For water extracting process, the guideline is the oil rate and the total quantity of baicalin contained and orthogonal design was used to optimize the best.

水提取工艺以出膏率、黄芩苷含量为考察指标，采用正交设计法对其提取工艺条件进行优选。

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Extracting aluminum oxide from fly ash and circulating waste gas, waste water and residue is a new process of comprehensive utilization of fly ash with high extra profit and low pollution.

从粉煤灰中提取氧化铝，并作废气、废液和废渣循环及利用，是一种粉煤灰高附加值、低污染的综合利用新工艺。

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Finally, it emphasize the lower extracting process of fermentation, and decrease the amount of water.

强化下游分离提取过程，减少废水量。

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The process involves extracting gas from rocks by pumping in sand, water and chemicals.

BBC: Gas-fired power stations to be encouraged by government