Explore the effect of Fe3O4 nanoparticles (NPs) on anaerobic digestion of sludge.

abstract：:Activated carbon was prepared from soybean dregs using chemical activation by zinc chloride. The influence of activation parameters such as impregnation ratio, activation temperature and carbonization time was investigated. The physicochemical properties of activated carbon were characterized using SEM, FTIR, BET and ...

journal_title：Environmental technology

authors： Li Y,Li Y,Zang H,Chen L,Meng Z,Li H,Ci L,Du Q,Wang D,Wang C,Li H,Xia Y

更新日期：2020-06-01 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：:Poly(m-phenylenediamine) (PmPD) microparticles, from the monomer with two amino groups, were synthesized through chemical oxidation, and the strong adsorbability of mercury ions on to PmPD was systematically examined. The results revealed a rapid adsorption process with an equilibrium time of 30 minutes. Also, the ads...

journal_title：Environmental technology

authors： Tang R,Li Q,Ding L,Cui H,Zhai J

更新日期：2012-01-01 00:00:00

abstract：:About 25 hotels, restaurants and pubs in the rural community Heuvelland are situated in the area designated for individual water treatment. In order to meet the legislation by the end of 2015, each business needs to install an individual waste water treatment system (IWTS). To study this situation, three catering busi...

journal_title：Environmental technology

authors： Van Hulle SW,Ghyselbrecht N,Vermeiren TJ,Depuydt V,Boeckaert C

更新日期：2012-02-01 00:00:00

abstract：:A continuous tank reactor was used to remove 4-chlorophenol from aqueous solutions, using immobilized soybean peroxidase and hydrogen peroxide. The influence of operational variables (enzyme and substrate concentrations and spatial time) on the removal efficiency was studied. By using the kinetic law and the intrinsic...

journal_title：Environmental technology

authors： Murcia MD,Gómez M,Bastida J,Hidalgo AM,Montiel MC,Ortega S

更新日期：2014-08-01 00:00:00

abstract：:This paper presents the results of fungal treatment of a real industrial wastewater (WW), providing insight into the main mechanisms involved and clarifying some ambiguities and uncertainties in the previous reports. In this regard, the mycoremediation potentials of four strains of white rot fungi (WRF): Phanerochaete...

journal_title：Environmental technology

authors： Zahmatkesh M,Spanjers H,van Lier JB

更新日期：2017-11-01 00:00:00

abstract：:This study investigates the changes in biodegradability, rheology and metal concentration of wastewater sludge--non-hydrolyzed (raw), sterilized, and hydrolyzed (thermal alkaline pre-treatment) at total solids concentration from 10-50 g l(-1) to ascertain the bioavailability of nutrients for subsequent fermentation. T...

journal_title：Environmental technology

authors： Verma M,Brar SK,Riopel AR,Tyagi RD,Surampalli RY

更新日期：2007-03-01 00:00:00

abstract：:Partial nitrification of a high-strength ammonium wastewater (1150 +/- 150 mg N-NH4(+) L(-1)), mimicking reject water, was achieved in an activated sludge pilot plant with a configuration of three continuous reactors in series plus a settler. Stable and robust partial nitrification was maintained during 800 days of op...

journal_title：Environmental technology

authors： Torà JA,Lafuente J,Carrera J,Baeza JA

更新日期：2012-06-01 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：:Silver impregnated activated carbon (SIAC) can effectively remove iodide from water and sequester it in the form of AgI(s)). Given the extremely insoluble nature of AgI(s), the spent SIAC can be safely disposed of in land burial facilities. However, when the molar ratio of silver to iodide is greater than one, which i...

journal_title：Environmental technology

authors： Karanfil T,Moro EC,Serkiz SM

更新日期：2005-11-01 00:00:00

abstract：:Changes in the number and species diversity of cultivable microorganisms in a newly developed plate-type biofilter during filtration of various volatile pollutants were studied. The novelty of the investigation is the monitoring of microorganism succession in different parts of biofilter plates with original packing m...

journal_title：Environmental technology

authors： Repečkienė J,Švedienė J,Paškevičius A,Tekorienė R,Raudonienė V,Gudeliūnaitė E,Baltrėnas P,Misevičius A

更新日期：2015-03-01 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：:In this work, the reduction of the moisture content from waste oils by a bentonite-based adsorption process was investigated as an alternative for reuse in energy production. Waste cooking oil (WCO) and waste poultry fat (WPF) were characterised (moisture and viscosity, values of acidity, saponification, and peroxide)...

journal_title：Environmental technology

authors： Dotto J,Espinoza-Quiñones FR,Milinsk MC,Alves HJ

更新日期：2020-02-18 00:00:00

abstract：:Adsorption by carbon materials is one of the relatively fast methods in present research, which is widely used in emergency events. Activated carbon fiber (ACF) modified by nitric acid (N-ACF) was studied in this research to determine the adsorption performance for 2,4-dichlorophenoxyacetic acid (2,4-D). Subsequently,...

