The metal ions well dispersed at the zeolite framework are considered to be active sites of catalytic processes. Therefore, the incorporation of these metals into zeolites as isolated tetrahedral sites appears to be the important task. We have earlier shown that the incorporation [....] » Read More
Multifunctional nanostructures as nanocatalysts find the possibility for their applications in water splitting processes for hydrogen generation as a renewable source of green energy. The studies of some multifunctional nanoparticles by chemical synthesis reveal the formation of [....] » Read More
The presence of heavy metals and metalloids in water represents nowadays one of the most important environmental problems. These species have infinite lifetimes, and chemical or biological treatments present severe restrictions or are economically prohibitive. Hexavalent chromium [....] » Read More
To address the issue of waste plastics in landfills, a hybrid approach is proposed. This would use low temperature plasma pretreatment followed by catalytic cracking to augment the conversion of waste polyolefins into monomers, intermediates, new polymers and value-added chemical [....] » Read More
The development of automatic analyzers based on flow techniques, like FIA, MSFIA, SIA, MPFS, etc., involves the use and continuous innovation of fluidic devices. The new trends go toward the miniaturization of sophisticated fluidic platforms, like chips, requiring continuous adva [....] » Read More
Some materials take place in class of smart materials with adaptive properties and stimulus response to the external conditions. Shape memory alloys take place in this group by exhibiting a peculiar property called shape memory effect, which is characterized by the recoverability [....] » Read More
Mechanisms of formation and diffusion, structure and role in hydrogenation reactions of hydrogen spillover are still debated. In this study we show how these issues are correlated to the nature and particle size [nanoparticles (NP), nanoclusters (NC), single atoms (SA)] of the me [....] » Read More
Hydrogen gas is a cleaner fuel and generates electrical energy in proton exchange membrane fuel cells with high efficiency and the best alternative energy for alternative 1. The present investigation is the first to elucidate the synthesis of mono-dispersed ZnS/NiO-core/shell nan [....] » Read More
Due to the rapid growth of various technological and industrial revolution, the earth is facing several problems. Her resources like water and air are critically polluted. Advanced industrialization causes major pollution. Each year an estimated five to ten million tons of oil ar [....] » Read More
This study is aimed to review the topics of chemical engineering to take in consideration for the scaling-up of reactors, in order to perform processes based on the application of the sonochemistry at industrial level. Sonochemistry is an emergent technology, defined as chemistry [....] » Read More
The ubiquitous presence of sp3 C−H bonds in natural feedstock makes them inexpensive, easily accessible, and attractive synthons for the preparation of common and/or complex molecular frameworks in biologically active natural products, pharmaceutics, agrochemicals, and mate [....] » Read More
Hydrogen is the lightest material. The generation of hydrogen is cheap. We have demonstrated the generation of green hydrogen using hybrid electrodes through the water splitting process. The hybrid photoelectrodes made up of organic natural dye and inorganic ZnO have been fabrica [....] » Read More
Starting from the grand old activated charcoal to zeolites, porous materials have been utilized for environmental and technological benefits for mankind. Of late, porous organic polymers (POPs) have emerged as a new class of functional materials with applications ranging from gas [....] » Read More
Short Riot control agents such as o-chlorobenzylidene malononitrile (CBM) are considered chemical weapons if used as a method of warfare in the chemical arsenal. Due to the toxic potential of the substance, it is the most widely used riot control agent, distributed as a spray by [....] » Read More
The main threat to the environment and living systems today is anthropogenically induced water pollution. Each year, different kinds of organic pollutants are discharged by industries in nearby water resources. The removal of these pollutants is a daunting task and hence, develop [....] » Read More
The method of assembling an isobaric phase diagram from surfaces and phase regions represents the construction of a 3D object in the coordinates "concentration (x-y) - temperature (T)" in such a way that the result is a 3D computer model of the phase diagram constructed [....] » Read More
The biodegradable polymer are the next generation and newly emerging field in green materials. It has been used more than 50 years for various applications. The synthetic flexibility and elastic features of these polymers to considered in accordance with make them attractive for [....] » Read More
