heat recovery Articles

  • 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.

  • 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.

  • Modelling the viability of heat recovery from combined sewers

    Modelling of wastewater temperatures along a sewer pipe using energy balance equations and assuming steady-state conditions was achieved. Modelling error was calculated, by comparing the predicted temperature drop to measured ones in three combined sewers, and was found to have an overall root mean squared error of 0.37 K. Downstream measured wastewater temperature was plotted against modelled ...


    By IWA Publishing

  • Heat Recovery for Reuse in Proofing Ovens: Buttercup Bakeries

     By collaborating with a major tertiary research institution, RMIT University, Buttercup Bakeries has been able to apply new heat recovery technology suitable for bakery and other industrial applications. The initiative has resulted not only in cost and energy savings but more efficient oven heating boiler operations. Background Buttercup Bakeries is part of the ...


  • MLM® vs. Conventional RTO Heat Recovery Media

    Random media, in addition to high pressure drop, are also associated with common operational problems when used as the heat recovery media in RTO units. These problems include settling and nesting which leads to even higher pressure drop ...


    By Lantec Products, Inc.

  • 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

  • Heat recovery system at a flooring manufacturer - Case study

    Flooring Manufacturer Reduces Operating Costs with a Customized Heat Recovery System Rising energy costs effect your bottom line. You don’t have to be a CFO to understand that energy costs are high and show little sign of relief these days. To combat the rising cost of natural gas, many companies that operate air pollution control systems are beginning to look at methods that economically ...

  • Case study - Increasing primary heat recovery

    OVERVIEW Tekra Corporation is a custom coater of plastic films in Wisconsin, where state regulations require over 98% of the Volatile Organic Compounds (VOCs) emitted from their process be destroyed in an oxidizer system. While considering their first oxidizer system, Tekra's Engineers did their homework and invested in an early model Regenerative Thermal Oxidizer (RTO). While at the ...

  • Thermo–economic analysis of heat pipe heat exchanger for waste heat recovery in thermal systems

    Thermo–economic analysis of Heat Pipe Heat Exchanger (HPHE) for waste heat recovery in thermal systems using the P1–P2 and NTU methods is presented. The optimum effectiveness of a HPHE is given as a polynomial equation, whereas the net savings and payback period are given in closed form to enable the HPHE designer to determine the optimised values directly. In addition to this, exergy analysis of ...


    By Inderscience Publishers

  • Heat recovery and energy efficiency, improves profitability and reduces CO footprint

    Using latest technology in combustion of oil and gas can provide significant savings in overall energy consumption. Modern oxygen control that compensates changes in ambient temperature and fuel qualities can increase energy efficiency up to 3%. By adding the usage of hot combustion air another 2-3% can be saved. Modern burner technology without mechanical linkage, operating with accurate ...


    By Oilon Oy

  • Experimental study of a novel thermoelectric domestic-ventilator with heat recovery

    A novel prototype thermoelectric domestic-ventilator with air-conditioning heat recovery of exhaust had been made and tested in this paper. A thermoelectric heat exchanger is integrated with a flat-fin cross-flow heat exchanger in this ventilator. This ventilator is investigated and its cooling (or heating) performance evaluated in terms of the Coefficient of Performance (COP), cooling and ...


    By Inderscience Publishers

  • Maximum possible efficiency for energy recovery from low-grade heat sources

    Gas-to-gas heat exchangers are increasingly being used to recover low-grade heat (or cooling) to reduce energy requirements for space heating, drying and other applications. The efficiency of heat recovery is often limited by practical considerations which could – in principle – be reduced or eliminated by development of new materials and technology. However, this paper posits a fundamental ...


    By Inderscience Publishers

  • Power Substation and a Gas-Fired Combustion Turbine and Heat Recovery Steam Generator

    B&V Energy expands the world's largest nitrogen plant by constructing a cogeneration plant supplying the additional power needed to reach resources deep in Mexico's offshore oil field. Metropolitan Mexico City has a population of approximately 20 million and is one of the most densely populated areas in the world, requiring an extraordinary amount of gas and oil to satisfy its growing energy ...


    By Black & Veatch Corporation

  • What is energy recovery?

    Processes like incineration and anaerobic digestion not only provide sources of energy, but they also reduce waste volume The term “energy recovery” often is applied only to a narrow number of methods for converting wastes into energy, when in fact it applies to a broad range of technologies used to create heat, electricity, or fuel. Energy recovery gives ...


    By Fluence Corporation

  • A study on the thermodynamic analysis of a cascaded latent heat storage system over the single storage tank system for diesel engine waste heat recovery

    This article presents the comparison of performance of a cascaded Latent Heat Storage (LHS) system over the Single Storage Tank (SST) system for heat recovery from a diesel engine. The energy and exergy saved and efficiencies during the charging process are evaluated and reported using actual system data. The discharge process is analysed with a case study and it is concluded that it is possible ...


    By Inderscience Publishers

  • A novel cogeneration cycle based on a recompression supercritical carbon dioxide cycle for waste heat recovery in nuclear power plants

    In this study, a novel cogeneration cycle based on the recompression S–CO2 Brayton cycle is proposed, analysed and optimised thermodynamically to utilise the waste heat from a nuclear power plant. The cycle was constructed theoretically on the basis of a transcritical CO2 power cycle and a LiBr/H ...


    By Inderscience Publishers

  • Flooring manufacturer reduces operating costs with a customized heat recovery system - Case Study

    Rising energy costs effect your bottom line. You don’t have to be a CFO to understand that energy costs are high and show little sign of relief these days. To combat the rising cost of natural gas, many companies that operate air pollution control systems are beginning to look at methods that economically recover heat for use somewhere else in their manufacturing operations. One leading ...

  • Autothermal RTO Retrofit with Structured MLM® Heat Recovery Media Yields $100,000+ Savings Per Year

    MLM® and Rest-O-Cat® Succeed Where Random Heat Recovery Media Failed A suburban Chicago producer of coal tar distillates and specialty chemicals uses a regenerative thermal oxidizer (RTO) to ...


    By Lantec Products, Inc.

  • Case study - Maximizing heat recovery from your oxidizer and reducing operating costs

    More and more, companies operating air pollution control equipment today realize that the initial capital cost of an oxidizer system can be rapidly eclipsed by continued operating expenses if careful attention is not periodically given to the system. Below are ten tips to ensure your oxidizer is operating at peak performance. The first five tips focus on parameters end-users should know about ...

  • 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 ...

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