CN108525513A - 一种同时脱硫脱硝的脱除剂及其制备方法 - Google Patents
一种同时脱硫脱硝的脱除剂及其制备方法 Download PDFInfo
- Publication number
- CN108525513A CN108525513A CN201810320627.3A CN201810320627A CN108525513A CN 108525513 A CN108525513 A CN 108525513A CN 201810320627 A CN201810320627 A CN 201810320627A CN 108525513 A CN108525513 A CN 108525513A
- Authority
- CN
- China
- Prior art keywords
- scavenger
- ferrous metal
- simultaneous
- removal
- dispersant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002516 radical scavenger Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 229940124447 delivery agent Drugs 0.000 claims abstract description 12
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims description 17
- 239000011574 phosphorus Substances 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 14
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical group P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 241001465754 Metazoa Species 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 150000004712 monophosphates Chemical class 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 241000722270 Regulus Species 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 claims 1
- 235000019983 sodium metaphosphate Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 239000007789 gas Substances 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 238000003723 Smelting Methods 0.000 description 21
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 18
- 239000003546 flue gas Substances 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 239000011499 joint compound Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 238000005272 metallurgy Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229910002089 NOx Inorganic materials 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000010269 sulphur dioxide Nutrition 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004291 sulphur dioxide Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004155 tailings processing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen 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
