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Suresh A, Lingam R, Sriramoju S, Bodewar A, Ray T, Dash P. Pilot scale demineralization study on coal flotation tailings and optimization of the operational parameters with modeling. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.minpro.2015.11.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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52
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John BM, Mathew S, Suresh A. Reproductive Outcome Analysis of 286 Women Who Underwent Hysteroscopic Septum Resection for Complete and Partial Septum of the Uterus. J Minim Invasive Gynecol 2015; 22:S110-S111. [PMID: 27678590 DOI: 10.1016/j.jmig.2015.08.299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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53
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Kuriakose M, Suresh A, Siddappa G, Mohanta S. Why do oral cancer recur locally after R0 resection. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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54
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Rakesh KB, Suresh A, Rao PRV. Separation of U(VI) and Th(IV) from Nd(III) by Cross-Current Solvent Extraction Mode Using Tri-iso-amyl Phosphate as the Extractant. SOLVENT EXTRACTION AND ION EXCHANGE 2015. [DOI: 10.1080/07366299.2015.1064738] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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55
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Dash PS, Prasad DN, Sriramoju SK, Lingam RK, Suresh A, Banerjee PK, Ganguly S. Maximizing Demineralization during Chemical Leaching of Coal through Optimal Reagent Addition Policy. CHEMICAL PRODUCT AND PROCESS MODELING 2015. [DOI: 10.1515/cppm-2014-0019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The main objective of the optimal reagent addition was to maximize the quantity of product with minimal quantity of feed. In the present study, the optimal addition of reagents during the chemical leaching of coal was computed. Chemical leaching of coal was carried out using aqueous solution of caustic to dissolve and remove the mineral matter. Simulation studies were carried out using the optimal reagent addition for chemical leaching of coal in batch reactors. This was experimentally validated, using the bench-scale reactor setup with hierarchical optimization architecture. Chemical leaching experiments were conducted using West Bokaro coal. Samples collected at various time intervals during the experiment were analyzed. Variations in silica (SiO2) and alumina (Al2O3) concentrations, which were main constituents present in coal ash, were evaluated with respect to time for different concentrations of caustic. The simulation studies for optimal addition were carried out at 6, 8 and 10 intervals. An objective function, required for maximum ash removal, was solved, using sequential quadratic programming (SQP) algorithm to find out the optimum sequence for reagent dosing. An improvement of about 1% (wt) ash reduction on an average was observed with implementation of optimal reagent addition.
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Suresh A, Seshagiri Rao D, Rammurti S, Srinivas B, Sivaprasad A. Coil closure of lumbar artery pseudoaneurysm: An unusual complication associated with anomalous left circumflex artery primary percutaneous coronary intervention. Chronic Dis Transl Med 2015; 1:55-58. [PMID: 29062988 PMCID: PMC5643790 DOI: 10.1016/j.cdtm.2015.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Indexed: 12/05/2022] Open
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57
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Sriramoju SK, Suresh A, Dash PS, Banerjee PK. Parameter Estimation of Kinetic Model Equations for Chemical Leaching of Coal. CHEMICAL PRODUCT AND PROCESS MODELING 2014. [DOI: 10.1515/cppm-2014-0009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Coals are invariably associated with mineral matter, which makes it unsuitable for efficient utilisation. For difficult-to-wash coals, advanced coal beneficiation technologies like chemical leaching methods are under development. In this paper, kinetic equations using different methods have been evolved, and related parameters have been estimated, using the experimental results obtained during coal leaching process. As coal is a heterogeneous rock, three different methods namely (i) parametric estimation through rate equation, (ii) non-linear regression and (iii) parametric estimation through shrinking core model have been developed and validated to check the minimum level of permitted error tolerance. Experiments were designed, using full factorial design with three variables, which are sensitive to the process. Values of activation energy and k0 obtained, using the parametric estimation of rate equation and shrinking core model, are almost in the same range. The order of the reaction for silica and alumina is two, using rate equation method. The parametric data obtained from the polynomial regression method were compared with the actual data. The exponential polynomial provides a better fit for the chemical leaching process of coal.
