Effects of trace element addition on volatile fatty acid conversions in anaerobic granular sludge reactors.

abstract：:The effects of circulation reflux and micro-aeration on the performance of a modified anaerobic baffled reactor (ABR) for treatment of traditional Chinese medicine (TCM) wastewater were evaluated. The characteristics of anaerobic sludge and microbial community structure in the modified ABR were also investigated. The ...

journal_title：Environmental technology

authors： Su C,Deng Q,Lu Y,Pan J,Chen W,Chen S,Deng X,Lin X,Huang Z

更新日期：2020-11-01 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

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：:Landfill aeration can accelerate the biological degradation of organic waste and reduce methane production; however, it induces nitrous oxide (N2O), a potent greenhouse gas. Nitrification is one of the pathways of N2O generation as a by-product during aerobic condition. This study was initiated to demonstrate the feat...

journal_title：Environmental technology

authors： Nag M,Shimaoka T,Komiya T

更新日期：2016-11-01 00:00:00

abstract：:This study evaluated the effects of Al-coagulant sludge characteristics on the efficiency ofcoagulant recovery by acidification with H2SO4. Two sludge characteristics were studied: types of coagulant and textures of the suspended solid in raw water. The coagulant types are aluminium sulphate and polyaluminium chloride...

journal_title：Environmental technology

authors： Chen YJ,Wang WM,Wei MJ,Chen JL,He JL,Chiang KY,Wu CC

更新日期：2012-12-01 00:00:00

abstract：:Tightening quality standards for European waters has seen a move towards enhanced wastewater treatment technologies such as granulated organic carbon treatment and ozonation. Although these technologies are likely to be successful in degrading certain micro-organic contaminants, these may also destroy compounds which ...

journal_title：Environmental technology

authors： Constantino C,Gardner M,Comber SD,Scrimshaw MD,Ellor B

更新日期：2015-01-01 00:00:00

abstract：:Dry coastal communities increasingly need to consider non-traditional methods of augmenting their water supply. This study presents a preliminary economic comparison of three alternatives for increasing the water supply by 50% for a hypothetical baseline coastal scenario: increasing desalination (Scenario A), direct p...

journal_title：Environmental technology

authors： Teusner A,Blandin G,Le-Clech P

更新日期：2017-02-01 00:00:00

abstract：:A mathematical model modified from the well established Activated Sludge Model no. 1 was used for modelling a full-scale wastewater treatment plant (WWTP) in a bleached kraft pulp mill. Effluents from the pulp and paper industry are typically nutrient deficient, which was considered in the model. The wastewater charac...

journal_title：Environmental technology

authors： Keskitalo J,Jansen Jl,Leiviskä K

更新日期：2010-04-14 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：:Hospital wastewater contains a great variety of pharmaceutical compounds (PhCs), mainly due to excretion by patients. These PhCs, called emerging pollutants, are not fully eliminated in treatment plants, and are consequently detected in various environmental matrices, contributing to bacterial resistance and adverse e...

journal_title：Environmental technology

authors： Souza FS,Féris LA

更新日期：2017-09-01 00:00:00

abstract：:Traffic is the major air pollution source in most urban areas. Nowadays, most of the strategies carried out to improve urban air quality are focused on reducing traffic emissions. Nevertheless, acting locally on urban design can also reduce levels of air pollutants. In this paper, both strategies are studied in severa...

journal_title：Environmental technology

authors： Acero JA,Simon A,Padro A,Santa Coloma O

更新日期：2012-10-01 00:00:00

abstract：:Generally, studies on alternative adsorbents focus on adsorbent removal capacity, as a function of pollutant concentration, and other practical aspects, such as costs, environmental impact and end of life costs, that can affect the upscaling of adsorbents for real-life applications, are not explicitly considered. Ther...

journal_title：Environmental technology

authors： Ilyas A,Muthanna TM

更新日期：2017-03-01 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：:Ce/TiO2-SiO2 catalysts with different Ti/Si molar ratios are prepared by the incipient impregnation method and their NH3-SCR activities are evaluated at 100-500°C on a fixed reactor. The Ce/TiO2-SiO2 (3/1) catalyst, modified by non-thermal plasma (NTP) treatment and then activated by thermal treatment at 500°C for 4 h...

journal_title：Environmental technology

authors： Chen K,Chen R,Cang H,Mao A,Tang Z,Xu Q

更新日期：2018-07-01 00:00:00

abstract：:Over the past few decades, several technologies have been developed to recover phosphorus (P) as struvite from wastewater. Although these technologies have achieved reasonable P-removal efficiencies, these technologies are associated with several shortcomings such as high capital and operating costs, longer crystalliz...

journal_title：Environmental technology

authors： Ghosh S,Lobanov S,Lo VK

更新日期：2019-06-01 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：:An evaluation has been made of a dispersive liquid-liquid microextraction (DLLME) procedure for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in different environmental waters including seawaters and wastewaters, using gas-chromatography (GC) with flame-ionization detection (FID). The optimized metho...

