The effects of anionic and non-ionic surfactant on anaerobic co-digestion of sludge, food wastes and green wastes.

abstract：:About 25 hotels, restaurants and pubs in the rural community Heuvelland are situated in the area designated for individual water treatment. In order to meet the legislation by the end of 2015, each business needs to install an individual waste water treatment system (IWTS). To study this situation, three catering busi...

journal_title：Environmental technology

authors： Van Hulle SW,Ghyselbrecht N,Vermeiren TJ,Depuydt V,Boeckaert C

更新日期：2012-02-01 00:00:00

abstract：:Partial nitritation is an essential first step in anaerobic ammonium oxidation. This study compared the performance of air-lift partial nitritation reactors with attached growth (AG) and suspended growth (SG) without biomass retention using ammonium-rich recirculated liquor produced from the dewatering of anaerobicall...

journal_title：Environmental technology

authors： Choi J,Ahn Y

更新日期：2014-05-01 00:00:00

abstract：:The behavior of cyanobacteria and its potential use for biofuel production in scale-up conditions is a topic of growing importance. The aim of our work is to study the effects of illumination, stirring, and different growth phases on the cultivation of the cyanobacteria Spirulina platensis in 10 L raceways. The cultiv...

journal_title：Environmental technology

authors： Magro FG,Margarites AC,Reinehr CO,Gonçalves GC,Rodigheri G,Costa JAV,Colla LM

更新日期：2018-07-01 00:00:00

abstract：:Microbial fuel cells (MFCS) is a promising and expanding technology able to eliminate various pollutants of wastewater while converting its chemical energy into power energy using biocatalysts. The potential application of double-chamber microbial fuel cell (DC-MFC) for chemical oxygen demand (COD) removal and generat...

journal_title：Environmental technology

authors： Rahmani AR,Navidjouy N,Rahimnejad M,Alizadeh S,Samarghandi MR,Nematollahi D

更新日期：2020-06-11 00:00:00

abstract：:The aim of this study was to investigate the individual and combined toxicity of dissolved copper-cadmium and mercury using the embriotoxicity test with Mytilus galloprovincialis. Adult stocks of Mytilus galloprovincialis were induced to spawn and early larvae were recorded after incubation of fertilized eggs in seawa...

journal_title：Environmental technology

authors： Prato E,Biandolino F

更新日期：2007-08-01 00:00:00

abstract：:This study investigated the evolution of several main parameters during the composting of separately collected household bio-waste originating from urban settlements (U-bio-waste) and family houses (F-bio-waste) from four climate seasons. When comparing both types of composts, U-bio-waste compost contained a higher am...

journal_title：Environmental technology

authors： Hanc A,Ochecova P,Vasak F

更新日期：2017-07-01 00:00:00

abstract：:In this work, it was developed three-dimensional (3D) porous hydrogel sponges produced by the freeze-dried process using chitosan polymer functionalized by 11-mercaptoundecanoic acid (MUA). These chitosan-based sponges were used as cationic adsorbents for the removal of anionic methyl orange (MO) dye, simulating a mod...

journal_title：Environmental technology

authors： Carvalho IC,Medeiros Borsagli FGL,Mansur AAP,Caldeira CL,Haas DJ,Lage AP,Ciminelli VST,Mansur HS

更新日期：2019-11-19 00:00:00

abstract：:Life cycle assessments of a range of wastewater treatment processes have been undertaken. At lower consent standards rotating biological contactors and biological filters exhibit lower environmental burdens for the required functionality than other process options. However, at tighter consents this distinction becomes...

journal_title：Environmental technology

authors： Gaterell MR,Griffin P,Lester JN

更新日期：2005-03-01 00:00:00

abstract：:Moringa oleifera extract is a high-capacity flocculant agent for turbidity removal in surface water treatment. A complete study of a pilot-plant installation has been carried out. Because of flocculent sedimentability of treated water, a residual turbidity occured in the pilot plant (around 30 NTU), which could not be...

journal_title：Environmental technology

authors： Beltrán-Heredia J,Sánchez-Martín J

更新日期：2009-05-01 00:00:00

abstract：:In the coal slurry scrubbing process, SO2 can be removed through both the coal pyrite leaching reaction and the oxidation reactions catalysed by Fe2+/Fe3+ produced in situ. In the present study, experiments of SO2 removal with coal slurry (particle size fraction 65-150 microm) were carried out using a double-stirred v...

journal_title：Environmental technology

authors： Sun W,Wang L,Liu J,Wang L,Zhang Y

更新日期：2013-09-01 00:00:00

abstract：:This study investigated the biosorption kinetics and equilibrium of cadmium, nickel and zinc by activated sludge from a biological nutrient removal (BNR) process. A series of batch experiments with different initial metal concentrations were conducted to determine the metal removal in BNR sludge. The harvested sludges...

