Phytoremediation potential of Pistia stratiotes and Eichhornia crassipes to remove chromium and copper.

abstract：:Two different organophilic bentonites obtained by cationic exchange with benzyldimethyloctadecylammonium chloride and trimethyloctadecylammonium chloride have been used to adsorb the organic fraction of a tannery sludge. The exchange process was carried out to different extents to obtain bentonite samples with differe...

journal_title：Environmental technology

authors： Cioffi R,Costanzo S,Maffucci L,Santoro L

更新日期：2001-01-01 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：:Metals removal onto a low-cost natural polysaccharide is performed. Firstly, some specific characteristics of adsorbent are determined. Potentiometric titrations of the sorbent have been realised. The values of the point of zero net proton charge (pznpc) and the cation exchange capacity (CEC) deduced from these experi...

journal_title：Environmental technology

authors： Gerente C,Reddad Z,Andres Y,Le Cloirec P

更新日期：2004-02-01 00:00:00

abstract：:The structure and physicochemical characteristics of weathered surfaces of marble in industrial environments can be attributed to the interconnected evolution of the processes taking place at the atmospheric environment--marble interface. The present work is an attempt to correlate the aerosols of a heavily polluted a...

journal_title：Environmental technology

authors： Moropoulou A,Bisbikou K,Van Grieken R,Torfs K,Polikreti K

更新日期：2001-06-01 00:00:00

abstract：:It is the priority to guarantee biosafety for drinking water treatment. The objective of this study was to evaluate the impact of widely applied conventional and ozone-biological activated carbon (O3-BAC) advanced treatment technology on biosafety of drinking water. The items, including assimilable organic carbon (AOC...

journal_title：Environmental technology

authors： Liao X,Zou R,Chen C,Yuan B,Zhou Z,Zhang X

更新日期：2018-01-01 00:00:00

abstract：:The present work reports the results of a series of experimental tests performed on cylindrically shaped biological aerated filters (BAFs) to define a new model for reactors design. The nitrification performance was analysed by monitoring a laboratory pilot plant over a six-month period; the dependence of the nitrific...

journal_title：Environmental technology

authors： Siciliano A,De Rosa S

更新日期：2015-01-01 00:00:00

abstract：:The palm oil mill industry generates palm oil mill effluent (POME) and empty fruit bunches (EFB) as by-products. This study reports the mesophilic co-digestion of POME with EFB. The biochemical methane potential (BMP) of POME and EFB was 0.397 L CH4/g volatile solids (VS) and 0.264 L CH4/g VS, respectively. In a serie...

journal_title：Environmental technology

authors： Kim SH,Choi SM,Ju HJ,Jung JY

更新日期：2013-07-01 00:00:00

abstract：:Standard experimental protocols for biodegrading petroleum hydrocarbons employ microbiological and/or analytical analysis, and require advanced machines and specialized professionals to carry them out. Furthermore, the obtained results involve a high margin of error. In this paper, a new experimental technique was dev...

journal_title：Environmental technology

authors： Said M,Elektorowicz M,Ahmad D,Chifrina R

更新日期：2006-10-01 00:00:00

abstract：:Activated carbon (AC), prepared from sugarcane bagasse waste through a low-temperature chemical carbonization treatment, was used as a support for nano-TiO2. TiO2 supported on AC (xTiO2-AC) catalysts (x = 10, 20, 50, and 70 wt.%) were prepared through a mechano-mixing method. The photocatalysts were characterized by R...

journal_title：Environmental technology

authors： El-Salamony RA,Amdeha E,Ghoneim SA,Badawy NA,Salem KM,Al-Sabagh AM

更新日期：2017-12-01 00:00:00

abstract：:Anodic oxidation at a boron-doped diamond anode of cork boiling wastewater was successfully used for mineralization and biodegradability enhancement required for effluent discharge or subsequent biological treatment, respectively. The influence of the applied current density (30-70 mA/cm2) and the background electroly...

