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Sand Washed Yaojie

The produced shale oil was acid and alkaline washed and hydrotreated for producing light liquid fuels. In 1961 China was producing one third of its total oil production from oil shale. In Maoming Guangdong Province a new oil shale retorting plant with 64 retorts was put into operation in 1963.

HeNan MINING Heavy Industries Co., Ltd.

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