The present study involved the preparation, characterization, and evaluation of layered double hydroxide (LDH) with assistance algae Spirulina platensis (NiAl-Sp ZnAl-Sp). These materials were investigated for their potential selective adsorption cationic dyes, including rhodamine B, malachite green, methylene blue. adsorbents exhibit a significant level selectivity in capacity to adsorb green comparison other dyes. next parameter was evaluated as Based on Langmuir isotherm model, calculated...

The preparation of CuAl LDH and biochar (BC) composite derived from rice husk its application as a low-cost adsorbent for enhanced adsorptive removal malachite green has been studied. was prepared by one-step coprecipitation method characterized X-ray Diffraction (XRD), Fourier Transform Infra Red (FTIR), Brunauer-Emmett-Teller (BET), Scanning Electron Microscopy - Energy Dispersive (SEM−EDX). result indicated that successfully incorporated with the evidenced broadening XRD peak at 2θ = 24°...

The abundant natural bentonite from Sarolangun deposit of Jambi Province, Indonesia, has been successfully activated by a wet acid activation method and applied as low-cost, environmental-friendly adsorbent for Congo red dye removal aqueous solution. samples were characterized powder X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), N2 adsorption-desorption, fluorescence (XRF). batch adsorption technique conducted to study the behavior on bentonite. effects operational...

To address environmental pollution, we developed Ni/Al layered double hydroxide-graphene oxide (Ni/Al-GO) adsorbent materials for the purpose of eliminating methylene blue (MB) dye pollutants. The adsorption process was explored by examining many experimental factors, including temperature, regeneration/reuse procedure, pH, and time, their effects on material. appropriate model isotherm is Langmuir isotherm. Ni/Al-GO material achieved a maximum capacity 61.35 mg/g MB at temperature 60 °C....

The preparation of metal oxide CaO from chicken eggshell has been carried out by decomposition at various temperatures 600, 700, 800, 900, and 1000 o C. was characterized using XRD. Furthermore, optimum temperature for determined based on the XRD pattern, then characterization extended FT-IR spectrophotometer BET analysis. results show that is 900 C with peak 2Ө 32.3 , 37.4 53.9 64.2 67.5 respectively. spectrums unique vibration Ca-O 393 cm -1 . analysis surface area 68 m 2 /g pore volume...

The preparation of MgAl Layer Double Hydroxide (LDH) was performed using the coprecipitation method. Pristine LDH calcined at 500°C to produce Oxide (LDO). two materials were modified via restacking-delaminating bioactive compounds from flower extract Clitoria ternatea (CT) LDH-CT and LDO-CT. Modifications are enhance stability catalyst structure, allowing its higher photocatalytic activities regeneration use. prepared catalysts characterized XRD, FT-IR, UV-DRS, BET, SEM-EDX. XRD diffraction...

Layered double hydroxide (LDH) Cu/Al and Cu/Cr had been used as adsorbent of malachite green (MG) in aqueous solution. The properties LDHs were analyzed by X-ray diffraction, surface area analysis (BET) FTIR spectroscopy. Adsorption study MG was achieved at pH 9. follows the pseudo-second-order kinetic model. Langmuir isotherm suitable for adsorption on both LDH with a maximum capacity 59.52 mg/g. thermodynamic indicated that process is physisorption, spontaneous, endothermic process. onto...

Preparation of calcium oxide from Achatina fulica shell has been carried out systematically by decomposition for 3 h at various temperatures i.e. 600, 700, 800 and 900 °C. Formation was characterized using XR diffractometer. The obtained with the optimum temperature FTIR spectroscopy to indicate functional group in oxide. results showed that XRD pattern materials 700 °C is similar standard Joint Committee on Powder Diffraction Standards (JCPDS). IR spectra appear wavenumber 362 cm-1 which...

In this research, NiAl-LDH was synthesized using the coprecipitation method and modified with biochar graphite to produce NiAl-biochar NiAl-graphite composite materials. The adsorbent that has been is used for application of adsorption Fe(II) ions in aqueous solution. resulting material characterized by XRD (X-ray Diffraction) analysis, spectrophotometer FT-IR, BET analysis determine specific surface area TG-DTA analysis. diffractogram showed NiAl-Biochar had diffraction pattern...

Mg-Al-layered double hydroxide (LDH) was fabricated using a coprecipitation method at pH 10. Thereafter, Mg-Al-LDH impregnated with biochar to manufacture Mg-Al/Biochar composite. The composite characterized powder X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, N2 adsorption—desorption, thermogravimetry-differential thermal analysis (TG-DTA), and scanning electron microscopy (SEM) experiments, subsequently used for malachite green (MG) adsorption. MG adsorption...

Water is one of the most basic human needs, and dyes are sources water pollution. Since adsorption has proven to be effective in removing contaminants, it widely used technique. In this adsorption, a LDH Zn-Al /magnetic biochar composite was for dye removal. LDH, magnetic biochar, Zn-Al/biochar were successfully synthesized, based on XRD FTIR studies. analysis material shows diffractions (003), (006), (101), (012), (015), (107), (110) around 2theta angle at 10.29°, 20.07°, 29.59°, 32.12°,...