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Bhupal V, Lalitha N, Barik R, Shivaprasad A, Suresh A, Rama N, Srinivas B, Jyotsna M, Patnaik A, Seshagiri Rao D. To compare the safety and efficacy of levosimendan and dobutamine inpatients with acute decompensated heart failure. Indian Heart J 2014. [DOI: 10.1016/j.ihj.2014.10.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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59
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Sreenivasulu B, Suresh A, Subramaniam S, Sabharwal KN, Sivaraman N, Nagarajan K, Srinivasan TG, Vasudeva Rao PR. Separation of U(VI) and Pu(IV) from Am(III) and Trivalent Lanthanides with Tri-iso-amyl Phosphate (TiAP) as the Extractant by Using an Ejector Mixer-Settler. SOLVENT EXTRACTION AND ION EXCHANGE 2014. [DOI: 10.1080/07366299.2014.952536] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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60
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Memon A, Polack S, Al-Khawari M, Qabazard M, Al-Adsani A, Abdul-Rasoul M, Gulati R, Shaltout A, Suresh A. PP11 Association between atopic disorders and childhood type 1 diabetes: A population-based case control study in the Middle East. Br J Soc Med 2014. [DOI: 10.1136/jech-2014-204726.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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61
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Rakesh KB, Suresh A, Rao PRV. Compositional Characterization of Organic Phases after the Phase Splitting in the Extraction of Th(NO3)4by 1.1 M Tri-n-butyl phosphate/n-Alkane. SOLVENT EXTRACTION AND ION EXCHANGE 2014. [DOI: 10.1080/07366299.2014.917529] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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62
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Rakesh KB, Suresh A, Rao PRV. Third Phase Formation in the Extraction of Th(NO3)4by Tri-n-Butyl Phosphate and Tri-iso-Amyl Phosphate inn-Dodecane andn-Tetradecane from Nitric Acid Media. SOLVENT EXTRACTION AND ION EXCHANGE 2014. [DOI: 10.1080/07366299.2013.838499] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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63
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Ramasundaram P, Suresh A, Samuel J, Wankhade S. Welfare Gains from Application of First Generation Biotechnology in Indian Agriculture: The Case of Bt Cotton. ACTA ACUST UNITED AC 2014. [DOI: 10.5958/j.0974-0279.27.1.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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64
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Suresh A, Ramesh M, Reddy SR. Fluorescent pseudomonadscontribute to the enhanced growth and yield of rice cultivated under system of rice intensification (SRI). ACTA ACUST UNITED AC 2014. [DOI: 10.5958/0976-058x.2014.00662.3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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65
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Rakesh KB, Suresh A, Vasudeva Rao PR. Studies on Third Phase Formation in the Extraction of Th(NO3)4by Tri-iso-amyl Phosphate inn-alkane Diluents. SEP SCI TECHNOL 2013. [DOI: 10.1080/01496395.2013.816322] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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66
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Suresh A, Kumar RP, Dhanasekaran D, Thajuddin N. Biodiversity of microalgae in Western and Eastern Ghats, India. Pak J Biol Sci 2012; 15:919-28. [PMID: 24159688 DOI: 10.3923/pjbs.2012.919.928] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The systematic study was conducted on the microalgal flora of Western Ghats and other parts of Eastern Ghats revealed a rich wetland algal resource for biotechnological exploration. The present study reveals with the diversity of microalgal flora in the region of Kodaikanal (10 degrees 14' N, 77 degrees 28' E), Gudalur (9 degrees 19'N 77 degrees 12'E), Agasthiyar falls (9 degrees 58'N, 78 degrees 10'E) and Kolli hills (10 degrees 12'N, 77 degrees 56'E) located in Western and Eastern Ghats of Tamilnadu, India collected in May 2011. In total, 97 species of micro algae belonging to three taxonomic groups were identified, of which 41 species belonging to Cyanophyceae, 38 species from Chlorophyceae and 18 species from Bacillariophyceae. The predominant species in Cyanophyceae were Aphanothece microscopica, Chroococcus minutus, Coelospharium dubium, Hydrococcus rivularism, Oscillatoria princeps, Nostoc muscorum, Nostoc puncteforme, Nostoc commune, Gleotricha gausii, Calothrix braunii, Rivellaria sp., Tolypothrix tenuis, Scytonema schmidtii, whereas in Chlorophyceae, Chlorella sp., Scenedesmus sp., Pediastrum duplex, Cosmarium consperum, Euastrum elagans, Micrasterias americana and in Bacillariophyceae, Navicula hallophyla, Rhophaldia gebrella, Fragellaria intermedia, Pinnularia virdis, Nitzchia palliate. Physicochemical nature of water samples were analyzed and correlated with the total microalgal diversity. Based on the correlation coefficient data, the micro algae showed positive relationship with dissolved oxygen, salinity, nutrients and negative relationship with temperature and turbidity. The species diversity index (H'), Species Richness (SR) and species evenness (J') were calculated and analyzed for microalgal population dynamic variation in the Western and Eastern Ghats.
