scispace - formally typeset
Search or ask a question

Is catalytic converter is related to iron ore? 

Triplet state
Microreactor
Catalysis
Atmospheric pressure
Iron ore

Answers from top 10 papers

More filters
Papers (10)Insight
Open access•Journal Article
Catalytic pollution abatement using naturally local materials
T.Zaki, M. Riad, L. Saad, S. Mikhail 
01 Jan 2008-Chemical Technology: An Indian Journal
revealed that iron ore samples have high catalytic efficiency.
Journal Article•DOI
PCDD/F formation in an iron/potassium-catalyzed diesel particle filter.
Norbert V. Heeb, Markus Zennegg, Regula Haag, Adrian Wichser, Peter Schmid, Cornelia Seiler, Andrea Ulrich, Peter Honegger, Kerstin Zeyer, Lukas Emmenegger, Peter Bonsack, Yan Zimmerli, Jan Czerwinski, Markus Kasper, Andreas Mayer 
28 May 2013-Environmental Science & Technology
25 Citations
This may alter the catalytic properties of iron.
Book Chapter•DOI
Abiotic reactions of organics on clay mineral surfaces
U. Birkel, G. Gerold, J. Niemeyer 
01 Jan 2002-Developments in soil science
8 Citations
We conclude that iron in the mineral structure is partially responsible for the catalytic activity of clays.
Journal Article•DOI
Impact of chemical weathering on micro/macro-mechanical properties of oolithic iron ore
Dragan Grgic, Albert Giraud, Christophe Auvray 
01 Dec 2013-International Journal of Rock Mechanics and Mining Sciences
27 Citations
As iron ore is a reactive environment in an oxidizing atmosphere created by anthropic activity, this kind of weathering is triggered or activated by chemical processes, and differs from diagenetic evolution under reducing conditions.
Journal Article•DOI
Catalytic wet hydrogen peroxide oxidation of 4-chlorophenol over iron-exchanged clays.
Daniela Arsene, Cezar Catrinescu, Brandusa Dragoi, Carmen Teodosiu 
01 Jan 2010-Environmental Engineering and Management Journal
12 Citations
The leaching test indicates that the catalytic activity is mainly due to leached iron ions, at least in the second part of the process.
Journal Article•DOI
Theoretical study of two states reactivity of methane activation on iron atom and iron dimer
Qiao Sun, Zhen Li, Aijun Du, Jiuling Chen, Zhonghua Zhu, Sean C. Smith 
01 Jun 2012-Fuel
24 Citations
Overall, our results indicate that the iron dimer Fe2 has a stronger catalytic effect on the activation of methane than the iron atom.
Journal Article•DOI
Interaction between biomass ash and iron ore oxygen carrier during chemical looping combustion
Haiming Gu, Laihong Shen, Zhaoping Zhong, Yufei Zhou, Weidong Liu, Xin Niu, Huijun Ge, Shouxi Jiang, Lulu Wang 
01 Oct 2015-Chemical Engineering Journal
69 Citations
Cycle experiments indicate that the iron ore activated by CSA and RSA has a relatively stable reactivity promotion.
Journal Article•DOI
Role of iron catalyst in fate of fuel nitrogen during coal pyrolysis
Hiroshi Mori, Kenji Asami, Yasuo Ohtsuka 
18 Jul 1996-Energy & Fuels
89 Citations
The size of iron particles is smaller in brown coal chars, which appears to lead to a larger catalytic effect.
Open access
Catalytic Decomposition of Hydrazine on Iron Nitride Catalysts in Microreactor
M. Zheng, Xiaowei Chen, R. Cheng, X. Wang, N. Li, J. Sun, T. Zhang 
01 Oct 2004
64 Citations
The catalytic activity of iron nitride is apparently higher than those of iron oxide catalysts.
Journal Article•DOI
Geology and geochemistry of the Macheng Algoma-type banded iron-formation, North China Craton: Constraints on mineralization events and genesis of high-grade iron ores
Huaying Wu, Xianglong Niu, Lianchang Zhang, Franco Pirajno, Huabao Luo, Feng Qin, Minli Cui, Changle Wang, Min Qi 
01 Dec 2015-Journal of Asian Earth Sciences
14 Citations
The other is probably related to intensive migmatization which produced high-grade ores by altering the primary iron ores.

