Individual treatment of hotel and restaurant waste water in rural areas.

abstract：:One of the requirements for environmental engineering, which is currently being considered, is the removal of ethylene glycol (EG) as a hazardous environmental pollutant from industrial wastewater. Therefore, in a recent study, a moving bed biofilm reactor (MBBR) was applied at pilot scale to treat industrial effluent...

journal_title：Environmental technology

authors： Hassani AH,Borghei SM,Samadyar H,Ghanbari B

更新日期：2014-01-01 00:00:00

abstract：:Solid-liquid separation of animal slurry, with solid fractions used for composting, has gained interest recently. However, efficient composting of separated animal slurry solid fractions (SSFs) requires a better understanding of the process dynamics in terms of important physical parameters and their interacting physi...

journal_title：Environmental technology

authors： Chowdhury MA,de Neergaard A,Jensen LS

更新日期：2014-01-01 00:00:00

abstract：:The use of garbage grinders is not a usual practice in Europe, but it is in other countries around the world (e.g., North America, Japan and Australia). Sometimes, garbage grinders are accused of producing problems in sewers and wastewater treatment plants and are prohibited by environmental protection laws. In this s...

journal_title：Environmental technology

authors： Bolzonella D,Pavan P,Battistoni P,Cecchi F

更新日期：2003-03-01 00:00:00

abstract：:Slow-release organic carbon-source (SOC) material, a new kind of electron donor for in situ groundwater denitrification, was prepared and evaluated in this study. With starch as a biologically utilized carbon source and polyvinyl alcohol (PVA) as a frame, this material performed controllable carbon release rates and d...

journal_title：Environmental technology

authors： Zhang D,Zhang X,Wang Y,Zhou G,Li G

更新日期：2015-03-01 00:00:00

abstract：:Use of lignocellulosic crop harvest residues for liquid or gaseous biofuel production may impact soil quality, long-term soil fertility and the major determinants of the latter, stocks of soil organic carbon and nutrients. When soil organic carbon stocks of mineral cropland soils are to be maintained, there is scope f...

journal_title：Environmental technology

authors： Reijnders L

更新日期：2013-07-01 00:00:00

abstract：:The emission of greenhouse gases, such as N2O, from wastewater treatment plants is a matter of growing concern. Denitrification by ammonia-oxidizing bacteria (AOB) has been identified as the main N2O producing pathway. To estimate N2O emissions during biological nitrogen removal, reliable mathematical models are essen...

journal_title：Environmental technology

authors： Mampaey KE,Beuckels B,Kampschreur MJ,Kleerebezem R,van Loosdrecht MC,Volcke EI

更新日期：2013-05-01 00:00:00

abstract：:To avoid bacterial contamination due to medium replacement in the expanded application of a photosynthesis-fermentation model, an integrated photosynthesis-fermentation hybrid system was set up and evaluated for algal lipid production using Chlorella protothecoides. In this system, the CO2-rich off-gas from the fermen...

journal_title：Environmental technology

authors： Lu Y,Dai J,Wu Q

更新日期：2013-07-01 00:00:00

abstract：:A new approach to the simultaneous removal of SO2 and NO from flue gas, by TiO2 photocatalysis based on UV irradiation technology, is presented. Experiments on the simultaneous desulphurization and denitrification were carried out using this photocatalyst in a self-designed photocatalytic reactor. Under the optimal ex...

journal_title：Environmental technology

authors： Zhao Y,Han J,Shao Y,Feng Y

更新日期：2009-12-14 00:00:00

abstract：:Dual-chamber microbial fuel cells (MFCs), made of clayware cylinder, were operated at different chemical oxygen demands: ammonium-nitrogen (COD:NH4+) ratio (1:1, 10:1 and 5:1) under batch mode for simultaneous removal of ammonia and organic matter from wastewater. Ammonium-N removal efficiencies of 63-32.66% were obta...

journal_title：Environmental technology

authors： Jadhav DA,Ghangrekar MM

更新日期：2015-03-01 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：:Elemental balances of microbial growth have been applied to calculate (C/N) ratio in a denitrification process. The correlation between biomass yield coefficient and degree of reduction has been used to estimate the critical (C/N) ratio. It has been shown that when the degree of reduction of the substrate is lower tha...

