Some steam can be sent through a turbine that turns a generator, producing electric power. The industry achieved its highest level of production in. Their aim is to achieve selfsufficiency in energy consumption. In this case study on sugar industry, economics is worked out for advanced cogeneration power system. 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. Oct 12, 2017 burning bagasse also removes a waste product through its use as a feedstock for the electrical generators and steam turbines. 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. Later under the british plantation system the island became the major producer and leading exporter of sugar in the world. Cogeneration emerges as a promising method of energy conservation and bagasse as a renewable energy source. 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. Energy cogeneration in sugarcane industries located in brazil is a practice that has been growing in last years. Chapter 5 industrial, commercial, and rural cogeneration. Steam turbine cogeneration systems involve different types of configurations with. Pdf present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system.
In these countries, cogeneration has been used in the sugar industry for the past 40 years or more. 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. Present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. Agroindustries have the potential to catalyse energy access and promote development. Sugar industry, cogeneration and distillery promotion. Press mud, which is discarded as a solid waste from sugar mills and used as a manure or as a landfill, is found to. 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.
Themain constraints for implementation are high capital costs, fuel availability forcontinues operation throughout the year, government approvals and power trading. One of the forms of energy must always be heat and the other may be electrical or mechanical energy. Cogeneration is the concept of producing two forms of energy from one fuel. In recent years, bagasse has become one of the most important biomass energy sources in the sugar processing industry, through cogeneration power technology.
The surplus power export potential of the sugar cane mills in india is 3500. Energy performance assessment of cogeneration and turbines gas, steam bureau of energy efficiency 45 3. The study estimated the potential for extra power generation in the sugar industry of gujarat and maharashtra as. 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. Widening the coverage of pat scheme sectoral manual sugar. Kassiap deepchand technical manager mauritius sugar authority 2 content of presentation. Bagassebased cogeneration at hippo valley estates sugar. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing. The cogeneration of steam and electricity has become the norm in the sugarcane industry worldwide. Cogeneration in the cane sugar industry, volume 12 1st. Fuji electric has developed and delivered an energy optimization system for the cogeneration plant of a paper factory.
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 series cogeneration in the cane sugar industry. It is also the principal sugarcane producer in the country in which sugarcane. The book describes the most practicable processes for recovering energy in the form of process steam and electricity. 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. Employment is also generated in various ancillary activities relating to transport, trade servicing of machinery and supply of agriculture inputs. Plants established in recent times are all integrated complexes. The traditional operation of a sugar mill offers only a limited potential for exporting excess energy. 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. Significant potential for scaling up cogeneration in mainland subsaharan africa power generation. 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. In the sugarcane industry, cogeneration is fuelled by the bagasse residue of sugar refining, which is burned to produce steam. 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.
Cogeneration provides a wide range of technologies for application in various domains of economic activities. 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. Introduction of cogeneration system using bagasse in a sugar factory. Widening the coverage of pat scheme sectoral manual. 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.
This waste is ideal for use as fuel to generate power. Bagasse energy cogeneration potential in the zimbabwean. 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. Besides, sugar production process, the concept of cogeneration in the context of. Global trends in cogeneration of bagasse blogging hub. India has more than 500 sugar manufacturing units which manufacture. Cogeneration in the cane sugar industry, volume 12 1st edition. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond. Guyana bagasse cogeneration project english the world bank.
Biomass feedstock and cogeneration in the sugar industry of jamaica lml final report dec. Cogeneration is the simultaneous generation of electrical power and thermal energy through a single fuel. Pakistan all operating sugar mills have potential to produce excess electricity and. Chapter 5 industrial, commercial, and rural cogeneration opportunities industrial cogeneration large amounts of fuel are used to produce ther mal energy for u. 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. 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. In india, the installed power plant capacity was approximately 0 mw in.
Indian sugar industry has to improve the revenue by value addition to the by product. 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. Case combined heat and power and ethanol from sugar. The cogeneration system suitable to one industry would not be found suitable for another industry, though both would be manufacturing the same product. 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. Modern trends in technology and relevant issues in cogener. Optimized energy cogeneration application note in the. Development of biomass power generation in rural areas. It produces sugar and ethanol for the internal and external markets. The cogeneration of electricity in the sugar industry is linked to energy security and avoided greenhouse gas emissions.