journal_title：Environmental technology

authors： Chang WC,Hsu CH,Chiang SM,Su MC

更新日期：2007-04-01 00:00:00

abstract：:This manuscript describes the characterization of as-synthesized titanate nanotube (TNT) and its sorption behaviours on cadmium with the interactions of inorganic anions. The X-ray diffraction and transmission electron microscopy found that the nanotube is in sodium titanate crystal phase (Na2Ti3O7) and the pores of T...

journal_title：Environmental technology

authors： Zhang L,Du AJ,Sun DD,Leckie JO

更新日期：2013-11-01 00:00:00

abstract：:An integrated OCO reactor with two side-ditch separators based on the anaerobic/anoxic/oxic (A2/O) process was developed for municipal wastewater treatment in this study. The effects of dissolved oxygen (DO) concentration, hydraulic retention time (HRT) and the ratio of chemical oxygen demand (COD) to total nitrogen (...

journal_title：Environmental technology

authors： Li D,Mao Y,Liu Z,Yin X,Lang C,Liu Y

更新日期：2014-09-01 00:00:00

abstract：:Nitrate leaching contaminates groundwater. The objective of this study was to determine if reed and rice stalks could enhance denitrification and reduce nitrate leaching into groundwater. Artificial groundwater spiked with nitrate and field groundwater samples were tested in the columns in sand reactors packed with ei...

journal_title：Environmental technology

authors： Qian J,Wang Z,Jin S,Liu Y,Chen T,Fallgren PH

更新日期：2011-10-01 00:00:00

abstract：:Treatment of wastewater containing phenol using laboratory scale waste stabilisation ponds enriched with activated sludge was studied. After enrichment, the efficiency of these ponds under high phenol loading rates (i.e. up to 408 kg phenol ha(-1) day(-1)) was studied. At phenol loading rates of 6, 52, 312, 636 and 97...

journal_title：Environmental technology

authors： Avelar FJ,Martínez-Pereda P,Thalasso F,Rodríguez-Vázquez R,Alba J,Esparza-García FJ

更新日期：2003-04-01 00:00:00

abstract：:Enhancement of the transesterification efficiency of triglyceride has come under heated study in biodiesel-making industry. In this research, the NiMo/La-Al2O3 nanopowders have been prepared for producing biodiesel efficiently. The screening test showed that the NiMo/La-Al2O3 catalyst has the best catalytic activity f...

journal_title：Environmental technology

authors： Yang C,He L,Guan Q,Chen J,Miao R,Tao L,Hu N,Li B

更新日期：2019-10-11 00:00:00

abstract：:Dissimilatory nitrate reduction to ammonium was examined in the bottom sediment of selected reservoirs. In vitro measurements of DNRA rates were made with undisturbed sediment cores, using an 15N stable isotope technique. 15NH4+ analysis was conducted using a C and N Elemental Analyzer, model EA 1112 (ThermoQuest) on ...

journal_title：Environmental technology

authors： Tomaszek JA,Gruca-Rokosz R

更新日期：2007-07-01 00:00:00

abstract：:Three kinds of titania/silica pellets were prepared using the sol-gel method with surface areas of 50.4 m2 g(-1), 421.1 m2 x g(-1) and 89.1 m2 x g(-1). An annular reactor was designed and built to determine the degradation efficiency of toluene and to investigate the relationship between the adsorption and desorption-...

journal_title：Environmental technology

authors： Luo Y,Zou L,Hu E

更新日期：2006-04-01 00:00:00

abstract：:Two-stage anaerobic digestion (AD) of two-phase olive mill solid waste (OMSW) was applied for reducing the inhibiting factors by optimizing the acidification stage. Single-stage AD and co-fermentation with chicken manure were conducted coinstantaneous for direct comparison. Degradation of the polyphenols up to 61% was...

journal_title：Environmental technology

authors： Stoyanova E,Lundaa T,Bochmann G,Fuchs W

更新日期：2017-02-01 00:00:00

abstract：:Trichosporon akiyoshidainum HP2023 is a basidiomycetous yeast isolated from Las Yungas rainforest (Tucumán, Argentina) and selected based on its outstanding textile-dye-decolorizing ability. In this work, the decolorization process was optimized using Reactive Black 5 as dye model. Lactose and urea were chosen as carb...

