Evaluation of filter media covered with spun fibres and containing thyme essential oil with antimicrobial properties.

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：:Despite being acknowledged as an emerging contaminant, sulphamethazine (SMT) degradation has received scarce attention in the advanced oxidation processes field. Thus, this work addresses the degradation of SMT in water solutions (12 L of 25mgL-1 samples) by means of a photo-Fenton process and a systematic H202 dosage...

journal_title：Environmental technology

authors： Yamal-Turbay E,González LP,Graells M,Pérez-Moya M

更新日期：2014-08-01 00:00:00

abstract：:To understand the effect of forests and wetlands on air quality, the PM10 and PM2.5 concentration and meteorological data were collected in the forest and wetland in the Beijing Olympic Forest Park in China from May 2106 to May 2017. The blocking rates of forest and wetland to PMs were calculated under different air q...

journal_title：Environmental technology

authors： Cong L,Zhang H,Zhai J,Yan G,Wu Y,Wang Y,Ma W,Zhang Z,Chen P

更新日期：2020-07-01 00:00:00

abstract：:Pine bark, a low-cost industrial residue, has been suggested as a promising substitute for granular activated carbon in the on-site treatment of water contaminated with 2,4,6-trinitrotoluene (TNT). However, the complex organic structure and indigenous microbial community of pine bark have thus far not been thoroughly ...

journal_title：Environmental technology

authors： Chusova O,Nolvak H,Nehrenheim E,Truu J,Odlare M,Oopkaup K,Truu M

更新日期：2014-09-01 00:00:00

abstract：:This paper reviews published work on the sorption of rare earth elements by microbial biomass. In a first part, the biosorption capacities and the various experimental conditions performed in batch reactor experiments are compared. Secondly, sorption modelling generally used in biosorption studies are described. Third...

journal_title：Environmental technology

authors： Andrès Y,Texier AC,Le Cloirec P

更新日期：2003-11-01 00:00:00

abstract：:Recognition and detailed characterization of solid particles emitted from thermal power plants into the environment is highly important due to their potential detrimental effects on human health. Snow cover is used for the identification of anthropogenic emissions in the environment. However, little is known about typ...

journal_title：Environmental technology

authors： Talovskaya AV,Yazikov EG,Filimonenko EA,Lata JC,Kim J,Shakhova TS

更新日期：2018-09-01 00:00:00

abstract：:Problems have been found in the traditional post-positioned down-flow biological activated carbon filter (DBACF), such as microorganism leakage and low biodegradability. A pilot test was carried out to place a BACF between the sediment tank and the sand filter; a new technology of dual media up-flow aerated biological...

journal_title：Environmental technology

authors： Lu S,Liu J,Li S,Biney E

更新日期：2013-07-01 00:00:00

abstract：:In order to solve the water solubility and difficult re-use of plant polyphenol (PP) in Cd(II) adsorption, PP was immobilized on the surface of magnetic material in this study. A core-shell nanocomposite Fe3O4/SiO2/PP (∼18 nm) was synthesized with 3-8 nm SiO2 and 2-5 nm PP. TGA analysis revealed the PP coating amount ...

journal_title：Environmental technology

authors： Liu C,Jiang X,Wang X,Wang Q,Li L,Zhang F,Liang W

更新日期：2020-08-27 00:00:00

abstract：:This study examined the changes in the bacterial community during biodegradation of polycyclic aromatic hydrocarbon (PAH) substrate when N'-N' dimethylformamide (DMF) was added. The microbial populations that biodegrade the PAH substrate were assessed by Fluorescence in-situ hybridization (FISH) and changed from 49.45...

journal_title：Environmental technology

authors： Chang YT,Lee JF,Chao HP,Liao WL

更新日期：2006-01-01 00:00:00

abstract：:The photocatalytic degradation of many chlorinated organic compounds by semiconductor particles, has been widely recognised as a promising method of water and wastewater treatment process. In the present work the photocatalytic transformation of 2,4-D and MCPA in aqueous solution with 2 g l(-1) suspended TiO2 is demon...

