Sulfuric acid
View article: Structural and Catalytic Assessment of Clay-Spinel-TPA Nanocatalysts for Biodiesel Synthesis from Oleic Acid
Structural and Catalytic Assessment of Clay-Spinel-TPA Nanocatalysts for Biodiesel Synthesis from Oleic Acid Open
A series of clay–spinel nanocomposites reinforced by tungstophosphoric acid (TPA) were prepared and examined for the esterification of oleic acid. The type of spinel (ZnAl2O4 and CuAl2O4) and the weight ratio of clay-to-spinel were evaluat…
View article: Supplementary material to "Multiphase reactions of aromatic organosulfates with OH radicals: Kinetics, mechanisms, and environmental effects"
Supplementary material to "Multiphase reactions of aromatic organosulfates with OH radicals: Kinetics, mechanisms, and environmental effects" Open
View article: Synthesis, characterization, and performance of x_MoO <sub>3</sub> /Z‐22 and x_MoO <sub>3</sub> / <scp>MMP</scp> catalysts for biodiesel production
Synthesis, characterization, and performance of x_MoO <sub>3</sub> /Z‐22 and x_MoO <sub>3</sub> / <span>MMP</span> catalysts for biodiesel production Open
The growing global demand for renewable fuels has driven the search for efficient catalysts in biodiesel production. This study presents the synthesis and characterization of x_MoO 3 /Z‐22 and x_MoO 3 /MMP heterogeneous catalysts, and eval…
View article: Recovering Battery-Grade LiOH·H2O from Spent Lithium-Containing Sagger Crucible by Thermal Dehydration and BaSO4-Driven Double Decomposition
Recovering Battery-Grade LiOH·H2O from Spent Lithium-Containing Sagger Crucible by Thermal Dehydration and BaSO4-Driven Double Decomposition Open
This study develops and validates an integrated hydrometallurgical process to recover battery-grade lithium hydroxide monohydrate from spent aluminosilicate sagger crucibles. Lithium was first leached as Li2SO4 from the crucibles using sul…
View article: Effects of Calcination Time and Sulfonation on Silica Particles Synthesised Using the Stober and Sol–Gel Methods for Fuel Cell Applications
Effects of Calcination Time and Sulfonation on Silica Particles Synthesised Using the Stober and Sol–Gel Methods for Fuel Cell Applications Open
SiO2 is a versatile inorganic substance with a wide spectrum of applications in areas such as fuel cells. In this study, pristine (p-SiO2) and sulfonated silica (s-SiO2) particles were synthesised using the sol–gel and Stober methods. Furt…
View article: Effects of Organic Acid Catalysts on the Ethanol Organosolv Treatment of Wheat Bran to Produce Ferulate-Enriched Extracts
Effects of Organic Acid Catalysts on the Ethanol Organosolv Treatment of Wheat Bran to Produce Ferulate-Enriched Extracts Open
Wheat bran (WB) is a major wheat processing byproduct, and it is characterized by significant ferulic acid content and ferulate derivatives, which are biologically important polyphenols. These phytochemicals occur in WB in bound form, and …
View article: The Pretreatment of Refractory Gold Concentrate by using Mechanochemical Activation and Nitric Acid Oxidation Method
The Pretreatment of Refractory Gold Concentrate by using Mechanochemical Activation and Nitric Acid Oxidation Method Open
Hydrothermal oxidation pretreatment of refractory gold ores is an effective pretreatment of refractory gold ores, which has been widely used in recent years due to high rate of desulfurization, low environmental pollution and…
View article: The Pretreatment of Refractory Gold Concentrate by using Mechanochemical Activation and Nitric Acid Oxidation Method
The Pretreatment of Refractory Gold Concentrate by using Mechanochemical Activation and Nitric Acid Oxidation Method Open
Hydrothermal oxidation pretreatment of refractory gold ores is an effective pretreatment of refractory gold ores, which has been widely used in recent years due to high rate of desulfurization, low environmental pollution and high reaction…
View article: Grafting Bulrush with Acrylic Acid using Fenton’s Redox Initiator for the Removal of Methylene Blue Dye from an Aqueous Solution
Grafting Bulrush with Acrylic Acid using Fenton’s Redox Initiator for the Removal of Methylene Blue Dye from an Aqueous Solution Open
