CN106310868A - 一种新型二氧化硫吸附剂 - Google Patents
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Abstract
本发明公开了一种新型二氧化硫吸附剂,包括如下重量份的组分:活性炭:10~20份,碳酸钠:8~10份,碳酸氢钠:8~10份,沸石粉:5~10份,氯化铁:5~10份,过碳酸钠:8~10份,柠檬酸:8~10份,次氯酸钠:3~5份,水:20~30份。与现有技术相比,本发明具有如下有益效果:(1)本发明不仅可以具有较强的二氧化硫去除效果,大大的降低空气污染指数;(2)制备工艺相对简单,成本低廉。
Description
技术领域
本发明涉及环保领域。更具体地说,本发明涉及一种新型二氧化硫吸附剂。
背景技术
二氧化硫(化学式SO2)是最常见、最简单的硫氧化物。大气主要污染物之一。火山爆发时会喷出该气体,在许多工业过程中也会产生二氧化硫。由于煤和石油通常都含有硫元素,因此燃烧时会生成二氧化硫。当二氧化硫溶于水中,会形成亚硫酸。若把亚硫酸进一步在PM2.5存在的条件下氧化,便会迅速高效生成硫酸(酸雨的主要成分)。这就是对使用这些燃料作为能源的环境效果的担心的原因之一。
在大气中,二氧化硫会氧化而成硫酸雾或硫酸盐气溶胶,是环境酸化的重要前驱物。大气中二氧化硫浓度在0.5ppm以上对人体已有潜在影响;在1~3ppm时多数人开始感到刺激;在400~500ppm时人会出现溃疡和肺水肿直至窒息死亡。二氧化硫与大气中的烟尘有协同作用。当大气中二氧化硫浓度为0.21ppm,烟尘浓度大于0.3mg/L,可使呼吸道疾病发病率增高,慢性病患者的病情迅速恶化。如伦敦烟雾事件、马斯河谷事件和多诺拉等烟雾事件,都是这种协同作用造成的危害。
煤炭是当前世界各国的主要能源之一,1980年中国SO2排放量为1160万吨,2005年为2549万吨,伴随节能减排政策的实施和SO2治理投资的增加,到2010年我国SO2排放量将降至2300万吨(削减10%),仍位居世界第一位,在十二五期间,伴随人口、经济和能源的增长,我国SO2排放总量仍然面临增长的趋势,即使2015年在2010年的基础上再削减10%(SO2排放总量为2070万t),SO2排放总量仍居世界第一位,还是面临减排的巨大压力。因此,SO2污染的治理已势在必行。
利用吸附法烟气脱硫,是利用多孔性固体吸附剂处理含硫烟气,使烟气中所台的SO2组分吸附于固体表面上,以达到烟气脱硫的目的。吸附法烟气脱硫的优点是:对低浓度SO2具有很高的净化效率,设备简单,操作方便,可实现自动控制,能有效地回收SO2,实现废物资源化。此外,吸附法可以单独使用,也可以和其它方法(如焚烧)联合使用。
发明内容
本发明的目的是提供一种新效二氧化硫吸附剂,以克服现有吸附剂吸附效果差等缺点,从而降低空气污染指数。
为了实现上述目的,本发明采用的技术方案如下:
一种新型二氧化硫吸附剂,包括如下重量份的组分:
活性炭:10~20份,碳酸钠:8~10份,碳酸氢钠:8~10份,
沸石粉:5~10份,氯化铁:5~10份,过碳酸钠:8~10份,
柠檬酸:8~10份,次氯酸钠:3~5份,水:20~30份。
优选的是,所述活性炭选自木质活性炭、椰子壳活性炭、煤基活性炭和活性焦中的一种或任意组合。
本发明的另一个目的是提供一种新型二氧化硫吸附剂的制备方法,包括如下步骤:
步骤(1):将碳酸钠、碳酸氢钠、沸石粉、氯化铁、过碳酸钠、柠檬酸和水均匀混合;
步骤(2):将活性炭浸入在上述混合物中10~12小时,并烘干;连续几次,直至混合物完全浸入活性炭;
步骤(3):将次氯酸钠喷入活性炭,晾干,既得新型二氧化硫吸附剂。
与现有技术相比,本发明具有如下有益效果:
(1)本发明不仅可以具有较强的二氧化硫去除效果,大大的降低空气污染指数;
(2)制备工艺相对简单,成本低廉。
具体实施方式
以下将结合具体实施例来详细说明本发明的实施方式,借此对本发明如何应用技术手段来解决技术问题,并达到技术效果的实现过程能充分理解并据以实施。
若未特别指明,实施例中所采用的技术手段为本领域技术人员所熟知的常规手段,所采用的原料也均为可商业获得的。未详细描述的各种过程和方法是本领域中公知的常规方法。
实施例1
一种新型二氧化硫吸附剂,包括如下重量份的组分:
椰子壳活性炭:10份,碳酸钠:8份,碳酸氢钠:8份,
沸石粉:5份,氯化铁:5份,过碳酸钠:8份,
柠檬酸:8份,次氯酸钠:3份,水:20份。
实施例2