journal_title：Environmental technology

authors： Li Q,Sun J,Ren T,Guo L,Yang Z,Yang Q,Chen H

更新日期：2018-04-01 00:00:00

abstract：:The destabilization of a microbial population is sometimes hard to solve when different biological reactions are coupled in the same reactor as in sequencing batch reactors (SBRs). This paper will try to guide through practical experiences the recovery of simultaneous nitrogen and phosphorus removal in an SBR after in...

journal_title：Environmental technology

authors： Coma M,Puig S,Monclús H,Balaguer MD,Colprim J

更新日期：2010-03-01 00:00:00

abstract：:The discharge of raw wastewater into the environment can be a contamination source of Giardia spp. cysts and Cryptosporidium spp. oocysts. The UASB (Upflow Anaerobic Sludge Blanket) reactor is the most popular technology applied for wastewater treatment in Brazil, nevertheless there is little information concerning it...

journal_title：Environmental technology

authors： Valdez FQ,Leite LS,Zanetoni Filho JA,Tango MD,Daniel LA

更新日期：2021-01-07 00:00:00

abstract：:Total solids (TS) concentrations ranging from 15 to 66 g L(-1) of starch industry wastewater (SIW) were tested as raw material for the production of Bacillus thuringiensis var. kurstaki HD-1 (Btk) biopesticide in shake flasks and a 15 L bench-scale fermenter. Shake flask studies revealed a higher delta-endotoxin conce...

journal_title：Environmental technology

authors： Vu KD,Tyagi RD,Brar SK,Valéro JR,Surampalli RY

更新日期：2009-04-01 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

abstract：:The aim of this research was to apply a simple and quick method of size and shape characterization by TEM to diesel exhaust particles from large-capacity, high-performance trucks. Particulate matter (PM) samples were collected while the engines were idling. Investigation of this type of emission is essential because v...

journal_title：Environmental technology

authors： Sielicki P,Janik H,Guzman A,Namieśnik J

更新日期：2012-07-01 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：:Effluents from municipal wastewater treatment have been long recognized as suitable media for the cultivation of microalgae biomass. However, few studies report data concerning biomass productivity in continuous reactors using unsterilized wastewater effluents. This study focuses on indigenous microalgae strains that ...

journal_title：Environmental technology

authors： Pereira MV,Dassoler AF,Antunes PW,Gonçalves RF,Cassini ST

更新日期：2020-06-01 00:00:00

abstract：:In the present paper, the potential of the foamed emulsion bioreactor (FEBR), a novel biological reactor for air pollution control was evaluated. Experimental data obtained on a laboratory-scale prototype were used to scale-up the process for a hypothetical case consisting of a contaminated air flow rate of 10,000 m(3...

journal_title：Environmental technology

authors： Kan E,Deshusses MA

更新日期：2006-06-01 00:00:00

abstract：:Two different organophilic bentonites obtained by cationic exchange with benzyldimethyloctadecylammonium chloride and trimethyloctadecylammonium chloride have been used to adsorb the organic fraction of a tannery sludge. The exchange process was carried out to different extents to obtain bentonite samples with differe...

journal_title：Environmental technology

authors： Cioffi R,Costanzo S,Maffucci L,Santoro L

更新日期：2001-01-01 00:00:00

abstract：:Treatment of artificial wastewater containing a large amount of suspended solids comprised of soybean processing waste and pig fodder was studied using a novel multi-staged upflow anaerobic sludge blanket reactor. The reactor consisted of three compartments, each containing a gas solid separator. The wastewater had ch...

journal_title：Environmental technology

authors： Uemura S,Harada H,Ohashi A,Torimura S

更新日期：2005-12-01 00:00:00

abstract：:Extreme halophilic archaea are thriving and dominant populations within hypersaline environments. Because of the extreme properties of the enzymes of halophilic archaea and similar metabolic abilities to their bacterial counterparts, our interests focus on their potential biotechnological applications. In this study, ...

journal_title：Environmental technology

authors： Ding JY,Lai MC

更新日期：2010-07-01 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：:The unique properties of nanoparticles create broad opportunities as regards their application in almost all disciplines of science and technology. There are many reports about the negative influence of nanoproducts on the environment and humans. Therefore, it is of vital importance to explore the impact of metal nano...

journal_title：Environmental technology

authors： Dobrucka R,Szymanski M,Przekop R

更新日期：2020-03-16 00:00:00

abstract：:In this paper, a novel adsorbent which used polyvinyl alcohol, alginate and biochar was successfully made and been used to remove lead from aqueous solutions. Batch experiments were carried out to evaluate the adsorption capacities of Pb (II) on this bead. Experimental data were analysed by the model equations like La...

journal_title：Environmental technology

authors： Wan Z,Chen D,Pei H,Liu J,Liang S,Wang X,Wu H

更新日期：2019-07-17 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 pilot-scale study of tertiary wastewater treatment of the JIZHUANGZI Municipal Wastewater Treatment Plant was carried out by preozonation, coagulation and direct filtration process with the aim of producing wastewater suitable for reuse. The proposed treatment scheme could produce a filtered water with lower turbidi...

journal_title：Environmental technology

authors： Lu SG,Imai T,An DN,Ukita M

更新日期：2001-03-01 00:00:00