Biological surface-active compounds from marine bacteria.

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：:Large volumes of saline (> 2% w/v NaCl) wastewaters are discharged from many industries; e.g. seafood processing, textile dyeing, oil and gas production, tanneries and drinking water treatment processes. Although anaerobic treatment would be the most cost-effective and sustainable technology for the treatment of many ...

journal_title：Environmental technology

authors： Xiao Y,Roberts DJ

更新日期：2010-07-01 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：:Recently a new group of ionic liquids (ILs) with herbicidal properties has been proposed for use in agriculture. Owing to the design of specific physicochemical properties, this group, referred to as herbicidal ionic liquids (HILs), allows for reducing herbicide field doses. Several ILs comprising phenoxy herbicides a...

journal_title：Environmental technology

authors： Pęziak-Kowalska D,Fourcade F,Niemczak M,Amrane A,Chrzanowski Ł,Lota G

更新日期：2017-05-01 00:00:00

abstract：:Uric acid (UA) is one of the principal effluents of urine wastewaters, widely used in agriculture as fertilizer, which is potentially dangerous and biorefractory. Hence, the degradation of UA (2,6,8-trihydroxy purine) in aqueous solution of pH 3.0 has been studied by conductive-diamond electrochemical oxidation. Hydro...

journal_title：Environmental technology

authors： Dbira S,Bensalah N,Bedoui A

更新日期：2016-12-01 00:00:00

abstract：:Recently, activated carbon was investigated as an efficient heterogeneous metal-free catalyst to directly activate peroxymonosulfate (PMS) for degradation of organic compounds. In this paper, the reuse performance and the possible deactivation reasons of granular-activated carbon (GAC) and activated carbon fiber (ACF)...

journal_title：Environmental technology

authors： Yang S,Li L,Xiao T,Zhang J,Shao X

更新日期：2017-03-01 00:00:00

abstract：:The goal of this research is to find a more effective treatment for tequila vinasses (TVs) with potential industrial application in order to comply with the Mexican environmental regulations. TVs are characterized by their high content of solids, high values of biochemical oxygen demand (BODs), chemical oxygen demand ...

journal_title：Environmental technology

authors： Retes-Pruneda JL,Davila-Vazquez G,Medina-Ramírez I,Chavez-Vela NA,Lozano-Alvarez JA,Alatriste-Mondragon F,Jauregui-Rincon J

更新日期：2014-08-01 00:00:00

abstract：:The effects of bore diameter and particle size of polyurethane (PU) foam on soil wastewater infiltration system as well as its anti-clogging mechanism were investigated in this study. Different types of PU were used to determine the effect of bore diameter and particle size on the chemical oxygen demand (COD) removal....

journal_title：Environmental technology

authors： Yuan H,Nie J,Gu L,Zhu N

更新日期：2016-12-01 00:00:00

abstract：:Incinerators do not achieve a complete mineralization of organic constituents of municipal solid waste. Bottom ash (main solid residue from incineration process) still contains a small quantity of carbon (1 to 5% in weight). This study is about characterisation of the carboned fraction (without carbonates) present in ...

journal_title：Environmental technology

authors： Quilici L,Praud-Tabaries A,Bottzeck O,Tiliacos N

更新日期：2003-08-01 00:00:00

abstract：:An anaerobic membrane bioreactor (MBR) was operated for 367 days to treat domestic wastewater originating from the Sfax wastewater treatment plant. The results showed that the MBR was not very efficient because of the considerable fluctuations in the domestic wastewater composition and the presence of toxic compounds ...

journal_title：Environmental technology

authors： Saddoud A,Abdelkafi S,Sayadi S

更新日期：2009-12-01 00:00:00

abstract：:The present work reports the results of a series of experimental tests performed on cylindrically shaped biological aerated filters (BAFs) to define a new model for reactors design. The nitrification performance was analysed by monitoring a laboratory pilot plant over a six-month period; the dependence of the nitrific...

journal_title：Environmental technology

authors： Siciliano A,De Rosa S

更新日期：2015-01-01 00:00:00

abstract：:This paper describes an application of aerobic respirometry to investigate the influence of humic matter (humate) on biological processes in dilution water and in municipal sewage. Standard product PolySeed, a consortium of bacteria considered to be representative of those found in an activated sludge, was used as a s...

journal_title：Environmental technology

authors： Lipczynska-Kochany E,Kochany J

更新日期：2008-06-01 00:00:00

abstract：:Dissolved organic matter (DOM) in soluble microbial products (SMP), loosely bound (LBEPS) and tightly bound extracellular polymeric substances (TBEPS) were extracted from wastewater sludge, fractionated by size exclusion chromatography and characterized by ultraviolet absorbance at 230, 254 and 280 nm, the dissolved o...

journal_title：Environmental technology

authors： Tsai BN,Chang CH,Lee DJ

更新日期：2008-10-01 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 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 China, municipal solid waste (MSW) is primarily treated by landfilling. Landfill gas (LFG) collection effectively reduces methane emission from MSW landfills. An accurate system of LFG collection is important in landfill planning, design, and operation. However, China has not developed such systems. In this study, ...

