Organic micropollutants in sewage sludge: influence of thermal and ultrasound hydrolysis processes prior to anaerobic stabilization.

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：: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：:Problems have been found in the traditional post-positioned down-flow biological activated carbon filter (DBACF), such as microorganism leakage and low biodegradability. A pilot test was carried out to place a BACF between the sediment tank and the sand filter; a new technology of dual media up-flow aerated biological...

journal_title：Environmental technology

authors： Lu S,Liu J,Li S,Biney E

更新日期：2013-07-01 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：: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：:The disposal processes like dewatering and anaerobic digestion (AD) are commonly utilized to reduce the volume of sludge and recover energy. Thermal hydrolysis process is widely used as a pretreatment for sludge AD, which can change rheological properties and dehydration of sludge irreversibly. The experiment was desi...

journal_title：Environmental technology

authors： Cao X,Pan Y,Jiang K,Zhu K,Ren X

更新日期：2020-03-15 00:00:00

abstract：:This study was conducted to investigate the possible relationship between a molecular biological investigation and water quality parameters in monitoring groundwater pollution at the immediate boundary of uncontrolled landfills and their downgradient aquifers, which may consequently facilitate unbiased monitoring for ...

journal_title：Environmental technology

authors： Park HA,Han JS,Kim CG

更新日期：2008-07-01 00:00:00

abstract：:This study investigated the evolution of several main parameters during the composting of separately collected household bio-waste originating from urban settlements (U-bio-waste) and family houses (F-bio-waste) from four climate seasons. When comparing both types of composts, U-bio-waste compost contained a higher am...

journal_title：Environmental technology

authors： Hanc A,Ochecova P,Vasak F

更新日期：2017-07-01 00:00:00

abstract：:Red mud, an industrial by-product generated during the processing of bauxite ore, was investigated as an inexpensive and effective adsorbent for the adsorption of methylene blue from aqueous solution. Chemical and heat treatments were applied to the raw red mud. The effects of contact time, adsorbent amount, pH, tempe...

journal_title：Environmental technology

authors： Coruh S,Geyikçi F,Ergun ON

更新日期：2011-08-01 00:00:00

abstract：:An integrated OCO reactor with two side-ditch separators based on the anaerobic/anoxic/oxic (A2/O) process was developed for municipal wastewater treatment in this study. The effects of dissolved oxygen (DO) concentration, hydraulic retention time (HRT) and the ratio of chemical oxygen demand (COD) to total nitrogen (...

journal_title：Environmental technology

authors： Li D,Mao Y,Liu Z,Yin X,Lang C,Liu Y

更新日期：2014-09-01 00:00:00

abstract：:Coal gasification waste water treatment needed a sustainable and affordable plan to eliminate the organic contaminants in order to lower the potential environmental and human health risk. In this paper, a laboratory-scale anaerobic-aerobic intermittent system carried out 66 operational cycles together for the treatmen...

journal_title：Environmental technology

authors： Ji Q,Tabassum S,Yu G,Chu C,Zhang Z

更新日期：2015-01-01 00:00:00

abstract：:The aim of this paper was, on one hand, to study the treatment of raw tannery effluent by infiltration percolation system and, on the other hand, to determine the distribution and speciation of chromium in the used soil. The system pilot consisted of columns filled to 15 cm of gravel and 60 cm of soil (88% of sand). T...

journal_title：Environmental technology

authors： Tiglyene S,Jaouad A,Mandi L

更新日期：2008-06-01 00:00:00

abstract：:The doping of titanium dioxide (TiO2) with various metal or nonmetal elements has been considered as an effective strategy to extend the photoactive wavelength region to include visible light. In this paper, TiO2 nanoparticles co-doped with N and Fe were prepared via a sol-gel route, followed by a heat treatment at el...

journal_title：Environmental technology

authors： Fan JW,Liu JY,Hong J,Zhang J

更新日期：2009-12-01 00:00:00

abstract：:Permeable bioreactors have gained both research and management attention as viable methods for treating mine runoff waters. We examined the operation of a field-scale bioreactor (containing mixed compost, straw and gravel) for treatment of runoff from the Mother Load (ML) mine in northern Idaho, U.S. and compared it t...

