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Here's a Daily Times report on converting waste to electricity:
National Industrial Parks (NIP) Development and Management Company has decided to establish a 25 megawatt (MW) power generation plant based on municipal and agro waste besides local coal or combination of these fuels for the electricity requirement of the industries at the Rachna Industrial Park on the main Lahore-Sheikhupura Road.
The Rachna Power Plant will be the first-ever power unit to be developed on the basis of waste as a source of energy. The plant’s primary fuel will be Refused Derive Fuel (RDF) prepared from a mixture of municipal solid wastes and agro wastes, while the coal would be used as a backup fuel.
The technology of an integrated recovery of recyclable materials and production of the refused derive fuel will be adopted for this power plant.
The concept of the modern waste to energy plant has been proposed for the Rachna Power Plant, which is very different from the old incinerators due to the technological progress of the last decade.
Chief Executive Officer Mohsin Syed at NIP meeting in which investors of the Rechna Industrial Park were also present said the municipal solid waste of Lahore and surrounding area and the agro wastes, which including rice husk, corn and wood waste of the adjoining areas would be collected and transported to recycle it into a real fuel that could be easily stored, transported and efficiently burned at the plant site within the premises of the Rachna Industrial Park.
He said the power generation complex was proposed to consist of one unit of 6 MW and two units of 11 MW each with total gross capacity of the 28 MW and the net capacity at site would be 25.5 MW to provide operational flexibility and reliability in case of shut down of one or more units.
The power generation facility would be located within the premises of the Rachna Industrial Park located at 7.5 kilometers (km) Lahore-Sheikhupura Road on the Upper Chenab Canal. The site is at the distance of 18 km from the
Lahore-Shekhupura Motorway Interchange, 24 km from the Lahore city centre and 40 km from the Allama Iqbal International Airport Lahore and an area of 10 acres has already been earmarked for the power generation complex at the Rachna Industrial Park, the NIP chief explained.
The aim of the Rachna power project is to reduce pollution, preserve the fossil fuel, reduce the greenhouse gases and protect the ozone layer by utilizing the wastes collected from the cities of Lahore, Sheikhupura and surrounding areas for power generation, he said. For environmental standpoint, the Rachna Power Plant will be highly desirable.
The project will be designed on the basis of zero discharge by installing an on-site evaporation pond and air emission from the plant would meet quality standards prevailing anywhere in the world. Emission will be much lower than the World Bank’s guidelines due to the use of Circulating Fluidised Bed combustion with lime dosing to neutralise any SO2 emission. Socially, the project will be providing job opportunities to the people of the area, he concluded.
http://www.dailytimes.com.pk/default.asp?page=2013\03\16\story_16-3-2013_pg5_9
Here's Bloomberg story on power plant burning waste to produce electricity:
Swiss Water Tech Research & Development SA, a green-technology developer, said it’s in line to win about $200 million of contracts in Pakistan to supply clean-power plants that run on waste.
The Neuchatel, Switzerland-based company received a letter of intent from the Punjab state government and will provide the technology for a 100-megawatt project, Chief Operational Operator Ralph Hofmeier said in an interview. Swiss Water is also in talks with private companies for a similar amount of capacity that includes agreements last week with three firms for 17 megawatts.
The plants could run on liquid or solid waste to generate power more cheaply than coal, solar or wind projects, Hofmeier said in Karachi without elaborating. The company is seeking funds from Habib Bank Ltd. that would be backed by a sovereign guarantee from the Pakistan government, he said on Nov. 26.
Swiss Water officials in Pakistan last week signed a memorandum of understanding, Memoona Arslan, communications manager at state-owned Lahore Waste Management Co., said by phone from Lahore. Four thousand tons of solid waste will be needed to produce the 100 megawatts, Arslan said.
The payback period for such investments can be as short as 15 months, according to Hofmeier. A 100-megawatt plant in the U.S., where consumption rates differ from Pakistan, can power about 80,000 average homes, according to electric data.
Pakistan is the sixth-most populous nation with about 200 million residents. The country can suffer power, light and fan outages in some areas of up to 18 hours a day during summer months. Blackouts have sparked violent protests and affected a textile industry that accounts for 54 percent of exports.
Water contamination is such in the country that 15.9 million people, more than Ecuador’s population, lack access to safe drinking water, according to Ehsan Malik, chairman of Unilever Pakistan Ltd. Infectious water-borne diseases in Pakistan are a leading cause of infant deaths from diarrhea, the chief executive said last month.
http://www.bloomberg.com/news/2013-12-03/swiss-water-planning-200-m...
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