plastic-to-hydrocarbon conversion Articles

  • Zeolite catalysed light hydrocarbon conversions

    Availability of light alkane containing feedstocks in petroleum industry demands the catalysts and conversion processes. Two zeolites, ZSM-5 and Mordenite were used for the preparation of a series of catalysts for the conversion of pure light hydrocarbons and industrial feedstocks. Cracking and aromatisation activity of the H-ZSM-5 catalysts varied with the catalyst properties and feed ...


    By Inderscience Publishers

  • Emerging Waste Conversion Technologies

    Today, people and companies are more aware and concerned about the environment than ever before. Everyone is looking for ways to reduce waste or convert organic waste into something more useful. The Federal Government has introduced a renewable energy policy and is continuing to fund for new waste conversion technology. It is now important for local governments to portray their cities and towns ...

  • Methane conversion to higher hydrocarbons over copper loaded BZSM-5 in the presence of oxygen

    The direct conversion of methane to higher hydrocarbons either over metal catalyst or zeolite has not been successful so far in achieving the methane conversion with higher hydrocarbons selectivity within the economic range due to oxidation of the product. The present research aims at improving the performance of BZSM-5 catalyst with the addition of copper. Catalytic behaviours at different ...


    By Inderscience Publishers

  • Municipal solid waste - waste to energy conversion in India: an overview

    Municipal solid waste (MSW) is generated in enormous quantities, in India, causing environmental problems. It is collected primarily by sweeping in India and dumped on the outskirts of urban areas, which pollute the environment. Such MSWs also release methane and carbon dioxide, which are important greenhouse gases. MSW comprises biodegradable material. The MSW disposal methods in India mainly ...


    By Inderscience Publishers

  • Plastics Waste Pyrolysis Optimisation

    This paper presents the optimisation of experimental parameters (run temperature, initial pressure, reaction time, and plastic waste feed) on plastic wastes pyrolysis total conversion and on yields of both gases and liquids. The plastic waste used will include, different compositions of the more abundant plastics in municipal solid wastes: polyethylene (PE), polypropylene (PP) and polystyrene ...


  • Curtailing Contamination Hydrocarbon Engineering July 2017

    During planned shutdowns, the equipment in refineries and petrochemical plants has to be checked. The downtime can require several weeks when tanks, vessels, distillation columns, and pipes have to be drained and cleaned for i   maintenance or repair. Shutdowns are labour-intensive and require accurate scheduling and organisation between all projects, as often hundreds of workers are ...


    By Kurita

  • In Situ electromagnetic heating for hydrocarbon recovery and environmental remediation

    Introduction Thermal recovery methods, as applied in heavy oil and oil sand deposits, and in environmental remediation, have the common objective of accelerating the hydrocarbon recovery process. Raising the temperature of the host formation reduces the oil and bitumen viscosity, and, in environmental remediation, increases vapour pressure. These effects assist in sweeping the substances ...


    By McMillan-McGee Corp.

  • Analyzing for Trace CO and CO2 using a Total Hydrocarbon Analyzer

    Untitled Document The purity of Specialty Gases is determined by the measurement of various contaminants including Total Hydrocarbons. Low level measurements of carbon ...


    By AMETEK MOCON - Baseline

  • New research may solve the problem of plastic wastes

    GLOBE-Net, May 8, 2013* - Plastic - it is an indispensable part of our everyday lives and an almost indestructible part of the garbage that daily ends up in our landfills, incinerators, junk yards, in our rivers or oceans, or in the bellies of fish or animals that form part of our food chain.  Every year, over 260 million tonnes of plastic are produced globally. That is ...


    By GLOBE SERIES

  • Environmental and human exposure to soil chlorinated and brominated polycyclic aromatic hydrocarbons in an urbanized region

    Nine chlorinated and brominated polycyclic aromatic hydrocarbons (Cl/BrPAHs) and five parent polycyclic aromatic hydrocarbons (PAHs) were measured in urban surface soil and fly ash samples collected from Shenzhen, south China in winter 2010. The concentrations of total Cl/BrPAHs and PAHs in soil ranged from below the reporting limit to 142 ng/g and from 4.34 to 158 µg/g, respectively, and in fly ...


    By John Wiley & Sons, Ltd.

