Search Results - "Von Sperling, M"

Comparison of simple, small, full-scale sewage treatment systems in Brazil: UASB-maturation ponds-coarse filter; UASB-horizontal subsurface-flow wetland; vertical-flow wetland (first stage of French system) by von Sperling, M

“…This paper presents a comparison between three simple sewage treatment lines involving natural processes: (a) upflow anaerobic sludge blanket (UASB)…”
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Key factors in the clogging process of horizontal subsurface flow constructed wetlands receiving anaerobically treated sewage by Matos, M.P., Sperling, M. von, Matos, A.T., Miranda, S.T., Souza, T.D., Costa, L.M.

“…•The clogging solids are predominantly inorganic.•The greater source of clogging solids is the wear of the filter material.•The organic solids influence most…”
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Field application of a planted fixed bed reactor (PFR) for support media and rhizosphere investigation using undisturbed samples from full-scale constructed wetlands by Barreto, A B, Vasconcellos, G R, von Sperling, M, Kuschk, P, Kappelmeyer, U, Vasel, J L

“…This study presents a novel method for investigations on undisturbed samples from full-scale horizontal subsurface-flow constructed wetlands (HSSFCW). The…”
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Anammox bacteria enrichment and characterization from municipal activated sludge by Araujo, J C, Campos, A C, Correa, M M, Silva, E C, Matté, M H, Matté, G R, Von Sperling, M, Chernicharo, C A L

“…A sustainable option for nitrogen removal is the anaerobic ammonium-oxidizing (anammox) process in which ammonium is oxidized to nitrogen gas with nitrite as…”
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Lognormal behaviour of untreated and treated wastewater constituents by Oliveira, S C, Souki, I, von Sperling, M

“…This article presents an extensive study to select the theoretical probability distribution that represents the concentrations of major constituents from 35…”
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Performance comparison between two equal stabilization ponds operating with and without sludge layer by Rodrigues, V A J, Possmoser-Nascimento, T E, Dias, D F C, Passos, R G, von Sperling, M, Vasel, J L

“…Stabilization ponds are a highly appropriate system for treating sewage in small to medium size communities. However, sludge accumulation at the pond bottom…”
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Comparative performance evaluation of full-scale anaerobic and aerobic wastewater treatment processes in Brazil by von Sperling, M, Oliveira, S C

“…This article evaluates and compares the actual behavior of 166 full-scale anaerobic and aerobic wastewater treatment plants in operation in Brazil, providing…”
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Nitrogen removal in a shallow maturation pond with sludge accumulated during 10 years of operation in Brazil by Rodrigues, V A J, Mac Conell, E F A, Dias, D F C, von Sperling, M, de Araújo, J C, Vasel, J L

“…Accumulated sludge in polishing (maturation) ponds reduces the hydraulic retention time (smaller useful volume), and this could potentially lead to a decrease…”
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Performance of a single stage vertical flow constructed wetland system treating raw domestic sewage in Brazil by LANA, L. C. O, MORAES, D. C, SPERLING, M. Von, MORATO, M. L. N, VASCONCELLOS, G. R, PARAENSE, M. O, MOREIRA, T. P. A

“…This study investigated the behaviour of two intermittently fed vertical flow constructed wetlands (one planted with Tifton 85 and the other unplanted) working…”
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Performance evaluation of UASB reactor systems with and without post-treatment by Oliveira, S C, von Sperling, M

“…This article evaluates and compares the actual behavior of 18 UASB reactor systems operating without (10 plants) and with (8 plants) post treatment,…”
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Performance evaluation of a novel open trickling filter for the post-treatment of anaerobic effluents from small communities by VIEIRA, P. C, VON SPERLING, M, NOGUEIRA, L. C. M, ASSIS, B. F. S

“…The objective of the work is to evaluate the performance of an innovative design of a trickling filter for small population sizes, which has been implemented…”
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Representing performance of horizontal flow treatment wetlands: The Tanks In Series (TIS) and the Plug Flow with Dispersion (PFD) approaches and their application to design by von Sperling, M., Wallace, S.D., Nivala, J.

“…Horizontal flow wetlands have been designed using the so-called P-k-C* approach, which has been largely embraced by the treatment wetlands literature. P is…”
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Tracer studies and hydraulic behaviour of planted and un-planted vertical-flow constructed wetlands by Cota, R S, von Sperling, M, Penido, R C S

“…The aim of this research was to assess the hydraulic behaviour of three intermittently-fed vertical flow wetland units operated in parallel, designed for the…”
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UV disinfection of stabilization pond effluent: a feasible alternative for areas with land restriction by Alves, C V P, Chernicharo, C A L, von Sperling, M

“…The purpose of this research was to determine the feasibility of a UV photoreactor for the disinfection of effluent from a polishing pond following a UASB…”
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Performance of very shallow ponds treating effluents from UASB reactors by von Sperling, M, Mascarenhas, L C A M

“…Polishing ponds are units conceived for the post-treatment of the effluents from anaerobic reactors, are designed as maturation ponds, and aim at a further…”
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Kinetics of concentration decay of specific organic matter in UASB reactors operating with and without return of aerobic sludge by Pontes, P.P, Chernicharo, C.A.L, Sperling, M. Von

“…This study aimed at assessing the influence of the return of excess aerobic sludge from a trickling filter (TF) upon the anaerobic digestion process in an…”
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Reliability analysis of stabilisation on pond systems by Oliveira, S.M.A.C, Sperling, M. von

“…This article presents a reliability analysis of 116 full-scale pond systems in Brazil, comprising 73 primary facultative ponds and 43 anaerobic -facultative…”
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Comparison between polishing (maturation) ponds and subsurface flow constructed wetlands (planted and unplanted) for the post-treatment of the effluent from UASB reactors by von Sperling, M, Dornelas, F L, Assunção, F A L, de Paoli, A C, Mabub, M O A

“…This paper presents the results of a comparison of the performance of two treatment systems operating in parallel, with the same influent wastewater. The…”
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Performance evaluation of a UASB - activated sludge system treating municipal wastewater by VON SPERLING, M, FRELRE, V. H, DE LEMOS CHERNICHARO, C. A

“…Recent research has indicated the advantages of combining anaerobic and aerobic processes for the treatment of municipal wastewater, especially for…”
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Characterisation of pathogenic bacteria in a UASB-polishing pond system using molecular techniques by Godinho, V M, Nascimento, F M S, Silva, S Q, von Sperling, M

“…Molecular techniques have been commonly used to detect and quantify pathogenic bacteria in food, clinical and environmental samples, but in wastewater…”
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