但是现在，只有很少的美国牛奶场配置了厌氧消化器。

Currently, only a small percentage of U.S. dairies are equipped with anaerobic digesters.

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本文介绍应用上流式厌氧消化器，将造纸和糠醛车间排出的高浓度有机废液——造纸黑液和糠醛废水经中和处理后，进行废水一级处理。

The primary treatment of the paper mill black liquor and furol after neutralizing treatment by the upflow anaerobic digester is introduced in this paper.

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对此，维尔萨克认为厌氧消化器的数量会不断增加，而数量的提高能利好美国农业部，他们有望在2020年达到减少国内25%的温室气体排放的目标。

Vilsack said this number will increase, to help the USDA meet its goal of reducing 25 percent of its greenhouse gas emissions by 2020. As Vilsack noted at a recent climate meeting.

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