Kalloum Slimane

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• Professor
• Professor at Ahmed Draia University

This research aims to promote bioethanol production for the first time from tomato waste (skins, pips and peels) generated by the "Fouggara" tomato canning factory in Réggane/Adrar, in South-West Algeria. The waste is thermally pre-treated, followed by chemical pre-treatment with sulphuric acid. This process is characterized by a drop in density fr...

This study is work focused on the geochemical characterization of spring waters in the Tinerkouk region. The suitability of water for drinking was assessed using its physicochemical parameters, which included pH, total dissolved solids (TDS), major and minor cations and anions, and electrical conductivity. These parameters were compared to Algerian...

The Adrar region (Algeria) has a total of 397,800 date palm trees (Phoenix dactylifera L.). Due to annual palm cleaning, large quantities of lignocellulosic biomass are produced. Depending on the variety, an average of 65 kg of biowaste is obtained per palm tree. Since the value of this biowaste is underrated, most of the palms are burned outdoors,...

This work is a comparative study of biogas production from two different lignocellulosic waste (camel waste and date palms waste (dry palms) from Adrar region) in order to compare their biochemical methane potential (BMP). Anaerobic digestion experiments (AD) are carried out in batch type digester at mesophilic conditions (37° C) during 70 days. Du...

In this study, the mesophilic anaerobic digestion improvement in semi continuous digesters of leaflets from Algerian date palms (Phoenix dactylifera L.) of the H'mira cultivars from Adrar region using an alkaline pretreatment was studied. The substrate was pretreated chemically with a solution of caustic soda (NaOH) at different concentrations (6%,...

The textile industry is among the primary causes of contaminated water, releasing harmful spills into the ecosystem. Because of their resistance to degradation in some cases, these spills pose considerable threats, not only to human health, but also to the equilibrium of ecosystems. This study aims to assess the viability of eliminating Congo Red (...

In recent years, biodiesel has become more attractive as an alternative fuel for diesel engines due to its environmental benefits and the fact that it is produced from under-exploited local renewable resources. This study uses a methyl transesterification reaction to assess the potential for bioconverting crude oils extracted from four Phoenix dact...

The lignocellulosic properties of date palm waste (dry palm) differ significantly from one cultivar to another, which affects the anaerobic digestion (AD) process. This study is believed to be amongst the first to evaluate the influence of date palm cultivars on the biomethane yield in order to offer an annual, continuous and cost-effective biogas...

Groundwater is the most important drinking water resource for arid areas. Studying the quality of these resources makes it possible to maintain and guarantee the use of these waters rationally and efficiently. The quantity and quality of water available for different uses have not been identified in these areas to date. This work aims to determine...

This paper aims to study the effect of stirring speed on biodiesel yield using an innovative oscillating reactor compared to the conventional stirring tank reactor. The efficiency of the invented reactor was compared with the conventional system, employing two catalysts (a homogeneous catalyst and a heterogeneous bio-catalyst). The obtained results...

Four cultivars of Phoenix dactylifera L. from south-west of Algeria are exploited for the first time in the production of biodiesel. Physicochemical characteristics and fatty acid composition of these oils have been determined. The biodiesel is obtained by using acid transesterification of oils extracted from seeds of the fourth cultivars. Analysis...

The date palm constitutes the main crop of agriculture in the Saharan regions and offers a wide range of agricultural by-products, while the increase of date palm by-products production leads to accumulation of waste with harmful effects on environment. The main objective of this study is to valorize the lignocellulosic material of date palm waste...

This paper examined both experimental and a new modelling test for biogas production based on Co-Digestion Ratio (CDR) of vegetable peel (VP) with cow dung (CD) without external inoculum. For this, vegetable peel was used as a substrate and cow dung was used as a co-substrate. Reactors in triplicate were prepared. The vegetable peel concentrations...

Biogas is one of the most attractive renewable resources due to its ability to convert waste into energy. Biogas is produced during an anaerobic digestion process from different organic waste resources with a combination of mainly CH4 (~50 mol/mol), CO2 (~15 mol/mol), and some trace gasses. The percentage of these trace gases is related to operatin...

Anaerobic digestion is a natural process of transforming organic matter into energy by methanogenic bacteria. This process is performed in the digesters in the absence of oxygen, they produce biogas composed mainly of methane (CH4) which is a combustible natural gas we can used in everyday life. In this work, we produced biogas using a continuous d...

This research assesses the impacts of hydrothermal (120 °C for 30 min), dilute acid (2%(w/w) H2SO4 at 120 °C for 30 min) and alkali (6% (w/w) NaOH at 35 °C for 24 h)pretreatments on the methane yield from date palm waste “Takarboucht” cultivar. The pretreated and untreated date palm waste (DPW) were digested at mesophilic temperature (36 °C) for 20...

