energy recovery Articles

  • 10 things you need to know about the circular economy

    10 things you need to know about the circular economy A working circular economy could be a practical solution to the planet’s emerging resource problems. Here’s 10 facts you should know. 1. Why do we need one? The circular economy is touted as a practical solution to the planet’s emerging resource crunch. Reserves of key resources such ...


    By GPT Waste Management Ltd

  • Energy recovery from gas compressors

    With the development of natural gas recompression plants, linked to the opening of the global gas market, which means increased exchanges and transportation between production and consumption areas, the number of energy recovery projects on this type of installation is ...

  • Energy recovery from biogas purification

    Energy recovery from biogas is becoming more common, but the processes are hampered with the presence of hydrogen sulfide (H2S). Biogas is a mixture of methane and carbon dioxide (CO2) and is often contaminated with toxic quantities of H2S. Sources of biogas are: municipal landfills that produce landfill gas (LFG), wastewater treatment plants, industrial plants, and large scale livestock farms. ...


    By Eco-Tec Inc.

  • Heat recovery

    A heat recuperator absorbs an important part of the calorific energy from gases generated in the combustion of a solid, liquid or gaseous fuel in the process of: melting, heating, toasting, drying, etc. of an specific product. The calorific energy absorbed is transmitted to another fluid, mostly combustion air for the process and fuel saving is so important that the recuperator is amortized in ...


    By Kalfrisa, S.A.

  • Rethinking the green recovery through renewable energy expansion

    The world today is facing the worst economic and environmental crises in generations. Hence, we need policies that can stimulate recovery and at the same time reach the sustainability. United Nations Environment Programme (UNEP et al., 2008; UNEP, 2009a, 2009b, 2011) and many economists (e.g., Barbier, 2009a, 2009b, 2010; Edenhofer and Stern, 2009; Robins et al., 2009) advocate the need for a ...


    By Inderscience Publishers

  • Get 46% FREE Energy with Waste Heat Recovery

    Kaojai Green can show you how a simple waste heat recovery system can produce up to 46% of usable heat energy and energy performance benefit! Read on to see how… First let’s get a little technical and look at how we “can” do this… In waste heat recovery systems the “Art of Energy Recovery” or ...


    By Kaojai Green Energy

  • Energy Recovery in Urban Wastewater Treatment on Global Scale

    ABSTRACT The lack of proper wastewater treatment results in production of CO2 and CH4 without the opportunity for carbon sequestration and energy recovery, with deleterious effects for global warming. Without extending wastewater treatment to all urban areas worldwide, CO2 and CH4 emissions associated with wastewater discharges could reach the equivalent of 3.13·105 tCO2·d-1 in 2025, with ...

  • Energy and phosphorus recovery from black water

    Source-separated black water (BW) (toilet water) containing 38% of the organic material and 68% of the phosphorus in the total household waste (water) stream including kitchen waste, is a potential source for energy and phosphorus recovery. The energy recovered, in the form of electricity and heat, is more than sufficient for anaerobic treatment, nitrogen removal and phosphorus recovery. The ...


    By IWA Publishing

  • Case study - Oxidizer energy recovery options

    Overview The mainstream media today is full of allusions to energy awareness and conservation. Just as visible these days are media references to astronomical dollar figures that can boggle the mind. This article does not seek to break out of that mold, but rather to conform to it – as Oxidizer Stack Heat Recovery offers a tremendous opportunity for both energy conservation and ...

  • Recovery, Recycling and Revenues

    Earlier this year, the UK’s Local Government Association (LGA) revealed that almost 615,000 tonnes of material is disposed of in England, even though it can be reused. It was calculated that by reusing this household waste, British tax payers could save up to £60 million. Most industries produce some form of waste whether it’s broken machinery, surplus food, or unused packaging. ...


    By GPT Waste Management Ltd

  • Heat recovery from wastewater

    Heat recovery from gray water is particularly important in water-intensive industries such as pulp and paper plants, dairies and breweries. Rather than flushing used water down the drain, consider whether a heat exchanging system can help you put that energy to work in your process again. Most plant operators arc aware of the need to save money and reduce the environmental impact of their plant ...


