Characterization and evaluation of the efficiency of SiO2/tetra-α-(2,4-di-tert-butylphenoxy)-phthalocyaninato zinc nanocomposite as photosensitizers for oxidation of 2,4,6-trichlorophenol.

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

abstract：:In this study, we have reported a novel wastewater treatment technique by phenol imprinted bacterial cellulose (BC-MIP) nanofibres with high specificity and adsorption capacity. N-methacryloyl-(L) phenylalanine methyl ester (MAPA) functional monomer was used to create specific binding sites for the template molecule p...

journal_title：Environmental technology

authors： Derazshamshir A,Göktürk I,Tamahkar E,Yılmaz F,Sağlam N,Denizli A

更新日期：2020-10-01 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：: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 production of sulfur (S) from the biological oxidization of sulfide (S2-) by SOB (sulfide-oxidizing bacteria) allows for resource recovery. Past researches have indicated that S recovery from S2- oxidation MABR (the membrane aerated biofilm reactor) was feasible. The process was complicated by the requirement of m...

journal_title：Environmental technology

authors： Jiang X,Xu B,Wu J

更新日期：2019-05-01 00:00:00

abstract：:The efficiency of the up-flow anaerobic sludge blanket (UASB) reactor is quite low for the treatment of low strength wastewaters (LSWs) due to less biogas production leading to poor mixing. LSW may be treated efficiently by providing adequate mixing in the UASB reactor when gas production is low, and sufficient mixing...

journal_title：Environmental technology

authors： Das S,Chaudhari S

更新日期：2015-01-01 00:00:00

abstract：:A novel complexing membrane containing 8-hydroxyquinoline groups was used for the removal of heavy metal ions (Cd2+ and Ni2+) from aqueous solution. The functionalized membranes were characterized by FTIR-ATR, SEM and EDAX for the presence of functional groups, the physical structure of the membranes and the analysis ...

journal_title：Environmental technology

authors： Madaeni SS,Heidary F

更新日期：2012-02-01 00:00:00

abstract：:Anaerobic digestion of agricultural biomass or wastes can offer renewable energy, to help meet the rise in energy demands. The performance of an anaerobic digester considerably depends upon the complex interactions between bacterial and archaeal microbiome, which is greatly influenced by environmental factors. In the ...

journal_title：Environmental technology

authors： Mahajan R,Nikitina A,Nozhevnikova A,Goel G

更新日期：2016-11-01 00:00:00

abstract：:Combustion processes are known to produce organic micro-pollutants in the flue gas at concentrations ranging over several orders of magnitude. Some organic micro-pollutants are suspected of being pseudo-estrogens and as such they can affect the public health. In this study, the possible application of the yeast based ...

journal_title：Environmental technology

authors： Muthumbi W,De Boever P,D'Haese I,D'Hooge W,Top EM,Pieters JG,Comhaire F,Verstraete W

更新日期：2002-03-01 00:00:00

abstract：:In this research, removal of petroleum hydrocarbons from oily sludge of crude oil storage tanks was investigated under the optimized conditions of in-vessel composting process and chemical oxidation with H2O2 and Fenton. After determining the optimum conditions, the sludge was pre-treated with the optimum state of the...

journal_title：Environmental technology

authors： Koolivand A,Naddafi K,Nabizadeh R,Saeedi R

更新日期：2018-10-01 00:00:00

abstract：:Confined animal feeding operations are producing large amounts of organic waste with large fractions being mixtures of manure and sawdust. On one hand, the inhomogeneity of the material and the high water content restrict the optimal application of thermal treatment methods. On the other hand, the high concentration o...

journal_title：Environmental technology

authors： Talley A,Heimann R,Vakalis S

更新日期：2018-07-01 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：: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：:We reported the preparation of NGO-Fe3O4 by simple hydrothermal-co-precipitation. The catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). It was demonstrated that norfloxacin (NOR) could be effectively degraded by the UV/NGO-Fe...

journal_title：Environmental technology

authors： Wu J,Bai J,Wang Z,Liu Z,Mao Y,Liu B,Zhu X

更新日期：2020-06-17 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：:Paramagnetic materials, such as ferric hydroxides, which are cost-effective and highly-efficient, have been little studied in relation to the magnetic separation process. In this study, freshly formed hydrous ferric oxide (HFO) sols were used to remove aqueous phosphate, followed by superconducting magnetic separation...

journal_title：Environmental technology

authors： Li Y,Li Z,Xu F,Zhang W

更新日期：2017-02-01 00:00:00

abstract：:Biodegradation and bioconversion of lignin are the result of the combined action of fungi, bacteria and actinomycetes. Through screening from forest soil, two novel isolated actinomycete strains were identified as Streptomyces spp. strains F-6 and F-7 by their morphology, cultural characteristics and high homology to ...

