Gasification of algal biomass (Cladophora glomerata L.) with CO2/H2O/O2 in a circulating fluidized bed.

abstract：:In this study, rice husk ash-silica/graphene oxide (RHA-SiO2/GO) nanocomposites were synthesized by the in situ method using (3-aminopropyl) triethoxysilane as a coupling agent. The obtained products were used to remove lead ions (Pb2+) from aqueous solution. Effects of SiO2:GO mass ratio, contact time, pH and initial...

journal_title：Environmental technology

authors： Thy LTM,Hau DT,Lien LTK,Hung NDH,Tu TH,Nam HM,Hieu NH,Thanh Phong M

更新日期：2019-12-10 00:00:00

abstract：:The effect of the addition of trace elements on the conversion of a mixture of volatile fatty adds (Acetate, Propionate, Butyrate, in a ratio 3:1:1) by anaerobic granular sludge was investiated. Two Upflow Anaerobic Sludge Bed reactors (pH 7, ranging 30 degrees C) were operated for 140 days at an organic loading rate ...

journal_title：Environmental technology

authors： Osuna MB,Zandvoort MH,Iza JM,Lettinga G,Lens PN

更新日期：2003-05-01 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：:Hydrophobic volatile methyl siloxanes (VMS), such as hexamethyldisiloxane (L2) and octamethylcyclotetrasiloxane (D4), present a low solubility in water. An alternative treatment by absorption into hydrophobic absorbents was therefore studied. For this purpose, three different absorbents, motor oil, cutting oil and a w...

journal_title：Environmental technology

authors： Rojas Devia C,Subrenat A

更新日期：2013-11-01 00:00:00

abstract：:A lab-scale fluidized bed bioreactor with high-density polyethylene as biofilm carrier media was operated to study partial nitrification (PN) performance with high ammonia concentrations. The system was run at nitrogen loading rates (NLRs) from 1.2 to 4.8 kg N/(m3 d) with empty bed contact time of 2.0 and 2.7 h and fo...

journal_title：Environmental technology

authors： Wang H,Kim M,Li K,Shao Y,Zhu J,Nakhla G

更新日期：2019-01-01 00:00:00

abstract：:This study presents an evaluation of the environmental performance of an ice cream cup made of polyethylene (PE)/paper laminate using a life cycle assessment approach 'from cradle to grave'. Two opposite alternative disposal scenarios, as well as their intermediate combinations, were considered: 100% incineration and ...

journal_title：Environmental technology

authors： Buccino C,Ferrara C,Malvano C,De Feo G

更新日期：2019-02-01 00:00:00

abstract：:Fabrication of smart composites with expected removal property and excellent recycle performance for micro-pollutants including microbes and organic contaminants without formation of second-pollutants is highly desired. In this work, Ag nanoparticles (Ag NPs) homogenously loaded on graphene aerogel (GA) as Ag NPs/GA w...

journal_title：Environmental technology

authors： Zhang Y,Yang JE,Fu ML,Yuan B,Gupta K

更新日期：2019-11-01 00:00:00

abstract：:The photocatalytic degradation of p-coumaric acid, a biorecalcitrant phenolic compound typically found in olive processing and wine distillery waste waters, has been investigated in aqueous heterogeneous solutions containing semiconductor powders as photocatalysts. The disappearance of the organic molecule follows app...

journal_title：Environmental technology

authors： Poulios I,Kyriacou G

更新日期：2002-02-01 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：:Metal-organic frameworks (MOFs) have recently debuted as participants and solid supports in catalysts for environmental application in water treatment. Visible light active nanocomposites; ZnO/MIL-101(Fe); were synthesized via a hydrothermal method by loading ZnO; prepared by a green method; on a porous MIL-101(Fe) to...

journal_title：Environmental technology

authors： Amdeha E,Mohamed RS

更新日期：2019-08-11 00:00:00

abstract：:The aerobic granular systems are mainly sequencing batch reactors where the biomass is submitted to feast-famine regimes to promote its aggregation in the form of granules. In these systems, different cycle distributions can be applied for the simultaneous removal of organic matter, nitrogen and phosphorus. In this wo...

journal_title：Environmental technology

authors： Val del Río A,Morales N,Figueroa M,Mosquera-Corral A,Campos JL,Méndez R

更新日期：2013-05-01 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：: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：:Pseudomonas putida RW-II isolated from petroleum refinery wastewater was tested for hydrocarbon degradation potential in the presence of polycationic surfactant, cetyl trimethylammonium bromide (CTAB). The effects of CTAB on growth profile, cell surface hydrophobicity, cell adhesion, zeta potential and hydrocarbon bio...

