Kilpatrick. "Effluent from grass silage for finishing pigs." Journal of Agricultural Science 116, no. 1 (1991): 119–24. http://dx.doi.org/10.1017/s0021859600076218.

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SUMMARYA total of 52 individually penned pigs (mean initial and final live weights (LW) of 31·7 and 81·5 kg, respectively) was used in a randomized block experiment at the Agricultural Research Institute of Northern Ireland, Hillsborough, in 1984. The treatments were based on dietary regimes which comprised a control diet in which meal was offered at 86 g dry matter/k W0·75 per day or diets in which silage effluent was substituted for part of the allowance of meal of the control diet at 125, 175, 225 and 275 g/kg on a dry matter basis to give 0·125, 0·175, 0·225 and 0·275 effluent diets. There
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Scarazzato, T., D. C. Buzzi, A. M. Bernardes, J. A. S. Tenório, and D. C. R. Espinosa. "CURRENT-VOLTAGE CURVES FOR TREATING EFFLUENT CONTAINING HEDP: DETERMINATION OF THE LIMITING CURRENT." Brazilian Journal of Chemical Engineering 32, no. 4 (2015): 831–36. http://dx.doi.org/10.1590/0104-6632.20150324s00003511.

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Zietzschmann, F., J. Müller, A. Sperlich, et al. "Rapid small-scale column testing of granular activated carbon for organic micro-pollutant removal in treated domestic wastewater." Water Science and Technology 70, no. 7 (2014): 1271–78. http://dx.doi.org/10.2166/wst.2014.357.

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This study investigates the applicability of the rapid small-scale column test (RSSCT) concept for testing of granular activated carbon (GAC) for organic micro-pollutants (OMPs) removal from wastewater treatment plant (WWTP) effluent. The chosen experimental setup was checked using pure water, WWTP effluent, different GAC products, and variable hydrodynamic conditions with different flow velocities and differently sized GAC, as well as different empty bed contact times (EBCTs). The setup results in satisfying reproducibility and robustness. RSSCTs in combination with WWTP effluent are effectiv
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Dissertations / Theses on the topic "Effluent curves"

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Ribeiro, Danilo Pereira. "Efeito da velocidade de escoamento da solução e do comprimento da coluna de solo nos parâmetros de transporte de solutos em solos argiloso e arenoso." Universidade Federal de Viçosa, 2011. http://locus.ufv.br/handle/123456789/3580.

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Made available in DSpace on 2015-03-26T13:23:35Z (GMT). No. of bitstreams: 1 texto completo.pdf: 1110634 bytes, checksum: 2fca1d4f36b7153de287bd841f14152d (MD5) Previous issue date: 2011-02-10<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The effectiveness of the mathematical models developed to describe the solute transport in the soil depends on the reliability of the values of the transport parameters. Although the determination of these parameters use the same transport equation, some experimental conditions such as the column length and the pore water velocity does
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Capps, Dustin. "A Modeling Analysis of Dissolved Carbon Dioxide Discharged from Howard F. Curren Advanced Wastewater Treatment Plant." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3031.

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Currently, the US Environmental Protection Agency primarily regulates the discharge of dissolved nitrogen and phosphorous from wastewater treatment plants in the United States. A recent study has shown that the treated effluent of many plants contains concentrations of dissolved carbon dioxide well above the expected theoretical equilibrium concentration of 0.6 mg/L, indicating that carbon dioxide may have been overlooked as a possible pollutant in receiving waters. For this reason, it is necessary to examine the possible presence of a discharge plume containing high levels of dissolved CO2
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Martí, Calatayud Manuel César. "STUDY OF THE TRANSPORT OF HEAVY METAL IONS THROUGH CATION-EXCHANGE MEMBRANES APPLIED TO THE TREATMENT OF INDUSTRIAL EFFLUENTS." Doctoral thesis, Universitat Politècnica de València, 2015. http://hdl.handle.net/10251/46004.