journal_title：Environmental technology

authors： Martorell MM,Rosales Soro MDM,Pajot HF,de Figueroa LIC

更新日期：2018-12-01 00:00:00

abstract：:Accidental water basin pollution seriously threatens human health and ecological security, but rapid, effective methods for evaluating this threat are lacking. This paper aims to develop a risk evaluation method for basin accidents by coupling the risk source with sensitive targets to evaluate the zone accident risk l...

journal_title：Environmental technology

authors： Li Z,Zeng B,Zhou T,Li G,Zhu X

更新日期：2016-01-01 00:00:00

abstract：:Sulfamethoxazole (SMX) is a commonly used antibiotic for both human and animals. The frequent detection of SMX in natural water bodies and sediment has become an issue of great environmental concern due to its potential risk to induce antibiotic resistance in pathogenic bacteria. In the present work, the catalytic wet...

journal_title：Environmental technology

authors： Yu Y,Huang F,He Y,Wang F,Lv Y,Xu Y,Zhang Y

更新日期：2020-03-01 00:00:00

abstract：:The research on the Columbia River Basalt is a unique combination of projects that minimise CO2 emissions to the atmosphere. Both are underground waste disposal projects: CO2 waste versus nuclear waste. The recent Wallula CO2 project and the previous nuclear-waste project in the Columbia River Basalt (CRB), USA, provi...

journal_title：Environmental technology

authors： Schwartz MO

更新日期：2020-09-09 00:00:00

abstract：:The increasing demand for methane production cannot be satisfied by the use of anaerobic digestion only from waste/wastewater treatment. Perennial energy crops, such as miscanthus and willow, as well as agricultural residues can be considered as options for increasing the methane production through biomass digestion, ...

journal_title：Environmental technology

authors： Jurado E,Gavala HN,Skiadas IV

更新日期：2013-07-01 00:00:00

abstract：:Sedimentation dynamics of magnetite (γ-Fe3O4) nanopowder (10-20 nm) in water in a gradient magnetic field Bmax=0.3 T, (dB/dz)max=0.13 T/cm was studied for different water flow speeds and starting particle concentrations (0.1 and 1.0 g/l). The aggregates formation in water was monitored under the same conditions. In cy...

journal_title：Environmental technology

authors： Bakhteeva Iu,Medvedeva I,Byzov I,Zhakov S,Yermakov A,Uimin M,Shchegoleva N

更新日期：2015-07-01 00:00:00

abstract：:An inter-comparison exercise was performed between two laboratories on mineralised moss samples. Ten samples, together with three certified reference materials (CRM 61, CRM 62 and CRM 482) and five blanks were mineralised independently in the two laboratories and then analysed by both with different techniques (AAS, I...

journal_title：Environmental technology

authors： Dapiaggi M,Leva F,Rabuffetti D,Ayrault S,Gaudry A,Cenci RM

更新日期：2001-10-01 00:00:00

abstract：:This paper discusses decolorization and chemical oxygen demand (COD) abatement in olive mill wastewaters (OMW) by Phanerochaetae chrysosporium grown in static, suspended and immobilised cultures. When P chrysosporium is used in cultures, no decolorization of crude OMW is observed. Decolorization occurs only after remo...

journal_title：Environmental technology

authors： Mebirouk M,Sbai L,Lopez M,Gonzalez J

更新日期：2006-12-01 00:00:00

abstract：:Poly(m-phenylenediamine) (PmPD) microparticles, from the monomer with two amino groups, were synthesized through chemical oxidation, and the strong adsorbability of mercury ions on to PmPD was systematically examined. The results revealed a rapid adsorption process with an equilibrium time of 30 minutes. Also, the ads...

journal_title：Environmental technology

authors： Tang R,Li Q,Ding L,Cui H,Zhai J

更新日期：2012-01-01 00:00:00

abstract：:Layered double hydroxides are antitype 2/1 clay minerals that can be synthesized rapidly under laboratory conditions. Due to their high anion exchange capacities, layered double hydroxides have been investigated as potential adsorbents for removal of anionic contaminants from aqueous systems. In this study, uncalcined...

journal_title：Environmental technology

authors： You YW,Zhao HT,Vance GF

更新日期：2001-12-01 00:00:00

abstract：:The goal of this research is to find a more effective treatment for tequila vinasses (TVs) with potential industrial application in order to comply with the Mexican environmental regulations. TVs are characterized by their high content of solids, high values of biochemical oxygen demand (BODs), chemical oxygen demand ...

journal_title：Environmental technology

authors： Retes-Pruneda JL,Davila-Vazquez G,Medina-Ramírez I,Chavez-Vela NA,Lozano-Alvarez JA,Alatriste-Mondragon F,Jauregui-Rincon J

更新日期：2014-08-01 00:00:00