Utilization of moving bed biofilm reactor for industrial wastewater treatment containing ethylene glycol: kinetic and performance study.

abstract：:Phosphorus (P) recovery from waste water must become a predominant goal of all countries to face the limited resources of this essential nutrient. The induced crystallisation of calcium phosphates straight from the waste water phase applying tobermorite-rich calcium silicate hydrate compounds (CSH) from the constructi...

journal_title：Environmental technology

authors： Berg U,Knoll G,Kaschka E,Weidler PG,Nüesch R

更新日期：2007-02-01 00:00:00

abstract：:The discharge of raw wastewater into the environment can be a contamination source of Giardia spp. cysts and Cryptosporidium spp. oocysts. The UASB (Upflow Anaerobic Sludge Blanket) reactor is the most popular technology applied for wastewater treatment in Brazil, nevertheless there is little information concerning it...

journal_title：Environmental technology

authors： Valdez FQ,Leite LS,Zanetoni Filho JA,Tango MD,Daniel LA

更新日期：2021-01-07 00:00:00

abstract：:Pilot-scale moving bed biofilm reactor (MBBR) is used to investigate the kinetics and biofilm response of municipal, tertiary nitrification at 1°C. The research demonstrates that significant rates of tertiary MBBR nitrification are attainable and stable for extended periods of operation at 1°C, with a maximum removal ...

journal_title：Environmental technology

authors： Young B,Delatolla R,Ren B,Kennedy K,Laflamme E,Stintzi A

更新日期：2016-08-01 00:00:00

abstract：:Nоblе mеtаls suppоrtеd оn TiО2 (Dеgussа P25) mоdifiеd with WО3 undеr thе еffесt оf fееding оxуgеn аnd оzоnе соntаining mixturе tо thе rеасtоr undеr UV-С irrаdiаtiоn wеrе еxаminеd fоr thеir саtаlуtiс асtivitу in thеrеасtiоn оf оxаliс асid liquid phаsе оxidаtiоn. Thе sаmplеs wеrе sуnthеsizеd bу еxtrасtivе-pуrоlуtiс mеth...

journal_title：Environmental technology

authors： Gеоrgiеv V,Еliуаs А,Tуuliеv G,Bаtаkliеv T,Sеrgа V,Kаrаkаshkоvа P,Аnасhkоv M,Iliеv V

更新日期：2020-09-01 00:00:00

abstract：:Pentachlorophenol (PCP) degradation by soil indigenous bacteria represents a practical and cost-effective solution. In the present study, bacteria isolated from paddy soil was investigated and the role of electron shuttling (ES) in the PCP degradation process was assessed. Two strains demonstrated the highest PCP degr...

journal_title：Environmental technology

authors： El-Bialy HA,Khalil OAA,Gomaa OM

更新日期：2019-07-01 00:00:00

abstract：:Electrochemical phenol degradation using a platinum-coated Ti electrode was comparatively investigated at different pH levels, which were maintained over the entire operation period. Various analyses such as phenol concentration, TOC, COD, cyclic voltammetry, and total current efficiency were conducted to determine th...

journal_title：Environmental technology

authors： Zambrano J,Park H,Min B

更新日期：2020-10-01 00:00:00

abstract：:The utilization of foul condensate (FC) collected from a Kraft pulp mill for the anaerobic production of volatile fatty acids (VFA) was tested in upflow anaerobic sludge blanket (UASB) reactors operated at 22, 37 and 55°C at a hydraulic retention time (HRT) of ∼75 h. The FC consisted mainly of 11370, 500 and 592 mg/L ...

journal_title：Environmental technology

authors： Eregowda T,Kokko ME,Rene ER,Rintala J,Lens PNL

更新日期：2020-01-13 00:00:00

abstract：:To solve the unpleasant disposal of greywater in rural area and allow its collection for reuse in gardening, a slanted soil treatment system (SSTS) was designed and installed in two households. Granitic gravel of 1-9 mm size was used as the filter medium. The aim of this study was to design a SSTS and assess its suita...

journal_title：Environmental technology

authors： Maiga Y,Moyenga D,Nikiema BC,Ushijima K,Maiga AH,Funamizu N

更新日期：2014-11-01 00:00:00

abstract：:This paper employed a blending method to prepare a new hydrophilic and biocompatible magnetic polypropylene carrier (HBMPC) and pure polypropylene carrier (PPC). Mechanical strength, magnetic induction on surface, microstructure, hydrophilicity and biocompatibility of HBMPC were measured, characterized and investigate...