一种新型二氧化硫吸附剂,包括如下重量份的组分:
椰子壳活性炭:15份,碳酸钠:9份,碳酸氢钠:9份,
沸石粉:8份,氯化铁:7份,过碳酸钠:9份,
柠檬酸:9份,次氯酸钠:4份,水:25份。
实施例3
一种新型二氧化硫吸附剂,包括如下重量份的组分:
椰子壳活性炭:20份,碳酸钠:10份,碳酸氢钠:10份,
沸石粉:10份,氯化铁:10份,过碳酸钠:10份,
柠檬酸:10份,次氯酸钠:5份,水:30份。
上述实施例的二氧化硫吸附剂如技术方案中所述。
为了能直接反映本品的效果,下面以某工业企业排放的烟气作为研究对象,进行处理效果试验验证。
以下表1为进行二氧化硫吸附剂添加前后数值的大小对比数据。
具体将实例1~3的去除剂加入二氧化硫吸附剂反应时间为10分钟左右后进行数值指标进行测定。
表1加入有机物去除剂前后数值指标的对比数据
从表1可以看出,经过实例1~3的工业企业排放的烟气中的二氧化硫指数大大降低,有效的改善了空气质量。所以,本发明不仅可以具有较强的二氧化硫去除效果,大大的降低空气污染指数。
最后应说明的是,以上实施例仅用以说明而非限制本发明的技术方案,尽管参照上述实施例对本发明进行了详细说明,本领域技术人员应当理解,依然可以对本发明进行修改或者等同替换,而不脱离本发明的精神和范围的任何修改或局部替换,其均应涵盖在本发明的权利要求范围中。
Claims (3)
1.一种新型二氧化硫吸附剂,其特征在于,包括如下重量份的组分:
活性炭:10~20份,碳酸钠:8~10份,碳酸氢钠:8~10份,
沸石粉:5~10份,氯化铁:5~10份,过碳酸钠:8~10份,
柠檬酸:8~10份,次氯酸钠:3~5份,水:20~30份。
2.如权利要求1所述的新型二氧化硫吸附剂,其特征在于,所述活性炭选自木质活性炭、椰子壳活性炭、煤基活性炭和活性焦中的一种或任意组合。
3.如权利要求1所述的新效二氧化硫吸附剂的制备方法,其特征在于,包括如下步骤:
步骤(1):将碳酸钠、碳酸氢钠、沸石粉、氯化铁、过碳酸钠、柠檬酸和水均匀混合;
步骤(2):将活性炭浸入在上述混合物中10~12小时,并烘干;连续几次,直至混合物完全浸入活性炭;
步骤(3):将次氯酸钠喷入活性炭,晾干,既得新型二氧化硫吸附剂。
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CN109847571A (zh) * | 2019-04-02 | 2019-06-07 | 江苏优拿大环保科技有限公司 | 一种新的半干法脱硫工艺 |
CN113164911A (zh) * | 2018-12-06 | 2021-07-23 | 韩国基础科学支援研究院 | 放射性铯去污剂以及利用其的水深定制型放射性铯的去污方法 |
CN114504944A (zh) * | 2022-01-26 | 2022-05-17 | 大冶有色金属有限责任公司 | 用于低浓度二氧化硫烟气脱硫的复合脱硫剂及其应用 |
CN115449626A (zh) * | 2022-09-14 | 2022-12-09 | 海南行者新材料科技有限公司 | 一种利用微波处理含硫金矿粉的方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113164911A (zh) * | 2018-12-06 | 2021-07-23 | 韩国基础科学支援研究院 | 放射性铯去污剂以及利用其的水深定制型放射性铯的去污方法 |
CN113164911B (zh) * | 2018-12-06 | 2023-08-25 | 韩国基础科学支援研究院 | 放射性铯去污剂以及利用其的水深定制型放射性铯的去污方法 |
CN109847571A (zh) * | 2019-04-02 | 2019-06-07 | 江苏优拿大环保科技有限公司 | 一种新的半干法脱硫工艺 |
CN114504944A (zh) * | 2022-01-26 | 2022-05-17 | 大冶有色金属有限责任公司 | 用于低浓度二氧化硫烟气脱硫的复合脱硫剂及其应用 |
CN115449626A (zh) * | 2022-09-14 | 2022-12-09 | 海南行者新材料科技有限公司 | 一种利用微波处理含硫金矿粉的方法 |
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Application publication date: 20170111 |