Statistical modeling of steam generation for cogeneration in. In a cogeneration plant, very high efficiency levels, in the range of 75%90%. The crushing season of sugar industry ranges between 180 and 240 days in a year depending on the location, climatic factors and cultivation patterns in area. Some of the important ones in terms of industrial sectors or technologies are. Global trends in cogeneration of bagasse blogging hub. India sugar mills cogenerate their own requirements of steam and power while surplus is being sold to grid. Contribution of the sugar industry to belize world leaders in sugar rationale for cogeneration in belize brief project description challenges and benefits of the cogeneration project. Cogeneration is the concept of producing two forms of energy from one fuel. 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. Bagasse is the fibrous residue of cane stalk obtained after crushing and the extraction of juice. Bagasse is the leftover of the sugarcane after crushing and it can be utilized as a fuel after burning in the boiler of sugar mill or electricity can be generated by using organic renkine cycle.
Cogeneration is the simultaneous generation of electrical power and thermal energy through a single fuel. The power generated by an integrated sugar mill is partially captively consumed and remaining is exported. 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 %. Plants established in recent times are all integrated complexes. The global sugar industry has almost 120 producers, including the individual eu member states. 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. Cogeneration or combined heat and power chp systems are used to simultaneously generate both electricity and heat energy from a single fuel source such as natural gas, biomass, wood, coal, waste heat, or oil. Cogeneration in the cane sugar industry, volume 12 1st.
In the past two decades after the introduction of cogeneration, most of the sugar units have opted for it and the. 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. 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. Data from real sugar factories usinas cruz alta, guarani and santa isabel located at the state of sao paulo brazil were used for the process analysis. Currently, the sugar industry has been participating in power cogeneration projects. One of the forms of energy must always be heat and the other may be electrical or mechanical energy.
Juice extraction plant jep the juice extraction plant in a cane sugar factory primarily consists of sugarcane unloading, conveying, cane preparation and. Sugar series cogeneration in the cane sugar industry. The cogeneration of electricity in the sugar industry is linked to energy security and avoided greenhouse. Widening the coverage of pat scheme sectoral manual. Out of 10 mn tons of sugar produced in up, only rd is consumed by the state and remaining is sold out of up, mainly to kolkata and north eastern market. Up sugar industry accounts for more than 25% of indian sugar production and is mainly comprised of private mills.
Considering the fact that pakistan is among the worlds top10 sugarcane producers, the potential of generating electricity from bagasse is huge. Rising energy prices is expected to remain a key driving factor for cogeneration equipment market growth. Mauritius and reunion islands have implemented state of the art technology in bagasse energy cogeneration. Rising critical emission of air pollutants from renewable. Using bagasse in power cogeneration sugarcane cogeneration. Sugar can be produced from sugarcane, sugar beat or any other crop having sugar content. The overall efficiency of energy use in cogeneration mode can be up to 85 per cent and above in some cases. The potential for cogeneration in the sugar industry is estimated to over 5,000 mw.
From sugar industry sugar industry is identified as one such nonconventional energy source because it uses renewable sugar cane crop as the raw material, which gives capital fuel bagasse with appreciable calorific value. Sugar cane industry overview and energy efficiency. In the sugarcane industry, cogeneration is fuelled by the bagasse residue of sugar refining, which is burned to produce steam. The role of cogeneration in the sugar industry is to generate electricity from the steam produced in the sugar mill in order to meet their onsite needs as well as to export the surplus to the national grid. This has created a new surge of interest among the sugar mills for surplus power generation during the crushing season using bagasse. Karnataka in 2014 stands 3rd in cane crushing, cane recovery and 3rd in sugar production in india. Almost all the sugar mills in pakistan have inhouse plants for cogeneration but they are inefficient in the consumption of bagasse. Sugar industries need both electrical energy as well as stream thermal energy for their operation. Less importance is given to energy efficiency in sugar industries as most of them are running cogeneration plants. This bagasse can be used as a fuel for the boilers employed in steam raising for the process use and cogeneration. The cogeneration of electricity in the sugar industry is linked to energy security and avoided greenhouse gas emissions.
Biomass feedstock and cogeneration in the sugar industry of jamaica lml final report dec. The phd project focuses on assessing the possibilities of employing the concept of polygeneration with the aim of improving the energy efficiency of the sugar mills thereby increasing the services from it. Later under the british plantation system the island became the major producer and leading exporter of sugar in the world. In the past two decades after the introduction of cogeneration, most of the sugar. Sugar cane bagasse energy cogeneration lessons from mauritius. India has more than 500 sugar manufacturing units which manufacture sugar from sugarcane. There are nearly 500 sugar factories in india along with around 300 molasses based alcohol distilleries 4.
This literature survey document is part of the phd project which focuses on the concept of polygeneration in sugar cane industry. Bagasse energy cogeneration potential in the zimbabwean sugar. Cogeneration cogeneration is the concept of producing two forms of energy from one fuel. Present work is a case study on sugar industry and economics is worked out for advanced. Statistical modeling of steam generation for cogeneration.
The command area of the proposed sugar mill has adequate irrigation facilities, potential for. Review on performance evaluation of sugar industry through. In this case study on sugar industry, economics is worked out for advanced cogeneration power system. Pdf present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. Emerging businesses like fuel ethanol and structural changes globally including the. Performance assessment of 2500 tcd cogeneration plant. Indias sugar industry has potential to export 7500 mw power, and total installed. Chapter 5 industrial, commercial, and rural cogeneration opportunities industrial cogeneration large amounts of fuel are used to produce ther mal energy for u.
