High-performance sulfosuccinic acid cross-linked PVA composite pervaporation membrane for desalination.

abstract：:Cocoa bean skin is a waste of chocolate industries that mostly contains hemicellulose, cellulose, and lignin. This material shows to be a promising feedstock for the production of liquid smoke and charcoal. The study was aimed to analyse the influence of temperature and heating rate of cocoa bean skin pyrolysis to the...

journal_title：Environmental technology

authors： Handojo L,Indarto A

更新日期：2020-03-01 00:00:00

abstract：:Nоblе mеtаls suppоrtеd оn TiО2 (Dеgussа P25) mоdifiеd with WО3 undеr thе еffесt оf fееding оxуgеn аnd оzоnе соntаining mixturе tо thе rеасtоr undеr UV-С irrаdiаtiоn wеrе еxаminеd fоr thеir саtаlуtiс асtivitу in thеrеасtiоn оf оxаliс асid liquid phаsе оxidаtiоn. Thе sаmplеs wеrе sуnthеsizеd bу еxtrасtivе-pуrоlуtiс mеth...

journal_title：Environmental technology

authors： Gеоrgiеv V,Еliуаs А,Tуuliеv G,Bаtаkliеv T,Sеrgа V,Kаrаkаshkоvа P,Аnасhkоv M,Iliеv V

更新日期：2020-09-01 00:00:00

abstract：:Acid mine drainage (AMD) is the major effluent generated from metal and coal mines, causing serious ecological risks and degradation of aquatic habitats and surrounding soil quality. Biochemical passive reactors (BPRs) are an option for improving AMD affected water. This study investigates the effect of the size and c...

journal_title：Environmental technology

authors： Vásquez Y,Galvis JA,Pazos J,Vera C,Herrera O

更新日期：2020-12-30 00:00:00

abstract：:In this work, the mechanism of the Cr(III) sorption by Salvinia auriculata biosorbent was studied in two stages. To understand the influence of the sorption parameters on the Cr(III) uptake, preliminary tests were performed. First, S. auriculata biomass was separately treated with base and acid solutions. Second, acid...

journal_title：Environmental technology

authors： Módenes AN,de Oliveira AP,Espinoza-Quiñones FR,Trigueros DEG,Kroumov AD,Borba CE,Hinterholz CL,Bergamasco R

更新日期：2017-06-01 00:00:00

abstract：:Nitrous oxide (N2O) is a potent greenhouse gas, which is produced during nitrifying and denitrifying processes. Some factors and mechanisms affecting N2O emission have been reported in previous literature, but wastewater biological nitrification is accompanied by a dynamic process of dissolved oxygen (DO) consumption ...

journal_title：Environmental technology

authors： Li P,Wang S,Peng Y,Liu Y,He J

更新日期：2015-07-01 00:00:00

abstract：:Because of their applications in large numbers of products, Zinc Oxide nanoparticles (nano-ZnO) will inevitably enter into the environment. Nano-ZnO released into the environment will be present in a complex matrix which can cause various chemical and physical transformations and modulate the biological reactivity of ...

journal_title：Environmental technology

authors： Chen X,O'Halloran J,Jansen MAK

更新日期：2019-07-01 00:00:00

abstract：:The performance of anaerobic, packed-bed bioreactors treating leachate from potato waste was evaluated in terms of organic loading rate (OLR) as well as the recirculation flow rate. Two 1 litre bioreactors, filled with porous glass beads as biofilm carriers and with continuous recirculation flow rates of 10 ml min(-1)...

journal_title：Environmental technology

authors： Mshandete A,Murto M,Kivaisi AK,Rubindamayugi MS,Mattiasson B

更新日期：2004-08-01 00:00:00

abstract：:Polyaspartic acid (PSI) is suitable for the inhibition of inorganic scale deposition. To enhance its scale inhibition efficiency, PSI was modified by reacting aspartic acid with malic acid (MA) using thermal polycondensation polymerization. This reaction resulted in poly(aspartic acid-co-malic acid) (PSI-co-MA) dual p...

journal_title：Environmental technology

authors： Mithil Kumar N,Gupta SK,Jagadeesh D,Kanny K,Bux F

更新日期：2015-05-01 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：: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：: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：: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：:Compost made from municipal solid waste (MSW) contains heavy metals that can interfere with the use of organic amendment in soil. In order to find effective ways to reduce the potential risk of heavy metals, we have investigated a novel approach by use of organic acid during MSW composting. Citric and oxalic acid diss...

journal_title：Environmental technology

authors： Rosal A,Chica AF,Arcos MA,Dios M

更新日期：2012-09-01 00:00:00

abstract：:This study highlights the need for the development of simple, efficient, and cost-effective farm-scale applications to treat wastewater arising from vegetable-peeling operations. The aim was to evaluate two full-scale biological wastewater treatment systems, a sequencing batch reactor (SBR) and a biofilter, and a chem...

