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. Sugar factory is situated in the sugarcane growing area close to various sources of water in command area. Pioneers cogeneration plant is australias largest generator running only on biomass. 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. 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. 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. Sugar factory automation and optimization abb process. The addition of turbogenerator to the sugar manufacturing units completes the cogeneration system for sugar factories.
Introduction of cogeneration system using bagasse in a. Okeelanta cogeneration facility florida department of. A sugar mill near meerut, north india utilises the waste bagasse from the sugarmaking process to generate electricity for the factory. 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. Sugar processing is an energy intensive industry that requires precise control and continuous reliability, especially during seasonal production cycles. And in addition, the surplus electricity is supplied to 700. 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. There are nearly 202 sugar factories registered in maharashtra. The average crushing capacity of the sugar factory is 4000 tonnes of cane per day tcd.
Sugar plant raw material for the plant is sugarcane is available in ample quantity for the plant. Sugar mills have the capacity to export about 100 kwhr power per ton cane. Pdf performance analysis of cogeneration plant in white nile. 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. 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. Technologies for profitable cogeneration factory workshop, 2011 by. Almost all the sugar cane factories in brazil are selfsufficient in. The cogeneration plant is a part of the existing sugar mill at pudukkottai. Kakira sugar works cogeneration expansion environmental assessment document no. 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. Development and installation of high pressure boilers for. Pdf present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. The purpose of this book is to set down the unique position of sugar cane in the cogeneration field. 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.
Cogeneration is a highly efficient form of energy conversion and it can achieve primary energy savings of. Performance assessment of 2500 tcd cogeneration plant. The south african sugar industry is one of the worlds best producers of high quality sugar, producing an average of 2. The excess power is, therefore, exported to the national grid. 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. 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.
How do we create green energy the cogeneration process. The sugar cane containing minimum 30% fiber was referred as bagasse and used the generation of power required for the operation of sugar mill. 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. All vapor from the system is consumed for sugar process. Pdf bagasse cogeneration describes the use of fibrous sugarcane waste, bagasse to cogenerate heat and electricity at high efficiency in. The analysis of the power plant is performed together with. Also, thermal and electric energy are produced for the own factory consumption, using sugar cane bagasse as fuel in cogeneration plants. Our 38 megawatt racecourse cogeneration plant situated at our racecourse mill produces enough renewable energy to power about 30 per cent of mackay. Chapter 5 industrial, commercial, and rural cogeneration opportunities industrial cogeneration large amounts of fuel are used to produce ther mal energy for u. Pdf analysis of cogeneration systems in sugar cane factories. Sugar cane industry overview and energy efficiency.
Development and installation of high pressure boilers for co. For encouraging sugar factories in developing the cogeneration power project an attractive policy has been declared by gom vide g. Study of a cogeneration plant in sugar mill by using. The florida department of environmental protection is the states lead agency for environmental management and stewardship protecting our air, water and land. 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. Bagasse based cogeneration in sugar industry indian sugar industry has to improve the revenue by value addition to the by product. 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 sugar factory consists of four main processes. The study investigated the quantity of sugar cane processed and the possible.
The power plant personnel can concentrate on electricity production, efficiency and system availability. Case study on bagasse energy cogeneration in mauritius by dr. Turnkey sugar plant manufacturer bagasse cogeneration. The sugar factory requirement at 100% capacity is 12.
The efficiency of a cogeneration plant is higher than those achieved when heat and. 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. Sugar cane industry overview and energy efficiency considerations. Cogeneration in the cane sugar industry, volume 12 1st. 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. 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. Kakira sugar works cogeneration expansion environmental. Energy management in the south african sugar industry. The industry combines the agricultural activities of growing sugarcane with industrial factory production of raw and refined sugar.
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. Energy optimization system for cogeneration plant of paper. Almost all the sugar cane factories in brazil are selfsufficient in terms of energy supply and in the last few years. Chapter 5 industrial, commercial, and rural cogeneration. Guyana bagasse cogeneration project english abstract. Guyana bagasse cogeneration project english the world bank.
When comparing cogeneration plants energygeneration processes, it can be observed that. 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. Pdf study of a cogeneration plant in sugar mill by using. Cane industry is a largeemployment generator right from cultivation, harvesting, transportation to sugar processing in india. 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. Performance analysis of cogeneration plant in white nile sugar factory sudan. Pdf performance analysis of cogeneration plant in white. The cogeneration plant includes a double extraction cum condensing turbo generator of 18.
Bagasse maharashtra energy development agency govt. For each 10 tonnes of sugarcane crushed, a sugar factory produces nearly 3 tonnes of wet bagasse. Turnkey sugar plant manufacturer bagasse cogeneration plant. India has more than 500 sugar manufacturing units which manufacture sugar from sugarcane. Pdf efficient cogeneration scheme for sugar industry. 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. He described the methodology used to engineer the integration of a cogeneration plant into a sugar. The plant is also reducing queenslands greenhouse gas emissions by 200,000 tonnes equivalent carbon dioxide co2e each year. The consumption of bagasse depends upon the pressure at which steam is produced in boiler. 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. Cogeneration or trigeneration production is subject to limitations in the local demand, and thus may sometimes need to reduce e.
One of the forms of energy must always be heat and the other may be electrical or mechanical energy. 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. An example of cogeneration with trigeneration applications in a major city is the new york city steam system. 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. 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. The promotion of bagasse cogeneration in sugar mills for surplus power generation is one of the important schemes of meda.
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. Cogeneration with cane sugar mills in reunion agritrop. Turnkey sugar plant manufacturer from concept to commissioning with cogeneration plants, milling tandems, diffusers and industrial boilers. Cogeneration the four cogeneration plants in the reportokeelanta, snohomish, lahti, and camasare recent plants, using the latest technology, in traditional niches for biomass power. Cogeneration projects with higher boiler pressure results in low computation of bagasse, resulting in increased operating days. Introduction of cogeneration system using bagasse in a sugar factory. Cogeneration cogeneration is the concept of producing two forms of energy from one fuel. Energy optimization system for cogeneration plant of paper factory 161 issue.
Kassiap deepchand technical manager mauritius sugar authority 1. Improving cogeneration in sugar factories by superheated. Introduction of cogeneration system using bagasse in a sugar. Optimum imbibition for cogeneration in sugar factories. Bagassebased cogeneration at hippo valley estates sugar. 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.
857 1120 1100 363 1066 730 97 886 32 623 689 1232 432 940 219 725 720 523 1009 373 158 513 1395 1288 217 1155 1091 759 606 956 1497 33 1484 1078 141 313 190 618 1470 31 222 1165 286 903 290 1381 1133 829 697 1330 1229