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
本发明公开了一种同时脱硫脱硝的脱除剂及其制备方法,属于废渣综合利用领域和工业废气净化领域;该脱除剂由以下组成物制得:有色金属渣、水、氧传递剂、分散剂,其中氧传递剂的添加量为有色金属渣质量的0.1‑1%,分散剂的添加量为有色金属渣质量的1‑10%;本发明工艺流程简单,操作安全简单,SO2和NO脱除效率高,可将气体中的SO2和NO同时脱除,且无需催化剂,运行成本低,适于市场推广应用。
Description
技术领域
本发明公开了一种同时脱硫脱硝的脱除剂及其制备方法,属于环境工程技术领域。
背景技术
有色金属冶炼属于典型的高污染、高能耗、资源型行业,企业多位于生态脆弱区,烟气排放导致的环境恶化问题突出,是制约其可持续发展的重要因素;有色冶炼烟气是治理难度最大的工业废气之一,烟气中 SO2和 NOx污染物的超低排放已经难以经济有效地满足日趋严格的环保要求。
国内外对烟气同时脱硫脱硝技术的研究十分活跃,按照吸收烟气工作介质的不同,烟气同时脱硫脱硝技术可分为湿法、半干法和干法。干法、半干法烟气同时脱硫脱硝技术目前主要存在经济成本高、易产生二次污染、操作条件限制因素多等问题。湿法同时脱硫脱硝技术, 因具有设备精简、占地面积小、基建投资小、 脱硫效率高等优点而受到广泛关注。
传统湿法同时脱硫脱硝技术是在经典湿法脱硫技术的基础上,通过利用氧化剂先将一氧化氮(NO)氧化为溶解度较高的二氧化氮(NO2),然后再利用碱液对 SO2和 NO2进行吸收。根据吸收液的不同可分为:石灰石法、氨法、络合法等。石灰石法处理成本较高,产生大量副产物石膏及酸性废液,易造成二次污染物及设备的腐蚀;氨法同时脱硫脱硝技术易生成亚硫酸铵、硫酸铵、硝酸铵等难以去除的气溶胶,造成氨损失和烟雾排放等问题。络合法存在难以再生及二次污染等问题,且部分络合剂需添加高毒药品,使用时存在很大的风险。
矿浆脱硫脱硝是近几年在我国开展起来的一项新兴资源化烟气脱除技术,矿浆是利用采矿过程中矿石、矿土等固体形式原料以及经过选矿或冶炼后的残余物加入一定比例的水及其他辅助剂料形成的浆液。在有色冶金和磷化工行业,烟气中含有大量 SO2,烟气净化后制酸, 同时选矿-矿物加工利用-固体尾渣处理等典型工艺过程需要消耗大量硫酸。例如,氧化铜矿、 氧化锰矿等金属选矿常需对难选矿物进行硫酸酸浸处理以满足湿法冶金需要;磷化工行业湿法磷酸生产采用硫酸分解磷矿石以获取磷酸;有色冶炼常采用酸处理以回收尾渣中的有价金属。因此,矿浆脱硫脱硝具有脱硫原料成本低,短流程等特点。目前矿浆脱硫脱硝的技术主要有:磷矿浆脱硫技术、软锰矿脱硫脱硝技术等。
有色金属冶炼渣成分复杂,属大宗工业固体废物,对环境危害大,其综合利用是固体废物处理处置的重点研究之一。铜、铅锌、锡等有色金属冶炼渣中含有大量Fe、Mn 等过渡金属及碱性氧化物,可液相催化氧化 SO2、NOx,原理上具有脱硫脱硝的可行性。如果将有色金属冶炼渣制备成矿浆脱除有色金属冶炼烟气中 SO2和 NOx,不仅可解决大宗工业固体废物的综合利用、废气净化等问题,达到以废治废的目的, 还可实现有色金属冶炼废气、 固废一体化处理。
发明内容:
本发明为了弥补现有技术的不足,目的在于提供一种新型、环保、制备简单、投资建设少、处理效率高的同时脱硫脱硝的脱除剂,脱除剂由以下组成物制得:有色金属渣、水、氧传递剂、分散剂,其中氧传递剂的添加量为有色金属渣质量的0.1-1%,分散剂的添加量为有色金属渣质量的1-10%。
所述有色金属渣与水的质量体积比g:mL为1:10-100。
所述氧传递剂为黄磷、泥磷中的一种。
所述分散剂单磷酸、淀粉、六偏磷酸钠、动物胶中的一种。
所述有色金属渣是指是有色金属矿物在冶炼中产生的废渣,属冶金废渣的一种。
本发明另一目的是提供上述脱除剂的制备方法,其按如下步骤进行:
(1)将有色金属渣研磨并筛选至200-300目;
(2)在有色金属渣中加入水制得有色金属渣浆;
(3)在45-60℃下将氧传递剂加入到有色金属渣浆中;
(4)最后通过超声、搅拌、去除溶解氧等手段将分散剂均匀分散到步骤(3)混合物中,制得脱除剂。
使用时,将待处理烟气通入脱除剂中;
本发明方法在液相氧化催化体系中加入氧传递物质,在尾气中微量氧作用下产生O3等强氧化性物种,并转化为H3PO4;尾气中SO2、NOx吸收至液相,在过渡金属离子的催化作用和来源于尾气的金属离子助催化作用下,被 O3、O2分别氧化为H2SO4和 HNO3;在H3PO4、H2SO4和HNO3形成的酸性条件下,尾气中的重金属通过酸浸作用,以金属离子的形式高效转移至液相,从而实现硫、硝同步净化。
