New Delhi’s Tryst with Rubbish

Have you seen the several storeys high landfill in Delhi at its border with Uttar Pradesh – Gazipur, a prime land! It’s a mountain of garbage now. How does the garbage reach the landfill and what will happen when this place is all filled up? Does our food waste also contribute to our garbage mountains? May be we all […]

Solar Energy Around the World

The installation of new solar power has been increasing around the world every year. Some 15 countries, led by Bulgaria, Germany, Italy, Belgium and the Czech Republic, have been doing very well in terms of the most important measure, solar capacity per capita. Unfortunately, however, none of the five countries most responsible for CO2 emissions […]

Clean Energy in Germany

Germany is one of the world’s most prolific users of clean energy for power, heating, and transport. Germany has rapidly expanded the use of clean energy which now contributes almost one-fourth to the national energy mix. Renewable energy contribute as much as one-fourth of the primary energy mix and the country has set a goal […]

Cleantech Investment in Germany

Germany is the world’s third largest market for renewable energy investment which totalled $31billion in 2011. Sixty-five percent of investment in Germany was directed toward solar, with 29 percent ($8.5 billion) directed to wind. In addition, 700 MW of biomass capacity was added in 2011. Germany’s plan to phase out all 17 of its nuclear […]

Germany – A Renewable Energy Powerhouse

Germany has become known as a leader in the transition to renewable energy and away from fossil fuels and nuclear energy. On 30th April 2017, the country reached a new peak. It achieved a new renewable energy record by getting 85 percent of its energy from renewable sources including solar, wind, hydro and biomass. The […]

Ultrasound Activated AD of Sludge

Anaerobic digestion process comprises of four major steps – hydrolysis, acidogenesis, acetogenesis and methanogenesis. The biological hydrolysis is the rate limiting step and pretreatment of sludge by chemical, mechanical or thermal disintegration can improve the anaerobic digestion process. Ultrasonic disintegration is a method for breakup of microbial cells to extract intracellular material. Ultrasound activated sludge […]