View article: Investigating the Effect of H₂SO₄ Catalyst Concentration on Percentage Yield in Fischer Esterification of Isoamyl Acetate
Investigating the Effect of H₂SO₄ Catalyst Concentration on Percentage Yield in Fischer Esterification of Isoamyl Acetate Open
This report investigates the effect of sulfuric acid catalyst concentration (0.5 M, 1.0 M, 1.5 M, 2.0 M) on the percentage yield of isoamyl acetate produced via Fischer esterification of isoamyl alcohol and acetic acid. The study examines …
View article: Effect of sulfuric acid corrosion on the shear behavior of recycled coarse aggregate concrete-soil interfaces: An experimental study
Effect of sulfuric acid corrosion on the shear behavior of recycled coarse aggregate concrete-soil interfaces: An experimental study Open
This study investigates the shear behavior of recycled coarse aggregate concrete–soil interfaces subjected to sulfuric acid corrosion, with the aim of facilitating the practical application of recycled coarse aggregate concrete piles in ch…
View article: Utilization of Waste Materials Using the Müller–Kühne Process—A Life Cycle Inventory Study
Utilization of Waste Materials Using the Müller–Kühne Process—A Life Cycle Inventory Study Open
The declining availability of sulfuric acid in Europe potentially creates a critical raw material gap. A possible solution to overcome this gap is the Müller–Kühne process (MKP), which converts gypsum waste into sulfuric acid and cement cl…
View article: Determination of sulfur in topical formulations by GC-MS
Determination of sulfur in topical formulations by GC-MS Open
View article: Synthesis of Aspirin
Synthesis of Aspirin Open
This research paper investigates the effect of different catalysts on the reaction rate during the synthesis of Aspirin (acetylsalicylic acid) from salicylic acid and acetic anhydride.Catalysts are substances known to increase reaction spe…
View article: Etching‐Expanded Anode: A Method to Improve the Reduction Efficiency of Vacuum Thermal Reduction of Spent Anode to Spent Ternary Cathode
Etching‐Expanded Anode: A Method to Improve the Reduction Efficiency of Vacuum Thermal Reduction of Spent Anode to Spent Ternary Cathode Open
Vacuum carbon thermal reduction has been widely studied for the recovery of ternary lithium batteries, and there are many choices for the type of carbon to be reduced in this method, such as expensive carbon nanotubes and inexpensive batte…
View article: Synthesis of Aspirin
Synthesis of Aspirin Open
This research paper investigates the effect of different catalysts on the reaction rate during the synthesis of Aspirin (acetylsalicylic acid) from salicylic acid and acetic anhydride.Catalysts are substances known to increase reaction spe…
View article: Compositional Analysis and Hydrothermal Pretreatment Optimization of Garri Processing Waste for Enhanced Sugar Recovery
Compositional Analysis and Hydrothermal Pretreatment Optimization of Garri Processing Waste for Enhanced Sugar Recovery Open
Garri processing, a dominant agro-industry in Nigeria, generates substantial waste streams whose valorisation is critical for environmental and economic sustainability. This study characterized the key waste components—cassava peels, starc…
View article: Effects of Lignin Fractionation on the Mechanical and Thermo-Oxidation Properties of SSBR/Silica Composites
Effects of Lignin Fractionation on the Mechanical and Thermo-Oxidation Properties of SSBR/Silica Composites Open
View article: Treatment of acidic gangue leaching wastewater by electrocoagulation combined with SRB
Treatment of acidic gangue leaching wastewater by electrocoagulation combined with SRB Open
Coal gangue, a solid waste from coal mining, contains sulfide minerals that oxidize with oxygen and water to produce sulfuric acid, leading to acidic leachate. This leachate, rich in acidic substances and heavy metals, contaminates water s…
View article: Environmental Risk Assessment of Liquid Aluminum Sulfate Water Treatment Agent Prepared from Waste Sulfuric Acid in the Integrated Circuit Industry
Environmental Risk Assessment of Liquid Aluminum Sulfate Water Treatment Agent Prepared from Waste Sulfuric Acid in the Integrated Circuit Industry Open
