Abstract:
:Lipase production by Staphylococcus xylosus and Rhizopus oryzae was investigated using a culture medium based on a mixture of synthetic medium and supernatants generated from tuna by-products and Ulva rigida biomass. The proportion of the three medium components was optimized using the simplex-centroid mixture design method (SCMD). Results indicated that the experimental data were in good agreement with predicted values, indicating that SCMD was a reliable method for determining the optimum mixture proportion of the growth medium. Maximal lipase activities of 12.5 and 23.5 IU/mL were obtained with a 50:50 (v:v) mixture of synthetic medium and tuna by-product supernatant for Staphylococcus xylosus and Rhizopus oryzae, respectively. The predicted responses from these mixture proportions were also validated experimentally.
journal_name
Environ Technoljournal_title
Environmental technologyauthors
Sellami M,Kedachi S,Frikha F,Miled N,Ben Rebah Fdoi
10.1080/09593330.2013.765920subject
Has Abstractpub_date
2013-07-01 00:00:00pages
2259-66issue
13-16eissn
0959-3330issn
1479-487Xjournal_volume
34pub_type
杂志文章abstract::Landfill leachates are considered to be complex effluents of a variable composition containing many biorecalcitrant and highly toxic compounds. Considering the shortage of studies concerning the treatment of landfill leachates using ozone, as well as its combination with catalysts, the aim of this paper was to identif...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2017.1405079
更新日期:2019-02-01 00:00:00
abstract::A highly sensitive and selective optical chemosensor (Arg-Rhoen) for determination of Au3+ was prepared by covalent immobilization of rhodamine ethylenediamine on agarose gel. Spectrophotometric studies of complex formation, chemical structures and purity of the hydrogel sensor were carried out using TGA, NMR, TEM, an...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2020.1850873
更新日期:2020-12-07 00:00:00
abstract::This manuscript describes the characterization of as-synthesized titanate nanotube (TNT) and its sorption behaviours on cadmium with the interactions of inorganic anions. The X-ray diffraction and transmission electron microscopy found that the nanotube is in sodium titanate crystal phase (Na2Ti3O7) and the pores of T...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2013.798035
更新日期:2013-11-01 00:00:00
abstract::A charge-coupled device camera was used for the optical monitoring of activated sludge flocs and filaments, and the image analysis results were compared with the effluent clarity at a full-scale activated sludge plant during a three-month period. The study included a maintenance stoppage at the wastewater treatment pl...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2013.875065
更新日期:2014-08-01 00:00:00
abstract::An anion exchanger from rice straw was used to remove Cr (VI) from synthetic wastewater and electroplating effluent. The exchanger was characterized using Fourier transform infrared (FTIR) spectrum and scanning electron microscopy (SEM), and it was found that the quaternary amino group and hydroxyl group are the main ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2012.679626
更新日期:2013-01-01 00:00:00
abstract::As a consequence of a growing share of solar and wind power, recent research on biogas production highlighted a need for demand-orientated, flexible gas production to provide grid services and enable a decentralized stabilization of the electricity infrastructure. Two-staged anaerobic digestion is particularly suitabl...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2017.1308439
更新日期:2018-03-01 00:00:00
abstract::A soil-column system was tested for the removal of soluble organics and nutrients from partially treated liquid swine manure. The liquid manure was applied to the 900 mm deep (300 mm of local topsoil and 600 mm of local subsoil) soil columns continuously for an eight-week period, and leachate as well as soil samples w...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618761
更新日期:2007-01-01 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
pub_type: 杂志文章
doi:10.1080/09593330.2011.633565
更新日期:2012-06-01 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
pub_type: 杂志文章
doi:10.1080/09593330.2020.1786167
更新日期:2020-06-30 00:00:00
abstract::Moringa oleifera extract is a high-capacity flocculant agent for turbidity removal in surface water treatment. A complete study of a pilot-plant installation has been carried out. Because of flocculent sedimentability of treated water, a residual turbidity occured in the pilot plant (around 30 NTU), which could not be...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330902831176
更新日期:2009-05-01 00:00:00
abstract::The application of air protection methods and technologies involves considerable investment and maintenance costs. Thus, to reduce overall expenditures an economic calculation of air pollution control, should be applied. This problem is connected in special way with areas of great population of inhabitants with spatia...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330409355438
更新日期:2004-01-01 00:00:00
abstract::Aminophenols (AP) are synthetic intermediates in pharmaceutical, photographic and chemical dye industry. They can be released into the environment from wastewater and can react during water treatment processes. Therefore, it was interesting to study the oxidation of AP with chlorine and monochloramine in aqueous solut...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2015.1025859
更新日期:2015-01-01 00:00:00
abstract::A response surface methodology (RSM) involving a central composite design was applied to the modelling and optimization of a preparation of Mn/active carbon nanocatalysts in NH3-SCR of NO at 250 degrees C and the results were compared with the artificial neural network (ANN) predicted values. The catalyst preparation ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2012.750381