journal_title：Environmental technology

authors： Sun Y,Yue D,Li R,Yang T,Liu S

更新日期：2015-01-01 00:00:00

abstract：:Compost stability assessment within different particle size fractions was studied. Humic acids (HAs) were extracted from two kinds of co-composts prepared using evaporated olive mill wastewater (OMSW) or solid waste from olive oil extraction (OC) and poultry manure (PM). The elemental composition, Fourier-transform in...

journal_title：Environmental technology

authors： Masmoudi S,Jarboui R,El Feki H,Gea T,Medhioub K,Ammar E

更新日期：2013-03-01 00:00:00

abstract：:UV/persulfate (UV/PS) technologies have gained increased attention as efficient alternatives for removing pollutants from different classes, although processes based on the UVA-driven [Formula: see text] (PS) activation have not yet been discussed in the literature for the removal of the nonionic surfactant nonylpheno...

journal_title：Environmental technology

authors： Nunes RF,Tominaga FK,Borrely SI,Teixeira ACSC

更新日期：2020-07-04 00:00:00

abstract：:Carbon-coated TiO2 powders were prepared from the mixtures of anatase (ST-01) and carbon precursor poly(vinyl alcohol) in different ratios by carbonization at 900 degrees C in a flow of either Ar or N2. Carbon-coated TiQ2 thus prepared was either fixed on an adhesive tape or formed into a film by using the organic bin...

journal_title：Environmental technology

authors： Inagaki M,Nonaka M,Kojin F,Tsumura T,Toyoda M

更新日期：2006-05-01 00:00:00

abstract：:Heterogeneous electro-Fenton mineralization of Acid Red 18 (AR18) in aqueous solution was studied with magnetite Fe3O4 (MNPs) and haematite Fe2O3 (HNPs) nanoparticles as catalysts. High mineralization yields of AR18 were obtained with magnetite, 81% TOC removal after 180 min of electrolysis in 40 mg L-1 Fe3O4, pH 3.0,...

journal_title：Environmental technology

authors： Ben Hafaiedh N,Fourcade F,Bellakhal N,Amrane A

更新日期：2020-06-01 00:00:00

abstract：:The photocatalytic degradation of many chlorinated organic compounds by semiconductor particles, has been widely recognised as a promising method of water and wastewater treatment process. In the present work the photocatalytic transformation of 2,4-D and MCPA in aqueous solution with 2 g l(-1) suspended TiO2 is demon...

journal_title：Environmental technology

authors： Djebbar K,Zertal A,Sehili T

更新日期：2006-11-01 00:00:00

abstract：:Highway runoff is known to be an important non-point source (NPS), increasing the load of pollutants in receiving water. For reducing NPS pollutants in runoff, removal of road deposited sediment (RDS) by sweeping is considered effective. However, the contribution of sweeping to the improvement of runoff quality has no...

journal_title：Environmental technology

authors： Kim DG,Jeong K,Ko SO

更新日期：2014-09-01 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：:Experiments on the simultaneous removal of mercury (Hg0), sulphur dioxide (SO2) and nitric oxide (NO) from flue gas using sodium chlorite solution (NaClO2) were carried out in a bench-scale bubbling reactor. The effect of initial pH on Hg0 removal efficiency was investigated. The results show that the efficiency of Hg...

journal_title：Environmental technology

authors： Zhao Y,Ma X,Liu S,Yao J

更新日期：2009-03-01 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：:Liquid-state bioconversion (LSB) technique has great potential for application in bioremediation of sewage sludge. The purpose of this study is to determine the optimum level of LSB process of sewage sludge treatment by mixed fungal (Aspergillus niger and Penicillium corylophilum) inoculation in a pilot-scale bioreact...

journal_title：Environmental technology

authors： Rahman RA,Molla AH,Barghash HF,Fakhru'l-Razi A

更新日期：2016-01-01 00:00:00

abstract：:Phosphate (P) contamination in nutrient-laden wastewater is currently a major topic of discussion in the North American greenhouse industry. Precipitation of P as calcium phosphate minerals using hydrated lime could provide a simple, inexpensive method for retrieval. A combination of batch experiments and chemical equ...

journal_title：Environmental technology

authors： Dunets CS,Zheng Y

更新日期：2014-11-01 00:00:00

abstract：:This study developed the 2-step extraction method which eluted the Pb adsorbing on the surface of sediments in the first solution by aqua regia and extracted the Pb absorbed inside particles into the second solution by mixed acid of nitric acid, hydrofluoric acid and hydrogen peroxide solution. We applied the method t...

journal_title：Environmental technology

authors： Katahira K,Moriwaki H,Kamura K,Yamazaki H

更新日期：2019-11-01 00:00:00

abstract：:Water softening using the lime process leads to the production of large quantities of sludge. Determining the quantity of sludge produced and its dewatering properties is very important in the design, operation and cost of the subsequent sludge handling facilities. Presented are the results of a study on the partial s...

journal_title：Environmental technology

authors： Suthaker S,Smith DW,Stanley SJ

更新日期：1993-11-01 00:00:00

abstract：:Process intensification through the combined use of electrodialysis (ED) and ion-exchange resin (IER) hybrid process, called continuous electropermutation (CEP), was employed to remove Ni(II) cations from water. To carry out this process, Amberjet 1200 H cation-exchange resin was introduced into the feed compartment o...

journal_title：Environmental technology

authors： Gabli M,Smara A,Mecibah W,Djellabi R

更新日期：2020-06-01 00:00:00