journal_title：Environmental technology

authors： Lehtoa M,Sipilä I,Sorvala S,Hellstedt M,Kymäläinen HR,Sjöberg AM

更新日期：2009-01-01 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：:In this work, we report a stable g-C3N4, Bi2S3, and g-C3N4/Bi2S3 composite catalysts were prepared via a facile one-pot microwave-assisted method and characterized. The orthorhombic phase and nearly spherical shape of the particles with an average diameter of 5-25 nm of g-C3N4/Bi2S3 composite were obtained from XRD an...

journal_title：Environmental technology

authors： Ayodhya D,Veerabhadram G

更新日期：2019-07-25 00:00:00

abstract：:The objective of this work is to evaluate biological groundwater treatment systems that will achieve hexavalent chromium removal from groundwater at hexavalent chromium (Cr(VI)) groundwater concentrations in the 0-200 μg/L range under anoxic conditions. The effect of type of organic substrate added as feed to the grou...

journal_title：Environmental technology

authors： Panousi E,Mamais D,Noutsopoulos C,Mpertoli K,Kantzavelou C,Nyktari E,Kavallari I,Nasioka M,Kaldis A

更新日期：2019-01-01 00:00:00

abstract：:The reuse of treated dyeing wastewater has become a viable option to minimizing water scarcity problems and environmental impacts in the textile industry. The potentiality of commercial flat sheet membranes of polytetrafluoroethylene (PTFE) and polypropylene (PP) in direct contact membrane distillation (DCMD) for dye ...

journal_title：Environmental technology

authors： Ramlow H,Machado RAF,Bierhalz ACK,Marangoni C

更新日期：2020-07-01 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 method of chemically bonding copper ferrocynide (CuFC) to the surface of a PVDF hollow-fibre membrane (PVDF-CuFC) was designed and the resulting PVDF-CuFC was applied to the effective removal of aqueous cesium (Cs). In order to chemically immobilize CuFC on the surface of the PVDF hollow-fibre membrane, carboxyl gro...

journal_title：Environmental technology

authors： Lee HK,Choi SJ

更新日期：2021-01-28 00:00:00

abstract：:Chlorine dioxide is one of the most widely employed chemicals in the disinfection process of a drinking water treatment plant (DWTP). The aim of this work was to evaluate the influence of the adsorption process with granular activated carbon (GAC) on the chlorine dioxide consumption in final oxidation/disinfection. A ...

journal_title：Environmental technology

authors： Sorlini S,Biasibetti M,Collivignarelli MC,Crotti BM

更新日期：2015-05-01 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 use of oxidoredutive enzymes in removing organic pollutants has been the subject of much research. The oxidation of phenolic compounds in the presence of chemical additives has been the focus of this study. In this investigation, the influence of the additives polyethylene glycol and Triton X-100 was evaluated in ...

journal_title：Environmental technology

authors： Torres JA,Chagas PM,Silva MC,Dos Santos CD,Corrêa AD

更新日期：2016-01-01 00:00:00

abstract：:Membrane performance is decreased by fouling, reducing permeate flux and membrane lifespan. This paper assesses ultrafiltration of a model textile effluent assisted by permanent magnetic field as an alternative to improve the water permeability recovery. Ultrafiltration was performed in a tangential module and model s...

journal_title：Environmental technology

authors： Carlesso F,Zin G,de Souza SM,Luccio MD,de Souza AA,Oliveira JV

更新日期：2016-01-01 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 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：:There is increasing pressure to upgrade effluent ponds for phosphorus removal. Active slag filters offer a solution, but design information is limited. Hydraulic retention time (HRT) is a key factor in filter design because it controls filter treatment efficiency as well the filter substrate lifespan. This paper repor...

journal_title：Environmental technology

authors： Shilton A,Chen L,Elemetri I,Pratt C,Pratt S

更新日期：2013-01-01 00:00:00

abstract：:Hexavalent chromium introduced to the water ecosystem is an important issue due to the toxic effect it poses. The first step of conventional treatment of wastewaters containing hexavalent chromium is its reduction to chromium (III) which is less toxic. The use of industrial waste material for the reduction of chromium...

journal_title：Environmental technology

authors： Altundogan HS,Ozer A,Tümen F

更新日期：2004-11-01 00:00:00

abstract：:A two-stage anaerobic digestion process operated under mesophilic and thermophilic conditions was investigated for the treatment of solid potato waste to determine optimal methane yield, efficiency of operation and process stability. A solid-bed reactor was used for hydrolysis/acidification stage while an upflow anaer...

journal_title：Environmental technology

authors： Parawira W,Murto M,Read JS,Mattiasson B

更新日期：2007-11-01 00:00:00

abstract：:Coating fertilizer particles with thin films is a possibility to control fertilizer release rates. It is observed that novel urea cross-linked starch-lignin composite thin films, prepared by solution casting, swell on coming into contact with water due to the increase in volume by water uptake by diffusion. The effect...

journal_title：Environmental technology

authors： Sarwono A,Man Z,Bustam MA,Subbarao D,Idris A,Muhammad N,Khan AS,Ullah Z

更新日期：2018-06-01 00:00:00