journal_title：Environmental technology

authors： Zhu Y

更新日期：2018-11-01 00:00:00

abstract：:Effects of Mo(6+) concentration on phototrophic hydrogen production of Rhodobacter sphaeroides were investigated using lactate as the sole carbon source. Results showed that an increase of Mo(6+) from nil to 1000 microg l(-1) led to increases in hydrogen yield, maximum production rate, conversion efficiency, biomass y...

journal_title：Environmental technology

authors： Fang HH,Li RY,Zhang T

更新日期：2011-08-01 00:00:00

abstract：:Normalizations by TSS or P-PO43- initial concentrations are consistent as they are correlated to the Jar-test performances. Jar-tests results are independent of the wastewater quality variations in terms of TSS and P-PO43- and independent of the WWTP origin of the water. A notable variability in the TSS results indica...

journal_title：Environmental technology

authors： Mailler R,Mèche P,Sauvignet P,Azimi S,Rocher V

更新日期：2020-06-01 00:00:00

abstract：:Treatment of sewage sludge (SS) by biodegradable polyacrylamide-based flocculants (PAM) is considered to be an effective way to increase total solids' (TS) content prior to anaerobic digestion (AD). However, data on how PAM addition influences the efficiency of AD process are quite contradictory; moreover, no data are...

journal_title：Environmental technology

authors： Litti Y,Nikitina A,Kovalev D,Ermoshin A,Mahajan R,Goel G,Nozhevnikova A

更新日期：2019-04-01 00:00:00

abstract：:Phosphorus recovery from wastewater is a focus area in Denmark; the aim is to recover at least 80% of the phosphorus. In order to extract phosphorus, surplus sludge from wastewater treatment plants was acidified (pH 2-4) to increase the dissolved phosphorus concentration, which then can be precipitated and recovered. ...

journal_title：Environmental technology

authors： Quist-Jensen CA,Wybrandt L,Løkkegaard H,Antonsen SB,Christensen ML

更新日期：2020-09-01 00:00:00

abstract：:Surface transfer and bubble transfer both contribute significantly to oxygen transfer in a diffused aeration system. In the present study, liquid-film-forming apparatus is successfully developed on a laboratory scale to improve considerably the surface transfer via the unique liquid film transfer technique. The experi...

journal_title：Environmental technology

authors： Zhu H,Imai T,Tani K,Ukita M,Sekine M,Higuchi T,Zhang ZJ

更新日期：2007-05-01 00:00:00

abstract：:Algal blooms are a significant problem in the UK, particularly in water sources that supply potable water treatment works. A wide range of methods to control algae have been tested and, whilst many are effective, they all have disadvantages. The use of barley straw to control algal growth in reservoirs is one option t...

journal_title：Environmental technology

authors： Murray D,Jefferson B,Jarvis P,Parsons SA

更新日期：2010-04-01 00:00:00

abstract：:Biosurfactants are amphiphilic compounds of microbial origin which exhibit better properties than their chemically derived counterparts. They are usually produced in submerged fermentation by different types of bacteria. However, biosurfactant production by fungi, particularly of the white-rot type, has been scarcely ...

journal_title：Environmental technology

authors： Lourenço LA,Alberton Magina MD,Tavares LBB,Guelli Ulson de Souza SMA,García Román M,Altmajer Vaz D

更新日期：2018-12-01 00:00:00

abstract：:This paper describes an application of aerobic respirometry to investigate the influence of humic matter (humate) on biological processes in dilution water and in municipal sewage. Standard product PolySeed, a consortium of bacteria considered to be representative of those found in an activated sludge, was used as a s...

journal_title：Environmental technology

authors： Lipczynska-Kochany E,Kochany J

更新日期：2008-06-01 00:00:00

abstract：:Pyrolysis of fresh sheep bone led to the formation of bone charcoal (BC). The structural characteristics of BC and surface area were determined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). N2 gas adsorption-desorption was analysed by Brunauer-Emmett-Teller isotherm model. The prepared BC was used...

journal_title：Environmental technology

authors： Ghaneian MT,Ghanizadeh G,Alizadeh MT,Ehrampoush MH,Said FM

更新日期：2014-03-01 00:00:00

abstract：:A coupled electrochemical process and biological treatment was used to remove a biorecalcitrant antibiotic: sulfamethazine (SMT). The pretreatment was performed in a home-made flow cell involving graphite felt as a working electrode at potentials of 1 and 1.6 V/saturated calomel electrode (SCE); it was followed by a b...

journal_title：Environmental technology

authors： Saidi I,Fourcade F,Floner D,Soutrel I,Bellakhal N,Amrane A,Geneste F

更新日期：2017-11-01 00:00:00

abstract：:ABSTRACT Glass recycling is a process that faces many obstacles, especially in the closed-loop context. Waste glass separation and transportation can become quite expensive, turning glass collection for remanufacture unfeasible. For this reason, it is important that alternative markets for waste glass are sought. This...

