Cogeneration and small power production semiannual report. 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. 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. Evaluation of new process options for cogeneration in the. Internal combustion cogeneration systems use an engine similar to an automobile engine. Since, the sugar mills in india consume their own bagasse to run their mills during the season and generate steam to run the boilers and turbines. 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. Cogeneration using bagasse and fuelwood in the jamaican. Optimized energy cogeneration application note in the. Abstractthe south african sugar industry produces sugar and electricity and raw materials for ethanol production among other byproducts. Mills are made up of a range of industrial plant such as boilers, storage and. The industry is inherently inclusive supporting over 50 million farmers and their families, along with workers and entrepreneurs of almost 500 mills, apart from a host of wholesalers and distributors spread across the country. National policy for power cogeneration by sugar industry. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond.
Renewable energy electricity from sugar cane fibre in south africa and region nersa consultation paper cogeneration regulatory rules and cofit public hearing pretoria 3 may 2011 wolfgang fechter 032 4394304 083 2656628 wolfgang. Energy management in the south african sugar industry. In recent years, bagasse has become one of the most important biomass energy sources in the sugar processing industry, through cogeneration power technology. The efficient application of biomass cogeneration, to produce heat and electrical energy for internal processing and nonprocess demands for 85% of the year, and the production of surplus electricity for exportation to the grid, is the natural trajectory. A very positive development for promotion of cogeneration is the formation of cogeneration association of india, known as cogen india. Sugar industry, cogeneration and distillery promotion. Global trends in cogeneration of bagasse blogging hub. The plant is also reducing queenslands greenhouse gas emissions by 200,000 tonnes equivalent carbon dioxide co2e each year. 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. The purpose of this paper is to analyze the steam demand reduction on sugar and ethanol process and alternatives for cogeneration systems in sugarcane plants, aiming at the surplus electricity. In this case, renewable digester gas is used as the energy source instead of. The cogeneration of electricity in the sugar industry is linked to energy security and avoided greenhouse.
Efficient cogeneration scheme for sugar industry nopr. Kassiap deepchand technical manager mauritius sugar authority 2 content of presentation. The form i contains details regarding nearby land use, resources, process, pollution control, aesthetics, risk involved, consequent developments and environmental sensitive issues. 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. 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. 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. Rising critical emission of air pollutants from renewable. Cogeneration provides a wide range of technologies for application in various domains of economic activities.
Gas engine industrial cogeneration systems can provide significant financial savings on fuel costs used to provide electricity and heat. Agroindustries have the potential to catalyse energy access and promote development. An investment appraisal of cogeneration of electricity. The cogeneration of power and heat at west point uses internal combustion engines. Industrial cogeneration through combined heat and power. Burning bagasse also removes a waste product through its use as a feedstock for the electrical generators and steam turbines. Sugar industries need both electrical energy as well as stream thermal energy for. 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.
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. Cogeneration in the cane sugar industry, volume 12 1st. 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. The sugar cane containing minimum 30% fiber was referred as bagasse and used the generation of power required for the operation of sugar mill. Kassiap deepchand technical manager mauritius sugar authority 1 case study on bagasse energy cogeneration in mauritius by dr. It is also the principal sugarcane producer in the country in which sugarcane. Cogen india provides a platform for bringing together all concerned, in any manner, including cogenerators, power utilities, users of electricity, state central government ministries, departments and other bodies, suppliers of equipment. Gas engines based cogeneration, or combined heat and power chp, offers a range of potential benefits to industrial applications. Cane industry is a large employment generator right from cultivation, harvesting, transportation to sugar processing. Sugar mill chosen is a unit of tamil nadu sugarcane. Overview of the sugarcane industry updated on march 2016 i. In this case study on sugar industry, economics is worked out for advanced cogeneration power system.
One of the forms of energy must always be heat and the other may be electrical or mechanical energy. Cogeneration cogeneration is the concept of producing two forms of energy from one fuel. Alper chemical engineering department, hacettepe university, ankara, turkey. India has more than 500 sugar manufacturing units which manufacture sugar from sugarcane. 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. The analysis is carried out for a wide range of steam inlet conditions selected around the sugar industrys export cogeneration plant. But in india, sugarcane is the main source of sugar. Rising energy prices is expected to remain a key driving factor for cogeneration equipment market growth. 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. Sugar industries need both electrical energy as well as stream thermal energy for their operation. Sugar can be produced from sugarcane, sugarbeat or any other crop having sugar content.