journal_title：Environmental technology

authors： Christian D,Wong E,Crawford RL,Cheng IF,Hess TF

更新日期：2010-12-14 00:00:00

abstract：:Biosorption is an emerging technology for the removal of heavy metals from industrial wastewater by natural or modified biomass. In this study, we proposed a novel protocol for making full use of seaweeds. Brown seaweed Sargassum carpophyllum residue (SCR) and green seaweed Caulerpa lentillifera residue (CLR) were obt...

journal_title：Environmental technology

authors： Li R,Zhang T,Zhong H,Song W,Zhou Y,Yin X

更新日期：2020-03-02 00:00:00

abstract：:The mineralisation of remazol black B (RBB) was studied at concentrations ranging from 20-1000 mgL(-1). The work was aimed at investigating the Fenton-like peroxidation of RBB at a concentration typically obtained in Batik cottage industries. Other response parameters were degradation and colour removal efficiencies. ...

journal_title：Environmental technology

authors： Hasan DB,Abdul Aziz AR,Daud WM

更新日期：2012-06-01 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：:Morocco shelters lagoons, estuaries and bays along its paralic coasts which are among the most productive in the world. The Bay of Dakhla is the longest and the most important site in Morocco due to its halieutic richness. In fact, this bay is an ecosystem with great potential in terms of aquaculture, mainly shellfish...

journal_title：Environmental technology

authors： Zidane H,Orbi A,Mouradi A,Zidane F,Blais JF

更新日期：2008-09-01 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：:The increasing demand for methane production cannot be satisfied by the use of anaerobic digestion only from waste/wastewater treatment. Perennial energy crops, such as miscanthus and willow, as well as agricultural residues can be considered as options for increasing the methane production through biomass digestion, ...

journal_title：Environmental technology

authors： Jurado E,Gavala HN,Skiadas IV

更新日期：2013-07-01 00:00:00

abstract：:Separation of nanoscale oil droplets in the cutting-oil emulsion by electrocoagulation-flotation (ECF) was carried out in a bubble column reactor (BCR) and an external-loop airlift reactor (ALR). Under the batch operation, aluminium electrode provided the highest efficiency of 99% and required the shortest separating ...

journal_title：Environmental technology

authors： Chawaloesphonsiya N,Prommajun C,Wongwailikhit K,Painmanakul P

更新日期：2017-05-01 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：:In this work, the mechanism of the Cr(III) sorption by Salvinia auriculata biosorbent was studied in two stages. To understand the influence of the sorption parameters on the Cr(III) uptake, preliminary tests were performed. First, S. auriculata biomass was separately treated with base and acid solutions. Second, acid...

journal_title：Environmental technology

authors： Módenes AN,de Oliveira AP,Espinoza-Quiñones FR,Trigueros DEG,Kroumov AD,Borba CE,Hinterholz CL,Bergamasco R

更新日期：2017-06-01 00:00:00

abstract：:Inhalation of bioaerosols has been linked to many health problems. Filter media impregnated with antimicrobial material can provide effective removal and inactivation of bioaerosols. In this study, fibres were spun on a substrate by centrifugal spinning, obtaining filter media denoted 5THY and THY. Thyme essential oil...

journal_title：Environmental technology

authors： Salussoglia AIP,de Souza CWO,Tanabe EH,Lopes Aguiar M

更新日期：2020-06-30 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：:A hybrid liquid membrane process was used to remove cadmium cation from a solution using bis-(2-ethylhexyl) phosphoric acid as the carrier for the first time. Different polyethersulphone supporting membranes were prepared by a phase inversion technique. The prepared membrane could be efficiently used as the supporting...

journal_title：Environmental technology

authors： Garmsiri M,Mortaheb HR,Amini MH

更新日期：2015-01-01 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：: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：:The production of phosphoric acid from natural phosphate rock leads to an industrial waste called phosphogypsum (PG). About 5 tons of PG are generated per ton of phosphoric acid produced. This acidic waste (pH 2.2) is mostly disposed of by dumping into large stockpiles close to fertilizer production units, where they ...

journal_title：Environmental technology

authors： Ayadi A,Chorriba A,Fourati A,Gargouri-Bouzid R

更新日期：2015-05-01 00:00:00

abstract：:The measurement of sludge bioavailability and biodegradability is important to assess the sludge potential as a source of carbon and energy during its biological stabilization. As the majority of biological sludge (secondary sludge) consists of biomass, an increase in sludge bioavailability can be achieved by using di...

journal_title：Environmental technology

authors： Aquino SF,Chernicharo CA,Soares H,Takemoto SY,Vazoller RF

更新日期：2008-08-01 00:00:00