The first steam turbine used for power generation was invented in 1884. A broad view of cogeneration in the cane industry, covering the energy available in a crop, the technology of processing for optimum recovery of energy as well as sugar is presented here. A proposed model for bioelectricity cogeneration activities. Ppt case study on bagasse energy cogeneration in mauritius. Some steam can be sent through a turbine that turns a generator, producing electric power. The potential for cogeneration in the sugar industry is estimated to over 5,000 mw. Development of biomass power generation in rural areas. The sugar cane industry represents one of the most important economic sectors in brazil. Further, as per kpmg analysis this potential will be approximately 9700 mw by 20175. Present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. The combustion of bagasse also releases air pollutants. 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. Cogeneration or combined generation of power and steam in the sugar industry simultaneously generates electricity and superheated steam by burning 4050% moisture content of wet basis bagasse used. In the past two decades after the introduction of cogeneration, most of the sugar units have opted for it and the installed capacity is 3221 mw.
Choosing of right type of cogeneration system would boost the industry s economics, provide energy in reliable way, improve environmental performance, etc. Bagasse energy cogeneration potential in the zimbabwean. Case study on bagasse energy cogeneration in mauritius by dr. Kassiap deepchand technical manager mauritius sugar authority 2 content of presentation. Themain constraints for implementation are high capital costs, fuel availability forcontinues operation throughout the year, government approvals and power trading.
The book describes the most practicable processes for recovering energy in. Pdf present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. Rising critical emission of air pollutants from renewable. Employment is also generated in various ancillary activities relating to transport, trade servicing of machinery and supply of agriculture inputs. Cogeneration emerges as a promising method of energy conservation and bagasse as a renewable energy source. Cogeneration in the cane sugar industry, volume 12 1st. Energy optimization system for cogeneration plant of paper. Paper mills are using agroindustrial residue based cogeneration to meet all their energy requirements and the cogeneration potential has been estimated to be about 750 mw.
Plantation areas total sugarcane area in crop year 202014 was 423,333 hectares planted in around 20 provinces within the 10 regions of the country. Steam turbines are one of the most versatile and oldest prime mover technologies still in general production used to drive a generator or mechanical machinery. The cogeneration of electricity in the sugar industry is linked to energy security and avoided greenhouse gas emissions. An investigation on a cement industry is conducted and noticed that, industry requires 15 mw of power for running the plant. The surplus power export potential of the sugar cane mills in india is 3500. Sugar industries need both electrical energy as well as stream thermal energy for. In a conventional power plant, fuel is burnt in a boiler to generate. Energy management in the south african sugar industry. The sugar cane containing minimum 30% fiber was referred as bagasse and used the generation of power required for the operation of sugar mill. 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. Study on cogeneration opportunities in sugar and paper industries in. Using bagasse in power cogeneration free download as powerpoint presentation. Cogeneration provides a wide range of technologies for application in various domains of economic activities.
Rising critical emission of air pollutants from renewable biomass based cogeneration from the sugar industry in india view the table of contents for this issue, or go to the journal homepage for more. Energy performance assessment of cogeneration and turbines gas, steam bureau of energy efficiency 45 3. In this case study on sugar industry, economics is worked out for advanced cogeneration power system. The low cost of bioelectricity cogeneration due to the use of residual sugarcane biomass as raw material such as bagasse, straws and tips, which are wastes of the production of sugar and ethanol process is a strong incentive for the sugar energy industry. The cogeneration of steam and electricity has become the norm in the sugarcane industry worldwide. Optimized energy cogeneration application note in the sugar industry background the demand for energy in sugar mills combined with the high amount of cane bagasse generated during production which can be used as a biofuel, has led many mills to adopt cogeneration. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond. First highpressure boiler turbogenerator in asean sugar industry. Bagasse, the byproduct of sugar cane processing, is used as the energy source in the sugar industry. Cogeneration is the concept of producing two forms of energy from one fuel.
Agroindustries have the potential to catalyse energy access and promote development. India has more than 500 sugar manufacturing units which manufacture sugar from sugarcane. Sugar industry, cogeneration and distillery promotion policy. Introduction of cogeneration system using bagasse in a. Chapter 5 industrial, commercial, and rural cogeneration. In its 20 yearbook the international sugar organisation iso ranked south africa as the 18th largest sugar producer globally. The traditional operation of a sugar mill offers only a limited potential for exporting excess energy. The study investigated the quantity of sugar cane processed and the possible. Since bagasse is a byproduct of the cane sugar industry, the quantity of production in a country is in line with the quantity of sugarcane produced. It is also the principal sugarcane producer in the. Sugar series cogeneration in the cane sugar industry.