本发明的优点:工艺流程简单,运行费用相对低廉,SO2和NO脱除效率高,在温度为一定温度下,即可将气体中的SO2和NO同时脱除,主要用于脱除工业燃煤尾气中的二氧化硫和一氧化氮。
附图说明
图1为本发明实施例1所属脱除剂同时脱硫脱硝效果图;
图2为本发明实施例2所属脱除剂同时脱硫脱硝效果图;
图3为本发明实施例3所属脱除剂同时脱硫脱硝效果图;
图4为本发明实施例4所属脱除剂同时脱硫脱硝效果图。
具体实施方式
下面结合实施例对本发明作进一步详细说明,但本发明保护范围并不限于所述内容。
实施例1:本同时脱硫脱硝的脱除剂,由以下组成物制得:铜冶炼渣、水、黄磷、单磷酸,其中黄磷的添加量为铜冶炼渣质量的0.1%,单磷酸的添加量为铜冶炼渣质量的2%;铜冶炼渣与水的质量体积比g:mL为1:10;
将铜冶炼渣研磨并筛分至200目;称取铜冶炼渣加入蒸馏水制得铜冶炼渣浆,铜冶炼渣浆升温至60℃加入黄磷,保证氧传递剂的熔融状态;超声10min,然后80r/min搅拌20min,将单磷酸均匀分散在混合物中,制得脱除剂;
将含有SO2、NO的气体通入到脱除剂中,SO2、NO 的初始浓度分别为2075mg/m3、367mg/m3, 720min之内,可以达到95%的脱硫效率以及80%的脱硝效率(图1)。
实施例2:本同时脱硫脱硝的脱除剂,由以下组成物制得:磷冶炼渣、水、黄磷、淀粉,其中黄磷的添加量为磷冶炼渣质量的0.6%,淀粉的添加量为磷冶炼渣质量的5%;磷冶炼渣与水的质量体积比g:mL为1:20;
将磷冶炼渣研磨并筛分至300目;称取磷冶炼渣加入蒸馏水制得磷冶炼渣浆,磷冶炼渣浆升温至50℃加入黄磷,保证氧传递剂的熔融状态;通过超声10min,50r/min搅拌20min,将淀粉均匀分散在混合物中,制得脱除剂;
将含有SO2、NO的气体通入到脱除剂中,SO2、NO的初始浓度分别为1955mg/m3、267mg/m3,720min之内,可以达到90%的脱硫效率以及70%的脱硝效率(图2)。
实施例3:本同时脱硫脱硝的脱除剂,由以下组成物制得:锡冶炼渣、水、泥磷、六偏磷酸钠,其中泥磷的添加量为锡冶炼渣质量的0.9%,六偏磷酸钠的添加量为锡冶炼渣质量的5%;锡冶炼渣与水的质量体积比g:mL为1:50;
将锡冶炼渣研磨并筛分至260目,称取锡冶炼渣加入蒸馏水制得锡冶炼渣浆,锡冶炼渣浆升温至45℃加入泥磷,保证氧传递剂的熔融状态,通过超声10min,60r/min搅拌20min,将六偏磷酸钠均匀分散在混合物中,制得脱除剂;
将含有SO2、NO的气体通入到脱除剂中,SO2、NO 的初始浓度分别为1955mg/m3、267mg/m3, 480min之内,可以达到80%的脱硫效率以及70%的脱硝效率(图3)。
实施例4:本同时脱硫脱硝的脱除剂,由以下组成物制得:铅锌冶炼渣、水、泥磷、动物胶,其中泥磷的添加量为铅锌冶炼渣质量的0.4%,动物胶的添加量为铅锌冶炼渣质量的10%;铅锌冶炼渣与水的质量体积比g:mL为1:90;
将有铅锌冶炼渣研磨并筛分至200目,称取铅锌冶炼渣加入蒸馏水制得铅锌冶炼渣浆,铅锌冶炼渣浆升温至45℃加入泥磷,保证氧传递剂的熔融状态,通过超声10min,100r/min搅拌20min,将动物胶均匀分散在混合物中,制得脱除剂;
将含有SO2、NO的气体通入到脱除剂中,SO2、NO 的初始浓度分别为2000mg/m3、300 mg/m3, 480min之内,可以达到90%的脱硫效率以及80%的脱硝效率(图4)。
Claims (5)
1.一种同时脱硫脱硝的脱除剂,其特征在于,由以下组成物制得:有色金属渣、水、氧传递剂、分散剂,其中氧传递剂的添加量为有色金属渣质量的0.1-1%,分散剂的添加量为有色金属渣质量的1-10%。
2.根据权利要求1所述的同时脱硫脱硝的脱除剂,其特征在于:有色金属渣与水的质量体积比g:mL为1:10-100。
3.根据权利要求1所述的同时脱硫脱硝的脱除剂,其特征在于:氧传递剂为黄磷、泥磷中的一种。
4.根据权利要求1所述的同时脱硫脱硝的脱除剂,其特征在于:分散剂单磷酸、淀粉、六偏磷酸钠、动物胶中的一种。
5.权利要求1-4中任一项所述的同时脱硫脱硝的脱除剂的制备方法,其特征在于,按如下步骤进行:
(1)将有色金属渣研磨并筛分至200-300目;
(2)在有色金属渣中加入水制得有色金属渣浆;
(3)在45-60℃下将氧传递剂加入到有色金属渣浆中;
(4)最后将分散剂均匀分散到步骤(3)混合物中,制得脱除剂。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810320627.3A CN108525513B (zh) | 2018-04-11 | 2018-04-11 | 一种同时脱硫脱硝的脱除剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810320627.3A CN108525513B (zh) | 2018-04-11 | 2018-04-11 | 一种同时脱硫脱硝的脱除剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108525513A true CN108525513A (zh) | 2018-09-14 |