journal_title：Environmental technology

authors： Sobieszuk P,Szewczyk KW

更新日期：2006-01-01 00:00:00

abstract：:The gene coding for xylose isomerase from the thermophilic bacterium Fervidobacterium gondwanense was cloned and overexpressed in Escherichia coli. The produced xylose isomerase (XylA), which closely resembles counterparts from Thermotoga maritima and T. neapolitana, was purified and characterized. It is optimally act...

journal_title：Environmental technology

authors： Kluskens LD,Zeilstra J,Geerling AC,de Vos WM,van der Oost J

更新日期：2010-09-01 00:00:00

abstract：:Lipase production by Staphylococcus xylosus and Rhizopus oryzae was investigated using a culture medium based on a mixture of synthetic medium and supernatants generated from tuna by-products and Ulva rigida biomass. The proportion of the three medium components was optimized using the simplex-centroid mixture design ...

journal_title：Environmental technology

authors： Sellami M,Kedachi S,Frikha F,Miled N,Ben Rebah F

更新日期：2013-07-01 00:00:00

abstract：:Alumina-zirconia (Al2O3-ZrO2) composite was prepared by combustion method and used to remove Congo red and Methylene blue from aqueous solutions. It was characterized using SEM-EDS, XRD and gas adsorption techniques. The results obtained from gas adsorption and SEM agree with each other, showing meso- and macro-porosi...

journal_title：Environmental technology

authors： Adesina AO,Elvis OA,Mohallem NDS,Olusegun SJ

更新日期：2019-08-13 00:00:00

abstract：:A soil-column system was tested for the removal of soluble organics and nutrients from partially treated liquid swine manure. The liquid manure was applied to the 900 mm deep (300 mm of local topsoil and 600 mm of local subsoil) soil columns continuously for an eight-week period, and leachate as well as soil samples w...

journal_title：Environmental technology

authors： Yang H,Xiao J,El-Din MG,Buchanan ID,Bromley D,Ikehata K

更新日期：2007-01-01 00:00:00

abstract：:The effect of thermal pre-treatment on inoculum sludge for continuous H2 production from alkali hydrolysed rice straw using anaerobic baffled reactor (ABR) was investigated. Two reactors, ABR1 and ABR2, were inoculated with untreated and thermally pre-treated sludge, respectively. Both reactors were operated in parall...

journal_title：Environmental technology

authors： El-Bery H,Tawfik A,Kumari S,Bux F

更新日期：2013-07-01 00:00:00

abstract：:A pilot-scale biotrickling filter (BTF) packed with polyurethane (PU) foam was installed at one pharmaceutical factory in Zhejiang Province to study the removal of high-concentration H2S from water treatment plant. Experiments were performed at different empty bed residence times (EBRTs), H2S input load, ratio of liqu...

journal_title：Environmental technology

authors： Chen JM,Jiang LY,Sha HL

更新日期：2006-07-01 00:00:00

abstract：:Coagulation process is highly influenced by solution pH, floc breakage, and coagulant aid. In this work, two-stage addition of alum-based coagulants, polyaluminum chloride (PACl) and aluminum sulfate (Al2(SO4)3), was compared to their one-stage addition with the same total dosage. The dose ratio of primary and seconda...

journal_title：Environmental technology

authors： Du P,Li X,Yang Y,Fan X,Fang X,Zhou Z

更新日期：2020-05-19 00:00:00

abstract：:Hypersaline effluents are produced by various industrial activities. Such wastewater, rich in both organic matter and salt (> 35 g l(-1)), is difficult to treat by conventional wastewater treatment processes. It is necessary to use halophilic bacteria. In this study, a bench-scale sequencing batch reactor (SBR) was in...

journal_title：Environmental technology

authors： Lefebvre O,Habouzit F,Bru V,Delgenes JP,Godon JJ,Moletta R

更新日期：2004-05-01 00:00:00

abstract：:Ferrous ion-activated persulphate and hydrogen peroxide were studied for the treatment of real high-strength industrial effluent. The Fenton process demonstrated greater organic load removal, biodegradability improvement and toxicity reduction as well as lower treatment cost than the activated persulphate system. Howe...