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. South africa further ranked as the 11th largest exporter globally. Indian sugar industry has to improve the revenue by value addition to the by product. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond. Using bagasse in power cogeneration free download as powerpoint presentation. Bagassebased cogeneration potential in sugar mills is estimated. Some steam can be sent through a turbine that turns a generator, producing electric power. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing. 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.
The cogeneration principle has been used in cuba since the very beginning of the 20th century. 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. The conditions in india demand sugar industries to generate and sell the electricity. Abstractthe south african sugar industry produces sugar and electricity and raw materials for ethanol production among other byproducts. The beaufonds mill will be shutdown at the end of the 1995 sugarcane processing period, leaving the other two to handle the islands entire sugarcane production. The production process supplies the fuel sugarcane bagasse for the cogeneration system which in its turn provides thermal and electric energy for it.
Indian sugar industry is a critical industry, as on one hand it services the domestic market, the largest in the world and on the other hand, it supports 50 million farmers and their families. 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. In the past two decades after the introduction of cogeneration, most of the sugar units. Scribd is the worlds largest social reading and publishing site.
This replacement can aid increase of power to gird, resulting in additional revenue for sugar plant. Indias sugar industry has potential to export 7500 mw power, and total installed cogeneration. Chapter 5 industrial, commercial, and rural cogeneration. Major processes involved in a sugar mill the units employed in a sugar mill are. Cogeneration or combined generation of power and steam in the sugar industry simultaneously generates electricity and superheated steam by burning 4050% moisture content of. The indian sugar industry has massive potential for the cogeneration of electrical power. But in india, sugarcane is the main source of sugar. The sugar manufacturing process generates bagasse as a byproduct from cane. Sugar industry consumes a considerable amount of energy for production of sugar. 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. Case combined heat and power and ethanol from sugar. Cogeneration in the cane sugar industry, volume 12 1st edition.
Choosing of right type of cogeneration system would boost the industrys economics, provide energy in reliable way, improve environmental performance, etc. 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. The study estimated the potential for extra power generation in the sugar industry of gujarat and maharashtra as. Energy management in the south african sugar industry. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing in india. Sugar industry by and large is self sufficient in own fuel and power and it is the only industry which. 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.
Pdf efficient cogeneration scheme for sugar industry. Sugar mills have the capacity to export about 100 kwhr power per ton cane. Life cycle assessment of the cogeneration processes in the. Types of cogeneration all types of cogeneration systems should be taken up. Modern trends in technology and relevant issues in cogener. This literature survey is part of a phd project that focuses on polygeneration in sugar cane industry. The integrated project comprises of a sugar mill for the manufacture of high quality sugar, thereby making available required bagasse for the cogen power plant and molasses which can be sold in open market. Choosing of right type of cogeneration system would boost the industry s economics, provide energy in reliable way, improve environmental performance, etc. Purchase cogeneration in the cane sugar industry, volume 12 1st edition. Cane industry is a largeemployment generator right from cultivation, harvesting, transportation to sugar processing in india. Cogeneration of power in the sugar industry is an important source of revenue. The successful operation of four full fledged cogeneration plants in tamil nadu and a few more in other. Chapfer vi a case study of cogeneration potential in the sugar industry 6. In this case, kwh per day is the functional unit established for the comparison of the different cogeneration systems.
It produces sugar and ethanol for the internal and external markets. Bagasse and blended biomass cogeneration advances in the. Byproducts of sugar industry cogeneration 1 tonne of sugar can produce 300 kg of bagasse which can be converted to kwh of power. Energy cogeneration in sugarcane industries located in brazil is a practice that has been growing in last years. The cogeneration system suitable to one industry would not be found suitable for another industry, though both would be manufacturing the same product. Present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. 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. Bagasse cogeneration is also the basis of power generation efficiency in cubas sugar industry. Cogeneration equipment market size global industry report, 2025. Development of biomass power generation in rural areas. But the awareness on energy efficiency in sugar industries in india is still low as compared to that in developed countries. The sugar cane industry represents one of the most important economic sectors in brazil.
Cogeneration operations can be improved by reducing moisture content at millingand also. The industry achieved its highest level of production in. By replacing low efficiency mill turbines with hydraulic drives and dc motors, cogeneration power increases in sugar mill to operate at high efficiency 6570%. In its 20 yearbook the international sugar organisation iso ranked south africa as the 18th largest sugar producer globally.
In recent years, bagasse has become one of the most important biomass energy sources in the sugar processing industry, through cogeneration power technology. Pdf cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing in india. Sugar cane industry overview and energy efficiency considerations. Themain constraints for implementation are high capital costs, fuel availability forcontinues operation throughout the year, government approvals and power trading. Belize presentation cogeneration energy development. The cogeneration of steam and electricity has become the norm in the sugarcane industry worldwide. Bagasse based cogeneration in sugar industry indian sugar industry has to improve the revenue by value addition to the by product. Also, thermal and electric energy are produced for the own factory consumption, using sugar cane bagasse as fuel in cogeneration plants. Different indices used to gauge the thermodynamic performance of cogeneration plants and facilitate the comparison of alternative systems are discussed. Bagasse energy cogeneration potential in the zimbabwean. Market studies 1 have indicated that an additional power of 3500 mw can be generated through the use of cogeneration in the sugar industry. It is the second largest agro based industry in india. Burning bagasse also removes a waste product through its use as a feedstock for the electrical generators and steam turbines. In a conventional power plant, fuel is burnt in a boiler to generate.
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