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La presente Tesis Doctoral consiste en la determinación de las propiedades de transporte de diferentes especies catiónicas a través de membranas de intercambio catiónico. Las membranas de intercambio iónico son un componente clave de los reactores electroquímicos y de los sistemas de electrodiálisis, puesto que determinan el consumo energético y la eficiencia del proceso. La utilización de este tipo de membranas para el tratamiento de efluentes industriales no es muy extendida debido a los requisitos de elevada resistencia química y durabilidad que deben cumplir las membranas. Otro asunto impo
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Hoskins, Tyler Courtney. "Water and nutrient transport dynamics during the irrigation of containerized nursery crops." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/48165.

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Increased water- and fertilizer-use-efficiency in containerized crop production, via reduced water loss, enhances crop-available nutrients while reducing non-point source agrichemical contributions in accordance with regulatory standards. Previous studies detailed nutrient leaching patterns throughout crop production seasons, leaving little known about water and dissolved nutrient (solute) movement through soilless substrates during irrigation. The following experiments evaluated fundamental water and solute transport principles through pine-bark based substrates. 1) Ilex crenata Thunb. 'Benne
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Khumalo, Lamlile Hlakaniphile Ntando. "Application of biological sample oxidiser and low-level liquid scintillation counter for the determination of ¹⁴C and ³Hcontent in water from the Hartbeespoort Dam in North-West Province." Diss., 2002. http://hdl.handle.net/10500/22060.

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The aim of the research study was to evaluate the levels of 14C and 3H radionuclides in Hartbeespoort Dam water and to determine if these radionuclides are within regulatory concerns. Water samples from Hartbeespoort Dam were prepared using the Sample Oxidiser Method and measurements of selected radionuclides were done using Liquid Scintillation Counter Quantulus 1220. The results evaluated suggest that water from Hartbeespoort Dam contains levels of 14C and 3H radionuclides that are within regulatory limits. The highest average concentration for 14C measured was 3.77E+01 (+/-2.47E-01) Bq/L, w
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Khumalo, Lamlile Hlakaniphile Ntando. "Application of biological sample oxidiser and low-level liquid scintillation counter for the determination of ¹⁴C and ³H content in water from the Hartbeespoort Dam in North-West Province." Diss., 2016. http://hdl.handle.net/10500/22060.

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The aim of the research study was to evaluate the levels of 14C and 3H radionuclides in Hartbeespoort Dam water and to determine if these radionuclides are within regulatory concerns. Water samples from Hartbeespoort Dam were prepared using the Sample Oxidiser Method and measurements of selected radionuclides were done using Liquid Scintillation Counter Quantulus 1220. The results evaluated suggest that water from Hartbeespoort Dam contains levels of 14C and 3H radionuclides that are within regulatory limits. The highest average concentration for 14C measured was 3.77E+01 (+/-2.47E-01) Bq/L, w
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Books on the topic "Effluent curves"

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Goffin, Eric, Laura Labriola, and Michel Jadoul. Bacterial and fungal infections in patients on peritoneal dialysis. Edited by Jonathan Himmelfarb. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0270.

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Infections specifically related to peritoneal dialysis include peritonitis on the one hand, and exit-site and tunnel infections on the other hand.The diagnosis of peritonitis rests on the classical triad of cloudy dialysate, abdominal pain, and presence of &lt; 100 white-cells (including &lt; 50 % polymorphonuclear cells) within the dialysate effluent. Because peritonitis is associated with high mortality and morbidity rates, empiric antibiotics should be initiated without delay, covering both Gram-positive and Gram-negative organisms. Most regimens include vancomycin or a first-generation cep
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Book chapters on the topic "Effluent curves"

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Salahin, Musfiques, and George Yuzhu Fu. "Immobilization of Powdered Coal Fly Ashes (CFAs) into CFA Beads and Column Studies on Color Removal from Pulp Mill Effluents Using These CFA Beads." In Wastewater Treatment [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94293.

