CN105521710A - 一种脱硫剂 - Google Patents
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- 229910052748 manganese Inorganic materials 0.000 claims abstract description 60
- 239000011572 manganese Substances 0.000 claims abstract description 60
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002893 slag Substances 0.000 claims abstract description 57
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 13
- 230000003197 catalytic effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000007791 liquid phase Substances 0.000 claims abstract description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 229920002472 Starch Polymers 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 229910001428 transition metal ion Inorganic materials 0.000 abstract description 2
- 238000000227 grinding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/40—Mixed oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
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Abstract
本发明公开一种脱硫剂,即以锰渣浆为脱硫剂,在常温常压下对硫化物进行液相催化氧化;本发明方法是将锰矿渣研磨后,筛分成一定的粒度,与水按一定比例混合,通过气体吸收瓶吸收含一定浓度SO2的气体,通过锰渣所含的过渡金属离子的催化作用即可实现尾气中硫化物氧化;本发明制备方法简单,原材料储量极大、易得、成本低廉、易实现工业化应用、脱硫效果好,还能实现以废治废,达到清洁生产目的。
Description
技术领域
本发明涉及一种锰渣浆脱硫剂,属于环境工程技术领域。
背景技术
有色金属冶炼过程,烟气中的二氧化硫的处理一直是科研的热点。从目前的冶炼趋势来看,主要是以火法冶炼为主,造成的大气污染主要以颗粒物与及SO2为主。烟气处理方面,高浓度的SO2的处理以制酸为主,低浓度的SO2采用脱硫治理。目前烟气脱硫技术主要有湿法处理技术、干法脱硫技术、半干法处理技术。
从目前的国内外脱硫的方法看,已开发的约有100多种,但是已经工业化应用的只有10多种,且不论采用何种脱硫方法都需要付出高昂的设备投资和运行费用。湿法脱硫方法的优点是脱硫效率高,投资少,设备占地面积小,操作稳定。但是设备易产生堵塞和腐蚀问题,运行费用高,易造成二次污染问题,尤其是废水问题。干法脱硫方法的脱硫剂与副产物均为干态,此法的优点设备简单,不存在腐蚀问题,无污水处理问题,能耗高,但是脱硫效率不高,技术要求过高,操作不稳定等。半干法脱硫不易产生堵塞和腐蚀问题,但是脱硫效率不高、自动化要求过高,难以控制。开发适合我国国情的既能脱除烟气中的SO2,同时又可回收硫资源及较高价值的副产品的脱硫技术,将是解决我国SO2污染的有效途径。液相催化氧化烟气脱硫法,该方法理论上不消耗催化剂,不产生固体废物,无二次污染,是一种更为环保的烟气脱硫工艺,利用锰渣中的有色金属过渡离子对SO2进行液相催化氧化作用,不仅能达到很好的脱硫效果,还能达到以废治废,实现清洁生产。
发明内容
本发明的目的在于提供一种新型、更加环保的脱硫剂,即以锰渣浆作为脱硫剂,在常温常压下对硫化物进行催化氧化;所述锰渣浆是将锰渣烘干、粉碎、筛分后与水混合制得,锰渣浆含固量(锰渣)为质量百分比10%~60%。
本发明所述烘干温度为80~100℃。
本发明所述筛分至80~100目。
本发明所述锰渣脱硫剂可以用于脱出尾气中SO2。
所述锰渣为锰矿石冶炼成锰合金过程中产生的固体废弃物。
本发明的有益效果为:
相较于现有的技术,本发明原材料来源广,制备方法简单;材料的制备和应用都易实现工业化;应用过程中能耗低;在常温常压下即可实现对SO2液相催化氧化;锰渣浆脱硫剂催化效果好,不易中毒;不需要添加任何化学试剂,直接利用锰渣中所含的Mn、Fe、Ni等过渡金属离子与及金属氧化物就可以达到较为理想的脱硫效果,还能实现清洁生产。
附图说明
图1为本发明实施例1-3所述锰渣浆脱硫效果图;
图2为本发明实施例4-5所述锰渣浆脱硫效果图。
具体实施方式
下面结合具体实施例进一步详细描述本发明,但本发明保护范围并不限于以下所述内容;本实施例1~3评价锰渣浆液相催化氧化SO2的活性,是用SO2的转化率来表示。
实施例1:
将取自文山片区的绿色锰渣,在80℃下烘干,然后研磨并筛分成80~100目;将所得锰渣粉末与自来水按一定比例混合,混合后锰渣浆含固量为质量百分比15%;将所得的锰渣浆通过气体吸收瓶;锰渣浆用量为25ml;进气SO2浓度为300mg/L,SO2的催化氧化效果见图1所示,由图可以看出,当选用文山片区的锰渣,制成含固量为15%的锰渣浆后,SO2的100%的转化率可以维持12h。