The comprehensive utilization of hazardous waste may introduce heavy metals, organic pollutants, etc., into products, resulting in secondary pollution. The environmental risk assessment method for hazardous waste resource utilization produ…
View article: The Potential of Transition Metal Doped Nickel Hydroxide for Electrochemical Ammonia Oxidation and Energy Applications
The Potential of Transition Metal Doped Nickel Hydroxide for Electrochemical Ammonia Oxidation and Energy Applications Open
View article: Solvent Extraction of Critical Minerals from the Leachate of High-Nickel Black Mass Using Nickel-Preloaded Extractants
Solvent Extraction of Critical Minerals from the Leachate of High-Nickel Black Mass Using Nickel-Preloaded Extractants Open
This study investigated the solvent extraction of a high-nickel-content metal solution using nickel-preloaded extractants. A synthetic high-nickel lithium-ion battery (LIB) black mass leachate was prepared to extract Cu, Al, and Mn using N…
View article: Edible oils as bio-plasticisers for sustainable additive manufacturing: comparative electrochemical performance and sensing of ascorbic acid in juices
Edible oils as bio-plasticisers for sustainable additive manufacturing: comparative electrochemical performance and sensing of ascorbic acid in juices Open
We report the production of five separate high-performance conductive filament, using different edible oils (coconut oil, olive oil, a vegetable oil blend, sunflower oil, and rapeseed oil) as bio-plasticising compounds alongside recycled P…
View article: Comparative Effects of Ferric and Ferrous Sulfate on the Leaching of Chalcopyrite
Comparative Effects of Ferric and Ferrous Sulfate on the Leaching of Chalcopyrite Open
View article: Hierarchically Porous Polyaniline Exhibiting Enhanced Pseudocapacitive Property from Copolymerization of Aniline and Tetrakis(4-aminophenyl)methane
Hierarchically Porous Polyaniline Exhibiting Enhanced Pseudocapacitive Property from Copolymerization of Aniline and Tetrakis(4-aminophenyl)methane Open
Hierarchically porous polyaniline (PANI) was synthesized by oxidative copolymerization of tetrakis(4-aminophenyl)methane (TA) and aniline. Mixing TA with ammonium persulfate (APS) followed by aniline addition generated both tetra-arm star-…
View article: Combined Process of Chlorination Roasting and Acid Leaching of Lead and Silver from Lead Cake
Combined Process of Chlorination Roasting and Acid Leaching of Lead and Silver from Lead Cake Open
This study investigates the feasibility of efficiently recovering lead and silver from a lead cake by applying a combined process of chlorination roasting followed by acid leaching. The lead cake is obtained after the sulfuric acid leachin…
View article: A Novel Biochar from Agro-Industrial Waste: Synthesis, Characterization, and Application for Acetylsalicylic Acid Removal
A Novel Biochar from Agro-Industrial Waste: Synthesis, Characterization, and Application for Acetylsalicylic Acid Removal Open
View article: Kinetics of L-Tryptophan Oxidation in Acidic Medium using TMGCC: A Comprehensive Study
Kinetics of L-Tryptophan Oxidation in Acidic Medium using TMGCC: A Comprehensive Study Open
Kinetics for the oxidation of L-tryptophan in a sulphuric acid medium by 1,1,3,3, -tetramethylguanidinium chlorochromate [TMGCC] has been investigated. The results of the experiment suggest that the intermediate complex formed between the …
View article: UTILIZATION OF SULFUR SLUDGE FROM SULFURIC ACID PRODUCTION IN SULFUR CONCRETE FOR BUILDING APPLICATIONS
UTILIZATION OF SULFUR SLUDGE FROM SULFURIC ACID PRODUCTION IN SULFUR CONCRETE FOR BUILDING APPLICATIONS Open
View article: About a Trillion Times More Acidic than Expected? On the Difference Between the Hammett <i>H</i> <sub>0</sub> and the Unified pH Acidity of Sulfuric Acid
About a Trillion Times More Acidic than Expected? On the Difference Between the Hammett <i>H</i> <sub>0</sub> and the Unified pH Acidity of Sulfuric Acid Open
We report on the considerable difference between the distinct pH and Hammett's H 0 acidity function in the entire H 2 O‐H 2 SO 4 mixing range. The Hammett acidity for 100 wt% H 2 SO 4 is accepted with H 0 = −11.9. We measured the pH acidit…