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240 articles for “chemical wastes”
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Study on Evaluation of Mechanical Properties of Kerb Stone Incorporating Polypropylene Material for Enhanced Durability and Performance
Abstract: This study evaluates the mechanical properties of kerb stone incorporating polypropylene (PP) material, to enhance durability and performance. In the wake of increasing environmental concerns and the need for sustainable construction practices, the reuse of plastic waste, particularly polypropylene, has emerged as a promising solution. Polypropylene, known for its durability, resistance to chemical attacks, and low water absorption, offers significant potential when integrated into concrete products. In this research, standard …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 73–84 Read article
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Cost Effective Wastewater Treatment Technique for Bara Nulla Peshawar
Abstract: Various samples from Bara Nulla in Peshawar were collected and analyzed, using standard methods for various important wastewater parameters. The effluent discharge from the nulla is highly polluted in terms of its physical and chemical properties. Most of it parameters do not meet the requirements of Pak-EPA NEQS limitations set for industrial and domestic effluent discharge. The average wastewater characteristics of nulla in terms of COD, BOD, TDS, TSS, turbidity …
Published in Journal of Geotechnical Engineering · Vol. 2, Issue 1, 2015 · pp. 24–28 Read article
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Recycling of Expired Chemical Drugs and Controlling of Organic Chemical Compounds
Abstract: Expired chemicals in chemical medicines represent a big problem in chemical medicines and we must find ways to treat expired medicines. It proposes a new technology for reuse instead of burying it with ordinary waste or instead of burning it in the ovens of the soil company, The side effects of an expired medicine (its chemical substances are out of date and ineffective in healing) are any unwanted effects of …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 2, 2024 · pp. 12–20 Read article
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Synthesis of Isoamyl Acetate (Banana oil) Using Fly Ash Supported Nano Crystalline Solid Acid Catalyst
Abstract: A novel fly ash supported solid acid catalyst (HClO4/FA) has been synthesized by using F-type fly ash and HClO4 as precursor. The variation of surface and physicochemical properties of the fly ash by activation methods resulted in improved acidity and therefore, catalytic activity for acid catalyzed esterification reactions. The HClO4/FA catalyst was characterized by XRF, XRD, FT-IR, SEM and BET surface area. The catalytic performance of HClO4/FA catalyst was evaluated …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 1–8 Read article
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High Strength Concrete Using Stone Waste
Abstract: Concrete is still the main material used in modern construction, and high strength concrete (HSC) is especially important for structures that need to be very strong. With more focus on being environmentally friendly, using waste materials from industries like stone in concrete has become a good way to make construction more eco-friendly. However, getting rid of stone waste, such as granite slurry, marble powder, and quarry dust, causes environmental problems …
Published in Recent Trends in Civil Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 8–15 Read article
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Ants in Ecosystems and Agriculture: A Comprehensive Review
Abstract: Nearly 60% of the world’s habitats are underutilized. And current agricultural practices are blamed for contributing to soil carbon depletion and biodiversity loss. Climate change, habitat fragmentation, and other challenges hinder species development, leading to projected shifts in species distribution. This calls for alternative management strategies. The organizational structure of social insects, especially ants, offers a model for improved ants account for half of all insect biomass. It plays an …
Published in International Journal of Insects · Vol. 1, Issue 2, 2024 · pp. 15–22 Read article
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Green Fabrication of Glutaraldehyde-Crosslinked Chitosan/PVA Biocomposite for Heavy Metal Removal from Wastewater
Abstract: Chitosan (CS) and Polyvinyl alcohol (PVA) are polymers that possess biodegradable, biocompatible, and non-toxic properties, making them suitable for wastewater treatment applications. The primary objective of this research is to chemically modify chitosan in a novel manner to enhance its ability to remove hexavalent chromium Cr(VI) from aqueous solutions. In this study, a composite material was synthesized by crosslinking PVA and CS with glutaraldehyde (GA), resulting in the formation of …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 59–83 Read article
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Emerging Photochemical Techniques in Green Chemistry
Abstract: Creating environmentally friendly and sustainable chemical processes is one of the main objectives of green chemistry. A viable strategy for accomplishing this goal is the use of light to trigger chemical reactions in emerging photochemical techniques. An overview of current developments in photochemical techniques that support green chemistry is given in this abstract. Key innovations include the use of visible light photocatalysis, which offers a sustainable alternative to traditional high-energy …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 2, 2023 · pp. 39–45 Read article
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Use of Advanced (i.e., Membrane) Technology for the Wastewater Treatment of Coke Ovens
Abstract: Coke plants produce gas, and coke for metallurgical purposes and also supply the raw materials for the manufacture of dyes, drugs, and high explosives. Naturally found coal is converted into coke in coke ovens. A large quantity of water is used for quenching hot coke and for washing gas. After quenching the wastewater contains high-suspended solids, high biochemical oxygen demand (BOD) (600–1300 mg/L), chemical oxygen demand (COD) (1500–3000mg/L), phenols(500–650 mg/L), …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 2, Issue 1-3, 2012 · pp. 114–126 Read article
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Health Impact due to Pollution from the Fine Chemical Manufacturing Industries Operating at Gove Industrial Belt of Bhiwandi (Maharashtra)
Abstract: The present study performed to understand the toxicity level of heavy metals like Zn+2, Ni+2, Cu+2, Cr+6, Fe+3, which are present in the industrial effluents released from fine chemical industries situated at Gove industrial belt, Bhiwandi, Maharashtra. The concentration level of Zn2+ in the present study was found to be 26.35 ppm which was above the limits of 5.0 ppm set by CPCB in industrial wastewater discharge. Such high Zn2+ …
Published in Research and Reviews: A Journal of Health Professions · Vol. 8, Issue 3, 2018 · pp. 23–30 Read article
