China wraps up combustible ice mining trial, setting world records

China on Sunday completed a 60-day trial of mining gas hydrates, commonly known as combustible ice, in the South China Sea, marking breakthroughs in human’s search for alternative clean energy sources. Started from May 10, the mining operation in waters near the Pearl River estuary has beaten previous expectations and set world records in both the length and total amount of extraction, according to the China Geological Survey Bureau. The trial exploration produced over 300,000 cubic meters of gas – mainly methane, with an average daily extraction of more than 5,000 cubic meters of high purity gas, and a highest daily output of 35,000 cubic meters, said the bureau. Meanwhile, 6.47 million sets of experimental data were recorded. China declared its first success in collecting samples of combustible ice in the South China Sea on May 18, which usually exists in seabed or tundra […]

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