更新日期:2013-05-01 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
pub_type: 杂志文章
doi:10.1080/09593330802180328
更新日期:2008-09-01 00:00:00
abstract::Constructed wetlands (CWs) are natural-friendly method to eliminate the pollutants stormwater pollutants. For this study, a pilot-scale treatment system consisting of a sedimentation tank (ST) and five recirculated fill-and-drain wetlands (namely CW-1, CW-2, CW-3, CW-4 and CW-5) were constructed to treat the first-flu...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2018.1543356
更新日期:2020-05-01 00:00:00
abstract::The removal of fluoride is essential for water contaminated with fluoride before being utilized since the unsafe concentration of fluoride with respect to the permissible limits. In the present study, there are 61 bacterial strains belonging to fluoride tolerance were isolated from the contaminated soil of Dharmapuri ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2018.1523951
更新日期:2020-04-01 00:00:00
abstract::Although highway runoff has historically been extensively studied, the increasing complexity of stormwater management means that there are still significant gaps regarding the reduction of soluble metals. The work reported in this paper addresses these challenges by analysing the presence and behaviour of iron, copper...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2020.1850874
更新日期:2020-12-04 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
pub_type: 杂志文章
doi:10.1080/09593330.2011.610360
更新日期:2012-06-01 00:00:00
abstract::Tambaqui (Colossoma macropomum) is among the most cultivated fish species in tropical countries. Stress is the main cause of disease in fish farms. The genus Aeromonas is a common causative agent of fish diseases. This work reports the identification of Aeromonas species colonizing gills of C. macropomum submitted or ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2016.1174313
更新日期:2016-12-01 00:00:00
abstract::Tertiary treatment of municipal wastewater by dissolved air flotation was studied on a pilot-scale. The effects of coagulant dose, flocculation pattern, dispersion water recycle ratio and hydraulic surface load on process performance were evaluated. The treatment of primary effluents by dissolved air flotation was inv...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330802009410
更新日期:2008-01-01 00:00:00
abstract::Traffic is the major air pollution source in most urban areas. Nowadays, most of the strategies carried out to improve urban air quality are focused on reducing traffic emissions. Nevertheless, acting locally on urban design can also reduce levels of air pollutants. In this paper, both strategies are studied in severa...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2012.672472
更新日期:2012-10-01 00:00:00
abstract::The separate treatment of sludge liquor, produced by dewatering anaerobic digested sludge at wastewater treatment plants, gives rise to extreme environments for nitrogen removal. A full-scale sequencing batch reactor was operated with the aim of introducing and studying denitritation as a supplement to nitritation in ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2010.515618
更新日期:2011-05-01 00:00:00
abstract::Electromagnetic induction (EMI) has been used to map soil properties such as salinity and water content. The objective of this research is to use EMI to map the potential distribution of nutrients around beef cattle pens and to relate this distribution to major physiographic field features. Beef cattle farms in differ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2011.559275
更新日期:2011-12-01 00:00:00
abstract::Combustion processes are known to produce organic micro-pollutants in the flue gas at concentrations ranging over several orders of magnitude. Some organic micro-pollutants are suspected of being pseudo-estrogens and as such they can affect the public health. In this study, the possible application of the yeast based ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618415
更新日期:2002-03-01 00:00:00
abstract::Contaminations by Staphylococcus aureus in food industry environments have been extended to industrial Effluent Treatment Plant (ETP). The methodologies used in ETP for bacterial removals and quality parameters adjustment commonly use products toxic to the environment, being mostly inefficient against virulent bacteri...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2020.1754923
更新日期:2020-04-24 00:00:00
abstract::Metals removal onto a low-cost natural polysaccharide is performed. Firstly, some specific characteristics of adsorbent are determined. Potentiometric titrations of the sorbent have been realised. The values of the point of zero net proton charge (pznpc) and the cation exchange capacity (CEC) deduced from these experi...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330409355455
更新日期:2004-02-01 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
pub_type: 杂志文章
doi:10.1080/09593330.2020.1838622
更新日期:2020-10-27 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
pub_type: 杂志文章
doi:10.1080/09593332208618309
更新日期:2001-01-01 00:00:00
abstract::ABSTRACT Glass recycling is a process that faces many obstacles, especially in the closed-loop context. Waste glass separation and transportation can become quite expensive, turning glass collection for remanufacture unfeasible. For this reason, it is important that alternative markets for waste glass are sought. This...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2020.1775711
更新日期:2020-06-18 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
pub_type: 杂志文章
doi:10.1080/09593330.2011.587025
更新日期:2012-02-01 00:00:00