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Utilization of Banana Peel Biopolymer as a Natural Coagulant for Wastewater Treatment: A Sustainable Approach to Bio-Composite Applications
Abstract: This study explores an eco-innovative approach to wastewater treatment by utilizing banana peel powder (BPP) as a sustainable, low-cost bio-coagulant. Although effective, conventional chemical coagulants like aluminum sulfate and synthetic polymers are often non-biodegradable, toxic, and economically burdensome, particularly in decentralized or low-resource settings. In contrast, BPP—an agro-waste material rich in bioactive functional groups such as hydroxyl, carboxyl, and phenolic compounds—provides a renewable and environmentally friendly alternative. To enhance its …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 106–115 Read article
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Review of Green Chemical Technologies for Sustainable Developments in Chemical Process Industries
Abstract: The environmental and climatic issues facing across the globe are widely recognized as daunting problems. Therefore, green technologies and ecological sustainable development is vital as the quality of life is declining. We have had major progress in technology causing depletion of natural life sustaining resources, especially clean air and water. These problems are causing substantial environmental, economic and social impairment on a worldwide scale. Sustainable development implies that renewable resources …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 2, 2014 · pp. 8–14 Read article
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Use of Modified and Unmodified Calcium Oxide from Bio-resources as Heterogeneous Transesterification Catalyst for Biodiesel Synthesis: A Review
Abstract: Metal oxides have been widely used to catalyze various types of organic reaction, whatever supported or nonsupport metal oxide catalysts (supported with metal, mixed oxides and acids such as sulphoric acid). Calcium oxide is one of the most metal oxides used as heterogeneous catalysts; due to its favorable properties such as high activity, availability, low cost, and easily separated, as well as environmental friendly. Calcium oxide whether laboratory, prepared from …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 3, 2022 · pp. 30–34 Read article
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Experimental Investigation on the Production and Usage of UCVO and WSLO as an Alternative Fuels to Diesel Engines
Abstract: Recently, black/biodiesels are gaining wider popularity as they can be made from renewable resources and wastages, thus, providing an extra environmental values. Indeed, reuse of the waste spent lubrication oil (WSLO) and used vegetable cooking oils (UVCO) has attracted researchers as the wastes generated are on a massive level everywhere and are posing an environmental hazard in handling serious problems of waste management. The transesterification process and centrifuge operations are …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 34–44 Read article
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A Conceptual study of Digestion wsr to digestion of Carbohydrate,Protein and Fat.
Abstract: In day today Modern era,Digestive disorders are becoming a very common disorder affecting large no of people. . Digestion is a multi stage process in the digestive system which start from ingestion of raw material in oral cavity,followed by various process such as mastication,deglutition,formation of bolus,formation of chyme ,followed by chemical conversion by the action of enzymes along with formation of various waste products. It should be further noted that …
Published in Journal of Nursing Science & Practice · Vol. 11, Issue 1, 2021 · pp. 44–50 Read article
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Sustainable Waste Management through Polymer Recycling: A Review of Business Model and Managerial Innovation
Abstract: Plastic and other polymeric materials have transformed modern life by providing durability, versatility, and cost-effective solutions across industries such as packaging, healthcare, construction, and transportation. However, their extensive use and improper disposal have created significant environmental concerns, including plastic pollution, landfill accumulation, and marine ecosystem degradation. This review synthesizes existing literature on polymer recycling with a focus on business-model innovation and managerial practices that can support sustainable waste management at …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 155–166 Read article
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Polymer Chemistry Solutions for C&D Waste Stabilization and Reuse in Construction Materials
Abstract: The construction and demolition (C&D) waste is among the largest streams of solid-waste in the world, which has posed significant environmental, economic, and resource utility issues. Common waste disposal techniques such as landfill and low-grade recycling contribute to destruction of the material and wasteful characteristics. Polymers as methods of stabilizing mixed C&D waste and converting it into a high-performance construction material have become one of the promising methods in recent …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Review of Organic Rankine Cycle with various Heat Sources
Abstract: AbstractThis paper, reviews about the working and performance of Organic Rankine cycle with different heat sources. There are various sources of heat are available, from the range of low temperature to very high temperature. The source of this heat is of many types such as various types of engines, chemical industries, machines and various processes. This cycle allows re-cycling the waste heat from various sources is converted into useful work …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 33–36 Read article
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Design and Analysis of Water Based Core Technology for a Casting of Light Weight Alloys: Core Casting
Abstract: Casting of light weight alloys like Aluminium based on sand core are gaining importance in several industrial and automobile applications. For replacing the sand by the salt to make core for lightweight alloys has been under the research owing to its excellent mechanical properties coupled with easy removal without using any kind of chemicals. Addition of salt core used as core material can reduce the solid waste which is generally …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 2, 2015 · pp. 25–30 Read article
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Lignin-modified bitumen: Exploring characteristics and performance
Abstract: The surge in crude oil prices has sparked interest in finding efficient and cost-effective alternatives to bitumen, a binder used in road pavement. Bitumen, derived from crude oil distillation or natural deposits, is primarily utilized in pavement grade bitumen, accounting for 83% of its usage. However, traditional hot mix asphalt, which relies heavily on bitumen, emits significant amounts of CO2, CH4, and N2O, contributing to environmental concerns. To address these …
Published in Journal of Petroleum Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 24–30 Read article