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240 articles for “chemical wastes”
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Bacterial Concrete: Innovative Way to Enhance Concrete Properties
Abstract: AbstractConcrete is an absolutely essential component of construction materials used in infrastructure and most buildings. Despite its versatility in construction, it is known to have several limitations. Based on the continuous research carried out around the globe, various modifications have been made from time to time to overcome the deficiencies of cement concrete. Recent research has shown that bacteria produces a metabolic product due to biological processes, this novel emerging …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 14–20 Read article
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An Appraisal on Concept of Ama with Special Reference to Xenobiotics
Abstract: Concept of ama is a unique entity in Ayurveda. The term ama denotes several meanings such as unprocessed food, partially digested food, the food which needs further transformation etc. It is the first stage of vranashotha and has main role in vyadhi utpatthi hence vyadhi also carries synonym as amaya. Impaired agni is the prime cause for ama utpatthi and it has the capacity to vitiate dosha, thereby disturbing the …
Published in Research & Reviews : Journal of Herbal Science · Vol. 13, Issue 1, 2024 · pp. 7–10 Read article
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Chemical Methods for Mitigating Plastic Pollution from the Environment
Abstract: Plastic pollution is a critical environmental concern that affects both terrestrial and marine ecosystems worldwide. Traditional recycling methods have been inadequate in tackling the escalating plastic waste problem, leading to an exploration of chemical recycling techniques as innovative solutions. Chemical recycling involves breaking down polymers into their monomers or converting them into valuable products, offering the potential for more sustainable waste management. This review examines key chemical recycling methods, including …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 2, 2024 · pp. 1–4 Read article
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Evaluation of Marine Waste Water And Aromatic Hydrocarbons Toxicity Using A Battery of Assays
Abstract: Abstract The aim of this study is to evaluate the toxic effects of marine wastewater and representative aromatic hydrocarbons using a battery of assays. The methods employed for the toxicological evaluation involve physic-chemical analysis of the marine wastewater, toxi-chromo test using mutant E coli and sub-chronic animal toxicity testing with emphasis on body weight determination, biochemical indices and histopathological examination. The results showed that Nembe water side wastewater sample contain …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 2, 2020 · pp. 1–13 Read article
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Surface Engineering of Materials: A Review Based on Applications
Abstract: Surface characteristics of material play an important role for various applications. Like, there are many applications of the polymeric membranes in the fields of biomedical, filtration, food processing from the past few decades. But various problems have been faced in their applications due to bacterial and non-bacterial contamination on the surfaces. Many researchers have investigated the surface chemistry and roughness of the membranes to identify their properties and the difficulties …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 45–56 Read article
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Production of liquid fuel from waste plastic using batch catalytic pyrolysis process
Abstract: Waste polystyrene from households and retailing shops are recognized to be the major sources of environmental problem. On the other hand, it represents a source of energy and valuable chemical products. Pyrolysis as a technique of chemical recycling of waste plastic is as an environmentally and economically acceptable option for converting waste plastics into useful resources. In this study, the operating conditions studied were; temperature was varied from 430 to …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 34–43 Read article
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Toxic Trails: Land Degradation Induced By Pollutants
Abstract: Land degradation, driven by various pollutants, poses a significant threat to global ecosystems, agriculture, and human well-being. This review article explores the mechanisms through which pollutants, including heavy metals, pesticides, industrial chemicals, and urban waste, contribute to soil erosion, salinization, acidification, and loss of soil biodiversity. The article presents detailed case studies from regions such as China, India, Nigeria, the United States, Europe, Sub-Saharan Africa, and Australia, highlighting the diverse …
Published in International Journal of Land · Vol. 1, Issue 1, 2024 · pp. 37–45 Read article
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Catalyst-Driven Innovations in Waste Management: From Degradation to Resource Recovery for Circular Economy
Abstract: Waste management has long been a critical challenge for modern societies, with the dual goals of minimizing environmental impact and maximizing resource recovery. Due to their large ecological footprints, conventional waste disposal techniques like landfilling and incineration have been shown to be unsustainable. In response, the focus has shifted toward innovative solutions that not only degrade waste but also recover valuable resources. Catalysts, with their remarkable ability to accelerate chemical …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 2, 2024 · pp. 08–16 Read article
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Selection of Ionic Liquids for the Design of Separation Processes of CO₂ + H₂S Mixed Waste Gases with Different Compositions
Abstract: The waste gas from chemical plants contains H 2 S gas and a large amount of CO 2 gas. These flue gases can be treated in various ways, and in this paper, the mixed flue gas CO 2 +H 2 S was treated by using ionic liquids (IL) as an absorbent. Ionic liquids are considered green solvents with remarkable good properties. In particular, it is known as a very effective …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 3, 2025 · pp. 44–58 Read article
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Recycling of Waste Generator Oils by Different Treatment Methods
Abstract: Engine oils with wide range of viscosities are used to lubricate an engine’s moving parts in different industrial units. Used engine oils are considered hazardous wastes because of their high content of pollutant ,thermal degradation products from the base oil and additives and combustion products from fuel and lubricant. The used oil still contains a large proportion of valuable base oil that may be used to formulate new lubricants if …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 103–115 Read article
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Design and Fabrication of Automatic Pesticides Sprayer
