Derbal Kerroum

• Professor in Environmental Engineering
• Professor (Full) at National Polytechnic School of Constantine, Constantine, Algeria

This study investigated how the inoculum source and type of organic waste influence biogas production, removal of various pollutants, and chemical parameters under thermophilic conditions at 55 �C. The three inoculum sources evaluated were horse manure (HM), cattle manure (CM), and municipal sewage sludge. The study evaluated the biochemical methan...

Anaerobic digestion is a critical method for producing bioenergy from organic waste; however, its efficiency is highly influenced by several factors. This study aimed to enhance the AD process using the removed solid phase generated by the canning plant Amor Benamor (CAB) during the production of harissa. This research sought to identify the optimu...

This paper aims to explore both experimental and modeling anaerobic digestion (AD) processes as innovative methods for managing the substantial quantities of spent coffee grounds (SCG) generated in Algeria, transforming them into valuable renewable energy sources (biogas/methane). AD of SCG, while promising, is hindered by its complex lignocellulos...

Biohydrogen is produced by dark fermentation of organic waste, which is a simple, affordable, and quick bioconversion process and it is considered as a viable alternative energy source. The waste product or residue left over after fermentation procedures for bioethanol production from biomass is known as bioethanol industrial digestate BEID. This r...

This study evaluated the potential of using raw Maclura pomifera and wild carob for the treatment of methylene blue (MB) and crystal violet (CV) as part of the search for new, abundant, and cost-effective natural materials applicable for wastewater treatment. Additionally, it explored the impact of washing water temperature on the adsorption perfor...

Natural coagulants are emerging as effective alternatives to inorganic coagulants in wastewater treatment due to their high coagulation-flocculation activity, abundance, cost-effectiveness, and biodegradability. Despite their potential, research has largely been limited to laboratory-scale experiments, with few studies exploring pilot-scale applica...

Table of Contents, Issue 4, Volume 12, Journal of Renewable Materials

The aim of this research was to valorize waste (sludge) from a drinking water treatment plant as a coagulant in the removal of dyes (methylene blue and crystal violet) from water and to prevent environmental issues associated with sludge storage. To accomplish this purpose, the response surface methodology based on a central composite design with f...

This study investigated the potential of Pine cones (Pinus nigra) as a natural bio-coagulant for removing heavy metals such as iron, zinc, and copper from industrial wastewater. Pine cones powder (PCP) was characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM) to identify...

Citation: Khalfaoui, A.; Benalia, A.; Selama, Z.; Hammoud, A.; Derbal, K.; Panico, A.; Pizzi, A. Removal of Chromium (VI) from Water Using Orange peel as the Biosorbent: Experimental, Modeling, and Kinetic Studies on Adsorption Isotherms and Chemical Structure. Water 2024, 16, 742. https://doi.org/10.3390/ Abstract: The present work aims to assess...

The aim of this research is to study the ability of Cactus leaves to act as a biocoagulants for the removal of lead in water. Different solvents, such as distilled water, NaCl, NaOH, and HCl, were used as chemical activators to extract the active components from the Cactus. The Cactus was utilized as an organic coagulant in five different forms: (i...

Pine cones are a widely available and abundant natural resource in Algeria, and they are rich in active molecules. This study investigated the valorization of Pine cones as a natural and abundant bio-coagulant in raw form (powder) and extract form. The active components of the Pine cones were extracted using two solvents, distilled water (DW) and N...

Currently, the field of water treatment represents a very important area for researchers due to developing reliable processes for the recycling and reuse of water. Plant-based coagulants used in treatment processes are cost-effective and environmentally friendly. In this study, the use of bio-coagulants based on Aloe vera was proposed for the treat...

This work emphasizes the efficiency of the response surface design to optimize the parameters affecting the removal of a textile dye—Direct Red 81 (DR-81)—by biosorption on seafood waste, namely, cockleshells (CS). The adsorbent was characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), energy-dispersive X-ray spe...

Biohydrogen is considered an alternative energy reserve. Dark fermentation is one of the important green hydrogen production techniques that utilizes organic waste as raw material. It is a promising bioconversion, easy, not expensive, and cost-effective process. Milk processing wastewater (MPWW) is an organic effluent generated in large volumes on...

A massive use of nitrogen based fertilizers in agriculture is worldwide one of the main causes for nitrate contamination of groundwater. Methods for removing nitrate from aquatic environment through physical and/or chemical processes often turn out to be not applicable because of unaffordable financial resource as well as essential infrastructure l...