Related Questions

What are types of magnetic catalysts?5 answersMagnetic catalysts can be classified into various types based on their composition and applications. One type is magnetic solid catalysts, which include magnetic solid acid, alkali, enzyme, and acidic-basic bi-functional catalysts. Another type is Fe3O4-based magnetic materials, which are used as solid supports to load heterogeneous and immobilize homogeneous catalysts. Additionally, bare and hybrid magnetic nanoparticles (MNPs) are used as catalysts in various industrial applications, such as hydrogenation, oxidation, chiral catalysis, Suzuki-Miyaura reaction, photocatalysis, and enzyme catalysis. Magnetic catalysts can also be categorized based on the magnetic materials used, such as metals (Fe, Co, Ni), alloys (FePt, CoPt), iron oxides (FeO, Fe2O3, Fe3O4), and spinel ferrites (MFe2O4, where M = Co, Mn, Cu, Zn). Furthermore, magnetically responsive solid supports are used for the immobilization of metal nanoparticles, metal complexes, organic molecules, metal-organic frameworks, polymers, and enzymes.
How can iron oxide be used to generate hydrogen?3 answersIron oxide can be used to generate hydrogen through various processes. One method is thermochemical water-splitting using metal oxide redox reactions, where iron oxide is reduced to iron with a reducing agent and then regenerated with steam to produce pure hydrogen. Another approach is the use of iron oxide as an oxygen carrier material (OCM) in chemical looping for hydrogen production. Iron oxide acts as a catalyst in the reaction of chlorine and oxygen with hydrogen to remove hydrogen from tail chlorine at low temperatures. Additionally, composite OCMs made of iron oxide clusters embedded in a perovskite matrix have been proposed for hydrogen production. The perovskite matrix facilitates oxygen transport to the iron oxide clusters, enhancing hydrogen production stability. These methods demonstrate the potential of iron oxide in generating hydrogen for various applications.
Does the Mercedes CLA diesel engine have a catalytic converter?10 answers
How to calculate the catalytic converter worth based on online price of platinum in USD?10 answers
Is catalytic converter becoming successful amongst acid rain?10 answers
What is the catalytic convertor for cr4 engine?10 answers