This research assesses the impacts of hydrothermal (120 °C for 30 min), dilute acid (2%(w/w) H2SO4 at 120 °C for 30 min) and alkali (6% (w/w) NaOH at 35 °C for 24 h)pretreatments on the methane yield from date palm waste “Takarboucht” cultivar. The pretreated and untreated date palm waste (DPW) were digested at mesophilic temperature (36 °C) for 20...

The present work aims at improving the performance of a glass solar still using different new absorbers (enameled sheet metal, blackened sponge, blackened gravel, clay, charcoal and quicklime) as sensible heat storage systems under the desert climatic conditions of Adrar. Most of the solar stills studied up to now are made of sheet metal with a bla...

Les eaux polluées par les colorants présentent un grand risque pour l’environnement et l’humanité, Il existe plusieurs techniques et méthodes de traitement de ces eaux, parmi ces techniques « la filtration sur sable » elle a montré que le sable reste le milieu granulaire le plus couramment utilisée dans le traitement de certains colorants. Notre tr...

This article discusses the biochemical methane potential (BMP) test of the alkali pretreated “dry leaflets of Algerian date palm (Phoenix dactylifera L.) Hmira cultivar”. The anaerobic digestion (AD) experiments are performed in 4 digesters at 37 °C for 50 days. Digesters with one liter capacity for each one and a working volume of 600 mL are prepa...

In this work, the tomato canning waste from Adrar city-southwest of Algeria-are valued using anaerobic digestion (AD). The inoculum is used as an alkaline agent for pH adjustment. Six substrate to inoculum ratios of 0.25, 0.5, 1, 2, 3, and 4 are investigated under mesophilic conditions (37 ± 1 °C) for 45 days. The pH, chemical oxygen demand (COD),...

Palm tree waste is considered among the most widespread organic waste in nature and the least exploited in our days. In the Arabic region and the North of Africa, the date palm tree cultivation represents the lion’s share compared to the other trees. But the wastes will stay always represent a risk on the environment due to their limits uses. The c...

Solar distillation in arid area is an alternative to produce fresh water, especially with the availability of solar insolation and the brackish water or poor water quality. As the case of Timiaouine. In this study a solar still with cheap glace was fabricated and experimentally investigated under the climatic condition of Adrar city in the month of...

In order to optimize the organic loading rate and exploit it on a pilot scale, organic wastes from the slaughterhouse in the region of Adrar (Southwestern Algeria) were used for laboratory methane production by anaerobic digestion using a continuous digester with total and reaction volumes of 14 L and 12 L, respectively. Five different organic load...

Limited resources and increased water demand associated with fast socio-economic development and expansion in the irrigated land in southern Algeria have led to overexploitation of groundwater and caused a significant water table drawdown as well as groundwater quality degradation due to saline water intrusion. Solar distillation is an interesting...

Limited resources and increased water demand associated with fast socio-economic development and expansion in the irrigated land in southern Algeria have led to overexploitation of groundwater and caused a significant water table drawdown as well as groundwater quality degradation due to saline water intrusion. Solar distillation is an interesting...

This work aimed to study anaerobic digestion of a new substrate made from the waste of Algerian date palm (Phoenix dactylifera L.) in order to evaluate its biogas production capacity. The lignocellulosic component biodegradability and the process stability were also tested. Two reactors were launched with the same concentration of 20g total solid (...

In order to optimize the organic loading rate and exploit it on a pilot scale, organic wastes from the slaughterhouse in the region of Adrar (Southwestern Algeria) were used for laboratory methane production by anaerobic digestion using a continuous digester with total and reaction volumes of 14 L and 12 L, respectively. Five different organic load...

Cette étude présente une investigation théorique et expérimentale des paramètres de fonctionnement d’un distillateur solaire en utilisant des matériaux locaux et de bon marché comme le verre ordinaire et un absorbeur en polyéthylène. L’effet de certains paramètres météorologiques comme l’irradiation solaire et la temperature ambiante sur la product...

South of Algeria has these last years increasing water demand associated with rapid urban development and expansion in the irrigated land have led to over-exploitation of groundwater resources, consequently, it caused a degradation of the groundwater quality by increasing its salinity. In arid areas of Algeria with a shortage of pure water and endo...

In order to assess the physico-chemical quality of groundwater and to give an explanation for the phenomena which are at the origin of the excessive mineralization, In the region of Kenadsa and Galbelaouda (South-Western of Algeria), and to establish a mapping of water quality of the various aquifers of this region. Groundwater sampling campaign wa...

Household waste from the town of Adrar, in southwestern Algeria, has been valorized by anaerobic digestion into a continuous digester, with 12 L reaction volume, and five different hydraulic retention times(HRTs), namely 7, 14, 21, 28 and 35 days, with the same substrate concentration of 16 g / L of total solids (TS), and at the mesophilic temperat...

Water is one of the important sources for the survival of living species on the earth. As earth has only a limited number of water resources for drinking purposes, people in rural and urban areas are getting affected by consuming contaminated water that leads to water-borne diseases (Sathyamurthy et al. 2016). Groundwater is of great importance for...

