Functionalized magnetite nanoparticles with Moringa oleifera with potent antibacterial action in wastewater.

abstract：:Carbon-coated TiO2 powders were prepared from the mixtures of anatase (ST-01) and carbon precursor poly(vinyl alcohol) in different ratios by carbonization at 900 degrees C in a flow of either Ar or N2. Carbon-coated TiQ2 thus prepared was either fixed on an adhesive tape or formed into a film by using the organic bin...

journal_title：Environmental technology

authors： Inagaki M,Nonaka M,Kojin F,Tsumura T,Toyoda M

更新日期：2006-05-01 00:00:00

abstract：:The present study evaluated the phytotoxicity effect of goat manure (GM) collected from six different regions in South Korea, namely, Chupungnyeong (T1), Hoengseong (T2), Goesan (T3), Sancheong (T4), Jangsu (T5) and Namwon (T6). Phytotoxicity was assessed by means of the analysis of germination index (GI), relative se...

journal_title：Environmental technology

authors： Cho WM,Ravindran B,Kim JK,Jeong KH,Lee DJ,Choi DY

更新日期：2017-05-01 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：: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：:This study investigated the feasibility of using acrylonitrile-butadiene-styrene (ABS) waste plastic and nonmetal particles from waste printed circuit boards (WPCB) to manufacture reproduction composites (RC), with the aim of co-recycling these two waste resources. The composites were prepared in a twin-crew extruder ...

journal_title：Environmental technology

authors： Sun Z,Shen Z,Zhang X,Ma S

更新日期：2015-01-01 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：:Previous research has shown that dosing polymers directly to the saturator of a dissolved air flotation (DAF) process in replacement of upstream coagulation can achieve algae removal comparable to that of conventional treatment, as a result of bubble modification. In this paper we further explore the application of po...

journal_title：Environmental technology

authors： Henderson RK,Parsons SA,Jefferson B

更新日期：2010-06-01 00:00:00

abstract：:Different pretreatments (electrolysis, centrifugation and autoclaving) coupled with Chlorella vulgaris biological system was used for the treatment of poultry manure anaerobic-digested effluents. The pretreated effluents were used as the growth medium for algal cultivation. The pollutant removal efficiencies of the co...

journal_title：Environmental technology

authors： Wang M,Wu Y,Li B,Dong R,Lu H,Zhou H,Cao W

更新日期：2015-03-01 00:00:00

abstract：:In the present paper, the potential of the foamed emulsion bioreactor (FEBR), a novel biological reactor for air pollution control was evaluated. Experimental data obtained on a laboratory-scale prototype were used to scale-up the process for a hypothetical case consisting of a contaminated air flow rate of 10,000 m(3...

journal_title：Environmental technology

authors： Kan E,Deshusses MA

更新日期：2006-06-01 00:00:00

abstract：:The risks inherent to the inadequate domestic wastewater disposal, allied to the water growing demand, scarcity, and pollution problems, have highlighted the importance of adopting treatment techniques that not only target the sewage discharge, but also its reuse. For this reason, the objective of this study was to ev...

journal_title：Environmental technology

authors： Bracher GH,Carissimi E,Wolff DB,Graepin C,Hubner AP

更新日期：2020-01-03 00:00:00

abstract：:Incinerators do not achieve a complete mineralization of organic constituents of municipal solid waste. Bottom ash (main solid residue from incineration process) still contains a small quantity of carbon (1 to 5% in weight). This study is about characterisation of the carboned fraction (without carbonates) present in ...

journal_title：Environmental technology

authors： Quilici L,Praud-Tabaries A,Bottzeck O,Tiliacos N

更新日期：2003-08-01 00:00:00

abstract：:To enhance the stability and efficiency of an anaerobic process, the influences of fluid dynamics on the performance of anaerobic digestion and sludge granulation were investigated using computational fluid dynamics (CFD). Four different propeller speeds (20, 60, 100, 140 r/min) were adopted for anaerobic digestion of...

journal_title：Environmental technology

authors： Wang F,Zhang C,Huo S

更新日期：2017-05-01 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：:Optimization of Acid Orange 7 (AO7) treatment using heterogeneous Fenton-like method in a recirculating fluidized-bed reactor (FBR) was investigated by using central composite design (CCD). Natural magnetite (NM) as Fenton-like catalyst was characterized using scanning electron microscopy. A nonlinear CCD model was ob...

journal_title：Environmental technology

authors： Aghdasinia H,Arehjani P,Vahid B,Khataee A

更新日期：2017-10-01 00:00:00

abstract：:In this study, Fe(VI) was applied to treat three mine tailings containing different amounts of sulphides and heavy metals. Oxidation of sulphides by Fe(VI) was studied at pH 9.2 with variation of solid to solution ratio, Fe(VI) concentration and injection number of Fe(VI) solution. The major dissolved products from th...