Layered Double Hydroxide (LDH)-derived materials exhibited different characteristics from LDH precursors. The conversion of ZnAl into its derivative material has been carried out to find the best catalyst for TC degradation. (LDH)-based catalysts in this study have effectively synthesized using coprecipitation, calcination, and restacking procedures. Oxide (LDO) is derived calcination at 500°C. was also modified by adding Garcinia mangostana pericarp extract (GME). XRD, FT-IR, UV-DRS,...

This study aims to synthesize and characterize the H₃[α-PMo₁₂O₄₀].nH₂O-TiO₂ composite as a heterogeneous catalyst for cyclohexane oxidation using H₂O₂. FT-IR XRD characterization showed interaction between POM TiO₂, with an increase in TiO₂ ratio leading decrease crystallinity. Reaction optimization that POM-1.00TiO₂ gave highest conversion of 99.95% at 80°C, 2 hours reaction time, 3 mL H₂O₂ volume, 0.1 g mass. GC analysis confirmed formation cyclohexanol cyclohexanone, optimized conditions...

This community service program aims to develop nutraceutical-based health products from temu mangga (Curcuma Val.van Zip) and probiotics, called "TEMAPRO". Research socialization were conducted in Pulau Semambu Village, South Sumatra, targeting village mothers who have limited knowledge about the benefits of herbs probiotics. Temu mangga, which is traditionally consumed as a salad herbal medicine, contains various active compounds that potential antioxidants anti-cancer. Combined with...

Thermal decomposition of fish bones to obtain calcium oxide (CaO) was conducted at various temperatures 400, 500, 800, 900, 1000, and 1100 °C. The then characterized using X-ray diffractometer, FTIR spectrophotometer, SEM analysis. obtained from the 1000 °C used as a catalyst in production biodiesel waste cooking oil. Diffraction pattern produced showed similar that by Joint Committee on Powder Standard (JCDPS). diffractions 2q values were 32.2, 37.3, 53.8, 64.1, 67.3 deg. spectrum...

Adsorption of congo red on bentonite was studied kinetics and thermodynamically. Bentonite physically activated at various temperatures characterized using X-ray, infrared. By increasing thermal temperature activation up to 500 °C can decrease the montmorillonite fraction with decreasing peak observed. The kinetic adsorption suggests that interaction red-bentonite could be best represented by first-order Langmuir-Hinshelwood model. process exothermic ΔH in range -4.43 -9.76 kJ.mol−1...

The preparation of a copper aluminum/biochar composite and its application for the adsorption procion red dye was studied. materials were prepared by co-precipitation method characterised X-ray diffraction, Fourier-transform infrared spectroscopy, Brunauer-Emmett-Teller surface area analysis, scanning electron microscopy, thermogravimetry. results study show that on follows pseudo-second-order kinetics, isotherm conforms to Langmuir model. fitting result maximum quantity is 175.439 mg/g,...

Zn/Cr and layered double hydroxides (LDHs) intercalated with Keggin ion [α-SiW 12 O 40 ] 4-were successfully synthesized at room temperature pH value of 10.The materials were characterized by means the XRD, BET, FT-IR analyses used as an adsorbent iron(II).The adsorption process was investigated studying pH, kinetics, thermodynamic properties process.The results showed interlayer LDHs 7.53 Å increase to 10.26 on 4-.The BET analysis that pore volume both increased from 0.063 cm 3 g -1 0.163...

In the present study, composite layer double hydroxide-metal oxide (Ni/Al-TiO2 and Ni/Al-ZnO) was successfully prepared used as catalyst of oxidative desulfurization dibenzothiophene. Characterization XRD, FTIR, SEM-EDS. The structure Ni/Al-LDH, TiO2, ZnO in Ni/Al-TiO2 Ni/Al-ZnO consistent, which also indicated that preparation did not change form precursors. FTIR spectra absorption band at 3398, 1639, 1339, 832, 731, 682 cm−1. catalysts have an irregular structure, TiO2 adhere to surface...

Layered double hydroxide (LDH) is known as a layered material that can be used an adsorbent to remove pollutants from aqueous solutions. The use of not very effective due its structure which easily damaged so it cannot reused and small surface area results in adsorption capacity. This overcome by developing into composite material. Modification done using supporting materials the form humic acid hydrochar. In this study was applied removal Cr(VI) metal modification process successfully...

Studies of LDH materials to be applied as photocatalyst for dye pollutant degradation have been developed. These interesting efforts are inseparable from the investigation performance and competitive synthetic methods. Composites based on Zn/Al Mg/Al layered double hydroxides (LDHs) with ZnO TiO2 were prepared by coprecipitation-impregnation method following calcination at 300 °C forms Zn/Al-ZnO, Mg/Al-ZnO, Zn/Al-TiO2, Mg/Al-TiO2. characterized XRD, FTIR, SEM UV-DRS. Photodegradation...