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fangjh

铜虫 (小有名气)

[求助] 求高手翻译下面这段话

造纸黑液中30%-35%左右为无机物,主要为NaOH、Na2SO4、Na2S、Na2SiO3、Na2CO3等,65%-70%为有机物,主要为木质素,以及残留的纤维素、半纤维素等。利用造纸黑液制备活性炭国内外研究比较多,但都是利用造纸黑液经酸析提取木质素后,再制备活性炭。但是其制备工艺复杂,收率低,所制备的活性炭灰分高,应用困难。从资源利用和黑液处理来说,最好是将黑液直接用于制备活性炭。本实验直接将造纸黑液与椰壳渣混合,以造纸黑液中残碱为活化剂,再补充一定量的活化剂KOH,制备活性炭。
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Tina9201

金虫 (著名写手)

【答案】应助回帖

★
wypward(金币+1):谢谢参与 2010-06-30 14:44:51
第一句:There is about  30% -35%  inorganic substance in black liquor , mainly NaOH, Na2SO4, Na2S, Na2SiO3, Na2CO3, etc.,and 65% -70%  organic substance, mainly lignin and residual cellulose, hemicellulose and so on.
2楼2010-06-30 12:10:03
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liyanli325

金虫 (小有名气)

【答案】应助回帖

★
zehuac(金币+1):谢谢参与哈 2010-07-01 08:22:47
30%-35% of the black liquor is inorganic,mainly NaOH, Na2SO4, Na2S, Na2SiO3, Na2CO3, etc.,and remaining is organic,mainly lignin and residual cellulose, hemicellulose and so on. The research based on preparation of active carbon  by using black liquor is more popular aboard and home,but,
3楼2010-06-30 21:17:50
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