journal_title：Environmental technology

authors： Ramos-Dorta CV,Pino V,Afonso AM

更新日期：2013-03-01 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：:In this work, it was developed three-dimensional (3D) porous hydrogel sponges produced by the freeze-dried process using chitosan polymer functionalized by 11-mercaptoundecanoic acid (MUA). These chitosan-based sponges were used as cationic adsorbents for the removal of anionic methyl orange (MO) dye, simulating a mod...

journal_title：Environmental technology

authors： Carvalho IC,Medeiros Borsagli FGL,Mansur AAP,Caldeira CL,Haas DJ,Lage AP,Ciminelli VST,Mansur HS

更新日期：2019-11-19 00:00:00

abstract：:In industrial activities, operation of air biofilters may be interrupted for a long period of time. In order to examine the effect of shut-down on the performance of biofilters, a pilot scale biofiltration unit was restarted up after a non-use duration of eight months. After a reacclimation period of eight days, the b...

journal_title：Environmental technology

authors： Elmrini H,Kerdouss F,Jorio H,Heitz M

更新日期：2001-08-01 00:00:00

abstract：:This study reports the comparative removal of an emerging contaminant diclofenac sodium (DCF) by UV-254 nm-based advanced oxidation processes (AOPs), i.e. UV/S2O82-/Fe2+, UV/HSO5-/Fe2+ and UV/H2O2/Fe2+ processes. The results demonstrated that by applying [DCF]0 = 0.30 mM and [H2O2]0 = [S2O82-]0 = [HSO5-]0 = 3 mM, kapp...

journal_title：Environmental technology

authors： Rehman F,Ahmad W,Sayed M

更新日期：2020-05-28 00:00:00

abstract：:The demand for uniformly sized and shaped produce that are aesthetically pleasing results in significant food waste throughout the world. Cucumber waste is a major agricultural waste product in a number of countries, especially areas with high pickle production. Opportunity exists for wastewater treatment plants conta...

journal_title：Environmental technology

authors： Lowe TB,Hatch BT,Antle C,Nartker S,Ammerman ML

更新日期：2020-10-01 00:00:00

abstract：:Heavy metal removal from sewage sludge ash can be performed by mixing the ash with environmentally compatible chlorides (e.g. CaCl2 or MgCl2) and water, pelletizing the mixture and treating the pellets in a rotary reactor at about 1000 degrees C. Thermogravimetry-mass spectroscopy, muffle oven tests (500-1150 degrees ...

journal_title：Environmental technology

authors： Nowak B,Wegerer H,Aschenbrenner P,Rechberger H,Winter F

更新日期：2012-10-01 00:00:00

abstract：:Normalizations by TSS or P-PO43- initial concentrations are consistent as they are correlated to the Jar-test performances. Jar-tests results are independent of the wastewater quality variations in terms of TSS and P-PO43- and independent of the WWTP origin of the water. A notable variability in the TSS results indica...

journal_title：Environmental technology

authors： Mailler R,Mèche P,Sauvignet P,Azimi S,Rocher V

更新日期：2020-06-01 00:00:00

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：:Pt nanoparticles/TiO2 catalysts were prepared and evaluated for UV-photocatalytic degradation ofphenol and 2-chlorophenol (2-CP) in synthetic wastewater solutions. The catalysts were synthesized by immobilizing colloidal Pt nanoparticles onto titanium dioxide (rutile TiO2). Analytical techniques, such as standard Brun...

journal_title：Environmental technology

authors： Barakat MA,Al-Hutailah RI,Qayyum E,Rashid J,Kuhn JN

更新日期：2014-01-01 00:00:00

abstract：:Mechanical properties of fiber-reinforced soil after soaking in heavy metal ion solution have great influences on safety and stability of the reinforcement, herein the mechanical properties of optimum moisture content of different concentrations of zinc ions contaminated soil were studied through shear test, compressi...

journal_title：Environmental technology

authors： Ma Q,Xiang JC,Yang YC,Xiao HL,Wan J

更新日期：2019-08-27 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：:Ozone and its reactants are the main factors of air pollution in cabin environment, their distribution and propagation were influenced by different air supply modes in the cabin. Based the B767 aircraft cabin mode, a computational fluid dynamics (CFD) model of aircraft cabin had been built to study the distribution of...

journal_title：Environmental technology

authors： Shi Z,Bai J,Han Y

更新日期：2020-10-01 00:00:00

abstract：:The goal of the current research was to critically examine the role of the shape and the size of contaminated particles for an accurate prediction of membrane fouling phenomenon. Polycarbonate flat membranes (PC) with uniform pore sizes of 0.05 and 0.1 µm, in addition to Polysulfone membranes (PS) with molecular weigh...

journal_title：Environmental technology

authors： Abdelrasoul A,Doan H,Lohi A,Cheng CH

更新日期：2018-01-01 00:00:00