Among the various harmful pollutants, toxic heavy metals are the one which are responsible for serious problems in our eco-system. The non-biodegradable nature of heavy metals and bio-accumulation at very low concentrations generate hazardous impacts on flora and fauna. Many tech [....] » Read More
In the present work, the adsorption behavior of Eriochrome Black T (EBT) on waste hemp activated carbon (WHAC) was examined. The surface of the WHAC was modified by H3PO4 acid treatment. The surface and structural characterization of the adsorbents was carried out using Four [....] » Read More
Climate change is one of the most serious environmental problems impacting on nature and humans at a global level. Various action plans responding to climate change are being launched by the government, enterprises and civil organizations, etc. This paper is for explaining car [....] » Read More
This research aims for the adsorptive removal of phenol from wastewater by solid adsorbents generated from biological wastes viz. guava tree bark, rice husk, neem leaves, activated carbon from coconut coir, and industrial wastes viz. rice husk ash, red mud, clarified sludge from [....] » Read More
For environmental remediation, treatment of water is an enormous challenge and a vast number of methods have been investigated for their ability to remove toxic chemicals and species from polluted water. However, the research still continues to find the best strategy for effectiv [....] » Read More
Surfactants are a class of amphiphilic substances that simultaneously include hydrophilic and hydrophobic components in their molecular structure. Surfactants' distinctive molecular structure makes it possible to increase the solubility of soil pollutants in water, particular [....] » Read More
It was aimed to couple boron carbide (B4C) and silver ferrite (AgFe2O4) nanoparticles in the composite heterojunction structure for the Cr(VI) photoreduction application. For this purpose, a polymer precursor, polyvinyl borate (PVB) was synthesized from polyvinyl alcohol and bori [....] » Read More
The variations of solar activity and distribution of solar energy due to the rotation of the Earth around its axis and around the Sun exert a strong influence on the self-organization of water molecules, on the size of water clusters and on their chemical reactivity. As a result, [....] » Read More
Pesticides are chemical compounds widely used in crops’ pest control, ensuring high productivity and product quality control. However, pesticides are toxic and can be bioaccumulative. Their excessive use causes environmental and health impacts. In this study, the potential [....] » Read More
Iodine (I-129) is a radioactive isotope which has half-life of 15.7 million years. The radioactive iodine is produced by nuclear fission in nuclear power plants. Due to iodine has a long half-life with high mobility in the environment, the iodine should be captured and immobilize [....] » Read More
Radioactive cesium (Cs) is representative fission products of spent nuclear fuel with high heat generating. Since radioactive Cs has high solubility and mobility in groundwater, it should be immobilized in a chemically durable waste form. Ceramic waste form has higher thermal sta [....] » Read More
Resveratrol is a polyphenolic stilbenoid compound known for its strong anti-oxidative effect, however its bioavailability is limited due to its rapid metabolism and poor water solubility. These drawbacks could be overcome by performing enzymatic structural modification [....] » Read More
Equipment and technology for the development of offshore fields. Currently, oil and gas fields have been discovered on the shelves of 60 countries. More than 500 deposits are being developed off the coast of the United States, about 100 in the North Sea, and more than 40 in the P [....] » Read More
Ionic liquids played a crucial role in replacing toxic organic solvents due to its special properties such as high conductivities, inflammability, chemically inert nature, lesser toxicity, more stability even at high temperature and very low pressure. Flexible di/trimeric substit [....] » Read More
All phenomena and processes in the nature and world proceed only in two energy directions: either along the force field gradient with minimum energy input (entropy) or against the gradient with maximum energy input (negentropy). The graphs of S-curves and their nomograms characte [....] » Read More
Plant infestation by pets is one of the worst effects of bacteria and fungi on human food. Plants as a primary food resource are critical for human muscle building and mental health. Many farmers worldwide misuse the pesticides’ mixtures to keep crops, fruits, and vegetable [....] » Read More
Syntheses for achieving stereoselective oxidations of pro-chiral sulfides to the corresponding enantiomerically defined sulfoxides have been known since the early 1960s (Andersen, 1962). The practical value of this methodology and other (Davis, 1980s and 90s) was limited, due to [....] » Read More