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In this study, immobilization process of the three (3) powder CFAs was studied. The major results on immobilization process were briefly presented. A total number of fifteen (15) column studies from the combination of the five (5) types of CFAs beads and the three (3) PMEs samples were performed. In each column study, a set of aggregate parameters of flow rate, empty bed contract time, operational time, and throughput volume was studied, and the data was fitted to existing modeling of breakthrough curves. The overall operational time was 12–24-hour, color removal efficiencies were 40–90%, and throughput volume of treated PMEs was 10–14 bed volume. For the column study, the correlation coefficient R2 value for each combination indicated that the Thomas model had a better fit with the observed data than the Adams-Bohart model, and the color adsorption capacities of CFA beads varied in a wide range of 0.31–28.23 mg/g.
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Abriola, Linda M., and Kurt D. Pennell. "Persistence and Interphase Mass Transfer of Liquid Organic Contaminants in the Unsaturated Zone : Experimental Observations and Mathematical Modeling." In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0012.

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Surface and subsurface releases of organic chemicals have resulted in widespread contamination of groundwaters and soils. Frequently, such chemicals are introduced into the subsurface as nonaqueous-phase liquids (NAPLs), which are only slightly miscible with water. These organic liquids tend to migrate downward through the unsaturated soil zone, displacing the pore gases under the action of gravitational forces. During its migration, a portion of the NAPL will become entrapped in the soil pores due to capillary forces, creating zones of persistent contamination in the soil matrix. Organic liquid saturation in such zones may range from approximately 4% to 10% of the pore space (Wilkins et al., 1995). This entrapped NAPL may serve as a long-term source of contamination to the aqueous and gaseous pore fluids through subsequent dissolution and volatilization. Soil vapor extraction (SVE) has evolved over the past decade as an attractive in situ remediation technology for unsaturated soils contaminated by entrapped volatile organic compounds (VOCs). This technology involves the induction of gas flow within the porous medium to enhance volatilization of entrapped contaminants (Hutzler et al., 1989). Based upon the success of a number of feasibility studies and the ease of implementation, SVE remediation technologies are currently employed at approximately 18% of Superfund sites (Travis and Macinnis, 1992). An extensive review of the literature pertaining to SVE and related technologies is given in Rathfelder et al. (1995). Although widely implemented, SVE systems are typically designed and installed with limited understanding of the processes that control their effectiveness. Clearly, the performance of SVE will be strongly influenced by contaminant volatility and effective gas-phase permeability (Pedersen and Curtis, 1991). Relatively little is known, however, about the physical and chemical processes that control contaminant vapor-phase mass transfer. The SVE systems characteristically exhibit large initial VOC recovery rates, followed by a rapid decline in effluent gas concentrations to a persistent low level (e.g., Crow et al., 1987; DiGiulio, 1992). Furthermore, a temporary increase in the produced gas organic concentration has often been observed following SVE shutdown periods (McClellan and Gilham, 1992). Such behavior suggests the presence of mass transfer limitations.
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Conference papers on the topic "Effluent curves"

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Tollkoetter, Alexander, Norbert Kockmann, Florian Schirmbeck, and Jens Wesholowski. "High Flow Rate Micro Orifice Dispersion of Gas-Liquid Flow." In ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icnmm2015-48221.

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The flow of microbubbles in millichannels with typical dimensions in the range of few millimeters offers a reduced pressure loss with simultaneous large specific contact surface. By flowing through micro orifices, the transformation of pressure into kinetic energy creates a desired secondary flow pattern, which results in continuous dispersion. Differences in velocity and pressure act on the phase boundary of the bubbles and lead to deformations and break-up. In this work, bubble dispersion and bubbly flow in different orifices and channel modules with widths up to 7 mm are studied experimenta
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Zhang, Peikun, Li Wang, Yuzhi Cheng, Zhengqiang Li, Yuan Gao, and Ding Wang. "Regeneration Strategies of Air-Purification TSA Process for Cryogenic Air Distillation Plant." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90330.