The present work sheds light on the potentiality of proteins extracted from oak (Quercus robur) leaves to treat both drinking water and industrial oily wastewater. The work was structured in three steps: firstly, oak leaves in powder form were analyzed by FTIR, XRD and SEM, thus showing the presence of proteins acting as bio-coagulants; secondly, a...

Industrial waters are discharges classified as hazardous because of their quantity, concentration or the physical and chemical properties of their constituents (turbidity, heavy metals, organic or phosphorus compounds) that threaten human health and the environment. Among the hazardous industrial waters, we distinguish industrial wastewater. These...

A drinking water treatment plant, intended for consumption, must produce, under all circumstances, water that meets the standards. While the raw water may have variable characteristics before treatment, to cope with these variations, the design of the installation can use several treatment processes such as coagulation flocculation, decantation, fi...

Biological pretreatment and enzymatic hydrolysis have a potential role in the economic production of sugars and fuels from starch biomass. In this study, the Inoculum/Substrate (I/S) ratio effect and enzymatic pretreatments of potato peels for the biohydrogen production in batch reactors were investigated. Two enzymes, α-Amylase and Cellulase, were...

The present work was successfully designed to prepare effective adsorbents from Moringa oleifera shells (PMOS) and chemically activated by zinc chloride (ZnCl2) and calcined at different temperatures as 200, 300, 400 and 500°C, for methyl red (MR) dye removal. Thereafter, the prepared materials were characterized using diverse analytical techniques...

The production of second-generation biohydrogen from organic waste by the dark fermentation process is a solution to reduce the immense volume of waste generated by the food industry. In this study, a coagulation sludge was recovered from the settling tank after treating cheese whey wastewater by natural coagulation/flocculation process. The sludge...

Currently, the dye industry is increasing its production as a consequence of the growing need for their products in different manufacturing sectors, such as textiles, plastics, food, paper, etc... Thereafter, these industries generate very large volumes of effluents contaminated by these dyes, which require proper removal treatment before final dis...

A large amount of orange peel waste (OPW) is yearly generated due to the high production of oranges all over the world. A high percentage of this waste is dumped every year without any proper treatment, thus causing environmental issues as a consequence of dispersion of biological degradation by-products (i.e. biogas and leachate) into the environm...

The revaluation and recycling of industrial wastes have great environmental benefits by decreasing wastes disposed to the ecosystem. Recently, bio-cosmetic industry has known huge success worldwide and eventually large amounts of wastes are produced. A bio-cosmetic industrial waste (BCIW) derived from Moringa oleifera seeds wasexperimentally evalua...

The purpose of this work is the study the ability of the plant material Aloe vera to act as natural coagulant using raw water obtained from a drinking water treatment plant (Mila, Algeria). Different solvents such as: NaCl; NaOH and HCl were used as chemical activators to extract the active components from the Aloe vera plant, and different coagula...

The purpose of this work is the study the ability of the plant material Aloe vera to act as natural coagulant using raw water obtained from a drinking water treatment plant (Mila, Algeria). Different solvents such as: NaCl; NaOH and HCl were used as chemical activators to extract the active components from the Aloe vera plant, and different coagula...

A pretreatment with H 2 O 2 was conducted to improve the performance of the anaerobic digestion (AD) process for a partial treatment of tannery wastewater (TWW). Four different H 2 O 2 dosages (0.5, 1, 2, and 4 g/L) were tested by adding to TWW different volumes of a 30% (m/v) H 2 O 2 solution in order to improve the biodegradability of TWW organic...

The coagulation-flocculation-sedimentation process is widely used for removal of suspended solids and water turbidity reduction. The most common coagulants used to conduct this process are aluminum sulfate and ferric sulfate. In this paper, the use of Aloe vera as a natural-based coagulant for drinking water treatment was tested. The bio-coagulant...

An enhanced and different method for the active coagulant agent extraction from Moringa Oleifera seeds powder (MOSP) was established and compared to the conventional extraction method in distillate water. In the improved method, MOSP were extracted using sodium chloride as solvent at different concentrations to extract more coagulant agent from Mor...

Studies were carried out on anaerobic digestion of tannery wastewater obtained from leather processing. Degassed activated sludge biomass collected from a wastewater treatment plant was used as source of microorganisms. The study was carried out to examine the impact of alkaline pretreatment on a real tannery wastewater prior anaerobic digestion pr...

Hydrogen as a clean energy source has a great attention worldwide due to decreasing fossil fuel reserves and rising environmental pollution. Although many types of wastewater have been tested as a cheap substrate in biohydrogen production, the bulgur processing industry wastewater which contains high organic matter has not yet evaluated. This study...