journal_title：Environmental technology

authors： Yang YS,Zhou JT,Lu H,Yuan YL,Zhao LH

更新日期：2012-12-01 00:00:00

abstract：:Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) widely used in the treatment of major depression. It has been detected in surface and wastewaters, being able to negatively affect aquatic organisms. Most of the ecotoxicity studies focused only in pharmaceuticals, though excipients can also pose a risk to ...

journal_title：Environmental technology

authors： Silva A,Santos LH,Delerue-Matos C,Figueiredo SA

更新日期：2014-11-01 00:00:00

abstract：:How to utilize the shadows of buildings and greening to jointly improve the thermal cycle of the commercial pedestrian streets in hot and humid areas in southern China is a problem that needs to be discussed. This paper put forward related concepts of the invalid shadow area, valid shadow area, and thermal regulation ...

journal_title：Environmental technology

authors： Chen J,Wang F

更新日期：2020-02-06 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：:Polychlorinated biphenyls (PCBs) are carcinogenic to humans and can be found in fuller's earth used for the treatment of used transformer oil. This work describes an optimization of the Fenton process for the removal of contaminants from fuller's earth. The effects of pH (2.5 and 4.0), [H2O2] (1.47 and 2.07 mol L-1), ...

journal_title：Environmental technology

authors： da Silva MRA,Rodrigues EO,Espanhol-Soares M,Silva FS,Kondo MM,Gimenes R

更新日期：2019-04-01 00:00:00

abstract：:ABSTRACT Biohythane (hydrogen + methane) production in a two stage dark fermentation (DF) and anaerobic digestion (AD) process from food waste (FW) has been studied. This paper investigated the effect of operation temperature, i.e. mesophilic (34 °C) and thermophilic (55 °C) , on biohythane yield and total energy reco...

journal_title：Environmental technology

authors： Ghimire A,Luongo V,Frunzo L,Lens PNL,Pirozzi F,Esposito G

更新日期：2021-01-06 00:00:00

abstract：:Based on Cu-BTC metal-organic framework, thiol-functionalized and amino functionalized materials were prepared by the modified Stöber method. Then, the Cu3(BTC)2 and the functionalized materials were characterized by means of X-ray diffraction, SEM-EDS and FT-IR analysis. The adsorption properties of two materials for...

journal_title：Environmental technology

authors： Xiao X,Deng Y,Xue J,Gao Y

更新日期：2019-10-29 00:00:00

abstract：:A heterotrophic nitrifier wsw-1001 was isolated from Songhua River and identified as Pseudomonas fluorescens. Ammonium removal by the strain at low temperature was investigated. The effect of initial ammonium concentration (from 5 to 1000 mg/L) and culture temperature (from 4°C to 30°C) on ammonium removal efficiency ...

journal_title：Environmental technology

authors： Zhang S,Sha C,Jiang W,Li W,Zhang D,Li J,Meng L,Piao Y

更新日期：2015-01-01 00:00:00

abstract：:The effect of ethylenediaminetetraacetic acid (EDTA) during electrokinetic decontamination (EKD) was investigated in this research. EDTA is a ligand that can form soluble complexes with precipitated heavy metals inside soil pores. Millpond sludge, primarily contaminated with lead (Pb) and zinc (Zn), was subjected to E...

journal_title：Environmental technology

authors： Karim MA,Khan LI

更新日期：2012-10-01 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 role of wastewater suspended solids in denitrification based on intracellular carbon storage was investigated in a biofilm sequencing batch reactor performing alternately anaerobic carbon storage and denitrification. Municipal wastewater as the feeding was compared with filtered wastewater and with acetate. The re...

journal_title：Environmental technology

authors： Krasnits E,Beliavski M,Tarre S,Green M

更新日期：2014-01-01 00:00:00

abstract：:High concentrations of heavy metals, such as arsenic, in soils have potential long-term environmental and health consequences due to their persistence in the environment and their associated toxicity to biological organisms. Aspergillus nidulans isolated from arsenic-contaminated soil has the potential to remove arsen...

journal_title：Environmental technology

authors： Maheswari S,Murugesan AG

更新日期：2009-08-01 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：:Evaluation of the effect of earthworm Lumbricus terrestris on the speciation of copper and cadmium was carried out on two types of soils with a high metallic contamination due to municipal wastes spreading. The concentrations of total dissolved metals were higher in the soil containing earthworms. This increase was la...

journal_title：Environmental technology

authors： El Gharmali A,Rada A,El Meray M,Nejmeddine A

更新日期：2002-07-01 00:00:00