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Gowri S, Anitha K, Suresh A, Uma Devi T, Selvanayagam S, Sajan D, Chandramohan A, Lawrence N. Synthesis, growth, spectral and thermal properties of a new organic crystal: 2-carboxypyridin-1-ium trichloroacetate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 95:73-79. [PMID: 22613126 DOI: 10.1016/j.saa.2012.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 03/12/2012] [Accepted: 04/03/2012] [Indexed: 06/01/2023]
Abstract
A novel organic optical material complex of 2-carboxypyridin-1-ium trichloroacetate has been synthesized and crystals were grown from aqueous solution employing the technique of controlled evaporation. The crystal structure has been determined using single crystal X-ray diffraction studies. The single crystals were successfully grown by the slow evaporation method with dimensions 12 × 8 × 3 mm(3). FT IR spectral investigation has been carried out to identify the various functional groups present in the grown crystal. Molecular structure was confirmed by NMR spectral analysis. Melting point was found using thermal measurements.
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Choi HL, Suresh A, Babu T, Mansyur M. Impact of Pig Slurry from WangGoong Farm Cluster on Water Quality of the Iksan Stream. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2011. [DOI: 10.5187/jast.2011.53.6.549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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69
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Memon A, Polack S, Al-Khawari M, Qabazard M, Suresh A. P2-186 Maternal use of vitamins during pregnancy and the risk of type 1 diabetes in offspring. Br J Soc Med 2011. [DOI: 10.1136/jech.2011.142976j.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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70
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Kuriakose MA, Panda B, Pattnaik S, Choudhury RP, Suresh A, Kekatpure V, Trivedi N. PD30. Identification of novel somatic mutations and structural variations in tongue cancer, matched leukoplakia and normal tissue by genome sequencing. Oral Oncol 2011. [DOI: 10.1016/j.oraloncology.2011.06.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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71
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Suresh A, Priya S, Vannan M, Dhanya K, Kekatpure V. P48. Salivary biomarkers for the diagnosis and prognosis of oral quamous cell carcinoma. Oral Oncol 2011. [DOI: 10.1016/j.oraloncology.2011.06.291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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72
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Karnam P, Suresh A, Trivedi N, Kekatpure V, Kuriakose M. P213. Persistent pain as a prognostic factor of residual/recurrent tumor in head and neck cancer. Oral Oncol 2011. [DOI: 10.1016/j.oraloncology.2011.06.456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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73
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Yao HQ, Choi HL, Lee JH, Suresh A, Zhu K. Effect of microclimate on particulate matter, airborne bacteria, and odorous compounds in swine nursery houses. J Anim Sci 2010; 88:3707-14. [PMID: 20601522 DOI: 10.2527/jas.2009-2399] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Nursery pigs are vulnerable to environmental risks associated with the microclimate and aerial contaminants. This study was carried out to assess the effect of microclimate (i.e., temperature, relative humidity, and air speed) on the quantity of particulate matter (PM), airborne bacteria, and odorants in nursery houses. Data were collected from 15 farms in different locations throughout South Korea during 4 seasons; daily sampling times were from 1000 to 1100 h in the morning. A nonparametric correlation analysis revealed correlations between microclimate variables and airborne contaminants in different seasons. Over the entire year, negative correlations were observed between temperature, air speed, and some odorous compounds (P < 0.05). Furthermore, negative correlations were observed between temperature, air speed, and relatively large airborne particulates, such as PM(10) (PM mean aerodynamic diameter ≤10 μm), PM(7) (PM mean aerodynamic diameter ≤7 μm), and total suspended particles (P < 0.05). A possible reason for these negative correlations is that increased ventilation at an increased room temperature could transfer most airborne particulates that are carried with odorous compounds out of the nursery houses. On the other hand, because of the sensitivity of coliform bacteria to temperature, positive correlations were observed between temperature and total coliform and Escherichia coli counts (P < 0.01). Because it is a challenging task to control the quantity of aerial contaminants in nursery houses, the relationships between the microclimate and airborne contaminants established in this study could be used to reduce those contaminants by controlling microclimate variables. The correlations established in the current study could also be helpful in establishing guidelines for good management practices in nursery houses.
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Mallick S, Suresh A, Srinivasan TG, Vasudeva Rao PR. Comparative Studies on Third-Phase Formation in the Extraction of Thorium Nitrate by Tri-n-Butyl Phosphate and Tri-n-Amyl Phosphate in Straight Chain Alkane Diluents. SOLVENT EXTRACTION AND ION EXCHANGE 2010. [DOI: 10.1080/07366299.2010.490474] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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75
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Rao PRV, Srinivasan TG, Suresh A. Third phase formation in the extraction of thorium nitrate by trialkyl phosphates. ACTA ACUST UNITED AC 2010. [DOI: 10.1088/1757-899x/9/1/012056] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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