journal_title：Environmental technology

authors： Djebbar K,Zertal A,Sehili T

更新日期：2006-11-01 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：:A novel system integrating an upflow anaerobic sludge blanket (UASB) reactor and a two-stage biological aerated filter (BAF) system was investigated as advanced treatment of heavy oil wastewater with large amounts of dissolved recalcitrant organic substances and low levels of nitrogen and phosphorus nutrients. #1 BAF,...

journal_title：Environmental technology

authors： Zou XL

更新日期：2015-01-01 00:00:00

abstract：:The objective of this study was to evaluate the performance of an adsorbent, based on a solid residue arising from biodiesel production, for the removal of cationic dyes from wastewaters. The adsorbent was produced by microwave thermal activation. The Freundlich model provided the best fit for equilibrium data, indica...

journal_title：Environmental technology

authors： Nunes DL,Franca AS,Oliveira LS

更新日期：2011-07-01 00:00:00

abstract：:A charge-coupled device camera was used for the optical monitoring of activated sludge flocs and filaments, and the image analysis results were compared with the effluent clarity at a full-scale activated sludge plant during a three-month period. The study included a maintenance stoppage at the wastewater treatment pl...

journal_title：Environmental technology

authors： Koivuranta E,Keskitalo J,Stoor T,Hattuniemi J,Sarén M,Niinimäki J

更新日期：2014-08-01 00:00:00

abstract：:Composite hydrogels were prepared by a wet-casting process by blending a biopolymer, chitosan, with activated carbon (AC) for use in water treatment. Adsorption properties of the composite gels for an organic micro-pollutant (phenol) which may be encountered in wastewaters was studied with an experimental design appro...

journal_title：Environmental technology

authors： Venault A,Vachoud L,Pochat C,Bouyer D,Faur C

更新日期：2008-12-01 00:00:00

abstract：:The removal of anionic and cationic dyes from aqueous solutions was investigated by different leather shavings, which are solid wastes generated in the leather industry. Wet-blue leather shavings (WB), vegetable-tanned leather shavings (VT), pickled hide (not tanned) shavings (PIC) and wet-white leather (pre-tanned) s...

journal_title：Environmental technology

authors： Carvalho Pinheiro NS,Perez-Lopez OW,Gutterres M

更新日期：2020-09-27 00:00:00

abstract：:The purposes of this study were to develop a refined model for simulation of ozonation of estrogenic chemicals under different conditions and to investigate the behaviors of estrogenic by-products using the model. In the cases of ozonation of 17-estradiol (E2), bisphenol-A (BPA) and nonylphenol (NP) in aqueous solutio...

journal_title：Environmental technology

authors： Kim SE,Park NS,Yamada H,Tsuno H

更新日期：2008-03-01 00:00:00

abstract：:The red microalga Porphyridium cruentum is exploited industrially for its exopolysaccharides (EPS) and pigments production. EPS produced by P. cruentum are partially released and dissolved into the surrounding environment, they can be recovered from the culture medium after removing the cells. This paper presents a pa...

journal_title：Environmental technology

authors： Zaouk L,Massé A,Bourseau P,Taha S,Rabiller-Baudry M,Jubeau S,Teychené B,Pruvost J,Jaouen P

更新日期：2020-04-01 00:00:00

abstract：:In this study, coal fly ash supported MnO2 (CFA@MnO2) was synthesized as heterocatalyst for the activation of peroxymonosulfate to degrade Acid Red 73 (AR73). The synthesized catalyst was characterized by X-Ray Fluorescence Spectrometer (XRF), X-ray powder diffraction (XRD), Scanning electron microscope (SEM), X-ray p...

journal_title：Environmental technology

authors： Li X,Yi L,Zhu Q,Zhao L,Xu Y,Liu M,Liu T,Wu Q

更新日期：2021-01-01 00:00:00

abstract：:To study lead (Pb) distribution in organs and blood in the case of Pb poisoning, mice were firstly exposed to Pb as 0.1 mL or 0.2 mL of lead nitrate solution (0.1 mg/mL) by vein injection every other day. Then, after metabolic absorption, the Pb level in the blood and organs of the mice was measured using flame atomic...