See what other people are reading

Electrondensity of Indole?
5 answers
The electron density of indole, a planar molecule with 10 electrons, has been extensively studied in various contexts. Research has shown that the electron density on the nitrogen atom decreases upon excitation to the lowest singlet and triplet states. Additionally, valence and core-level photoelectron spectra analysis of indole and its derivatives have provided insights into the electronic structure of substituted indoles compared to the parent compound. Furthermore, the invariom formalism has been utilized to generate electron density distributions for indole and oxindole bioactive molecules, allowing for a detailed examination of bond orders, charge separations, and intermolecular interactions. These studies collectively contribute to a comprehensive understanding of the electron density distribution in indole and its implications in various chemical and biological processes.How impactful is ozonation in treating wastewater for agricultural use?
5 answers
Ozonation shows significant promise in treating wastewater for agricultural use. Studies have highlighted its effectiveness in removing persistent organic compounds, enhancing the sanitary and agricultural viability of treated effluents, and improving disinfection efficiency for epidemic animal diseases. Furthermore, catalytic ozonation, particularly heterogeneous catalytic reactions, offers advantages like higher mineralization rates and lower costs, making it a practical choice for organic matter removal. Additionally, ozonation has been found effective in removing micropollutants and conventional pollutants from wastewater, with promising results in terms of chemical oxygen demand and total suspended solids removal. Overall, ozonation emerges as a valuable technology for enhancing the quality of wastewater for agricultural purposes, showcasing its potential impact in sustainable water management practices.What are the possible title for students pressure reasearch?
5 answers
Possible titles for research on student pressure could include: 1. "Exploring the Impact of Academic Pressure on Student Achievement". 2. "Understanding Peer Pressure Among College Students: Manifestations, Influences, and Coping Strategies". 3. "The Role of Learning Pressures in Academic Performance and Psychological Well-being of College Students". 4. "Unveiling the Stress Factors Among Graduate Students: Antecedents and Impacts on Science Conduct". 5. "Investigating the Relationship Between Stress and Academic Performance in Students". These titles encompass various aspects of student pressure, including academic stress, peer pressure, learning pressures, and stress among graduate students, providing a comprehensive overview of the different dimensions of pressure experienced by students in educational settings.How to determine gradient mobile phase in lcms?
5 answers
To determine the gradient mobile phase in LC-MS, various methods can be employed. One approach involves selecting a suitable eluent and test temperature, obtaining retention value equations for each component, predicting retention times, and optimizing the mobile phase ratio gradient to achieve adequate separation without excessive peak spreading. Another method utilizes a microfluidic device with a separation conduit and integrated gradient-generation means to introduce a mobile phase containing a gradient of a selected component for separating fluid sample components efficiently within a small volume. Additionally, a systematic and eco-friendly analytical approach, incorporating quality by design principles, can be utilized to optimize critical method parameters for quantifying impurities in drug substances, ensuring robust separation and adherence to regulatory guidelines.How does the total content of phenolic compounds affect the size of nanoparticles?
5 answers
The total content of phenolic compounds has a significant impact on the size of nanoparticles. Research has shown that the phenolic compounds present in plant extracts play a crucial role in the synthesis and stabilization of nanoparticles. Specifically, the study on iron oxide nanoparticles demonstrated a direct relationship between the composition and concentration of phenolic compounds in plant extracts and the size and type of nanoparticles produced. Moreover, the study on lignin nanoparticles highlighted a high negative correlation between the amount of phenolic hydroxyl groups in lignin and the size properties of the nanoparticles, indicating that phenolic hydroxyl groups influence the nucleation or condensation during nanoparticle formation. Therefore, higher concentrations of phenolic compounds tend to result in smaller nanoparticles due to their influence on the formation process.What are the specific health benefits of chlorine for gold fish?
5 answers
Chlorine has both positive and negative effects on goldfish health. On one hand, chlorine is widely used as a disinfectant in fish farms, with its efficiency and cost-effectiveness being key factors. However, exposure to acute chlorine toxicity can lead to various pathological changes in goldfish organs, such as gill edema, kidney degeneration, spleen congestion, and liver necrosis. Additionally, chlorine can improve the selectivity of catalytic reactions on gold surfaces, enhancing certain oxidation processes. On the other hand, chlorine toxicity can cause dyspnea, lethargy, and increased mucus production in goldfish, ultimately leading to hemolytic anemia and death. Therefore, while chlorine can have benefits in disinfection and catalytic reactions, its toxicity poses significant risks to goldfish health.How effective is nanofilteration in removing paracetamol from water sources?
4 answers
Nanofiltration has shown promising effectiveness in removing paracetamol from water sources. Studies have highlighted the successful removal of paracetamol along with other pharmaceuticals using loose nanofiltration membranes, with impressive removal rates ranging from 49% to 99.7%. Additionally, the use of carbon nanotubes (CNTs) has been explored for paracetamol removal, showing a high removal efficiency of 95.40% under optimal conditions. Furthermore, the adsorption of paracetamol onto copper oxide nanoparticles (CuONPs) has demonstrated high adsorption capacities, with a maximum monolayer adsorption capacity of 64.52 mg/g, indicating the potential of CuONPs as efficient adsorbents for paracetamol removal. Overall, nanofiltration, CNTs, and CuONPs present viable methods for effectively removing paracetamol from water sources, showcasing their potential in water treatment applications.Is 1230za used to synthesize 1233zd?
4 answers
Yes, 1230za is indeed used to synthesize 1233zd. The process involves contacting 1230za with HF in the gas phase in the presence of a fluorination catalyst, such as aluminum fluoride or chromium-based catalysts, to produce a reaction mixture containing 1233zd. Additionally, an azeotropic mixture of HF and 1233zd is utilized as an intermediate for producing 1,1,1,3,3-pentafluoropropene (245fa) in a high yield. Methods for separating this azeotrope from mixtures of HF and 1233zd are also provided, enhancing the preparation of 1233zd, which is crucial in the production of 245fa, a known foam blowing agent and refrigerant.What are the current trends and innovations in the energy beverage market?
5 answers
Current trends and innovations in the energy beverage market include the utilization of nonthermal physical technologies like ultrahigh-pressure homogenization and pulsed electric fields to enhance processing efficiency. Additionally, there is a rise in the popularity of antioxidant energy beverages that neutralize free radicals in the body, thereby boosting immunity and resistibility. Moreover, the introduction of unique energy beverages like sweet potato energy drinks, formulated with ingredients such as sweet potato juice, peanuts, walnuts, and vitamins, offer various health benefits like refreshing effects, improved eyesight, and energy replenishment. Furthermore, the market sees a growing consumer interest in energy drinks, especially among young adults, with over 300 different energy drinks available, often marketed for their energy-boosting and cognitive performance-enhancing properties.What are the most common chemical methods used in plastic recycling?
5 answers
The most common chemical methods used in plastic recycling include depolymerization via solvolysis, pyrolysis, glycolysis, alcoholysis, and reductive depolymerization. These methods aim to break down plastics like PET, PU, and PS into their monomer components, which can then be further polymerized back into new plastic structures. Chemical recycling offers a promising solution to the global plastic waste issue, providing avenues for the production of valuable building block chemicals from post-consumer plastics like PET. Additionally, chemical methods such as low-temperature pyrolysis, catalytic degradation, and hydrothermal liquefaction have been explored for depolymerization, utilizing ionic liquids and regenerative catalysts to achieve complete polymer conversion and maximum product yield. Pyrolysis and gasification are also effective chemical recycling techniques for polyolefins like polyethylene and polypropylene, yielding valuable hydrocarbons and syngas for various applications.How do nanomaterials affect the sensitivity and specificity of electrochemical biosensors for Parkinson Disease detection?
5 answers
Nanomaterials play a crucial role in enhancing the sensitivity and specificity of electrochemical biosensors for Parkinson's disease detection. Functionalized nanomaterials, such as gold nanoparticles, carbon nanotubes, and metal oxide nanoparticles, offer increased electron transport, high surface area, and strong adsorption capacity, leading to improved sensor performance. Nanomaterial-based electrochemical sensors, like [email protected]2O3 nanoparticles, exhibit high sensitivity and selectivity for detecting dopamine, a key biomarker in Parkinson's disease. These sensors enable the detection of dopamine at low concentrations with excellent anti-interference ability, showcasing their potential for accurate diagnosis in early stages of the disease. The integration of nanomaterials in biosensors not only enhances sensitivity but also addresses the need for cost-effective and efficient diagnostic technologies for Parkinson's disease detection.