To improve bioenergy, methane, production in the anaerobic digestion plant application, the effects of recycled liquid digestate on anaerobic digestion of pig manure were investigated. Two continuous stirred tank reactors were operated for 230 days with varying organic loading rates (OLRs, from 1.5 to 6 g VS L 1 d 1); one reactor was implemented with liquid digestate recirculation and the other was set as the control without recirculation. It was demonstrated that the recirculation operation improved methane production and system fermentation stability, particularly for OLRs below 5 g VS L 1 d 1.

The ‘Project Titan’ team is currently under the leadership of Bob Mansfield, and Apple is said to now be investing heavily into the study of machine learning and automation software. The iPhone maker joins a long list of carmakers, start ups and technology rivals, including Alphabet’s Waymo that are testing cars on state roads. Apple is looking for new hit products and autonomous car technology is expected to revolutionize the traditional auto industry..

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Studies of coral reefs in the Paracel Islands suggest that the South China Sea started warming up in 1825, at the start of the industrial revolution, according to a study by Chinese scientists. That was the year the world’s first railway began operating in England and most ocean going ships still used wind power. The Paracel coral record “will fill in some important gaps in global high resolution marine environment records and help us better understand the history of environmental change in tropical waters”, said the researchers, led by Tao Shichen from the South China Sea Institute of Oceanology.

In August Beitler dropped the lawsuit, and a $600,000 payment to Beitler was negotiated that would have made it clear the city has the right to build and own the podium. The payment has to be approved by the Common Council through passage of a resolution. The initial resolution to provide the payment failed, as did a revised resolution that would have made the $600,000 payment, but enabled the city to save $700,000 on other costs related to the project.