The book describes the most practicable processes for recovering energy in the form of process steam and electricity. Under the light of climate change issues, such as long term energy. In recent years, bagasse has become one of the most important biomass energy sources in the sugar processing industry, through cogeneration power technology. Press mud, which is discarded as a solid waste from sugar mills and used as a manure or as a landfill, is found to.
Significant potential for scaling up cogeneration in mainland subsaharan africa power generation. Cogeneration uses a single process to generate both electricity and usable heat or cooling. Besides, sugar production process, the concept of cogeneration in the context of. India has more than 500 sugar manufacturing units which manufacture.
By replacing low efficiency mill turbines with hydraulic drives and dc motors, cogeneration power increases in sugar mill to operate at high efficiency 65 70 %. Pdf efficient cogeneration scheme for sugar industry. By replacing low efficiency mill turbines with hydraulic drives and dc motors, cogeneration power increases in sugar mill to operate at high efficiency 6570%. The sugar industry is an important part of the republic of mauritius economy, with sugar cane occupying 85% of arable land and sugar exports representing about 19% of foreign exchange earnings mauritius island online 20. In these countries, cogeneration has been used in the sugar industry for the past 40 years or more. Indias sugar industry has potential to export 7500 mw power, and total installed cogeneration capacity in all sugar mills is 4200 mw, of which 3200 mw is being exported by sugar mills to the grid. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing. Performance assessment of 2500 tcd cogeneration plant. Purchase cogeneration in the cane sugar industry, volume 12 1st edition. Sugar mill chosen is a unit of tamil nadu sugarcane corporation ltd and run by government of t amil nadu as a public sector sugar mills, installed in 1977 with 1250 tcd and capacity increased to 2500 tcd in 1989. One of the forms of energy must always be heat and the other may be electrical or mechanical energy. Cogeneration is the simultaneous generation of electrical power and thermal energy through a single fuel.
The cogeneration system suitable to one industry would not be found suitable for another industry, though both would be manufacturing the same product. Fuji electric has developed and delivered an energy optimization system for the cogeneration plant of a paper factory. Widening the coverage of pat scheme sectoral manual. Modern trends in technology and relevant issues in cogeneration plants of sugar industry synopsis cogeneration in sugar industry to produce excess power and exported to the state electricity board grid has gained momentum and is the order of the day. Efficient cogeneration scheme for sugar industry article pdf available in journal of scientific and industrial research 673 march 2008 with 5,444 reads how we measure reads. Sugar industry, cogeneration and distillery promotion policy, 20 introduction. The overall efficiency of energy use in cogeneration mode can be up to 85 per cent and above in some cases. Widening the coverage of pat scheme sectoral manual sugar. Bagasse when burned in quantity produces sufficient heat energy to supply all the needs of a typical sugar mill, with enough energy to spare. Their aim is to achieve selfsufficiency in energy consumption. The most important performance parameters used to assess the steam turbine cogeneration plants in general and sugar mill cogeneration plants in particular are defined and developed. The industry achieved its highest level of production in.
Chapter 5 industrial, commercial, and rural cogeneration opportunities industrial cogeneration large amounts of fuel are used to produce ther mal energy for u. A cogeneration plant provides steam and electric power required for paper factories. One solution that continues to gain profits is to produce their own power using cogeneration. Modern trends in technology and relevant issues in cogener. According to a world alliance for decentralized energy report, bagassebased cogeneration could deliver up to 25% of current power demand requirements in the worlds main cane producing countries. Global trends in cogeneration of bagasse blogging hub. Case combined heat and power and ethanol from sugar. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing in india. Sugar industry is an important agrobased industry that impacts rural livelihood of about 50 million sugarcane farmers and around 5 lakh workers directly employed in sugar mills. The study estimated the potential for extra power generation in the sugar industry of gujarat and maharashtra as.