Waste management and the energy supply are two major challenges that human have recorded for millennia. The technologies for recovery of energy from wastes can play a vital role in mitigating the problems. The biomass gasification is one of the principal technologies of heat treatments, which offer the possibility of producing renewable energy call...

The aim of this study is to produce biogas by anaerobic digestion from lagooning sludge of Adrar city. The sludge used was characterized and the results show that this sludge is rich in organic matter which makes it more suitable for anaerobic digestion. In this study, the evolution of some parameters such as pH, total alkalinity (TA) and the volum...

ABSTRACT: This is the first work aimed to study anaerobic digestion of a new substrate made from the waste of Algerian date palm (Phoenix dactylifera L.) in order to evaluate its biogas production capacity. The lignocellulosic component biodegradability and the process stability are also tested. Two reactors were launched with the same concentratio...

The urban stations of treatment have for role to eliminate the pollution contained in the domestic wastewater, before their dismissal in the nature. When wastewater is purified, the initial pollution is concentrated and stocked in the sludge descended of the various stages of treatment. This sludge can be consider like a recyclable waste and must b...

A continuous digester type was designed at the laboratory scale with an aim to studying and improving anaerobic digestion of organic wastes. The results obtained can be extrapolated at large scale pilot plant. To study the digester start-up we have chosen as a substrate the sludge issued from the wastewater treatment plant located in Adrar city (so...

Anaerobic digestion is a biological process of organic matter degradation by microbial flora. Natural process that occurs in the absence of oxygen, the "digestion" or "fermentation" is carried out in an aerobically and closed digesters were the fermentation reactions are optimized and controlled. Our job is to investigate the influence of nutrients...

Batch digestion experiments were conducted to determine the effects of inoculums/substrate ratio of three different ratios (ISRs) 0.3, 0.5 and 1. The substrate chosen in this study was slaughterhouse waste from Adrar city (south west of Algeria). The inoculation was made by sludge issued from wastewater treatment plant. During this study, several p...

Dans ce travail nous intéressons à l'amélioration du rendement de la production biogaz par l'utilisation de substrats facilement biodégradables. Le substrat choisi pour cette étude est constitué des déchets organiques riches en sucre et des aliments cuits riches en amidon issus de la résidence universitaire de l'université Africaine de la ville d'A...

In this work we are interested in improving the efficiency of biogas production through the use of readily biodegradable substrates. The substrate chosen for this study consists of organic waste, high in sugar and cooked foods rich in starch issued from African university campus in Adrar city. In this study we followed the evolution of the pH durin...

In this work we are interested in improving the efficiency of biogas production through the use of readily biodegradable substrates. The substrate chosen for this study consists of organic waste, high in sugar and cooked foods rich in starch issued from African university campus in Adrar city. In this study we followed the evolution of the pH durin...

Abstract In this work we are interested in improving the efficiency of biogas production through the use of readily biodegradable substrates. The substrate chosen for this study consists of organic waste, high in sugar and cooked foods rich in starch issued from African university campus in Adrar city. In this study we followed the evolution of the...

The urban stations of purification have for role to eliminate the pollution contained in the domestic wastewater, before their dismissal in the nature. If water, at the end of treatment, is purified, the initial pollution is stocked and concentrated in the sludge descended of the various stages of water treatment. These sludges being considered the...

The organic matter scrap comes primarily from food processing industries, (of the domestic activities, slaughter-house) and from urban waste water. This waste constitutes an environmental harmful effect to deal with for the durable protection of our environment. This organic matter valorization would be a judicious solution to mitigate their harmfu...

A continuous digester type was designed at the laboratory scale with an aim to studying and improving anaerobic digestion of organic wastes. The results obtained can be extrapolated at large scale pilot plant. To study the digester start-up we have chosen as a substrate the sludge issued from the wastewater treatment plant located in Adrar city (so...

La méthanisation est un procédé biologique de dégradation de la matière organique par une flore microbienne en absence d'oxygène. Cette digestion ou fermentation anaérobie est conduite dans des enceintes fermées qu'on appelle digesteurs, à l'intérieur desquels les différentes réactions sont optimisées et contrôlées afin de produire le biogaz. Notre...

This study deals with the treatment and valorization of sludge issued from the municipal waste water treatment plant of Adrar city (southwest of Algeria). The sludge considered was a complex mixture of substances, essentially organic matters with a rate of 54%. An acute biological activity of the crude substrate was noted (1.67 106 germs/1 ml). The...

In this paper we studied the start-up of an underground digester with a useful volume of 4 m³ in Saharan medium. 320 kg of waste taken from Adrar city slaughterhouses were treated during 60 days. During this study, we followed several parameters evolution such as: pH, volatile fatty acid (VFA), the temperature inside the digester, chemic...

The waste of organic matter comes primarily from the food industries, (of the domestic activities, slaughter-house...) and from urban waste water. This waste constitutes an environmental nuisance to take in charge for the durable safeguard of our environment. The valorisation of this organic matter would be a judicious solution to reduce their harm...