Abstract: Farming is the heart of Indian culture .Agriculture sector largest Employment providing sector. The farmers comes under different levels according to their economic condition like small marginal medium and rich farmers. In large scale rural area farmers using manually operated instrument instead of new techniques. In addition to that spraying pesticides is also preliminary action taken by farmers to protect crop from insect diseases fungi and pests. Number of technologies …
Published in Journal of Production Research & Management · Vol. 10, Issue 2, 2020 · pp. 3–5 Read article
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Isolation and Identification of Novel Bacillus tequilensis TB5 from Vegetable Waste and Analyze the Effect of Rudiment Compounds on Bio-Catalytic α-Amylase Production
Abstract: AbstractAmylase is one of the basic components for leather, baking, textiles and paper industries. It hydrolyzes starch into simple productive sugar which reduces the cost of the final desired product. In this work, amylase producing novel Bacillus tequilensis TB5 was isolated from vegetable waste and different chemical compounds were added at different concentration in production medium to analyze its effect on amylase enzyme production. We observed that addition of weight/volume …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 2, 2019 · pp. 39–50 Read article
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Membrane Filtration Technology for Radioactive Liquid Waste
Abstract: All industrial, scientific and medical processes using radioactive material are responsible for producing nuclear waste which is detrimental to marine life. There is large quantity of water consumption in nuclear power plant due to huge amount of heat dissipation in the reactors. The other sources of radioactive waste can be obtained from the operations conducted by nuclear power stations and from mining and refining of uranium and thorium. While processing …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 27–30 Read article
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Comparative Evaluation of Dodders, Giloy, Onion Peels and Fruit Waste-Prepared Composite Biochar Polymeric Adsorbent (CBPA) For Use in Wastewater Treatment
Abstract: Due to pollutants that have a negative impact on water bodies, wastewater treatment has attracted a lot of attention throughout the years. In many developing countries domestic and industrial wastewater treatment plants are lacking or not working efficiently for detergents due to the refractory nature of such chemicals. Generally the industrial wastewater is directly discharged into the existing water bodies (drains, nallahs etc.) after primary settling tanks. These refractory contaminants …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 72–80 Read article
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Green Chemistry Techniques used in The synthesis of Organic and Biochemical Compounds
Abstract: Green chemistry is closely related to “the design of chemical products and processes that specifically eliminate the use or generation of substances that are hazardous to humans, animals, plants, and the environment.” Green chemistry contains 12 principles that guide how a chemical is produced and used in a green and sustainable way, reducing pollution. Sustainable chemistry is a scientific concept that seeks to improve the efficiency with which natural resources …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 2, 2025 · pp. 01–9 Read article
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A Comprehensive Examination of the Compressive Test Results of Concrete Formulations Modified by The Insertion of Ceramic Powder and High-Density Polyethylene Illustrates Nuanced Changes in the Structural Performance Attributes of the Resultant Composite Materials
Abstract: It is becoming crucial to transition from a traditional, utilization-based society to a sustainable one, resulting of the decline in the natural environment, depletion of natural resources, and decreased capacity for final waste disposal. As the populatio grows, so will the demand for concrete. The major goal of this research is to look at the possible technical benefits of using extruded recycled high-density-polyethylene (HDPE) fibers into structural concrete. The mechanical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 193–205 Read article
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Selective Recovery of Valuable Chemicals from Tire Pyrolysis Oil: A Sustainable Approach
Abstract: The generation of waste/scrap/end-of-life tires (ELTs) poses severe environmental challenges globally. For the disposal of huge numbers of ELTs (generated every year) using conventional recycling methods, like as landfill or incineration, are not preferred due to their adverse environmental impacts. To overcome this problem, an alternative and promising technology is developed -the pyrolysis of waste tires. Pyrolysis is a thermochemical process that decomposes organic materials (Rubber Hydrocarbons) in the absence …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 3, 2025 · pp. 31–43 Read article
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Investigation of Jute Mat with Waste Fish Net by Varying Matrices in Hybrid Composites
Abstract: AbstractIn this study the low cost material of multi filament waste fish net and jute fibres were incorporated as the main reinforcing materials with epoxy resin and polyester resin as the matrix in order to increase the strength of the hybrid composites. The samples were fabricated using hand layup technique. The nylon fibre of waste fish net possesses high impact strength, elasticity property and highly resistant to abrasion of chemicals …
Published in Journal of Polymer & Composites · Vol. 3, Issue 3, 2015 · pp. 27–34 Read article
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Comparative Review of Innovations in Self-Compacting Concrete (SCC) Technologies
Abstract: Self-compacting concrete (SCC) is a revolutionary material in contemporary construction, with better workability and lower labor requirements without any sacrifice in strength or durability. The latest advances have been in terms of furthering its environmental and performance attributes by using different materials and methods. One of them is substituting ordinary Portland cement with high-volume fly ash and calcined calcium carbonate (BCC), cutting CO₂ emissions by as much as possible while …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 3, 2025 · pp. 99–103 Read article
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Determination and Study of The Effect of High Concentrations from Heavy Metals in Environmental Samples
Abstract: This study focused on determining the concentrations of heavy metal ions to assess the environmental pollution levels of five T stations. Based on this, five samples were collected from different environments in Najaf Governorate, and the levels of heavy metal pollution were compared with the permissible values set by the World Health Organization. The research study concerned measurements of the increase and decrease in the concentration of elements and minerals …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 77–84 Read article