    By DDI Heat Exchangers Inc.

  • Recovery Costs Less

    Bal K. Kaul, Ajit Sapre and Lei Zhang, ExxonMobil Research and Engineering Co. and Daryl Musselman and Surajit Roy, Quest Air Technologies, describe a new low cost H2 recovery process. Hydrogen recovery from fuel gas and hydrogen containing purge gas streams in refinery and chemical processes offers many potential benefits including process uplift, reduced hydrogen costs, avoidance of H2 plant ...


    By Xebec Adsorption Inc.

  • Power Positive Resource Recovery

    Using laws of thermodynamic analysis to evaluate the energy and power characteristics of wastewater and beneficial uses of biogas offers greater insight into best business practices and what is achievable. Growing numbers of waste-water treatment plants (WWTP) are striving to produce more power onsite. In recent years, there’s even been a race among WWTP operators to see who can ...


    By BioCycle Magazine

  • Storm Debris Recovery & Processing

    Mobile wood grinding fleet, qualification as a preapproved cleanup contractor and reliable outlets for processed debris are keys to success. The weeklong winter storm that hit the south and East Coast last February was a record-setting event. The state of South Carolina lost 11 percent of its timber, with North Carolina and some East Coast states sustaining similar ...


    By BioCycle Magazine

  • Inconsistent US Energy Legislation Depresses U.S. Domestic Economic Recovery

    As new energy standards and regulations are enacted across the globe in an effort to address the rising costs of energy production, the declining availability of fossil fuels, and the environmental impact of energy production, some of the traditional leaders in lighting industries are finding themselves hard pressed to maintain competitiveness. With ...


    By Larson Electronics LLC

  • Energy Recovery from Residual Waste by Means of Anaerobic Digestion Technologies

    ABSTRACT Anaerobic digestion (AD) is a natural process, spontaneously taking place in natural surroundings, such as marshes,bogs, paddies, or in cesspits, landfills, and dedicated digesters, used for the conversion of organic waste into a rich gas. Typical AD substrates are: manure, sewage sludge, high BOD wastewater, and – more recently - the organic fraction of Municipal Solid Waste (MSW), ...


    By ORBIT e.V.

  • Assessing Feasibility of Direct Drive Technology for Energy Recovery from Digester Biogas

    ABSTRACTThe Regional Municipality of Waterloo completed a study, with support from Environment Canada, to evaluate the feasibility of using direct drive technology to recover energy from digester biogas. The study identified that a 150 HP engine, operating at 54 % load, could be supported by the estimated gas production of 1560 m3/d with 63 % methane by volume. ...

  • Thermal Treatment Of Halogenated Inorganic Aqueous Waste With Energy And By-Product Recovery

    This paper describes the incineration technology used to safely destroy the liquid and gaseous wastes containing inorganic salts generated by Bulk Pharmaceutical and agrochemical industries. The plants are supplied with dedicated downstream Air Pollution Control System (APC) or energy recovery where applicable. Due to the emergence of new products and increased production in Pharmaceutical and ...

  • Energy recovery from the Exhaust gases of a Cyclone preheater tower - case study

    FOREWORD Advanced Cyclone Systems, S.A. (ACS) designed and supplied a Hurricane cyclone system for Duna-Drava Kft cement plant in Beremend, Hungary, (a member of the HeidelbergCement Group, the global market leader in aggregates), as part of an energy recovery project. To maintain the quality of the ground Pet Coke within the specifications in terms of ash content, ACS was contacted with the ...

  • Energy recovery from waste by use of fluidized-bed technology

    Revolving type fluidized-bed technology, developed by Ebara Corp., is installed in more than 100 facilities worldwide. The technology is applied for waste, coal and in situations where a conventional fluidized bed is difficult to use. Waste and/or coal can be treated and valuable energy can be recovered from a non-renewable source. This paper describes the application of the revolving fluidized ...


    By Inderscience Publishers

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