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solar drying

USA: Concentrated Solar Thermal for Biosolid Drying

Submitted by Baerbel Epp on November 9, 2017
RackamSince the summer, two parabolic trough collectors have been drying sludge at a waste water treatment plant in Surprise in the state of Arizona, USA. The test project was developed by US-based Heat2Hydro to evaluate the effectiveness of this solution. The objective is to reduce the water content of the sludge and make it easier to transport. The municipality aims at expanding solar drying capacity to 5 MW thermal in about two years.
Photo: Heat2Hydro/Rackam

India: Solar Drying System with Vacuum Tubes Pays off within the First Year

Submitted by Baerbel Epp on August 28, 2013

Indian company ACME Jelly Products has been successfully showcasing the use of solar thermal dehydration systems of agro-products since October 2011. The company, which is located near Ahmedabad in Gujarat state in western India, is one of the rare Indian examples of vacuum tube collector projects that use metal heat pipes filled with glycol-supplying, water-based fan coil units. After two years in operation, the owner of ACME, Jaykishan Parmar, has confirmed that the system paid off within the first year because dried vegetables are sold at a much higher price than fresh ones.
Photo: Malaviya Solar Energy Consultancy.

Solar Thermal Energy Technologies for Industrial Applications - India’s Experience (2008)

Submitted by Raquel Ponte Costa on May 7, 2012

Presented by Shirish Garud (The Energy Resources Institute) at the 2008 Global Renewable Energy Forum in Brazil, this presentation outlines the potential of solar thermal technologies for industrial applications in India.

RE Practices in Pakistan – Solar Thermal Technologies (2009)

Submitted by Raquel Ponte Costa on May 7, 2012

This document lists the different solar thermal technologies and technology providers available in Pakistan. The technologies include solar water heaters, dryers, and cookers. Information about the components, usage, and application of each technology is given; alongside contact details for the company from which it can be purchased.

Pakistan's solar thermal technology providers are also listed, with details given about their business type, product type, services types and contact details. Eighty-nine providers are listed in total.

Author: Practical Action

Solar Energy for Food Security in West Africa (2009)

Submitted by Raquel Ponte Costa on May 14, 2010

This document compiles different posters that were presented during the International Solar Food Processing Conference that took place in India in January 2009.

The posters refer the importance of using renewable energy sources, notably solar, for sustainable local economic development purposes, by demonstrating the efficiency of such systems in different areas: food processing, dying, cooking and preservation.

Different case studies are presented in Burkina Faso, Portugal, Chile and India.


Solar Thermal in China (2002)

Submitted by Raquel Ponte Costa on September 1, 2009

This document of the Zhejiang Energy Research Institute, from 2002, provides an overview of the evolution of solar thermal use in China, since its start in early 50s until recent days, emphasising the resolutions of both the 2000-2015 Development Plan and the five -year Plan for the New and Renewable Energy Industry Development of China.

Ambitious Plans for Solar Thermal Technology in India

Submitted by Baerbel Epp on December 1, 2008

vacuum tubes in IndiaThe Indian market of vacuum tube collectors is picking up pace: Several manufacturers of flat plate collectors have started importing tube collectors from China. So far, they possess a market share of 10 to 15 %. Photo: Sudarshan Saur

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