In this paper, exergy analysis of a heatmatched bagassebased cogeneration plant of a typical 2500tcd sugar factory, using backpressure and extraction condensing steam turbine is presented. Introduction of cogeneration system using bagasse in a. The purpose of this book is to set down the unique position of sugar cane in the cogeneration field. Study of a cogeneration plant in sugar mill by using. Sugar cane industry overview and energy efficiency. Pioneers cogeneration plant is australias largest generator running only on biomass. Cogeneration or trigeneration production is subject to limitations in the local demand, and thus may sometimes need to reduce e. Turnkey sugar plant manufacturer bagasse cogeneration. The study investigated the quantity of sugar cane processed and the possible. Cogeneration is a highly efficient form of energy conversion and it can achieve primary energy savings of. The south african sugar industry is one of the worlds best producers of high quality sugar, producing an average of 2. Sugar cane industry overview and energy efficiency considerations.
India has more than 500 sugar manufacturing units which manufacture sugar from sugarcane. Sugar plant raw material for the plant is sugarcane is available in ample quantity for the plant. Typical sugar factory annexed to a cogeneration plant sugar cane factory bagasse low pressure steam grid electricity cogeneration power plant hp steam ce turbo alternator electricity 3. A model of cogeneration plants based on smallsize gas. Electrical power obtained from the cogeneration system usually exceeds the demand for internal use in the factory. Cogeneration in the cane sugar industry, volume 12 1st.
Also, thermal and electric energy are produced for the own factory consumption, using sugar cane bagasse as fuel in cogeneration plants. Cogeneration the four cogeneration plants in the reportokeelanta, snohomish, lahti, and camasare recent plants, using the latest technology, in traditional niches for biomass power. When comparing cogeneration plants energygeneration processes, it can be observed that. The aim of the guyana bagasse cogeneration project is to utilize in an efficient manner the bagasse byproduct of the new skeldon sugar factory in generating electricity for internal use as well as for sale to the national grid. Development and installation of high pressure boilers for.
One of the forms of energy must always be heat and the other may be electrical or mechanical energy. Pdf study of a cogeneration plant in sugar mill by using. The command area of the proposed sugar mill has adequate irrigation facilities, potential for sustained cane supply to the sugar mill and biomass availability. The promotion of bagasse cogeneration in sugar mills for surplus power generation is one of the important schemes of meda. Sugar factory automation and optimization abb process. The florida department of environmental protection is the states lead agency for environmental management and stewardship protecting our air, water and land. The excess power is, therefore, exported to the national grid. Pdf performance analysis of cogeneration plant in white. Performance assessment of 2500 tcd cogeneration plant sangamesh y g, suchitra g, jangamshetti s h abstract in this paper an energy balance has been carried out for an actual 2500 tcd plant. The cane plant is probably the most efficient utilizer of sun energy for food production, and at the same time provides an equivalent quantity of biomass. Sugar juice is extracted from sugar cane stalks in the juice extraction process, of which byproduct is bagasse. The industry combines the agricultural activities of growing sugarcane with industrial factory production of raw and refined sugar. All vapor from the system is consumed for sugar process. Pdf performance analysis of cogeneration plant in white nile.
The power plant personnel can concentrate on electricity production, efficiency and system availability. Reddy3 1department of mechanical engineering, citm, vizianagaram, india 2co 2 research and green technologies centre, school of mechanical and building sciences, vit university, vellore 632014, india. Kassiap deepchand technical manager mauritius sugar authority. The average crushing capacity of the sugar factory is 4000 tonnes of cane per day tcd. Kakira sugar works cogeneration expansion environmental. A sugar mill near meerut, north india utilises the waste bagasse from the sugarmaking process to generate electricity for the factory. Chapter 5 industrial, commercial, and rural cogeneration. The bagasse is fired in the boiler for producing steam at high pressure, which is extracted through various single high capacity turbines and used in the process. Pdf analysis of cogeneration systems in sugar cane factories. In a conventional power plant, fuel is burnt in a boiler to generate highpressure steam which is used to drive a turbine, which in turn drives an alternator through a steam turbine to produce electrical power. The cogeneration plant includes a double extraction cum condensing turbo generator of 18. Energy optimization system for cogeneration plant of paper factory 161 issue. The sugar factory requirement at 100% capacity is 12.
Surplus bagasse produced in our burdekin mills during the crushing season is stockpiled on large, specially designed pads at pioneer to enable the cogeneration facility to continue to operate outside of the crushing season. Technologies for profitable cogeneration factory workshop, 2011 by. Energy optimization system for cogeneration plant of paper. The selection and operating scheme of a cogeneration system is very much sitespecific and depends on several factors, as described below. Cogeneration bottom compared with conventional generation top if the same end use of 24 units of electricity and 34 units of heat, by opting for the cogeneration route, as in fig 2. Cane industry is a largeemployment generator right from cultivation, harvesting, transportation to sugar processing in india. High technology and skills can now be created to enable the power plant to work as an independent power producer, a role that is closer to the utility than that of a. The analysis of the power plant is performed together with. Figure 5 the percentage distribution of biomass on sugar cane plant 6 sugar cane is a very efficient energy crop that converts 2 % of available solar energy into chemical energy. Pdf efficient cogeneration scheme for sugar industry. Our 38 megawatt racecourse cogeneration plant situated at our racecourse mill produces enough renewable energy to power about 30 per cent of mackay. Turnkey sugar plant manufacturer from concept to commissioning with cogeneration plants, milling tandems, diffusers and industrial boilers. Almost all the sugar cane factories in brazil are selfsufficient in. Cogeneration projects with higher boiler pressure results in low computation of bagasse, resulting in increased operating days.