The global sugar industry has almost 120 producers, including the individual eu member states. Cogeneration in the cane sugar industry should be of interest to a broad spectrum, including government agencies, biomass interests, power generators, public utilities as well as sugar producers and technologist. 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. It produces sugar and ethanol for the internal and external markets. Biomass feedstock and cogeneration in the sugar industry of jamaica lml final report dec. National policy for power cogeneration by sugar industry government of pakistan, ministry of water and power private power and infrastructure board i the tariff will be levelized for 30 years and will be available for 60 mws or above capacity based on 28% net thermal efficiency. Pakistan all operating sugar mills have potential to produce excess electricity and. This process has been taken further to a stage where sugar companies can export a substantial amount of energy to the grid. However, in crop year 20142015, the plantation area for sugar production declined to 416,893 hectares. Sugar mill chosen is a unit of tamil nadu sugarcane corporation ltd and run by government of t amil nadu as a public sector sugar mills, installed in 1977 with 1250 tcd and capacity increased to. Energy cogeneration in sugarcane industries located in brazil is a practice that has been growing in last years. Guyana bagasse cogeneration project english abstract. Criteria such as energy utilization factor, heattopower ratio, fuel energy savings ratio, exergetic efficiency and power generated per tonne of cane tc prove to be more important and relevant. With wide variety of cogeneration schemes and innovations for process industry to choose from, cogeneration offers a winwin situation, be it for a rice millsmall process industry, paper mill, sugar unit, a cement plant, or even for steam throttling avoidance, wherever steamheat and power are simultaneously needed.
Mauritius is one of the most advanced countries in the use of waste from sugar processing bagasse to simultaneously generate heat and electricity cogeneration to feed into the grid, but developments have evolved over several decades with complex dynamics between different actors. Presently, india has around 206 cogeneration units with a cumulative installed exportable capacity of 3,123 mw peak season. Sugar industries need both electrical energy as well as stream thermal energy for their operation. Also, thermal and electric energy are produced for the own factory consumption, using sugar cane bagasse as fuel in cogeneration plants. This waste is ideal for use as fuel to generate power. Sugar industry, cogeneration and distillery promotion. Later under the british plantation system the island became the major producer and leading exporter of sugar in the world. Besides, sugar production process, the concept of cogeneration in the context of sugar industries, energy efficiency improvement concepts in sugar mills and stateoftheart technologies are briefly discussed.
Sugar cane industry overview and energy efficiency. Abstractthe south african sugar industry produces sugar and electricity and raw materials for ethanol production among other byproducts. In this paper, using waste heat recovery systems and. Kassiap deepchand technical manager mauritius sugar authority 1 case study on bagasse energy cogeneration in mauritius by dr.
Future energy transitions for bagasse cogeneration. Optimized energy cogeneration application note in the. Bagassebased cogeneration potential in sugar mills is estimated to be 5000mw 4. Sugar cane bagasse energy cogeneration lessons from mauritius. In the sugarcane industry, cogeneration is fuelled by the bagasse residue of sugar refining, which is burned to produce steam. Cane industry is a largeemployment generator right from cultivation, harvesting, transportation to sugar processing in india. Introduction of cogeneration system using bagasse in a sugar factory.
Sugar mills have the capacity to export about 100 kwhr power per ton cane. In india, the installed power plant capacity was approximately 0 mw in. The state of the jamaican sugar industry introduction the jamaican sugar industry is over 500 years old, dating back to 1509 when the island was under spanish rule. The system is capable of monitoring the state of various facilities, including powersteam loads and the amount of steam produced by an ex. Guyana bagasse cogeneration project english the world bank. Thus, electricity production through cogeneration in sugar mills in india is an important avenue for supplying lowcost, nonconventional power. Cogeneration or combined generation of power and steam in the sugar industry simultaneously generates electricity and superheated steam by burning 4050% moisture content of. Steam turbine cogeneration systems involve different types of configurations with. South africa further ranked as the 11th largest exporter globally.
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. Cogeneration operations can be improved by reducing moisture content at millingand also later using dryer. Sugarcane industry waste utilization waste generation the manufacture of sugar generates large quantities of biomass waste such as rice husk, bamboo dust, bagasse, coconut coir, jute and sticks. National policy for power cogeneration by sugar industry. Bagassebased cogeneration at hippo valley estates sugar. Realization of the first successful bagassepowered cogeneration. Development and installation of high pressure boilers for. It is also the principal sugarcane producer in the country in which sugarcane.
Mauritius and reunion islands have implemented state of the art technology in bagasse energy cogeneration. A manufacturing and engineering solutions conglomerate with operations in sugar production, power cogeneration, distillery, industrial gearing and water treatment solutions, triveni services key priority sectors of sugar, power generation and water management with its 10 manufacturing locations across india. Indian sugar industry has to improve the revenue by value addition to the by product. Oct 12, 2017 burning bagasse also removes a waste product through its use as a feedstock for the electrical generators and steam turbines. Overview of the sugarcane industry updated on march 2016 i. 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. Plants established in recent times are all integrated complexes.
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