| Topic : bio-power generation techniques |
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Activity:
188 views;
last activity : 07 06 2010 20:18:09 +0000
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Recovery
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Bagasse
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Recovery of metals
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Reverse osmosis and Electro-dialysis
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Burning Solid waste and Gasification of Agro Waste and Anerobic Digestion...
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waste-to-energy plants based on combustion technologies are highly efficient power plants that utilize municipal solid waste as their fuel rather than coal, oil or natural gas. Far better than expending energy to explore, recover, process and transport the fuel from some distant source, waste-to-energy plants find value in what others consider garbage. Waste-to-energy plants recover the thermal energy contained in the trash in highly efficient boilers that generate steam that can then be sold directly to industrial customers, or used on-site to drive turbines for electricity production
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Yes , This is excellent system . One should take up for carbon credit for such power generation ,as it saves carbon reserve.
Yes , amit this is the future energy, as fuel energy cost is rising, so it is a good option too,
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I support the above views. There is a waste (resource? this word seems more appropriate) to energy plant in Hyderabad in India of 6.6MW capacity using approximately 300-500 MT of waste to generate energy. It is also connected to the AP State Electricity Grid. There seems more scope for improving the technologies to enhance the efficiency of the RDF plant. To utilize the total solid waste (resource) produced in the country is the greatest challenge before us.Perhaps the Govt. people also need to change their attitudes in relation to managing the SWM projects, RDF projects etc. since the usual benefit/cost analysis does not take into account the environmental costs.
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A sugar factory produces nearly 30% of bagasse out of its total crushing, sugar cane industry produces large volumes of bagasse each year.
Bagasse is potentially a major source of biomass energy as it can be
used as boiler feedstock to generate steam for process heat and
electricity production. Most sugar cane mills utilise bagasse to
produce electricity for their own needs but some sugar mills are able
to export substantial amount of electricity to the grid.
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It is wonderful idea if power from Bagasse can be exported to Grid,i.e making wealth from waste,a carbon credit also.
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The recovery of ferrous and non-ferrous metals from waste-to-energy plants for recycling is strong and growing each year. In addition, numerous studies have determined that waste-to-energy plants actually reduce the amount of greenhouse gases that enter the atmosphere.
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I fully agree to the same and already took part in such activities at Barabil ,Orissa and Byrnihat, Meghalaya. But I feel still many waste gases are escaping to atmosphere which also can be utilised after some investments, for generation of more steam and extracting more power , i.e more credit of carbon and reduction of global warming.
I entirely agree with you in that fresh mining definitely involves more energy to extract the ferrous or non-ferrous metals. Further, they are the supposed waste(or more appropriately resource?) metals which can easily be recycled into another productive purpose. I think we should definitely support this idea.
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In most part of the world safe and clean drinking water is unavailable for daily consumption and industrial use. Currently to desalinate water two kinds of technologies are being used. First is known as reverse osmosis and the second is electro-dialysis. Both of these processes need huge amount of energy. |
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Waste to Energy has several ways of Electricity Generation: 1. SOLID WASTE-----STEAM ------POWER THRU STEAM TURBINE:  This can be seen in many Inds like Sugar where Baggase is used in High Pressure Boiler and then Power Generated from Steam Turbine... Even Rice mills having Ample quantity of Rice husk can go for such Power generation projects.....  This can be done with Briquettes made of Agro waste such as Coconut shells, Bagggase, Rice husk & any other type of Agro waste available in the vicinity of power generating plant.. 2. SOLID WASTE------ PRODUCER GAS ------ POWER AND HEAT THRU CHP ENGINE Second way of Power generation can be thru Gasification mode... The waste Briquettes available can be used in Gasifiers to generate Producer gas and this Gas to be used for Power generation thru CHP engines which Technically offers TWO outputs of Energy i.e. Electricity as well Heat.... 3. SOLID WASTE----- BIO GAS ------- POWER AND HEAT THEU CHP ENGINE    The Best example of this type is Cow Dung based Power generation... any Sold waste which is Bio degradable or can be degraded thru Anerobic Digestion can be used for Generation of Power. The Intermittant gas produced from Digester is called Bio gas and has excellant capacity to generate Power. These projects also attracts huge MNRE Subsidies..... The cost of Power is also very Low..... other examples can be Land filled Bio Gas and Gas from ETP (Effeluent Treatment plants) in Industries having high BOD and COD Values... |
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This is something new .. In bangalore people will receive an sms before the power cut so that... |
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1656 referals
46 arguments,
463 views
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341 referals
13 votes,
442 views
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11 referals
15 arguments,
946 views
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Please give out every possible logical and rational idea which is practical in present context. |
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81 referals
5 votes,
130 views
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Nice insight Varsha, some good points made there, which will surely help a lot...thanks for sharing. |
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