journal_title：Environmental technology

authors： Fernandes A,Santos D,Pacheco MJ,Ciríaco L,Simões R,Gomes AC,Lopes A

更新日期：2015-01-01 00:00:00

abstract：:Pt nanoparticles/TiO2 catalysts were prepared and evaluated for UV-photocatalytic degradation ofphenol and 2-chlorophenol (2-CP) in synthetic wastewater solutions. The catalysts were synthesized by immobilizing colloidal Pt nanoparticles onto titanium dioxide (rutile TiO2). Analytical techniques, such as standard Brun...

journal_title：Environmental technology

authors： Barakat MA,Al-Hutailah RI,Qayyum E,Rashid J,Kuhn JN

更新日期：2014-01-01 00:00:00

abstract：:UV/persulfate (UV/PS) technologies have gained increased attention as efficient alternatives for removing pollutants from different classes, although processes based on the UVA-driven [Formula: see text] (PS) activation have not yet been discussed in the literature for the removal of the nonionic surfactant nonylpheno...

journal_title：Environmental technology

authors： Nunes RF,Tominaga FK,Borrely SI,Teixeira ACSC

更新日期：2020-07-04 00:00:00

abstract：:In this study, the performance and microbial community in a submerged membrane bioreactor were investigated for different hydraulic retention times. The removal efficiencies of chemical oxygen demand, total phosphorus, suspended solid and heterotrophic bacteria did not differ significantly with different hydraulic ret...

journal_title：Environmental technology

authors： You SJ

更新日期：2005-07-01 00:00:00

abstract：:The mineralisation of remazol black B (RBB) was studied at concentrations ranging from 20-1000 mgL(-1). The work was aimed at investigating the Fenton-like peroxidation of RBB at a concentration typically obtained in Batik cottage industries. Other response parameters were degradation and colour removal efficiencies. ...

journal_title：Environmental technology

authors： Hasan DB,Abdul Aziz AR,Daud WM

更新日期：2012-06-01 00:00:00

abstract：:Ammonia volatilisation from field applied slurries causes environmental hazards and loss of fertilizer value. Acidification of slurry, usually with inorganic or organic acids has previously been used to reduce NH3 emissions. In this study, we present an alternative technique for the acidification of slurry, namely the...

journal_title：Environmental technology

authors： Clemens J,Bergmann S,Vandré R

更新日期：2002-04-01 00:00:00

abstract：:Anaerobic ammonium oxidation (ANAMMOX) is an innovative process for the treatment of ammonia-contaminated waters. ANNAMOX is usually preceded by a nitrifying step in which ammonia is partially oxidized to nitrite. The effectiveness of the overall process depends on control of the nitrification and creation of a suitab...

journal_title：Environmental technology

authors： Daalkhaijav U,Nemati M

更新日期：2014-03-01 00:00:00

abstract：:The capacity of three inocula (sewer biofilm, mangrove and estuary sediment) to utilise typical fermentation products of municipal solid waste for biological sulfate reduction was investigated. Each inoculum was used in two reactors, one fed a mixture of volatile fatty acids and another fed glucose to provide a suite ...

journal_title：Environmental technology

authors： Patel M,Villa Gómez DK,Pikaar I,Clarke WP

更新日期：2020-06-22 00:00:00

abstract：:The effects of antecedent dry days (ADD) on nitrogen removal efficiency were investigated in soil infiltration systems, with three distinguishable layers: mulch layer (ML), coarse soil layer (CSL) and fine soil layer (FSL). Two sets of lab-scale columns with loamy CSL (C1) and sandy CSL (C2) were dosed with synthetic ...

journal_title：Environmental technology

authors： Cho KW,Yoon MH,Song KG,Ahn KH

更新日期：2011-05-01 00:00:00

abstract：:Inhalation of bioaerosols has been linked to many health problems. Filter media impregnated with antimicrobial material can provide effective removal and inactivation of bioaerosols. In this study, fibres were spun on a substrate by centrifugal spinning, obtaining filter media denoted 5THY and THY. Thyme essential oil...

