Characteristics, quantity and thickening of sludge from a partial lime softening plant.

abstract：:Treatment of wastewater containing phenol using laboratory scale waste stabilisation ponds enriched with activated sludge was studied. After enrichment, the efficiency of these ponds under high phenol loading rates (i.e. up to 408 kg phenol ha(-1) day(-1)) was studied. At phenol loading rates of 6, 52, 312, 636 and 97...

journal_title：Environmental technology

authors： Avelar FJ,Martínez-Pereda P,Thalasso F,Rodríguez-Vázquez R,Alba J,Esparza-García FJ

更新日期：2003-04-01 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：:The present research work is aimed at providing an economically feasible solution for the farmers to exploit the mixed organic wastes (MOW) as resources for the generation of biogas based electrical power and utilize the same for irrigation purpose to reduce the dependence on electricity board. A full scale biomethana...

journal_title：Environmental technology

authors： Begum S,Ahuja S,Anupoju GR,Ahuja DK,Arelli V,Juntupally S

更新日期：2020-04-01 00:00:00

abstract：:To solve the unpleasant disposal of greywater in rural area and allow its collection for reuse in gardening, a slanted soil treatment system (SSTS) was designed and installed in two households. Granitic gravel of 1-9 mm size was used as the filter medium. The aim of this study was to design a SSTS and assess its suita...

journal_title：Environmental technology

authors： Maiga Y,Moyenga D,Nikiema BC,Ushijima K,Maiga AH,Funamizu N

更新日期：2014-11-01 00:00:00

abstract：:The acclimation of aerobic-activated sludge for degradation of benzene derivatives was investigated in batch experiments. Phenol, benzoic acid, toluene, aniline and chlorobenzene were concurrently added to five different bioreactors which contained the aerobic-activated sludge. After the acclimation process ended, the...

journal_title：Environmental technology

authors： Wang S,Yang Q,Bai Z,Wang S,Wang Y,Nowak KM

更新日期：2015-01-01 00:00:00

abstract：:The objective of this study was to evaluate the performance of an adsorbent, based on a solid residue arising from biodiesel production, for the removal of cationic dyes from wastewaters. The adsorbent was produced by microwave thermal activation. The Freundlich model provided the best fit for equilibrium data, indica...

journal_title：Environmental technology

authors： Nunes DL,Franca AS,Oliveira LS

更新日期：2011-07-01 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：:Pilot-scale moving bed biofilm reactor (MBBR) is used to investigate the kinetics and biofilm response of municipal, tertiary nitrification at 1°C. The research demonstrates that significant rates of tertiary MBBR nitrification are attainable and stable for extended periods of operation at 1°C, with a maximum removal ...

journal_title：Environmental technology

authors： Young B,Delatolla R,Ren B,Kennedy K,Laflamme E,Stintzi A

更新日期：2016-08-01 00:00:00

abstract：:The inhibition of undesirable nitrite oxidizing bacteria (NOB) and desirable ammonium oxidizing bacteria (AOB) by free ammonia (FA) and free nitrous acid (FNA) in partial nitritation (PN) is crucially affected by the biomass growth mode (suspended sludge, biofilm, encapsulation). But, the limitations of these modes to...

journal_title：Environmental technology

authors： Kouba V,Svehla P,Catrysse M,Prochazkova L,Radechovska H,Jenicek P,Bartacek J

更新日期：2019-02-01 00:00:00

abstract：:The role of carbonaceous sediment oxygen demand (CSOD) due to oxidation of sulfides reduced in oxygen dynamics in crude oil contaminated salt marshes was investigated through a mathematical model. An existing CSOD model was calibrated from laboratory data sets through nonlinear regression. The effect of oil and fertil...

journal_title：Environmental technology

authors： Shin WS,Pardue JH,Choi SJ

更新日期：2001-07-01 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：:The speciation of mercury in tropical coastal areas, although scarcely studied, has presented an odd behaviour when compared with the results obtained in temperate environments. In this work, we measured the concentrations of mercury species (mercuric mercury, methyl-mercury and dimethyl-mercury) in the sediments of S...

journal_title：Environmental technology

authors： Wasserman JC,Amouroux D,Wasserman MA,Donard OF

更新日期：2002-08-01 00:00:00

abstract：:The capacity of three inocula (sewer biofilm, mangrove and estuary sediment) to utilise typical fermentation products of municipal solid waste for biological sulfate reduction was investigated. Each inoculum was used in two reactors, one fed a mixture of volatile fatty acids and another fed glucose to provide a suite ...

journal_title：Environmental technology

authors： Patel M,Villa Gómez DK,Pikaar I,Clarke WP

更新日期：2020-06-22 00:00:00

abstract：:As classical traffic noise prediction models lack a deeper consideration of the impact of the gradient, the characteristics of longitudinal gradients from multiple roads were collected as data in the mountain city of Chongqing county, which was chosen as the entry point, to study the noise characteristics for a wide r...

journal_title：Environmental technology

authors： Chen L,Liu T,Tang B,Xiang H,Sheng Q

更新日期：2020-02-26 00:00:00

abstract：:Chemicals of emerging concern (CECs) are frequently used in cosmetic formulations and can potentially reach the environment at concentrations that may cause harm. A methodology was developed to assess over 120 chemicals assembled from product ingredient listings to identify and validate potential CECs in cosmetics, ba...

journal_title：Environmental technology

authors： Dhanirama D,Gronow J,Voulvoulis N

更新日期：2012-07-01 00:00:00

abstract：:Amino acids are at the origin of the formation of odourous compounds after chlorination treatment. Our objectives were to test the efficiency of a photocatalytic process to remove these types of compounds. Five amino acids (AA)-phenylalanine, tyrosine, tryptophan, glycine and alanine--have been chosen as model molecul...

