The active carbon layer is a coconut husk granule active carbon layer.

该活性炭层为椰壳颗粒活性炭层。

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The granule active carbon (GAC) -sand media is superior to sand media and anthracite-sand media, and the backwashing water with residual chlorine will do harm to the operation of the biofiltration.

颗粒活性炭-石英砂双层滤料组合要优于石英砂单层滤料和无烟煤-石英砂双层滤料，加氯水反冲洗不利于生物滤池的运行。

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This paper discussed one new way to treat exhaust gas in test equipment. Firstly wipe off the solid granule of exhaust gas by gravity sedimentation chamber, then absorb the gas of HF by active carbon.

介绍了一种装置尾气处理的新工艺，即用重力沉降室除去尾气中的固体颗粒物，再用活性炭吸附处理尾气中的HF气体。

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