CN108525513B CN108525513B (zh) | 2021-05-14 |
Family
ID=63480838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810320627.3A Active CN108525513B (zh) | 2018-04-11 | 2018-04-11 | 一种同时脱硫脱硝的脱除剂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108525513B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110102180A (zh) * | 2019-06-21 | 2019-08-09 | 云南民族大学 | 一种泥磷乳浊液液相催化氧化同时脱硫脱硝的方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906079A (en) * | 1972-07-18 | 1975-09-16 | Nippon Steel Corp | Method for desulfurizing a waste gas |
CN101347722A (zh) * | 2008-09-05 | 2009-01-21 | 江苏中科节能环保技术有限公司 | 一种低成本scr法脱硝催化剂及其制备方法 |
CN104209146A (zh) * | 2014-06-09 | 2014-12-17 | 深圳市天得一环境科技有限公司 | 用于降解氮氧化物的纳米球状多孔弱光光触媒、制备方法及其应用 |
CN104667728A (zh) * | 2015-01-26 | 2015-06-03 | 昆明川金诺化工股份有限公司 | 一种脱除硫酸尾气中二氧化硫的方法 |
CN105536493A (zh) * | 2015-12-28 | 2016-05-04 | 昆明理工大学 | 一种利用磷矿浆和泥磷脱除燃煤锅炉烟气中so2和nox方法 |
CN106310932A (zh) * | 2015-07-07 | 2017-01-11 | 云南民族大学 | 一种磷矿浆液相催化氧化脱除工业废气中no的方法 |
CN106345288A (zh) * | 2016-08-24 | 2017-01-25 | 湖北祥云(集团)化工股份有限公司 | 一种利用磷矿浆处理含硫烟气的方法和*** |
CN107213775A (zh) * | 2017-06-14 | 2017-09-29 | 昆明理工大学 | 一种用于浮选尾矿浆液脱硫的分散稳定剂 |
CN107398171A (zh) * | 2017-06-14 | 2017-11-28 | 昆明理工大学 | 一种利用金属尾矿脱除烟气中酸性气体的方法 |
-
2018
- 2018-04-11 CN CN201810320627.3A patent/CN108525513B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906079A (en) * | 1972-07-18 | 1975-09-16 | Nippon Steel Corp | Method for desulfurizing a waste gas |
CN101347722A (zh) * | 2008-09-05 | 2009-01-21 | 江苏中科节能环保技术有限公司 | 一种低成本scr法脱硝催化剂及其制备方法 |
CN104209146A (zh) * | 2014-06-09 | 2014-12-17 | 深圳市天得一环境科技有限公司 | 用于降解氮氧化物的纳米球状多孔弱光光触媒、制备方法及其应用 |
CN104667728A (zh) * | 2015-01-26 | 2015-06-03 | 昆明川金诺化工股份有限公司 | 一种脱除硫酸尾气中二氧化硫的方法 |
CN106310932A (zh) * | 2015-07-07 | 2017-01-11 | 云南民族大学 | 一种磷矿浆液相催化氧化脱除工业废气中no的方法 |
CN105536493A (zh) * | 2015-12-28 | 2016-05-04 | 昆明理工大学 | 一种利用磷矿浆和泥磷脱除燃煤锅炉烟气中so2和nox方法 |