  • Combined toxicity of polycyclic aromatic hydrocarbons and heavy metals to biochemical and antioxidant responses of free and immobilized Selenastrum capricornutum

    The aquatic environment often contains different groups of contaminants, but their combined toxicity on microalgae has seldom been reported. The present study compared the toxic effects of combined mixed polycyclic aromatic hydrocarbons (PAHs) and heavy metals on growth and antioxidant responses of free and immobilized microalga, Selenastrum capricornutum. Five PAHs‐phenanthrene, fluorene, ...


    By John Wiley & Sons, Ltd.

  • Making plastic more than disposable: The next great brand challenge?

    Plastic is one of the great inventions of the 20th Century. But is it a half-formed innovation? We need to push the innovation of plastic further, and throw the current brand of plastic in the recycling bin. "We live in a platform world," an enthusiastic Jason Foster, of Replenish, told me at the recent ...


    By GLOBE SERIES

  • Use of process analytics for cracking processes in refineries – Case Study

    Crude oil processing Crude oil is a complex mixture of hydrocarbon compounds and relatively small quantities of other materials such as oxygen, nitrogen, sulphur, salt and water as well as inorganics and metals. It occurs naturally in the ground and was formed millions of years ago. Crude oil varies from source to source in composition and colour. It is typically mixed with gases, which have to ...

  • Automobile Shredder Residue (ASR) destruction in a plasma gasification reactor

    Test results on Automobile Shredder Residue (ASR), or car fluff, demonstrated destruction efficiency and safe conversion to synthesis gas and a glass residue, in a plasma gasification system. The synthesis gas consists primarily of hydrogen and carbon monoxide in the range between 20 and 22 vol-% respectively, or 45 and 55 vol-% dry basis, when corrected for nitrogen. In dry reforming operation, ...


    By Inderscience Publishers

  • Monitoring vibrations, mechanical seals, and bearings for safety and performance

    With more than 70 years of experience in plastics processing, Switzerland-based Quadrant Group is a leading expert in a wide range of polymer materials and technologies for polymer conversion. In order to maintain a high level of quality in the production process, Quadrant's heat-transfer pumps must work safely and reliably. These pumps are commonly subjected to high loads. At the same time, ...


    By ALLWEILER GmbH

  • Rapid HPLC Analysis of PAH Compounds, Using Porous 3µm Particles

    Polynuclear aromatic hydrocarbons (PAHs) are a severe environmental hazard with a variety of sources. Airborne particles, combustion products, and fossil fuels all contain these toxic aromatic substances. Analysis by gas chromatography (GC) has been problematic because GC phases do not meet the need for shape selectivity in separating PAHs. Conversely, high-density C18 octadecylsilane (ODS) ...


    By MilliporeSigma

  • A study on physico–chemical properties and activity of Co–based catalysts supported on SBA–15 in the Fischer–Tropsch synthesis

    Cobalt catalysts supported on SBA–15 and SBA–15, modified by trimethylbenzene (TMB) were prepared from cobalt nitrate and cobalt acetate. Physico–chemical characteristics and activity of the obtained catalysts in Fischer–Tropsch Synthesis at 0.7 MPa were investigated. The results indicate that the use of TMB led to a widening the pores of SBA–15, improving the dispersity of cobalt oxide particles ...


    By Inderscience Publishers

  • Catalytic upgrading of higher 1-alkenes from polyethylene thermal cracking by modified Wacker oxidation

    The economic success of feedstock recycling procedures for plastic wastes is increasingly demanding the conversion of the starting residue into more valuable chemicals. Thermal cracking of polyethylenes leads to the preparation of equimolar mixtures of n-paraffins and 1-alkenes within the C2–C100 range. These 1-olefins can be catalytically upgraded by selective oxidation processes to more ...


    By Springer

  • Design of a Portable Fuel Fired Cylindrical TPV Battery Replacement

    A novel portable fuel fired cylindrical thermophotovoltaic battery charger is described. It uses an array of GaSb TPV cells along with a novel Omega recuperator design and a novel IR emitter design. Computational fluid dynamic (CFD) calculations are presented for this TPV cylinder design showing the potential for an overall fuel to electricity conversion efficiency of 10.9%. The estimated weight ...


    By JX Crystals

  • Catalytic upgrading of higher 1-alkenes from polyethylene thermal cracking by modified Wacker oxidation

    Abstract  The economic success of feedstock recycling procedures for plastic wastes is increasingly demanding the conversion of the starting residue into more valuable chemicals. Thermal cracking of polyethylenes leads to the preparation of equimolar mixtures of n-paraffins and 1-alkenes within the C2–C100 range. These 1-olefins can be catalytically upgraded by selective oxidation processes ...


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