Preparation and characterization of a new hydrophilic and biocompatible magnetic polypropylene carrier used in wastewater treatment.

abstract：:Cu2O/hollow mesoporous silica (HMS) composite was synthesized using HMS as supporting material by the impregnation method. This composite displayed integrated physicochemical performance of Cu2O and HMS, resulting in low density, large surface area and excellent dispersibility. The synthesized nano-sized composite of ...

journal_title：Environmental technology

authors： Wang J,Xiao W,Teng H,Yin H,Chen X,Jiang X,Huo C,Teng M,Ma S,Al-Haimi AANM

更新日期：2020-07-01 00:00:00

abstract：:Phytoremediation is a cost-effective and eco-friendly process to remove heavy metals from water. A small-scale experiment was conducted to determine the phytoremediation efficiency of two macrophytes, i.e. Pistia stratiotes and Eichhornia crassipes for the removal of chromium and copper from the prepared metal solutio...

journal_title：Environmental technology

authors： Tabinda AB,Irfan R,Yasar A,Iqbal A,Mahmood A

更新日期：2020-05-01 00:00:00

abstract：:The multiple anoxic and aerobic (AO) process is an advanced biological nitrogen-removal process, and nitrous oxide (N2O) emission might affect its sustainable application. Nitrogen removal and N2O emission in a step-feeding multiple AO sequencing batch reactor (SBRS) was examined, in comparison with a one-feeding sequ...

journal_title：Environmental technology

authors： Sun Y,Wang H,Wu G,Guan Y

更新日期：2018-04-01 00:00:00

abstract：:Three kinds of titania/silica pellets were prepared using the sol-gel method with surface areas of 50.4 m2 g(-1), 421.1 m2 x g(-1) and 89.1 m2 x g(-1). An annular reactor was designed and built to determine the degradation efficiency of toluene and to investigate the relationship between the adsorption and desorption-...

journal_title：Environmental technology

authors： Luo Y,Zou L,Hu E

更新日期：2006-04-01 00:00:00

abstract：:The aim of the study was to determine the biogas productivity from selected cultivars of sorghum (Sorghum bicolor Moench) and maize (Zea mays L.) depending on the dose of mineral fertilization with nitrogen. The topic is novelty in the northern Poland area due to the fact that this crop is not very widespread here. Th...

journal_title：Environmental technology

authors： Kuglarz K,Bury M,Kasprzycka A,Lalak-Kańczugowska J

更新日期：2020-09-01 00:00:00

abstract：:To enhance the capture of low-level indoor CO2, a commercial zeolite (13X) was modified with alkali and alkaline earth metals using an ion-exchange method. Although the calcium-impregnated sorbent (zeo-Ca) showed the largest adsorption capacity, with a strong binding force for carbon dioxide, its regeneration by heat ...

journal_title：Environmental technology

authors： Lee KM,Lim YH,Jo YM

更新日期：2012-01-01 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：:The aim of this research was to develop an optimal reuse system applying various types of advanced oxidation processes such as titanium dioxide (TiO2), ozone (O3) and electro-coagulation/oxidation methods. This system is suitable for improving the treatment efficiency of difficult wastewaters, and for the efficient re...

journal_title：Environmental technology

authors： Chung H,Ku B,Gregory J

更新日期：2008-09-01 00:00:00

abstract：:The urban continuum, as it applies to sediments and associated contaminants, represents the area over/through which sediments are conveyed from a depositional or eroded surface to a treatment system and/or receiving water body. This study has focused on the changing physical characteristics of the sediment, with an em...

journal_title：Environmental technology

authors： Droppo IG,Irvine KN,Jaskot C

更新日期：2002-01-01 00:00:00

abstract：:The potential for phytoremediation of high concentrations of petroleum hydrocarbons is poorly understood. This study examines variations in phytoremediation performance for a soil contaminated with diesel at 6400 mg TPH kg-1 dry mixture. Experiments on diesel-contaminated soil were conducted in cups using 200 g of soi...

journal_title：Environmental technology

authors： Hou FS,Milke MW,Leung DW,MacPherson DJ

更新日期：2001-02-01 00:00:00

abstract：:The adsorption of copper ions on magnetic adsorbents with amino-functionalized polymers (DETA/SiO2/Fe3O4) has been investigated. In addition, the structure and characterization of magnetic nano-adsorbents were confirmed using FTIR, TGA, TEM, VSM, and BET. The results showed that DETA/SiO2/Fe3O4 exhibited a paramagneti...

journal_title：Environmental technology

authors： Chen HW,Chang SH

更新日期：2020-08-13 00:00:00

abstract：:This study presents the operation of a biotrickling filter when treating a monochlorobenzene (MCB) contaminated gaseous emission. Treatment dynamics were characterised by exposing the reactor to various MCB Organic Loads (OL). The use of different growth support materials, namely limestone, sand, ceramic and PVC pall-...

journal_title：Environmental technology

authors： Bastos FS,Rangel AO,Castro PM,Ferreira Jorge RM

更新日期：2003-12-01 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：:This study presents a comparison of denitrification rates and denitrification stoichiometry when using different sources of carbon. Denitrification tests were carried out in test bottles containing water and soil samples acquired at a nitrate-contaminated site and supplemented with either sucrose, acetate or ethanol. ...

journal_title：Environmental technology

authors： Lorrain MJ,Tartakovsky B,Peisajovich-Gilkstein A,Guioti SR

更新日期：2004-09-01 00:00:00

abstract：:It is the priority to guarantee biosafety for drinking water treatment. The objective of this study was to evaluate the impact of widely applied conventional and ozone-biological activated carbon (O3-BAC) advanced treatment technology on biosafety of drinking water. The items, including assimilable organic carbon (AOC...