journal_title：Environmental technology

authors： Salussoglia AIP,de Souza CWO,Tanabe EH,Lopes Aguiar M

更新日期：2020-06-30 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：:Kinetic control of Mean Cell Residence Time (MCRT) was shown to have a significant impact on membrane flux under steady-state conditions. Two laboratory-scale flat-plate submerged anaerobic membrane bioreactors were operated for 245 days on a low-to-intermediate strength substrate with high suspended solids. Transmemb...

journal_title：Environmental technology

authors： Pacheco-Ruiz S,Heaven S,Banks CJ

更新日期：2017-05-01 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：: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：:This study evaluated the effects of Al-coagulant sludge characteristics on the efficiency ofcoagulant recovery by acidification with H2SO4. Two sludge characteristics were studied: types of coagulant and textures of the suspended solid in raw water. The coagulant types are aluminium sulphate and polyaluminium chloride...

journal_title：Environmental technology

authors： Chen YJ,Wang WM,Wei MJ,Chen JL,He JL,Chiang KY,Wu CC

更新日期：2012-12-01 00:00:00

abstract：:Ozonation of 2,4-dichlorophenol (DCP) in the presence of permanganate has been investigated at various levels of pH. Compared with only 40% in single ozonation, by catalytic ozonation the total organic carbon removal efficiency reached almost 95%. It has been shown that the addition of 0.5 mg L(-1) MnO4- (based on man...

journal_title：Environmental technology

authors： Xiao H,Xu Y,Yu M,Zhang Q

更新日期：2010-10-01 00:00:00

abstract：:The reaction between Fe2+ and H2O2 generates highly reactive ·OH. However, the weak conversion from Fe3+ to Fe2+ limits its continuous reaction. Here, the difference between the Fenton system and modified Fenton system for the regeneration of Fe2+ was analyzed. A UV-vis spectrometer and redox potential measurements we...

journal_title：Environmental technology

authors： Zhou W,Gao J,Zhao H,Meng X,Wu S

更新日期：2017-08-01 00:00:00

abstract：:Two phosphate-solubilizing bacterial strains were isolated and identified as Acinetobacter calcoaceticus YC-5a and Enterobacter agglomerans KMC-7 based on the 16S rRNA gene sequence analysis. A. calcoaceticus YC-5a is less well known as a phosphate-solubilizing plant-associated bacterium. The plant growth-promoting pr...

journal_title：Environmental technology

authors： Ren YX,Zhu XL,Fan DD,Ma P,Liang LH

更新日期：2013-01-01 00:00:00

abstract：:The measurement of sludge bioavailability and biodegradability is important to assess the sludge potential as a source of carbon and energy during its biological stabilization. As the majority of biological sludge (secondary sludge) consists of biomass, an increase in sludge bioavailability can be achieved by using di...

journal_title：Environmental technology

authors： Aquino SF,Chernicharo CA,Soares H,Takemoto SY,Vazoller RF

更新日期：2008-08-01 00:00:00

abstract：:Of the various sources of arsenic released in to the environment, the presence of arsenic in water probably poses the greatest threat to human health. Arsenic is released in to the environment through water by dissolution of minerals and ores. Natural release is slow, but in some areas the concentration of arsenic in ...

journal_title：Environmental technology

authors： Pawlak Z,Rauckyte T,Zak S,Praveen P

更新日期：2008-02-01 00:00:00

abstract：:The eutrophication of many rivers and lakes is attributed to the anoxia and the increasing internal loading of nutrients from sediment. A novel sustained-release composite (SRC) synthesis of stearic acid and calcium peroxide (CaO2) was applied to supply a water body with oxygen endured in this study. The influences of...

journal_title：Environmental technology

authors： Li Y,Zhou Y,Zhou Z,Wang N,Zhou Q,Wang F

更新日期：2014-09-01 00:00:00