journal_title：Environmental technology

authors： Lee YH,Yu MR,Chang YY,Kang SH,Yang JK

更新日期：2015-01-01 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：:This study investigated the utilization of agricultural matrices as the support materials for cell immobilization to improve the technique of bioremediation. Coir, bulrush, banana stem and water hyacinth stem in both delignified and undelignified forms were used to immobilize Burkholderia cepacia PCL3 in bioremediatio...

journal_title：Environmental technology

authors： Laocharoen S,Plangklang P,Reungsang A

更新日期：2013-09-01 00:00:00

abstract：:Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) are the major polyfluoroalkyl substances (PFASs) contaminating global water environment. This study investigated the efficiency of granular activated carbon (GAC), ultrafiltration (UF) and nanofiltration (NF) treatment for removing PFOS and PFOA contam...

journal_title：Environmental technology

authors： Pramanik BK,Pramanik SK,Sarker DC,Suja F

更新日期：2017-08-01 00:00:00

abstract：:Doping non-metals onto TiO2 has been regarded as a promising way to gain a more effective photocatalyst. In this paper, N, F-codoped TiO2 was synthesized by the sol-gel method, demonstrating both high adsorption capacity and high photocatalytic activity under visible light irradiation. Samples were characterized by X-...

journal_title：Environmental technology

authors： Xia SM,Zhang YQ,Zheng YF,Xu CS,Liu GM

更新日期：2019-04-01 00:00:00

abstract：:To recover oil from crude oil containing sludge is still a research hot topic from the view of sustainability, in which ultrasonic has been proven to be an efficient and environment friendly technique. However, the effect of sludge characteristic on ultrasonic-assisted oil recovery efficiency is little known. In this ...

journal_title：Environmental technology

authors： He S,Tan X,Hu X,Gao Y

更新日期：2019-04-01 00:00:00

abstract：:The photocatalytic degradation of an antibiotic, vancomycin B hydrochloride (VAN-B), has been investigated in aqueous suspensions of titanium dioxide (TiO2) by monitoring the change in its concentration as well as the production of ammonia and chlorides as a function of irradiation time. The removal of 50mg L(-1) VAN-...

journal_title：Environmental technology

authors： Lofrano G,Carotenuto M,Uyguner-Demirel CS,Vitagliano A,Siciliano A,Guida M

更新日期：2014-05-01 00:00:00

abstract：:The demand for removal of refractory organic pollutants limits the application of microbial fuel cells. In this study, the synergistic effects of bioelectrochemical and photocatalysis methods were captured by constructing a biophoto anode from a combination of WO3/TiO2 and carbon felt. This biophoto electrode was able...

journal_title：Environmental technology

authors： Long X,Wang H,Wang C,Li X

更新日期：2020-11-01 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：:In the present paper, the removal of aniline by adsorption process onto granular activated carbon (GAC) is reported from aqueous solutions containing catechol and resorcinol separately. The Taguchi experimental design was applied to study the effect of such parameters as the initial component concentrations (C(0,i)) o...

journal_title：Environmental technology

authors： Suresh S,Srivastava VC,Mishrab IM

更新日期：2012-04-01 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：:ABSTRACT The present work focuses on the synthesis of a proton exchange membrane to be assembled in a microbial fuel cell (MFC) for simultaneous bioelectricity production and domestic wastewater treatment. The indigenous membrane was prepared by ionizing irradiation-induced graft copolymerization of glycidyl methacryl...

journal_title：Environmental technology

authors： Abd-Elmabood HM,Raafat AI,Soliman EA,Ali AE

更新日期：2020-07-07 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：:The study examined the preparation, characterization and the use of carbon xerogel (CX) material for the adsorption of three model naphthenic acids (NAs); such as, heptanoic acid (HPA), 5-cyclohexanepentanoic acid (CHPA), and 5-phenylvaleric acid (PVA). CX was synthesized by sol-gel method from resorcinol and formalde...

journal_title：Environmental technology

authors： Rashed Y,Messele SA,Zeng H,Gamal El-Din M

更新日期：2020-11-01 00:00:00

abstract：:A hydrometallurgical circuit process combining the leaching of metals with the electrolytic regeneration of the mass separating agent is an option to effectively treat heavy metal contaminated solids. This process aims towards a dosed loop utilisation of the extractant by its regeneration and recycling, enabling the u...

journal_title：Environmental technology

authors： Arévalo EF,Stichnothe H,Thöming J,Calmano W

更新日期：2002-05-01 00:00:00

abstract：:The application of air protection methods and technologies involves considerable investment and maintenance costs. Thus, to reduce overall expenditures an economic calculation of air pollution control, should be applied. This problem is connected in special way with areas of great population of inhabitants with spatia...

journal_title：Environmental technology

authors： Zelinski J,Konieczynski J,Mateja-Losa E

更新日期：2004-01-01 00:00:00