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In order to reduce exhaust of hard particles, electric precipitator will be provided, capable of capturing 99.
The bulletin dealt mainly with the modification of one battery of condensation-and-recovery system of Fushun retorting unit, with the addition of an electric precipitator to increase shale oil yield by 10% and the utilization of an indirect cooler instead of direct scrubbing for saving fresh water; the build-up and commissioning of Gansu Yiaojie shale oil plant; the development of oil shale circulating fluidized-bed boilers for power generation designed by Northeast Dianli University in China.

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