实施例2:
将取自文山片区的绿色锰渣,在90℃下烘干,然后研磨并筛分成80~100目;将所得锰渣粉末与自来水按一定比例混合,混合后锰渣浆含固量为质量百分比45%;将气体通过含锰渣浆的气体吸收瓶;锰渣浆用量为25ml;进气SO2浓度为300mg/L,SO2的催化氧化效果见图1所示,由图可以看出,当用锰渣制成含固量为45%的锰渣浆后,SO2的100%的转化率可以维持22h。
实施例3:
将取自文山片区的绿色锰渣,在100℃下烘干,然后研磨并筛分成80~100目;将所得锰渣末与自来水按一定比例混合,混合后锰渣浆含固量为60%;将气体通过含锰渣浆通过气体吸收瓶;锰渣浆用量为25ml;进气SO2浓度为500mg/L,SO2的催化氧化效果见图1所示,由图可以看出,当选用文山片区锰渣制成含固量为60%的锰渣浆后,SO2的100%的转化率可以维持到18h。
实施例4:
来自建水片区的锰渣,在90℃下烘干,然后研磨并筛分成80~100目;将所得锰渣粉末与自来水按一定比例混合,混合后锰渣浆含固量为45%;将气体通过含锰渣浆的气体吸收瓶;锰渣浆用量为25ml;进气SO2浓度为300mg/L,SO2的催化氧化效果见图2所示,由图可以看出,当用黑色锰渣制成含固量为45%的锰渣浆后,SO2的100%的转化率可以维持22h。
实施例5:
来自大理片区的锰渣,在90℃下烘干,然后研磨并筛分成80~100目;将所得锰渣粉末与自来水按一定比例混合,混合后锰渣浆含固量为60%;将气体通过含锰渣浆的气体吸收瓶;锰渣浆用量为25ml;进气SO2浓度为300mg/L,SO2的催化氧化效果见图2所示,由图可以看出,当用黑色锰渣制成含固量为60%的锰渣浆后,SO2的100%的转化率可以维持20h。
Claims (4)
1.一种脱硫剂,其特征在于:以锰渣浆作为脱硫剂,在常温常压下对硫化物进行液相催化氧化。
2.根据权利要求1所述的脱硫剂,其特征在于:锰渣浆是将锰渣烘干、粉碎、筛分后与水混合制得,锰渣浆含固量为质量百分比10%~60%。
3.根据权利要求2所述的脱硫剂,其特征在于:烘干温度为80~100℃。
4.根据权利要求2所述的脱硫剂,其特征在于:筛分至80~100目。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114504945A (zh) * | 2022-03-02 | 2022-05-17 | 宁波诺丁汉新材料研究院有限公司 | 一种锰渣改性钢渣废弃物改性脱硫吸收剂及其制备方法 |
CN116099351A (zh) * | 2022-12-29 | 2023-05-12 | 杭州尚善若水环保科技有限公司 | 一种垃圾焚烧烟气处理的脱硫药剂及脱硫方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1316289A (zh) * | 2001-01-16 | 2001-10-10 | 史汉祥 | 一种处理含二氧化硫废气的化学吸附剂 |
CN1616139A (zh) * | 2003-11-12 | 2005-05-18 | 煤炭科学研究总院北京煤化工研究分院 | 一种无定形脱硫剂的制备方法 |
CN101306425A (zh) * | 2008-06-24 | 2008-11-19 | 卿富安 | 一种电解锰渣综合利用的工艺 |
CN104258710A (zh) * | 2014-09-28 | 2015-01-07 | 西安华陆环保设备有限公司 | 液相催化氧化脱除烟气中so2的方法 |
CN104906927A (zh) * | 2015-05-27 | 2015-09-16 | 福建洋屿环保科技股份有限公司 | 一种脱硫剂及其制备方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1316289A (zh) * | 2001-01-16 | 2001-10-10 | 史汉祥 | 一种处理含二氧化硫废气的化学吸附剂 |
CN1616139A (zh) * | 2003-11-12 | 2005-05-18 | 煤炭科学研究总院北京煤化工研究分院 | 一种无定形脱硫剂的制备方法 |
CN101306425A (zh) * | 2008-06-24 | 2008-11-19 | 卿富安 | 一种电解锰渣综合利用的工艺 |
CN104258710A (zh) * | 2014-09-28 | 2015-01-07 | 西安华陆环保设备有限公司 | 液相催化氧化脱除烟气中so2的方法 |
CN104906927A (zh) * | 2015-05-27 | 2015-09-16 | 福建洋屿环保科技股份有限公司 | 一种脱硫剂及其制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114504945A (zh) * | 2022-03-02 | 2022-05-17 | 宁波诺丁汉新材料研究院有限公司 | 一种锰渣改性钢渣废弃物改性脱硫吸收剂及其制备方法 |
CN116099351A (zh) * | 2022-12-29 | 2023-05-12 | 杭州尚善若水环保科技有限公司 | 一种垃圾焚烧烟气处理的脱硫药剂及脱硫方法 |
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