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Since the regeneration step in the Temperature Swing Adsorption (TSA) process requires time enough to heat and cool the bed, it is often the time-limiting step in the TSA cycle and it consumes a huge amount of energy for regeneration. Therefore, a valid management of the regeneration process can minimize the energy consumption of the TSA process which is involved with regeneration time, purge gas requirements, and heat load. Simulation software was developed for industrial scale bed of TSA. A new isotherm equation which performs well in predicting experiment data was extended to multi-componen
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Seebacher, Gernot, Axel A. Schmidt, and Jochen Offermann. "Oil in Water Monitoring Using Advanced Light Scattering." In ASME/USCG 2013 3rd Workshop on Marine Technology and Standards. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/mts2013-0301.

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The paper provides background on how bilge water has changed over the years and how technology has enabled manufacturers to stay ahead of the curve by borrowing technological breakthroughs from other areas to the measurement of oil content in the marine environment. Light scattering provides today a universal and reliable method, able to measure the wide range of oils present in a wildly variable and unpredictable bilge water mixture. Bilge water regulations were put in place to reduce the potential of harm to the environment from oily bilge water discharges. Regulations require that instrumen
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Mohd Ismail, Ismarullizam, Vidar Mathiesen, Anson Abraham, Ehsan Ranjbar, Faraj Zarei, and Jeremy Walter. "An Innovative Modelling Approach in Characterization of Autonomous Inflow Control Valve Performance to Maximizing Oil Recovery in Heavy Oil-SAGD Application." In SPE Thermal Integrity and Design Symposium. SPE, 2021. http://dx.doi.org/10.2118/203859-ms.

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Abstract Flow control devices (FCDs) have demonstrated significant potential in improving recovery from Steam Assisted Gravity Drainage (SAGD) production wells. Passive FCDs will allow the SAGD producer well to create additional pressure drop to balance the production influx, improving overall conformance and promoting accelerated hydrocarbon production. However, passive FCDs cannot effectively restrict steam effluents once steam breakthrough at the production well occurs. The Autonomous Inflow Control Valve (AICV) actively delivers a dynamic flow restriction with the ability to choke and/or ‘
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Goebel, Summer, and Colin R. Criminger. "Performance Experienced From Switching Copper Condenser Tubing to a High Performance Stainless." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54828.

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Over a period of five years, the condensers of two sister 500 MW Units, in the Midwest, were retubed using a SEA-CURE® S44660 material. S44660 is a high alloy, super ferritic stainless steel. The S44660 material replaced the original Admiralty and copper/nickel condenser tubing. Several factors contributed to the decision to use S44660 as the condenser tube material. The critical factor in the decision was a pending lower copper discharge limit in the plant’s National Pollutant Discharge Elimination System (NPDES). The plant was unable to meet the lower copper limits with copper condenser tube
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Urdaneta, Marisely. "Coreflood Model Calibration for Alkali Surfactant Polymer Process from a High Salinity Reservoir to Design an ASP Pilot." In SPE Symposium: Petrophysics XXI. Core, Well Logging, and Well Testing. SPE, 2021. http://dx.doi.org/10.2118/208432-ms.

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Abstract This paper aims to address calibration of a coreflood Alkali Surfactant Polymer (ASP) formulation experiment through parametrization of fluid-fluid and rock-fluid interactions considering cation exchange capacity and by rock to guide an ASP pilot design. First of all, a series of chemical formulation experiments were studied in cores drilled from clastic reservoir so that displacement lab tests were run on linear and radial cores to determine the potential for oil recovery by ASP flooding and recommended the chemical formulation and flooding schemes, in terms of oil recovery. Therefor
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