Farida El Yousfi

Farida El Yousfi
University of Granada | UGR · Department of Chemical Engineering

About

25
Publications
4,330
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989
Citations
Citations since 2017
4 Research Items
488 Citations
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
Introduction

Publications

Publications (25)
Article
Removal of industrial waste becomes increasingly critical for environmental protection. This study aims to search for effective and less expensive adsorbents in order to remove methylene blue (MB) commonly used in many industrial sectors. To this end, we experiment Helix aspersa snail shell as a biosorbent for the removal of MB. The raw snail shell...
Preprint
Full-text available
The quality of natural surface water depends on natural and anthropogenic constraints, as well as on the management and the economy of this water. These constraints are to be considered to improve or, quite simply, conserve water sources without degrading them. However, anthropogenic activity remains the main cause of the degradation of the quality...
Article
Full-text available
A physio-chemical characterization of olive oil mill wastewater (OMW) obtained from a continuous two-phases olive oil extraction process is presented. High organic load of OMW from Ben Karrich region has been registered. The values of chemical oxygen demand (COD) and total phenolic compounds were 84.5 g of O2/L and 3.79 g/L, respectively. In this s...
Article
Full-text available
p>In this work the green microalgae Scenedesmus obliquus was tested for his Fe<sup>3+</sup> removal ability in his living state. To avoid poisoning by heavy metals the green microalgae Scenedesmus obliquus used in the form of paste obtained after incubation for seven days in the treated wastewater and centrifugation. The findings showed that this...
Article
Full-text available
The present work aims to valorize the treated olive mill wastewaters obtained after adsorption onto activated carbon by using them as a culture medium for the growth of microalgae. For this purpose the Scenedesmus obliquus (CCAP 276/3A) was cultivated in cylindrical photobioreactors. Common experimental conditions were continuous light, aeration ra...
Article
The development of an automated kinetic-catalytic spectrophotometric method for cobalt determination is presented. The method is based on the catalytic effect of Co in the oxidation of hydroxybenzoic acid by H2O2 in basic media. The method has been automated using a multisyringe flow injection system coupled to a monolithic flow conduit called chip...
Article
Full-text available
In this work, a kinetic catalytic spectrophotometric method for sequential determination of iron and copper is presented. For this, a multipumping flow system (MPFS) has been coupled to a monolithic flow conductor (Chip-MPFS). The reaction is based on the catalytic effect of Cu(II) and Fe(III) on the hydroxylamine oxidation by dissolved oxygen in a...
Article
Full-text available
An automatic integrated system implementing a catalytic spectrophotometric method for vanadium determination is presented. Thus, a multisyringe flow injection system (MSFIA) was coupled to a monolithic flow microconduit, called chip (CHIP-MSFIA). All reagents and sample were simultaneously propelled into the chip to achieve complete mixing, heating...
Article
Full-text available
This work aims to prepare adsorbents based on low cost cattle bones. The bones have sustained a carbonization in inert atmosphere at two different temperatures 400°C and 600 °C in a traditional furnace, followed by activation by hydrochloric acid. The charcoals obtained were characterized by X-ray diffraction (EDX) and scanning electron microscopy...
Article
A highly sensitive voltammetric method was developed for the determination of nickel in seawater at nanomolar concentrations. The measurement is based on the differential pulse cathodic adsorptive stripping of Ni(II) complexed with pyridoxal salicyloylhydrazone at a hanging mercury drop electrode. Optimal conditions were found following a two-step...
Article
Urban wastewater from secondary treatment is rich in compounds of nitrogen, phosphorus, and other nutrients. The elimination of such compounds, in the few cases in which it is carried out, is achieved through tertiary treatment. The development of an alternative study is proposed on a tertiary treatment using the microalga Botryococcus braunii (A r...
Article
Urban wastewater proceeding from secondary treatment is rich in compounds of nitrogen, phosphorus, and other nutrients. The elimination of such compounds, in the few cases in which it is carried out, is achieved through tertiary treatment. The development of an alternative study is proposed on a tertiary treatment using the microalga Botryococcus b...
Article
In this paper, the results of monitoring of pollution originated by effluents of industries and urban sewage from Tangier (Morocco) are presented. Sediment and pore water samples from Mghogha River were collected at forty stations, characterized and several metals were analysed (Fe, Mn, Cu, Cd, Zn, Pb, Cr and Hg). The concentration of the metals in...
Article
In this paper, the assessment of pollution originated by effluents of industries and urban sewage from Tangier (Morocco) is presented. Sediment and pore water samples from Mghogha River were collected at forty stations, characterized and several metals were analysed (Fe, Mn, Cu, Cd, Zn, Pb, Cr and Hg). The metallic concentrations in labile sediment...
Article
The use of a permeation liquid membrane system for the preconcentration and separation of nickel in natural and sea waters and subsequent determination by atomic absorption spectroscopy is presented. 2-Hydroxybenzaldehyde N-ethylthiosemi-carbazone (2-HBET) in toluene is used as the active component of the liquid membrane. A study strategy based on...
Article
The removal of phosphorus and nitrogen by the freshwater alga Scenedesmus obliquus, cultured in urban wastewater, previously submitted to secondary sewage treatment, was studied under different conditions of stirring and temperature. In all cases, the amount of NH3 lost, as well as biomass productivity and its biochemical composition, were evaluate...
Article
A study has been made of the growth of the microalga Scenedesmus obliquus in a continuous photobioreactor operating as a chemostat. The influence of light intensity was analysed at different rates of dilution, under limited as well as saturating intensities of illumination. In order to achieve efficient removal of phosphorus (P) from the liquid med...
Article
The growth of the freshwater microalga Scenedesmus obliquus has been studied in a mineral medium with P concentrations of between 0 and 372 μM and temperatures of 20, 25, 30 and 35°C. At all the temperatures, growth was inhibited by the P. The inhibition by P was highly dependent on temperature, detected at concentrations on the order of 1 μM at 35...
Article
The growth of the freshwater microalga Scenedesmus obliquus was studied at 30 degrees C in a mineral culture medium with phosphorus concentrations of between 0 and 372 mu M. The values for the specific growth rates, between S-0=0 mu M and S-0=298 mu M, fitted a semistructured substrate-limitation model with mu(m1)=0.0466 h(-1), mu(m2)=0.0256 h(-1)...

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