CN86106278B - 利用纯碱工业蒸馏废液固形物脱硫 - Google Patents
利用纯碱工业蒸馏废液固形物脱硫 Download PDFInfo
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- CN86106278B CN86106278B CN86106278A CN86106278A CN86106278B CN 86106278 B CN86106278 B CN 86106278B CN 86106278 A CN86106278 A CN 86106278A CN 86106278 A CN86106278 A CN 86106278A CN 86106278 B CN86106278 B CN 86106278B
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Abstract
利用纯碱工业蒸馏废液固形物脱硫属于环境保护技术领域。本发明以纯碱工业蒸馏废液的固形物脱除燃煤产生的二氧化硫,其用量与煤用量的比例不超过1.5∶10。以废治废,有良好的经济和环境效益。
Description
本发明属于环境保护领域。
本发明前采用石灰或石灰石脱除燃煤产生的二氧化硫。当用二倍化学计算量的石灰石粉脱硫时,其脱硫效率为40~60%。石灰、石灰石是各种工业、建筑等领域的重要原料。
本发明是要提供一种工业废渣代替石灰、石灰石,达到以废治废的目的。
本发明的要点是利用纯碱工业蒸馏废液的固形物进行燃煤脱硫,其用量与煤用量的比例不宜超过1.5∶10。
该固形物含有大量的碳酸钙,颗粒细,反应活性高,脱硫效率优于等量石灰、石灰石。将固形物综合利用,变废为宝,有良好的经济和环境效益。
例1:
取0.2克和0.3克的固形物分别掺入2克煤中,在850℃下的高温炉里燃烧,测得脱硫效率列表一。
例2:
将0.2克固形物与其等当量的石灰、石灰石分别渗入2克煤中,燃烧后脱硫效率对比情况列表二。
煤 | 固形物 | 烧后残渣 含硫 (毫克) | 净脱硫 (毫克) | 脱硫率 (%) | ||
重量 (克) | 含硫量 (毫克) | 重量 (克) | 含硫量 (毫克) | |||
2 | 57 46 | 0.20 | 1.72 | 29.32 | 24.00 | 44.56 |
2 | 57 46 | 0.30 | 2.58 | 35.64 | 29.46 | 54.70 |
掺料名称 | 含量(%) | 二克煤中添加 量(克) | 脱硫率(%) |
固形物 | 碳酸钙70 | 0.2 | 44.56 |
石灰 | 氢氧化钙98.5 | 0.105 | 41.89 |
石灰石 | 碳酸钙93 | 0.150 | 32.32 |
Claims (2)
1、一种燃煤脱硫的方法,其特征在于利用纯碱工业蒸馏废液固形物进行燃煤脱硫。
2、根据权利要求1所述的脱硫方法,其特征在于纯碱工业蒸馏废液固形物用量与煤用量的比例不超过1.5∶10。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN86106278A CN86106278B (zh) | 1986-09-09 | 1986-09-09 | 利用纯碱工业蒸馏废液固形物脱硫 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN86106278A CN86106278B (zh) | 1986-09-09 | 1986-09-09 | 利用纯碱工业蒸馏废液固形物脱硫 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN86106278A CN86106278A (zh) | 1987-12-16 |
CN86106278B true CN86106278B (zh) | 1988-08-17 |
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ID=4803135
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Application Number | Title | Priority Date | Filing Date |
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CN86106278A Expired CN86106278B (zh) | 1986-09-09 | 1986-09-09 | 利用纯碱工业蒸馏废液固形物脱硫 |
Country Status (1)
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CN (1) | CN86106278B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101830584A (zh) * | 2010-04-30 | 2010-09-15 | 汪晋强 | 一种用盐酸处理纯碱蒸馏废液形成的方法 |
CN104327905B (zh) * | 2014-11-21 | 2016-08-24 | 广西壮族自治区环境保护科学研究院 | 一种煤燃烧催化剂 |
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1986
- 1986-09-09 CN CN86106278A patent/CN86106278B/zh not_active Expired
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Publication number | Publication date |
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CN86106278A (zh) | 1987-12-16 |
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