journal_title：Environmental technology

authors： Liao X,Zou R,Chen C,Yuan B,Zhou Z,Zhang X

更新日期：2018-01-01 00:00:00

abstract：:Coal seam gas (CSG) is being touted as a transition fuel as the world moves towards low-carbon economies. However, the development of CSG reserves will generate enormous volumes of saline water. In this work, we investigate the potential of using this saline water to support mass algae production. Water and brine from...

journal_title：Environmental technology

authors： Buchanan JJ,Slater FR,Bai X,Pratt S

更新日期：2013-03-01 00:00:00

abstract：:This study investigated whether a combined application of hydroxyapatite and ferrihydrite could immobilize lead and antimony in shooting range soil in which the level of lead contamination is markedly higher than that of antimony. In addition, we evaluated the stability of lead and antimony immobilized by the combined...

journal_title：Environmental technology

authors： Ogawa S,Katoh M,Sato T

更新日期：2015-01-01 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：:The effects of pure oxygen aeration on organic pollutants removal performance and effluent soluble microbial products (SMP) characteristics of salt-tolerant sludge for the treatment of wastewater with the salinity from 1.0% to 3.5% were investigated. The results showed that the oxygen transfer efficiency of the pure o...

journal_title：Environmental technology

authors： Zhang HL,Hu YQ,Zhang Y,Qin DN,Wang H

更新日期：2020-10-27 00:00:00

abstract：:A horizontal flow multimedia stormwater filter was developed and tested for hydraulic efficiency and pollutant removal efficiency. Gravel, coconut (Cocos nucifera) fibre and sand were selected as the media and filled in 1:1:1 proportion. A fabric screen made up of woven sisal hemp was used to separate the media. The a...

journal_title：Environmental technology

authors： Samuel MP,Senthilvel S,Tamilmani D,Mathew AC

更新日期：2012-09-01 00:00:00

abstract：:Due to the strong electron-withdrawing nature of Cl atom in CCl4, CCl4 could not readily be degraded by oxidation process. In the present study, aqueous electron (eaq-), a powerful reducing agent generated in UV-Na2SO3 system, was applied to reductively degradation of CCl4. The effects of several crucial factors (e.g....

journal_title：Environmental technology

authors： Wang Z,Liu W,Chen H,Zhang Z,Yang Z,Yang Q

更新日期：2021-01-01 00:00:00

abstract：:The gene coding for xylose isomerase from the thermophilic bacterium Fervidobacterium gondwanense was cloned and overexpressed in Escherichia coli. The produced xylose isomerase (XylA), which closely resembles counterparts from Thermotoga maritima and T. neapolitana, was purified and characterized. It is optimally act...

journal_title：Environmental technology

authors： Kluskens LD,Zeilstra J,Geerling AC,de Vos WM,van der Oost J

更新日期：2010-09-01 00:00:00

abstract：:The nitrate removal rate of denitrifying granular sludge in an upflow sludge blanket reactor is very high and reaches up to 3.6 gNO3-N-gVSS-1 d-1 at a nitrate loading rate (NLR) of 32.0 gNO3-N L-1 d-1. However, the granular sludge exhibits flotation under high NLR conditions, where the granules become large in size (o...

journal_title：Environmental technology

authors： Wang F,Jin X,Yang S,Liu Y,Chen X

更新日期：2014-01-01 00:00:00

abstract：:When treating a composite mustard tuber wastewater with high concentrations of salt (about 20 g Cl(-) L(-1)) and organics (about 8000 mg L(-1) COD) by an anaerobic sequencing batch biofilm reactor (ASBBR) in winter, both high salinity and low temperature will inhibit the activity of anaerobic microorganisms and lead t...

journal_title：Environmental technology

authors： He Q,Kong XJ,Chai HX,Fan MY,Du J

更新日期：2012-07-01 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：:Sample pretreatment process is usually performed before real sample detection. Extraction is one of the most prevalent pretreatment methods. Due to the unequal solubility in two liquid phases, target is extracted (usually from water to organic phase) and further detected with laboratory instruments. Although the analy...

journal_title：Environmental technology

authors： Zhang D,Wang Y,Li C,Zhang X

更新日期：2019-10-29 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：:Ozonation of 2,4-dichlorophenol (DCP) in the presence of permanganate has been investigated at various levels of pH. Compared with only 40% in single ozonation, by catalytic ozonation the total organic carbon removal efficiency reached almost 95%. It has been shown that the addition of 0.5 mg L(-1) MnO4- (based on man...

journal_title：Environmental technology

authors： Xiao H,Xu Y,Yu M,Zhang Q

更新日期：2010-10-01 00:00:00

abstract：:This paper presents the effects of treatments with cement and lime on the consistency limits of marine sediments dredged from Dunkirk port. The Casagrande percussion test and the fall cone test were used to determine the liquid limits of raw sediments and treated marine sediments. For the evaluation of the plastic lim...

journal_title：Environmental technology

authors： Wang D,Zentar R,Abriak NE,Xu W

更新日期：2012-06-01 00:00:00

abstract：:The present work investigates the properties of self-made magnetic filler from plastic waste bottle and explores a new technology approach of waste plastic resource utilization. The magnetic filler was prepared by air plasma modification and loading magnetic ferrite on the plastic strip from waste plastic bottle. The ...

journal_title：Environmental technology

authors： Zhao RJ,Gong LY,Zhu HD,Liu Q,Xu LX,Lu L,Yang QZ

更新日期：2018-06-01 00:00:00