journal_title：Environmental technology

authors： Yalçin E,Cavuşoğlu K,Ozen E

更新日期：2011-12-01 00:00:00

abstract：:In this paper, catalytic samples of 10, 20, 30, 40 and 50% (w/w) urea/activated carbon fibre (AFC), 10% urea--5% La2O3/ACF, 10% urea--10% La2O3/ACF, 10% urea--15% La2O3/ACF, 20% urea--5% La2O3/ACF, 20% urea--10% La2O3/ACF, and 20% urea-15% La2O3/ACF were prepared and used for removal of NO under the condition of: NO, ...

journal_title：Environmental technology

authors： Lu P,Zeng Z,Li C,Zeng G,Guo J,Jiang X,Zhai Y,Fan X

更新日期：2012-04-01 00:00:00

abstract：:The triazines are a group of herbicides with a wide range of uses. Atrazine is, in fact, one of the most used agricultural pesticides in the world. The terbuthylazine is applied as a substitute of atrazine in some countries of Europe since 2004, when the European Union announced a ban of atrazine because of ubiquitous...

journal_title：Environmental technology

authors： Pereira SV,Reis T,Souza BS,Dantas RF,Azevedo DA,Dezotti M,Sans C,Esplugas S

更新日期：2015-05-01 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：:The feasibility of reusing hand-washing grey water contaminated with antibacterial hand-washing liquid for irrigation purposes in an urban farm is explored in this case study. Experiments are carried out to investigate if the quality of this grey water allows for its reuse in agriculture as per the guidelines establis...

journal_title：Environmental technology

authors： Khan MZ,Sim YL,Lin YJ,Lai KM

更新日期：2013-01-01 00:00:00

abstract：:Bisphenol A (BPA) is a kind of a controversial endocrine disruptor, and is ubiquitous in environment. The degradation of BPA with the heterogeneous photo-Fenton system was demonstrated in this study. The Fe-Y molecular sieve catalyst was prepared with the ion exchange method, and it was characterized by X-ray radiatio...

journal_title：Environmental technology

authors： Jiang C,Xu Z,Guo Q,Zhuo Q

更新日期：2014-03-01 00:00:00

abstract：:Waste from textile industries can severely harm the environment. Dyes are the main residues of these effluents. Saccharomyces cerevisiae is already known to be an efficient adsorbent for the removal of dyes. However, the lack of applicability and limitation of the use of cell biomass in an industrial treatment makes i...

journal_title：Environmental technology

authors： Dilarri G,Corso CR

更新日期：2018-07-01 00:00:00

abstract：:This study investigated the effect of various intermittent aeration (IA) cycles on organics and nutrient removal, and microbial communities in an integrated fixed-film activated sludge (IFAS) reactor treating municipal waste water. Average effluent biological oxygen demand (BOD), chemical oxygen demand (COD), total su...

journal_title：Environmental technology

authors： Singh NK,Bhatia A,Kazmi AA

更新日期：2017-11-01 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：:Research was undertaken to investigate the treatment of fishery washing water using Bacillus sphaericus, and to recover the spores for subsequent use as bioinsecticide to control the population of mosquitoes. This treatment method could reduce pollution due to organic matter by decreasing the value of Chemical Oxygen ...

journal_title：Environmental technology

authors： Ariff AB,Rosfarizan M,Sobri MA,Karim MI

更新日期：2001-06-01 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：:The effect of initial total solids (TS) concentration on volatile fatty acid (VFAs) production from food waste under mesophilic conditions (35 °C) was determined. VFAs concentration and composition, biogas production, soluble chemical oxygen demand concentration, TS and volatile solids (VS) reduction, and ammonia nitr...

journal_title：Environmental technology

authors： Wang Q,Jiang J,Zhang Y,Li K

更新日期：2015-07-01 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：: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：:Surface transfer and bubble transfer both contribute significantly to oxygen transfer in a diffused aeration system. In the present study, liquid-film-forming apparatus is successfully developed on a laboratory scale to improve considerably the surface transfer via the unique liquid film transfer technique. The experi...

journal_title：Environmental technology

authors： Zhu H,Imai T,Tani K,Ukita M,Sekine M,Higuchi T,Zhang ZJ

更新日期：2007-05-01 00:00:00

abstract：:In the present investigation, the performance of a laboratory-scale plate and frame-type electrochemical ion-exchange (EIX) cell on removal ofhexavalent chromium from synthetic wastewater containing 5 mg/l of Cr(VI) was evaluated under varying applied voltages. Ruthenium dioxide-coated titanium plate (RuO2/Ti) was use...

journal_title：Environmental technology

authors： Dharnaik AS,Ghosh PK

更新日期：2014-09-01 00:00:00

abstract：:Phosphorus (P) recovery from waste water must become a predominant goal of all countries to face the limited resources of this essential nutrient. The induced crystallisation of calcium phosphates straight from the waste water phase applying tobermorite-rich calcium silicate hydrate compounds (CSH) from the constructi...

journal_title：Environmental technology

authors： Berg U,Knoll G,Kaschka E,Weidler PG,Nüesch R

更新日期：2007-02-01 00:00:00