Cogeneration operations can be improved by reducing moisture content at millingand also later using dryer. Study on cogeneration opportunities in sugar and paper industries in. The overall efficiency of energy use in cogeneration mode can be up to 85 per cent and above in some cases. One solution that continues to gain profits is to produce their own power using cogeneration.
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. 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. Thus, electricity production through cogeneration in sugar mills in india is an important avenue for supplying lowcost, nonconventional power. The global sugar industry has almost 120 producers, including the individual eu member states. First highpressure boiler turbogenerator in asean sugar industry.
Ppt case study on bagasse energy cogeneration in mauritius. India has more than 500 sugar manufacturing units which manufacture sugar from sugarcane. In a conventional power plant, fuel is burnt in a boiler to generate. Sugar industries need both electrical energy as well as stream thermal energy for their operation. 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 system is capable of monitoring the state of various facilities, including powersteam loads and the amount of steam produced by an ex. Abstractthe south african sugar industry produces sugar and electricity and raw materials for ethanol production among other byproducts. Bagassebased cogeneration potential in sugar mills is estimated to be 5000mw 4. An investigation on a cement industry is conducted and noticed that, industry requires 15 mw of power for running the plant. The book describes the most practicable processes for recovering energy in. Guyana bagasse cogeneration project english abstract. Also, thermal and electric energy are produced for the own factory consumption, using sugar cane bagasse as fuel in cogeneration plants.
Presently, india has around 206 cogeneration units with a cumulative installed exportable capacity of 3,123 mw peak season. It is also the principal sugarcane producer in the. Energy optimization system for cogeneration plant of paper. 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. 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 %. However, in crop year 20142015, the plantation area for sugar production declined to 416,893 hectares. Mauritius and reunion islands have implemented state of the art technology in bagasse energy cogeneration. This process has been taken further to a stage where sugar companies can export a substantial amount of energy to the grid.
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 combustion of bagasse also releases air pollutants. 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. Sugar cane industry overview and energy efficiency. In its 20 yearbook the international sugar organisation iso ranked south africa as the 18th largest sugar producer globally.
Sugar cane bagasse energy cogeneration lessons from mauritius. Using bagasse in power cogeneration free download as powerpoint presentation. Cane industry is a largeemployment generator right from cultivation, harvesting, transportation to sugar processing in india. 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. 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.
Kassiap deepchand technical manager mauritius sugar authority 1 case study on bagasse energy cogeneration in mauritius by dr. Pdf efficient cogeneration scheme for sugar industry. In this paper, using waste heat recovery systems and. Future energy transitions for bagasse cogeneration. The sugar cane industry represents one of the most important economic sectors in brazil.
National policy for power cogeneration by sugar industry. Under the light of climate change issues, such as long term energy. Cogeneration or combined generation of power and steam in the sugar industry simultaneously generates electricity and superheated steam by burning 4050% moisture content of. Sugar mills have the capacity to export about 100 kwhr power per ton cane. Sugar industries need both electrical energy as well as stream thermal energy for. The sugar cane containing minimum 30% fiber was referred as bagasse and used the generation of power required for the operation of sugar mill. Introduction of cogeneration system using bagasse in a. Performance assessment of 2500 tcd cogeneration plant. 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.
Development and installation of high pressure boilers for. 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. Sugar industry, cogeneration and distillery promotion policy, 20 introduction. 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. Sugar industry, cogeneration and distillery promotion policy. Bagasse, the byproduct of sugar cane processing, is used as the energy source in the sugar industry. 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. The study investigated the quantity of sugar cane processed and the possible. 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. Choosing of right type of cogeneration system would boost the industry s economics, provide energy in reliable way, improve environmental performance, etc. A cogeneration plant provides steam and electric power required for paper factories. Purchase cogeneration in the cane sugar industry, volume 12 1st edition.
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. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing in india. The potential for cogeneration in the sugar industry is estimated to over 5,000 mw. Realization of the first successful bagassepowered cogeneration. The first steam turbine used for power generation was invented in 1884. Overview of the sugarcane industry updated on march 2016 i. Further, as per kpmg analysis this potential will be approximately 9700 mw by 20175. A proposed model for bioelectricity cogeneration activities.
Cogeneration uses a single process to generate both electricity and usable heat or cooling. 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. Case study on bagasse energy cogeneration in mauritius by dr. 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. Energy management in the south african sugar industry.
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