journal_title：Environmental technology

authors： Elsellamia L,Pigeot-Rémy S,Dappozze F,Vocanson F,Houas A,Guillard C

更新日期：2010-12-01 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：: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：:The effect of the addition of trace elements on the conversion of a mixture of volatile fatty adds (Acetate, Propionate, Butyrate, in a ratio 3:1:1) by anaerobic granular sludge was investiated. Two Upflow Anaerobic Sludge Bed reactors (pH 7, ranging 30 degrees C) were operated for 140 days at an organic loading rate ...

journal_title：Environmental technology

authors： Osuna MB,Zandvoort MH,Iza JM,Lettinga G,Lens PN

更新日期：2003-05-01 00:00:00

abstract：:In this study, peracetic acid (PAA) activated by Fe(II) was proposed to remove diclofenac (DCF) in polluted water. It was found that Fe(II)/PAA system could effectively remove DCF at neutral condition, which has a significant advantage over classical Fenton process. According to the result of scavenging experiment, bo...

journal_title：Environmental technology

authors： Wang Z,Shi H,Wang S,Liu Y,Fu Y

更新日期：2020-04-30 00:00:00

abstract：:The photocatalytic degradation of p-coumaric acid, a biorecalcitrant phenolic compound typically found in olive processing and wine distillery waste waters, has been investigated in aqueous heterogeneous solutions containing semiconductor powders as photocatalysts. The disappearance of the organic molecule follows app...

journal_title：Environmental technology

authors： Poulios I,Kyriacou G

更新日期：2002-02-01 00:00:00

abstract：:Atrazine is an herbicide which is widely applied in sugarcane and corn crops. Its frequent use has resulted in environmental impacts, and its traces have been verified in surface and groundwater. Thus, it is necessary to remove this pollutant, and an alternative is the adsorption due to its universal nature, low-cost ...

journal_title：Environmental technology

authors： Cusioli LF,Bezerra CO,Quesada HB,Alves Baptista AT,Nishi L,Vieira MF,Bergamasco R

更新日期：2019-08-14 00:00:00

abstract：:Endocrine disrupting chemicals and non-steroidal anti-inflammatory drugs are two important groups of emerging pollutants due to their toxicological and chemical characteristics and their persistent detection in the aquatic environment. Wastewater treatment plants are a significant pathway for their transfer to the wat...

journal_title：Environmental technology

authors： Noutsopoulos C,Mamais D,Mpouras T,Kokkinidou D,Samaras V,Antoniou K,Gioldasi M

更新日期：2014-03-01 00:00:00

abstract：:Optimization of Acid Orange 7 (AO7) treatment using heterogeneous Fenton-like method in a recirculating fluidized-bed reactor (FBR) was investigated by using central composite design (CCD). Natural magnetite (NM) as Fenton-like catalyst was characterized using scanning electron microscopy. A nonlinear CCD model was ob...

journal_title：Environmental technology

authors： Aghdasinia H,Arehjani P,Vahid B,Khataee A

更新日期：2017-10-01 00:00:00

abstract：:The behavior of cyanobacteria and its potential use for biofuel production in scale-up conditions is a topic of growing importance. The aim of our work is to study the effects of illumination, stirring, and different growth phases on the cultivation of the cyanobacteria Spirulina platensis in 10 L raceways. The cultiv...

journal_title：Environmental technology

authors： Magro FG,Margarites AC,Reinehr CO,Gonçalves GC,Rodigheri G,Costa JAV,Colla LM

更新日期：2018-07-01 00:00:00

abstract：:The red microalga Porphyridium cruentum is exploited industrially for its exopolysaccharides (EPS) and pigments production. EPS produced by P. cruentum are partially released and dissolved into the surrounding environment, they can be recovered from the culture medium after removing the cells. This paper presents a pa...

journal_title：Environmental technology

authors： Zaouk L,Massé A,Bourseau P,Taha S,Rabiller-Baudry M,Jubeau S,Teychené B,Pruvost J,Jaouen P

更新日期：2020-04-01 00:00:00

abstract：:In this study, we investigated the application of sludge waste obtained from a coal mine drainage treatment facility that treats acid mine drainage (designated as AMD) from metal-mine water. The coal mine drainage sludge (designated as CMDS), which contained 70% goethite and 30% calcite, was utilized as a sorption mat...

journal_title：Environmental technology

authors： Cui M,Jang M,Cho SH,Khim J

更新日期：2010-10-01 00:00:00

abstract：:A mathematical model to simulate the biological processes occurring in a membrane bioreactor (MBR) is presented. The model accounts for different MBR technical features by introducing specific permeability parameters for the applied membrane system. The model considers for the heterotrophic storage process and the for...

journal_title：Environmental technology

authors： Tenore A,Vieira J,Frunzo L,Luongo V,Fabbricino M

更新日期：2020-06-01 00:00:00

abstract：:This study describes a method to formulate struvite fine powder into pellets that are easy to spread on agricultural land. To evaluate the quality of produced pellets, some chemical and physical properties commonly measured for fertilizers were tested. The findings indicated that the salt index and heavy metal content...

journal_title：Environmental technology

authors： Latifian M,Liu J,Mattiasson B

更新日期：2012-12-01 00:00:00

abstract：:For potential use in air treatment by biofiltration, a new material composed of vermicompost and earthworms (Eisenia fetida) was tested for the removal of a volatile organic compound (VOC), toluene. The removal rate of toluene was measured during batch experiments in presence of vermicompost only, earthworms only and ...

journal_title：Environmental technology

authors： Lusinier N,Couriol C,Cloirec PL

更新日期：2020-09-01 00:00:00