The volume of sludge is a growing problem worldwide due to the increase in population and industry agriculture. Therefore, management disposal are becoming problematic required more intensive creative efforts. objective this study was produce activated carbon using sewage as raw material. Preparation conditions based were optimized by applying Box-Behnken Design (BBD) response surface methodology (RSM). Optimization process investigated impact interaction between chemical activation ratio,...

Man-made organic waste leads to the rapid proliferation of pollution around globe. Effective bio-waste management can help reduce adverse effects while contributing circular economy at same time. The toxic oily-biological sludge generated from oil refineries’ wastewater treatment plants is a potential source for biogas energy recovery via anaerobic digestion. However, sludge’s carbon/nitrogen (C/N) ratio lower than ideal 20–30 required by digestion technology production. Sugarcane bagasse be...

This study investigated the potential use of sewage sludge-based activated carbon in removal copper (Cu) and cadmium (Cd) ions from aqueous solutions. The (AC) was prepared by chemical activation using potassium hydroxide KOH heating a tube furnace at 600 °C for 2 h. produced further subject to sulfurization process enhance its efficiency. used Box-Behnken Design (BBD) response surface methodology (RSM) optimize several parameters, including initial metal concentration, dose, pH, contact...

The growing need for Lithium (Li) chemicals industrial application demands finding affordable and environmentally friendly ways of producing them beyond conventional land mining. Adsorption is a promising technique Li recovery as it selectively extracts from aqueous resources at low cost with minimal energy requirements. use adsorption important promoting circular economy decreasing natural in the environment. Thus, this study aim to assess efficiency aluminum hydroxide (Al(OH)3) an...

A significant issue for the ecosystem is presence of boron in water resources, particularly produced water. Batch and dynamic experiments were used this research to extract form boric acid from aqueous solutions using selective resins, DIAION CRB05. DIAION™ CRB05 an adsorbent that effective extracting due its high binding capacity selectivity ions, it also regenerable, making cost-effective sustainable. Field Emission Scanning Electron Microscopy (FESEM), X-ray diffraction (XRD), FTIR...

In this study, Cobalt Oxide (Co₃O₄) cube-doped polyaniline (PANI) composites were successfully synthesized through an in-situ oxidative polymerization process, with the primary objective of effectively eliminating Methyl Orange (MO) from aqueous solutions. The model dye MO was employed to assess adsorption efficiencies both PANI homopolymer and Co3O4 composites. results unequivocally reveal that containing cubes exhibit significantly higher efficiency compared undoped PANI. kinetics adhere a...

Coagulation-flocculation constitute the backbone process in most water and wastewater treatment plants. This study focused on determining optimum coagulant dose for moringa oleifera seed extract, zeolite, ferric chloride, chitosan aluminium sulphate coagulants through coagulation, flocculation sedimentation process. It also ascertain which has potential higher removal of Cd, Cu, Fe, Mn, Pb Zn. The test was conducted with initial pH, settling time, aid dose, rapid mixing speed & slow time as...

Cadmium is one of the most hazardous metals in environment, even when present at very low concentrations. This study reports systematic development Kenaf fiber biochar as an adsorbent for removal cadmium (Cd) (II) ions from water. The was aided by optimization tool. Activated prepared using physicochemical activation method, consisting pre-impregnation with NaOH and nitrogen (N2) pyrolysis. influence preparation parameters—namely, chemical impregnation (NaOH: KF), pyrolysis temperature, time...

Batik industrial effluent wastewater (BIE) contains toxic dyes that, if directly channeled into receiving water bodies without proper treatment, could pollute the aquatic ecosystem and, detrimentally, affect health of people. This study is aimed at assessing adsorptive efficacy a novel low-cost sewage-sludge-based biochar (SSB), in removing color from batik (BIE). Sewage-sludge-based (SSB) was synthesized through two stages, first raw-material gathering and preparation. The second stage...

Attached-growth systems are biological wastewater treatment processes with biomass attached to a media for organic matter and nutrient removal from wastewater. In this regard, bioreactors containing biocarriers have been successful by far few limitations. The impact of bio-carrier materials type properties on is one important aspect that needs attention. Different synthetic utilized. However, study utilized waste palm oil clinker (POC) as biocarrier in sequencing batch reactor (SBR)...

To accurately simulate nanofluid flooding for enhanced oil recovery (EOR) in reservoirs, it is essential to consider the porous media's heterogeneity. This heterogeneity causes variations porosity and permeability, which require significant computational resources time ensure precise modeling. Additionally, previous models focus on impact of thermophysical properties using a single variable volume fraction. research proposed model evaluate effect (NF) heterogeneous medium. For first time,...

The conventional disposal practices of rice stalks (RS) such as burning in situ or incorporating the soil, contribute to climate change and endanger long-term soil fertility. This study investigated production activated carbon (AC) using a sustainable recycling solution. were carbonized tube furnace at 500 °C heating rate 10 °C/min for 2 h. stalks-based (RSA) properties analyzed based on Brunauer-Emmett-Teller (BET) technique measure surface area transform infrared spectroscopy (FTIR)...

To assess the feasibility of beverage industry wastewater (BIW) reuse, this study attempts to examine effectiveness a Hybrid Suspended Growth Bioreactor System (H-SGBS) for treatment BIW. The bioreactor comprises an anoxic, aerobic, aerobic digester chamber, and clarifier settle sludge. Response surface methodology (RSM) was utilised design experiment impact different operating variables. Hydraulic retention periods (HRT) 1–3 days were adopted H-SGBS with BIW concentrations 20–100%. results...

Boron is essential for plant growth and finds widespread use in industries, contributing to the advancement of materials technologies. Its dual role underscores its critical importance. This article explores efficient recovery boron from aqueous solutions through a batch study employing newly developed synthesized adsorbent. The successful synthesis (B Mg–Al-CLDH) was achieved purpose recovering (B) solutions. Moreover, it can be easily regenerated, cost-effectiveness sustainability. main...

Abstract. Treating lithium in aqueous solutions through adsorption is crucial due to the rising demand for batteries and renewable energy. This method offers a cost-effective efficient way capture ions. Effective treatment methods are essential mitigating these environmental risks. To address this concern, separation technologies like have been utilized remove from with minimal concentrations. study specifically investigates removal of residual synthesized solution using aluminum hydroxide...

Recovering boron from aqueous solutions presents a significant opportunity for enhancing sustainable resource management and reducing costs within the oil gas industry. This research focuses on evaluating newly synthesized adsorbents. Specifically, it investigates adsorption desorption in fixed bed columns of 25 cm length 2.5 diameter, utilizing depths at 2.5, 5, 7.5 10 cm. Four different flow rates (2, 4, 6, 8 mL/min) were used, all maintaining constant concentrations 85 mg/L, which...

Driving heavy vehicles with dangerous cargo involves various work environments that can significantly impact road safety. This research aims to study the of oil and gas tanker drivers’ environment on driving performance identify address any issues may affect their ability carry out jobs effectively. To achieve this, a quantitative approach was employed using questionnaire survey adapted from literature review. The data collected sample drivers oil- gas-heavy were analyzed structural equation...