Hydrogen energy is a pollution-free and efficient energy, but safe and efficient hydrogen storage technology is the key to realize the utilization of hydrogen energy. Liquid organic hydrogen carrier (LOHC) technology is more efficient in terms of safety and storage and transporta [....] » Read More
Title : Development of an efficient acid-free palladium(II) catalyzed hydroarylation of acetylene
Christine Hahn, Texas A&M University-Kingsville, United States
Hydroarylation of alkynes is a useful organic reaction to generate aryl alkenes as building blocks for more complex molecules. The direct addition of arenes to alkynes may serve as an efficient methodology to shorten the lengthy multi-step synthesis of natural products or drug mo [....] » Read More
Title : Catalytic carbon dioxide recycling to chemical products in fuel cells
Venko Beschkov, Bulgarian Academy of Sciences, Bulgaria
There are various attempts to save carbon dioxide emissions by carbon collection and storage (CCS) or carbon collection and utilization (CCU). The electrochemical methods for CCU are extensively studied. They are classified in two classes: electrolysis with chemical production an [....] » Read More
Title : Development of air-stable oxysulfide-based solid electrolytes green technology
Hagsoo Kim, Kyungpook National University, Korea, Republic of
Along with the recent rapid growth of the electric vehicle market, the performance improvement of commercialized lithium rechargeable batteries for miniaturization, lightweight and high performance, that is, high safety, high energy density and rapid charging (high c-rate), etc. [....] » Read More
Title : The organic nGMO soybeans as a raw material in soy milk innovation production
Anna Wenda Piesik, Bydgoszcz University of Science and Technology, Poland
Statement of the Problem: Soybeans are an excellent source of functional ingredients, such as dietary fiber, high-quality protein and polyphenols, mainly isoflavones. The lipid components disadvantageous to the health of the consumer are not present in soybeans, such as cholester [....] » Read More
Title : Evaluation of hydrotaicite-derived Ni catalysts for tri-reforming of methane process for CO2 conversion
Rohit Kumar, Indian Institute of Technology (Banaras Hindu University), India
The anthropogenic CO2 emission into the atmosphere is considered as a prime reason for global warming and climate change. One promising idea for the mitigation of CO2 emission is CO2 conversion and utilization (CCU). Tri-reforming of methane (TRM) process offers a unique way to c [....] » Read More
Title : Induction of volatile organic compounds in wheat plants following infection by different rhizoctonia pathogens
Dariusz Piesik, PBS Bydgoszcz University of Science and Technology, Poland
The most popular means of plant protection is the chemical method, but this control is often connected with the need for repeating chemical treatments. Thus, eco-friendly strategies should be developed where, under the European Green Deal, aromatic plants and their repellent prop [....] » Read More
Title : Role of catalyst in metallurgical industry
Debjani Nag, Tata Steel, India
In present day, around 70% of the steel is produced through blast furnace (BF)/basic oxygen furnace (BOF) process. In this process iron oxide is reduced primarily by using carbon which essentially generates carbon dioxide. Over the years several technological interventions have s [....] » Read More
Title : Time-evolving growth of 3D-nanocrystalline carbon from the electro-reduction of acetic acid with in-situ electrodeposited Ag at ambient conditions
Nattaphon Hongrutai, Chulalongkorn University, Thailand
Nanocrystalline carbon thin films containing nanodiamond and diamond-C (progressive intermediates in the graphite-to-diamond phase transition) were produced by a low-energy production method, consisting of the in-situ electrochemical reduction of acetic acid/Ag(NO3) using a relat [....] » Read More
Title : High-entropy transition-metal sulfide nanoparticles deposited on ultra-thin g-C3N4 nanosheets for efficient CO2 photoreduction
Ashkan Bahadoran, Chinese Academy of Science, China
Progression towards a sustainable and efficient CO2 photoreduction reaction (CO2-PR) is hindered by overcoming challenges such as the development of affordable and cost-effective catalysts. Among the various materials applied for CO2-PR during the last decade, almost no heed has [....] » Read More
Title : Synthesis of bioplastics and their characteristics
Vandana Sakhre, Manipal Academy Of Higher Education, United Arab Emirates
There are increasing environmental concerns for plastic (oil-based polymers) in society today, and there has been an effort to introduce more environmentally friendly materials like Starch-based bioplastics because it is obtained from a renewable resource and is relatively cheape [....] » Read More