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fangjh

铜虫 (小有名气)

[交流] 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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fangjh

铜虫 (小有名气)

原文改为如下

黑液固形物中30%-35%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。国内外研究较多是将黑液经酸析提取木质素后,再制备活性炭。不足处在于制备工艺复杂,收率低。本文直接将黑液与椰壳粉末混合炭化,利用黑液中残碱和外加一定量的KOH共同活化制备活性炭。
3楼2010-06-30 00:05:02
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May2010

木虫 (著名写手)


wypward(金币+1):谢谢参与 2010-06-30 07:57:07
30% -35% of the black liquor paper producing are inorganic compound, mainly containing NaOH, Na2SO4, Na2S, Na2SiO3, Na2CO3, etc.. 65% -70% are organic compound, mainly containing lignin and residual cellulose, hemicellulose, and so on. Black liquor is always used to prepare activated carbon at home and abroad. However, the preparation of activated carbon is based on the extraction of lignin after acid separation out of black liquor. The preparation process is complex with low yield and high ash content of activated carbon, which is difficult in application. For better resource use and handling of black liquor, black liquor is directly used to prepare activated carbon. In this study, black liquor was directly mixed with the coconut residue, using the alkali black liquor residual as an activator and certain amount of KOH as additional activator, to prepare activated carbon.
人生能有几回搏?!
2楼2010-06-29 23:06:27
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fangjh

铜虫 (小有名气)

2楼评价

翻译的还不是很地道,可能跟原文语序不畅有关吧
4楼2010-06-30 00:07:26
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googlesea

木虫 (著名写手)

★ ★
zehuac(金币+1):谢谢参与了,呵呵 2010-06-30 14:38:19
发芽土豆(金币+1):谢谢参与 2010-06-30 14:48:32
fangjh(金币+5, 翻译EPI+1): 2010-07-02 09:13:43
30% -35% of the black liquor in papermaking(or pulping) is inorganic compounds, mainly containing NaOH, Na2SO4, Na2S, Na2SiO3, Na2CO3, etc.. 65% -70% are organic compounds, mainly containing lignin and residual cellulose, hemicellulose, and so on. Black liquor is always used to prepare activated carbon at home and abroad. However, the preparation of activated carbon is based on the extraction of lignin after acid separation out of black liquor. The preparation process is complex with low yield and high ash content of activated carbon, which is difficult in application. For better resource use and handling of black liquor, black liquor is directly used to prepare activated carbon. In this study, black liquor was directly mixed with the coconut residue, using the alkali black liquor residual as an activator and certain amount of KOH as additional activator, to prepare activated carbon.
6楼2010-06-30 05:17:01
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