Bagasse based cogeneration in sugar industry indian sugar industry has to improve the revenue by value addition to the by product. The cane plant is probably the most efficient utilizer of sun energy for food. Sugar industry, cogeneration and distillery promotion policy, 20 introduction. Cane industry is a largeemployment generator right from cultivation, harvesting, transportation to sugar processing in india. The bagasse is fired in the boiler for producing steam at high pressure, which is extracted through various single high. The purpose of this paper is to analyze the steam demand reduction on sugar and ethanol process and alternatives for cogeneration systems in. Cogeneration in the cane sugar industry, volume 12 1st edition. The analysis is carried out for a wide range of steam inlet conditions selected around the sugar industry s export cogeneration plant. Sugar mills have the capacity to export about 100 kwhr power per ton cane. Energy cogeneration in sugarcane industries located in brazil is a practice that has been growing in last years. Performance assessment of 2500 tcd cogeneration plant. 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. How do we create green energy the cogeneration process. Development and installation of high pressure boilers for.
However, in crop year 20142015, the plantation area for sugar production declined to 416,893 hectares. Modern trends in technology and relevant issues in cogener. Indias sugar industry com petes with brazil for being the largest in the world and has the potential of contributing 5000 mw to the countrys electricity grid ministry. By definition, cogeneration is the simultaneous generation of electrical and thermal energy normally steam, in an industrial site by the sequential use of energy.
An investment appraisal of cogeneration of electricity using bagasse samuel ajeigbe owolabi submitted to the institute of graduate studies and research in partial fulfillment of the requirements for the degree of master of science in banking and finance eastern mediterranean university may 20 gazima. Cogeneration in the sugarcane industry request pdf. Cogeneration operations can be improved by reducing moisture content at. Sugar series cogeneration in the cane sugar industry. 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. Cogeneration is the simultaneous generation of electrical power and thermal energy through a single fuel. In the sugarcane industry, cogeneration is fuelled by the bagasse residue of sugar refining, which is burned to produce steam. Different indices used to gauge the thermodynamic performance of cogeneration plants and facilitate the comparison of alternative systems are discussed. The combustion of bagasse also releases air pollutants. Cogeneration equipment market size global industry. The overall efficiency of energy use in cogeneration mode can be up to 85 per cent and above in some cases. Besides, sugar production process, the concept of cogeneration in the context of sugar industries, energy efficiency improvement concepts in sugar mills and. Sugar mill safety supplement to the sugar industry code of practice 2005 pn11197 page 8 of 52 2. 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.
Future energy transitions for bagasse cogeneration. Case study on bagasse energy cogeneration in mauritius by dr. 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. Renewable energy electricity from sugar cane fibre in. Integrating a cogeneration system in food process manufacturing w.
Wongrat department of food engineering, faculty of engineering at kampheang saen, kasetsart university, kamphaeng saen campus, 73140, thailand o. Different options for increasing the electricity generation in the sugar mills by using more advanced steam process and combined cycle technology, using cane trash and bagasse as a fuel for has been analyzed. Present work is a case study on sugar industry and economics is worked out for advanced cogeneration power system. Bagassebased cogeneration potential in sugar mills is estimated. Themain constraints for implementation are high capital costs, fuel availability forcontinues operation throughout the year, government approvals and power trading. The sugar cane industries in the developing countries are targets for near termapplications of this technology. Bagasse when burned in quantity produces sufficient heat energy to supply all the needs of a typical sugar mill, with enough energy to spare. Some steam can be sent through a turbine that turns a generator, producing electric power. 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. The book describes the most practicable processes for recovering energy in the form of process steam and electricity.
The indian sugar industry is a key driver of rural development, supporting indias economic growth. Their aim is to achieve selfsufficiency in energy consumption. The working days in a year for sugar will be 180 days and for co. Sugar manufacturing operations a sugar mill is a large factory used to produce raw sugar and other products from sugar cane. Barriers to sugar mill cogeneration in india goldman school of.
851 439 32 392 1446 460 1045 445 343 415 726 60 1374 66 123 1028 1474 594 1356 214 483 658 1451 1235 566 280 984 1005 87 1488 576 116 734 94 1124