journal_title：Environmental technology

authors： Sun HW,Ma DJ,Chao CY,Liu S,Yuan ZB

更新日期：2009-09-01 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：:Textural, structural and morphological characteristics of the vitreous tuff were determined by means of several physicochemical techniques. The nitrogen adsorption isotherm at 77 K was fitted with the Brunnauer-Emmet-Teller model and together with the results of the average pore distribution showed a mesoporous materi...

journal_title：Environmental technology

authors： Blanco-Flores A,Colín-Cruz A,Gutiérrez-Segura E,Sánchez-Mendieta V,Solís-Casados DA,Garrudo-Guirado MA,Batista-González R

更新日期：2014-05-01 00:00:00

abstract：:The bioconversion of sugar-industry wastewater to value-added products is a prominent topic in biotechnology. This work cultured a carotenoid-producing photosynthetic bacterium, Rhodopseudomonas faecalis, in a photo-bioreactor containing different wastewater from wastewater treatment ponds of a Thai sugar company. The...

journal_title：Environmental technology

authors： Saejung C,Salasook P

更新日期：2020-01-01 00:00:00

abstract：:Extracts from four Chinese herbs, Phellodendri chinensis cortex, Artemisia annua L., Scutellaria baicalensis G. and Citrus reticulate peel were tested for their algicidal effects on Microcystis aeruginosa and Chlorella pyrenoidosa. The results showed that M. aeruginosa was more susceptible than C. pyrenoidosa. The gro...

journal_title：Environmental technology

authors： Ye L,Qian J,Jin S,Zuo S,Mei H,Ma S

更新日期：2014-05-01 00:00:00

abstract：:This study aims to prepare environmentally friendly iron catalysts supported on silica, using glycerol as green reducing and stabilizing agent, for application in heterogeneous Fenton degradation of the pollutant dye methyl orange (MO). The catalysts were characterized by X-ray powder diffraction, atomic absorption sp...

journal_title：Environmental technology

authors： Trotte NSF,Alzamora M,Sánchez DR,Carvalho NMF

更新日期：2018-11-01 00:00:00

abstract：:Dry and chemical torrefaction of sugar cane bagasse was examined in this study with the aim of stabilising and upgrading the fuel properties of bagasse. Dry torrefaction was conducted at temperatures from 160°C to 300°C under inert conditions, whilst chemical torrefaction incorporated a H2SO4 pre-treatment of bagasse....

journal_title：Environmental technology

authors： Valix M,Katyal S,Cheung WH

更新日期：2017-07-01 00:00:00

abstract：:Dispersion modelling was proved by researchers that most part of the models, including the regulatory models recommended by the Environmental Protection Agency of the United States (AERMOD and CALPUFF), do not have the ability to predict under complex situations. This article presents a novel evaluation of the propaga...

journal_title：Environmental technology

authors： Hoinaski L,Franco D,de Melo Lisboa H

更新日期：2017-03-01 00:00:00

abstract：:The aim of this paper was, on one hand, to study the treatment of raw tannery effluent by infiltration percolation system and, on the other hand, to determine the distribution and speciation of chromium in the used soil. The system pilot consisted of columns filled to 15 cm of gravel and 60 cm of soil (88% of sand). T...

journal_title：Environmental technology

authors： Tiglyene S,Jaouad A,Mandi L

更新日期：2008-06-01 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：:Herbal Pharmaceutical wastewater was subjected to physico-chemical treatment using conventional coagulants individually and in combination with different anionic, cationic and nonionic polyelectrolytes. Results indicate cationic polyelectrolyte to be the best polymer. Individually Alum did not give good results but Al...

journal_title：Environmental technology

authors： Vanerkar AP,Satyanarayan S,Dharmadhikari DM

更新日期：2005-04-01 00:00:00