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dispersed dye waste
相关语句
  分散染料废水
     Treatment of wastewater containing reactive dye with MgCl_2 yielded an optimum color removal ratio when pH value of solution is equal to or above 12.5. MgCl_2 produced excellent decolorization effect for dispersed dye waste in ba-sic aqueous medium(pH≥12.0).
     MgCl_2的脱色率随pH值升高而增加,对于活性染料废水,当pH=12.5左右时脱色率达最佳; 对于分散染料废水,pH=12.0左右时脱色率达最佳;
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  “dispersed dye waste”译为未确定词的双语例句
     For both the reactive and dispersed dye waste,MgCl_2/Ca (OH)_2 was shown to be superior to Al_2 (SO_4)_3, PAC, and FeSO_4/Ca(OH)_2 for removing color.
     MgCl_2/Ca(OH)_2的脱色效果优于 PAC、Al_2(SO_4)_3、FeSO_4/Ca(OH)_2的脱色效果;
短句来源
  相似匹配句对
     E-Waste
     E时代垃圾
短句来源
     Dye waste treatment and clean production
     印染废水的治理及清洁生产
短句来源
     Treatment of Dye Waste Water by Microbe
     染料废水的微生物处理法
短句来源
     the family is dispersed.
     家族被分散。
短句来源
     waste and economization;
     挥霍浪费与勤俭节约的文化冲突;
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The effectiveness of color removal of MgCl_2 used to treat waste water containing dye has been studied. The effeciency of decolorization of MgCl_2/Ca(OH)_2 has been compared with that of Al_2 (SO_4)_3, PAC, and FeSO_4/Ca(OH)_2. The mechanism of decolorization of MgCl_2 has also been investigated. The experimental results show that the effeciency of decol-orization of MgCl_2 relates to the type of dye structure and depends on the pH value of wastewater and amount of decolorant used. Treatment of wastewater containing...

The effectiveness of color removal of MgCl_2 used to treat waste water containing dye has been studied. The effeciency of decolorization of MgCl_2/Ca(OH)_2 has been compared with that of Al_2 (SO_4)_3, PAC, and FeSO_4/Ca(OH)_2. The mechanism of decolorization of MgCl_2 has also been investigated. The experimental results show that the effeciency of decol-orization of MgCl_2 relates to the type of dye structure and depends on the pH value of wastewater and amount of decolorant used. Treatment of wastewater containing reactive dye with MgCl_2 yielded an optimum color removal ratio when pH value of solution is equal to or above 12.5. MgCl_2 produced excellent decolorization effect for dispersed dye waste in ba-sic aqueous medium(pH≥12.0). For both the reactive and dispersed dye waste,MgCl_2/Ca (OH)_2 was shown to be superior to Al_2 (SO_4)_3, PAC, and FeSO_4/Ca(OH)_2 for removing color. The mechanism of color removal of MgCl_2 is that: (1) Magnesium ion reacts with hy-droxy, Carboxy or Sulfonic acid group of dye compound to form stable chelate. complex, the chelate complex can be removed from the wastewater by flocculation in basic aqueous medi-um; (2) the dye particles would sorb onto the surface of the MgCl_2, a gelatinous precipitate,to produce good color removal result.

研究了MgCl_2处理若干种类的活性染料及分散染料的脱色效果,比较了MgCl_2/Ca(OH)_2、Al_2(SO_4)_3.PAC、FeSO_4/Ca(OH)_2的脱色效果。探讨了MgCl_2的脱色机理。实验结果表明,MgCl_2的脱色效果与染料种类、脱色的pH条件,脱色剂的用量有关;MgCl_2的脱色率随pH值升高而增加,对于活性染料废水,当pH=12.5左右时脱色率达最佳;对于分散染料废水,pH=12.0左右时脱色率达最佳;MgCl_2/Ca(OH)_2的脱色效果优于 PAC、Al_2(SO_4)_3、FeSO_4/Ca(OH)_2的脱色效果;MgCl_2的脱色机理为:(1)Mg~(2+)能与含有—OH,—SO_3H、—COOH基因的染料化合物起反应,生成稳定的螯合物,该螯合物在碱性条件下通过混凝作用从水中分离出来;(2)MgCl_2在高pH值下依靠水解生成的Mg(OH)_2胶体沉淀物对染料分子的吸附和卷扫沉降作用达到脱色目的。

The ferrate was used to decolorize reactive dyes waste,disperse dyes waste and production dyes waste.The result shows that ferrate can effectively remove the chromaticity of dyes waste.When PH is 6-8 and the throwing amount is 40mg/L,the removing is up to 90%.

用高铁酸盐对活性染料废水、分散染料废水和生产印染废水进行了脱色实验,结果表明:高铁酸盐能有效地去除印染废水的色度,在pH=6~8,投量为40mg/L时,色度的去除率达90%以上。

 
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