In this study, a wide range of inorganic and organic coagulants such as alum (Al2(SO4)3), iron(III) chloride (FeCl3), polyaluminium chloride (PAC), and processed Moringa Oleifera powder (PMOP) supported with membrane process were applied for wood processing wastewater treatment. Several parameters were investigated in the first stage of wastewater...

Orange peel waste is considered as an important feedstock for anaerobic digestion to generate bio-energy such as bio-hydrogen and bio-methane; however, its use as an energy source is still not important worldwide. Therefore, in the current study, the biochemical methane potential test was carried out to estimate the biogas production from orange pe...

In this study, the use of acorn leaves as a natural coagulant to reduce raw water turbidity and globally improve drinking water quality was investigated. The raw water was collected from a drinking water treatment plant located in Mila (Algeria) with an initial turbidity of 13.0 ± 0.1 NTU. To obtain acorn leaf powder as a coagulant, the acorn leave...

Abstract: Tanning factory is globally considered to be one of the most resource consuming and pollutants producing industries because it requires, for processing leather, large amounts of fresh water, chemical reagents, and energy, and in addition produces wastes, liquid as well solid, rich in organic matter and heavy metals (e.g., chromium). Such...

Anaerobic Digestion (AD) is often chosen as a suitable treatment for tannery wastewater (TWW) since this waste stream is rich in organic matter. Nevertheless, the high organic load and the presence of compounds commonly used in the leather production process and responsible for inhibiting the biological activity (e.g. chromium and sulphide) limit t...

The experimental study was conducted in order to evaluate the effects of thermal pre-treatment of secondary sludge on anaerobic digestion using as substrate a dairy discharge consisting primarily of whey (Numidia Constantine) made up mainly of lactoserum. The inoculums was subjected to heat treatment 120 °C, 160 °C, 180 °C for 2 hours, while consid...

This article presents the influence of temperature and influent substrate composition on the produced biogas volume in an anaerobic co‐digestion process. Four cases of anaerobic digestion were considered. Digestion of waste sludge only and anaerobic co‐digestion of sludge mixed with solid waste in mesophilic (T = 35 °C) and thermophilic (T = 55 °C)...

The present work is mainly concerned with the effect of calcinations of orange peel on its characteristics toward the adsorption of an industrial dye which is methylene blue. In fact the results showed an increase of the specific surface area from for 0.45 to 4.97m2/g for the solid material taken as crude for a calcination at a temperature up to 55...

This work focuses on the biodegradability of the organic pollution load of the dairy industry. The effects of various reports substrate/inoculums (S/I) are considered, respectively for (0), (0.2), (0.4), (0.8) and (1.6) in the thermophilic phase (55 °C). In addition, the monitoring of the variation of COD in all reactors is considered. The prelimin...

The experimental study was undertaken in order to evaluate the effects of the initial pH on the anaerobic digestion of dairy waste. The biodegradability tests were carried out in a series of reactor of 400ml of volume with four arrangements of the initial pH (pH= 4; 5.5; 7; and 9.5) in thermophilic phase (T = 55 °C). The dairy wastewater was the on...

The present study aimed at assessing the anaerobic digestion process efficiency on the organic fraction of municipal solids waste. Batch mesophilic and thermophilic biochemical methane potential (BMP) tests were carried out and the methane potential as well as the biodegradability of all substrates was determined. The experimental studies indicated...

Today there are a lot of dyes available commercially. They are used in many industries such as food, paper, carpet, rubber, plastics, cosmetics and textiles. Its can be classified as follows: anionic (direct, acid and reactive dyes), cationic (basic dyes) and non-ionic (dispersive dyes). Removal of a basic dye, methylene blue, from an aqueous solut...

The objective of this study was to examine the application of the Anaerobic Digestion Model No. 1 (ADM1) developed by the IWA task group for mathematical modelling of anaerobic process. A pilot scale anaerobic co-digestion process was considered and operated discontinuously. The digester was fed with co-substrate composed of organic fraction of mun...

ADM1 model of IWA is still applied to a pilot scale anaerobic digestion process for the treatment of the waste activated sludge originating from a municipal wastewater treatment plant. This operation is carried out in a digester of 500 L volume. It is operated at an average hydraulic retention time (HRT) of 20 days with an average organic loading r...

Anaerobic digestion model no. 1 model of international water association was applied to a full scale anaerobic co-digestion process for the treatment of the organic fraction of municipal solid wastes along with activated sludge wastes originating from a municipal wastewater treatment plant. This operation was carried out in a digester of 2000 m(3)...

These last years there is an increasing world request on energy biodegradable and organic waste, such as animals waste, agricultural waste, municipal organic waste, … etc., for the production of biogas. To satisfy these request, this research come in order to study and to estimate the biogas produced by the anaerobic co-digestion process of municip...