CN106345288A (zh) * | 2016-08-24 | 2017-01-25 | 湖北祥云(集团)化工股份有限公司 | 一种利用磷矿浆处理含硫烟气的方法和*** |
CN107213775A (zh) * | 2017-06-14 | 2017-09-29 | 昆明理工大学 | 一种用于浮选尾矿浆液脱硫的分散稳定剂 |
CN107398171A (zh) * | 2017-06-14 | 2017-11-28 | 昆明理工大学 | 一种利用金属尾矿脱除烟气中酸性气体的方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110102180A (zh) * | 2019-06-21 | 2019-08-09 | 云南民族大学 | 一种泥磷乳浊液液相催化氧化同时脱硫脱硝的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108525513B (zh) | 2021-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100453148C (zh) | 以炼铁炼钢炉渣为吸收剂吸收烟气中二氧化硫的方法 | |
CN107213774B (zh) | 一种基于冶炼尾矿渣的烟气脱硫及资源化利用方法 | |
CN105536493B (zh) | 一种利用磷矿浆和泥磷脱除燃煤锅炉烟气中so2和nox方法 | |
CN110090548B (zh) | 一种铜渣尾矿协同锌冶炼除尘灰湿法脱硫并回收硫酸锌的方法 | |
CN104324575A (zh) | 一种喷雾吸收式烧结烟气同时脱硫脱硝的*** | |
CN102989301A (zh) | 烟气湿式还原一体化脱硫脱硝及无害处理和资源利用方法 | |
CN106731629A (zh) | 一种利用铜冶炼厂尾矿渣浆液脱硫脱砷汞的方法 | |
CN103508507A (zh) | 利用磁选后的钢渣尾渣去除水中金属离子的方法 | |
CN104178636A (zh) | 一种活化煅烧结合酸性浸出回收SCR废旧催化剂中Ti, V, Mo, Si的方法 | |
CN102836636A (zh) | 一种脱硫脱硝组合物、制备方法及其用途 | |
CN108568202B (zh) | 一种泥磷脱除氮氧化物的方法 | |
Liu et al. | The roles of red mud as desulfurization and denitrification in flue gas: A review | |
CN102824814A (zh) | 烟气湿式氧化还原脱硫及资源化利用方法 | |
Li et al. | Synthesis of magnesium-modified ceramsite from iron tailings as efficient adsorbent for phosphorus removal | |
CN107551801A (zh) | 一种含钒钢渣净化so2烟气及硫、钒资源化利用的方法 | |
Yao et al. | Promotion of manganese extraction and flue gas desulfurization with manganese ore by iron in the anodic solution of electrolytic manganese | |
CN103693785A (zh) | 铅锌选矿废水中超标硫化物的去除方法 | |
Luo et al. | Pretreated water-quenched-manganese-slag slurry for high-efficiency one-step desulfurization and denitrification | |
CN108525513A (zh) | 一种同时脱硫脱硝的脱除剂及其制备方法 | |
CN102836634B (zh) | 一种脱硫脱硝的方法 | |
CN107398171A (zh) | 一种利用金属尾矿脱除烟气中酸性气体的方法 | |
CN110075697B (zh) | 一种基于电解锰尾矿渣的烟气脱硫及资源化利用的方法 | |
AU2021104221A4 (en) | Method for improving desulfurization efficiency of electrolytic manganese ore/slag slurry | |
CN103599683B (zh) | 用于烟气脱硫脱氮的设备 | |
CN103566727B (zh) | 烟气脱硫脱氮的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |