Primary pulp sewage has been treated by intensified first level treatment reactor.
2
再生厕纸的支持者指出用原生纸浆造纸的耗水量比用再生纸多，而且再生纸能利用垃圾场中填埋的成吨废纸。
Advocates of recycled toilet paper point out that converting virgin pulp to toilet paper requires more water than recycled paper and makes use of the tons of already used paper that fills landfills.
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