Bagasse maharashtra energy development agency govt. Pdf bagasse cogeneration describes the use of fibrous sugarcane waste, bagasse to cogenerate heat and electricity at high efficiency in. The sugar cane containing minimum 30% fiber was referred as bagasse and used the generation of power required for the operation of sugar mill. Cogeneration in sugar factory consists of four main processes. Pdf study of a cogeneration plant in sugar mill by using bagasse. Turnkey sugar plant manufacturer bagasse cogeneration plant. Almost all the sugar cane factories in brazil are selfsufficient in terms of energy supply and in the last few years. Study of a cogeneration plant in sugar mill by using bagasse as a fuel 1 c.
Kakira sugar works cogeneration expansion environmental assessment document no. Energy management system ems when the operation of the factory is at normal state, each of electric power supply and the volume of generated steam are in balance with the factorys electric load and steam load respectively, and steam. Performance assessment of 2500 tcd cogeneration plant. An example of cogeneration with trigeneration applications in a major city is the new york city steam system. Energy management system ems when the operation of the factory is at normal state, each of electric power supply and the volume of generated steam are in balance with the factorys electric load. And in addition, the surplus electricity is supplied to 700. Sep 27, 2008 a sugar mill near meerut, north india utilises the waste bagasse from the sugar making process to generate electricity for the factory. Cogeneration is a highly efficient form of energy conversion and it can achieve primary energy savings of approximately 40% by compared to the separate purchase of electricity from the national.
Chapter 5 industrial, commercial, and rural cogeneration opportunities industrial cogeneration large amounts of fuel are used to produce ther mal energy for u. University of palermo, italy abstract in the following a dynamic mathematical model of a generic cogeneration plant with microturbine is described and the corresponding regulating system is realized. Sugar factory is situated in the sugarcane growing area close to various sources of water in command area. In practical terms, what cogeneration usually entails is the use of what would otherwise be wasted heat such as a manufacturing plants exhaust to produce additional energy benefit, such as to. Bagasse based cogeneration in sugar industry indian sugar industry has to improve the revenue by value addition to the by product.
Introduction of cogeneration system using bagasse in a sugar factory. Guyana bagasse cogeneration project english the world bank. Sugar mills have the capacity to export about 100 kwhr power per ton cane. Chapfer vi a case study of cogeneration potential in the sugar industry 6. He described the methodology used to engineer the integration of a cogeneration plant into a sugar.
In a cogeneration plant, very high efficiency levels, in the range of 75%90%. Guyana bagasse cogeneration project english abstract. In principle, a chp design is independent of the type of heat source, so fossil fuels, organic waste, renewable fuels and nuclear energy are all technically viable options. Introduction of cogeneration system using bagasse in a sugar. Improving cogeneration in sugar factories by superheated. Sugar processing is an energy intensive industry that requires precise control and continuous reliability, especially during seasonal production cycles. Cogeneration in indian sugar industry rathod nitin ramrao, abstract cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing in india. Nghe an sugar company nasu, one of the largest sugar companies in vietnam, is planning to replace boiler of the factory that has been running more than 15 years and introduce 20mw 35mw cogeneration system that runs with bagasse from sugar process. Bagassebased cogeneration at hippo valley estates sugar. Optimum imbibition for cogeneration in sugar factories. Energy management in the south african sugar industry.
Sugar plant automation and optimization worldwide, sugar mills are being modernized and automated in response to the vital need of more efficient production, to be able to compete globally. Performance analysis of cogeneration plant in white nile sugar factory sudan. Cogeneration cogeneration is the concept of producing two forms of energy from one fuel. Case study on bagasse energy cogeneration in mauritius by dr. The bagasse produced in a sugar factory is however used for generation of steam which in turn is used as a fuel source and the surplus generation is exported to the power grids of state governments. Bagasse based cogeneration power project overview bagasse is a by product of sugar cane that is used as fuel in boilers to produce process steam. High technology and skills can now be created to enable the power plant to work as an independent power producer, a role that is closer to the utility than that of a sugar factory that exports excess power to the grid. How do we create green energy the cogeneration process. Much emphasis was on an assessment of the quantity of energy that was lost due to inefficient combustion of bagasse and the use of steam that was generated. The consumption of bagasse depends upon the pressure at which steam is produced in boiler. The cogeneration plant is a part of the existing sugar mill at pudukkottai. Cogeneration combined heat and power chp cogeneration cogen through combined heat and power chp is the simultaneous production of electricity with the recovery and utilisation heat. Cogeneration projects and boiler evaluations in the colombian sugar industry adolfo gomez adolfo gomez gave a presentation describing the current status of the colombian sugar industry including the current cogeneration status.
For encouraging sugar factories in developing the cogeneration power project an attractive policy has been declared by gom vide g. Cogeneration with cane sugar mills in reunion agritrop. There are nearly 202 sugar factories registered in maharashtra. Okeelanta cogeneration facility florida department of. Development and installation of high pressure boilers for co. Pdf present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. The efficiency of a cogeneration plant is higher than those achieved when heat and. For each 10 tonnes of sugarcane crushed, a sugar factory produces nearly 3 tonnes of wet bagasse.
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