journal_title：Environmental technology

authors： Salzmann RD,Ackerman JN,Cicek N

更新日期：2020-06-18 00:00:00

abstract：:Maghemite/silica nanocomposite microspheres (γ-Fe2O3/SiO2 MS) have been tested as magnetically separable heterogeneous Fenton catalyst in beidellite clay slurries in the presence of methylorange (MO) as a model pollutant. Due to its strong magnetic susceptibility, the catalyst was easily recovered from the clay slurri...

journal_title：Environmental technology

authors： Boussouf I,Medjram MS,Ferroudj N,Abramson S

更新日期：2021-01-01 00:00:00

abstract：:In this work, the mechanism of the Cr(III) sorption by Salvinia auriculata biosorbent was studied in two stages. To understand the influence of the sorption parameters on the Cr(III) uptake, preliminary tests were performed. First, S. auriculata biomass was separately treated with base and acid solutions. Second, acid...

journal_title：Environmental technology

authors： Módenes AN,de Oliveira AP,Espinoza-Quiñones FR,Trigueros DEG,Kroumov AD,Borba CE,Hinterholz CL,Bergamasco R

更新日期：2017-06-01 00:00:00

abstract：:Over the last decade X-ray absorption near edge structure (XANES) spectroscopy has been used in an increasing number of microbiological studies. In addition to other applications it has served as a valuable tool for the investigation of the sulphur globules deposited intra- or extracellularly by certain photo- and che...

journal_title：Environmental technology

authors： Franz B,Lichtenberg H,Hormes J,Dahl C,Prange A

更新日期：2009-11-01 00:00:00

abstract：:Gasification is one of the most important thermochemical routes to produce both synthesis gas (syngas) and chars. The quality of produced syngas wieldy depends on the operating conditions (temperature, residence time, heating rate, and gasifying agent), hydrodynamic properties of gasifier (particle size, minimum fluid...

journal_title：Environmental technology

authors： Ebadi AG,Hisoriev H

更新日期：2019-02-01 00:00:00

abstract：:This study presents a comparison of denitrification rates and denitrification stoichiometry when using different sources of carbon. Denitrification tests were carried out in test bottles containing water and soil samples acquired at a nitrate-contaminated site and supplemented with either sucrose, acetate or ethanol. ...

journal_title：Environmental technology

authors： Lorrain MJ,Tartakovsky B,Peisajovich-Gilkstein A,Guioti SR

更新日期：2004-09-01 00:00:00

abstract：:The inhibition of undesirable nitrite oxidizing bacteria (NOB) and desirable ammonium oxidizing bacteria (AOB) by free ammonia (FA) and free nitrous acid (FNA) in partial nitritation (PN) is crucially affected by the biomass growth mode (suspended sludge, biofilm, encapsulation). But, the limitations of these modes to...

journal_title：Environmental technology

authors： Kouba V,Svehla P,Catrysse M,Prochazkova L,Radechovska H,Jenicek P,Bartacek J

更新日期：2019-02-01 00:00:00

abstract：:As a consequence of a growing share of solar and wind power, recent research on biogas production highlighted a need for demand-orientated, flexible gas production to provide grid services and enable a decentralized stabilization of the electricity infrastructure. Two-staged anaerobic digestion is particularly suitabl...

journal_title：Environmental technology

authors： Krümpel JH,Illi L,Lemmer A

更新日期：2018-03-01 00:00:00

abstract：:This study presents the operation of a biotrickling filter when treating a monochlorobenzene (MCB) contaminated gaseous emission. Treatment dynamics were characterised by exposing the reactor to various MCB Organic Loads (OL). The use of different growth support materials, namely limestone, sand, ceramic and PVC pall-...

journal_title：Environmental technology

authors： Bastos FS,Rangel AO,Castro PM,Ferreira Jorge RM

更新日期：2003-12-01 00:00:00

abstract：:Nanomaterials and/or contaminants are becoming more common in the developing world, but their effects on interspecific interactions are rarely reported, particularly in aquatic ecosystems. Thus, the present study determined the effects of the novel pollutant nano-fumed silica (NFS) on algal control by a macrophyte via...

journal_title：Environmental technology

authors： Jiang X,Zuo S,Ye L,Hong W

更新日期：2019-02-01 00:00:00

abstract：:Untreated wastewater from the dye industry and dyehouses cannot be directly discharged into the environment due to the high content of organic matter and intensive colouration, even with low concentrations of dye. In this paper, the application of a high voltage pulsed electrical discharge in the aqueous phase has bee...

journal_title：Environmental technology

authors： Vujevic D,Koprivanac N,Bozic AL,Locke BR

更新日期：2004-07-01 00:00:00