journal_title：Environmental technology

authors： Kattel E,Dulova N,Viisimaa M,Tenno T,Trapido M

更新日期：2016-01-01 00:00:00

abstract：:The distribution and accumulation of heavy metals in the sediments of two rivers which cross various agglomerations of Tangier city, Morocco, were investigated. Surficial sediment samples were collected during 2005 and characterized for metal content (Zn, Pb, Cd, Cu, Cr and Ni), organic matter, total nitrogen, and n-h...

journal_title：Environmental technology

authors： Rodríguez-Barroso MR,Benhamou Y,Coello D,El Moumni B,García-Morales JL

更新日期：2010-02-01 00:00:00

abstract：:A possible approach for determining soil and groundwater quality criteria for contaminated sites is the comparative risk assessment. Originating from but not limited to Italian interest in a decentralised (regional) implementation of comparative risk assessment, this paper first addresses the proposal of an original m...

journal_title：Environmental technology

authors： Marzocchini M,Tatàno F,Moretti MS,Antinori C,Orilisi S

更新日期：2019-11-01 00:00:00

abstract：:Mechanical properties of fiber-reinforced soil after soaking in heavy metal ion solution have great influences on safety and stability of the reinforcement, herein the mechanical properties of optimum moisture content of different concentrations of zinc ions contaminated soil were studied through shear test, compressi...

journal_title：Environmental technology

authors： Ma Q,Xiang JC,Yang YC,Xiao HL,Wan J

更新日期：2019-08-27 00:00:00

abstract：:EDTA column's extraction were performed on four artificially contaminated soils, followed by the percolation of pure water to ensure the removal of EDTA entrapped in soil. The investigated soils were characterized by a content of organic matter ranging from 1% to 25%. A mathematical model was developed for copper leac...

journal_title：Environmental technology

authors： Di Palma L,Ferrantelli P,Pitzolu I,Verdone N

更新日期：2005-02-01 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：:The separate treatment of sludge liquor, produced by dewatering anaerobic digested sludge at wastewater treatment plants, gives rise to extreme environments for nitrogen removal. A full-scale sequencing batch reactor was operated with the aim of introducing and studying denitritation as a supplement to nitritation in ...

journal_title：Environmental technology

authors： Gustavsson DJ,Nyberg U,Jansen Jl

更新日期：2011-05-01 00:00:00

abstract：:A new fed-batch reactor was developed to conduct aerobic biodegradation studies. Its unique feature lies in the ability to self-regulate feed addition, according to the evolution of the degradation process, which is proportional to gaseous products formed, mainly CO2. The reactor is particularly well suited to evaluat...

journal_title：Environmental technology

authors： Santana FJ,Sequeira AS

更新日期：2002-09-01 00:00:00

abstract：:The nitrate removal rate of denitrifying granular sludge in an upflow sludge blanket reactor is very high and reaches up to 3.6 gNO3-N-gVSS-1 d-1 at a nitrate loading rate (NLR) of 32.0 gNO3-N L-1 d-1. However, the granular sludge exhibits flotation under high NLR conditions, where the granules become large in size (o...

journal_title：Environmental technology

authors： Wang F,Jin X,Yang S,Liu Y,Chen X

更新日期：2014-01-01 00:00:00

abstract：:The performance of a vertical and a horizontal subsurface flow wetland (v-SSF and h-SSF), designed for treating domestic wastewater from a single family, was investigated by monitoring total nitrogen (TN), nitrate nitrogen (NO3-N), ammonium nitrogen (NH4-N), total phosphorus (TP), chemical oxygen demand (COD) and the ...

journal_title：Environmental technology

authors： Mietto A,Borin M

更新日期：2013-05-01 00:00:00

abstract：:Metal sulphide tailings present a potential risk for the environment because of their natural oxidability which leads to the production of acid mine drainage. The prospected site close to Marrakech includes zinc, lead and copper sulphide deposits. This site is located in an agricultural area near the Tensift River whi...

journal_title：Environmental technology

authors： El Adnani M,Rodriguez-Maroto JM,Sbai ML,Loukili Idrissi L,Nejmeddine A

更新日期：2007-09-01 00:00:00