CN113244927A - 一种dbd等离子体协同催化剂净化cs2并回收硫的方法 - Google Patents
一种dbd等离子体协同催化剂净化cs2并回收硫的方法 Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 25
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- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 7
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 7
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- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 claims description 3
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical group [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical group [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- YPJCVYYCWSFGRM-UHFFFAOYSA-H iron(3+);tricarbonate Chemical compound [Fe+3].[Fe+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YPJCVYYCWSFGRM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
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- 239000003426 co-catalyst Substances 0.000 claims 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- FQVNUZAZHHOJOH-UHFFFAOYSA-N copper lanthanum Chemical compound [Cu].[La] FQVNUZAZHHOJOH-UHFFFAOYSA-N 0.000 abstract 1
- NNLJGFCRHBKPPJ-UHFFFAOYSA-N iron lanthanum Chemical compound [Fe].[La] NNLJGFCRHBKPPJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000007605 air drying Methods 0.000 description 3
- 239000012018 catalyst precursor Substances 0.000 description 3
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- 239000013078 crystal Substances 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
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- VQEHIYWBGOJJDM-UHFFFAOYSA-H lanthanum(3+);trisulfate Chemical compound [La+3].[La+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VQEHIYWBGOJJDM-UHFFFAOYSA-H 0.000 description 2
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- SXTLQDJHRPXDSB-UHFFFAOYSA-N copper;dinitrate;trihydrate Chemical compound O.O.O.[Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O SXTLQDJHRPXDSB-UHFFFAOYSA-N 0.000 description 1
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- 229910052945 inorganic sulfide Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
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Abstract
本发明公开了一种DBD等离子体协同催化剂净化二硫化碳并回收硫的方法;本方法通过在DBD等离子体放电区放置制备的镧基双金属催化剂,将CS2转化为单质硫及一氧化碳和二氧化碳气体,再通过加热催化剂的方式将硫单质回收以实现含二硫化碳尾气的净化及硫的资源化;本发明所制备的催化剂为铜镧双金属或铁镧双金属双金属催化剂,可以抑制二氧化硫的产生并促进二硫化碳转化为单质硫,避免二次污染,实现硫的资源化利用。
Description
技术领域
本发明属于环境工程技术领域,具体涉及一种DBD等离子体协同镧基双金属催化剂降解二硫化碳的方法。
背景技术
CS2是一种无机硫化物,沸点在46.2℃左右,可溶解于硫单质,具有易燃性、易爆性和生物毒性,可破坏细胞蛋白质正常代谢,造成神经及血管等的损伤,轻度中毒包括头晕、头疼及粘膜刺激症状;中度中毒可能导致昏迷及不可逆的神经永久性损害等;长期接触可导致神经衰弱综合证、多发性周围神经病及植物神经功能紊乱等。
二硫化碳气体常被归为有机硫污染物,相较于无机硫污染物更难以净化。二硫化碳广泛存在于各种煤石油化工尾气如焦炉煤气、黄磷尾气等行业的尾气中,是大气污染控制必须关注的内容,也是各种工业废气实现净化甚至资源化首要解决的问题。
目前二硫化碳的净化方法主要包括干法和湿法,但湿法达不到精脱硫的要求。干法包括氧化法、吸附法、加氢转化法和催化水解法等,但都存在所需温度或成本较高,转化产物二氧化硫或硫化氢需要进一步净化的问题。
中国专利CN1660473公开了一种低温等离子体处理工业废气中H2S和CS2的方法,在高脉冲重复频率、低峰值电压的脉冲电源作用下,阻挡介质放电等离子体反应器中形成低温等离子体场,把经过水气分离器后的废气通过反应器,H2S和CS2转化为无臭低毒的SO2;其不足之处在于处理后产生的SO2气体需要经过进一步的净化处理才可排放,进一步增加了成本及设备的复杂性。
中国专利CN202010984131.3公开了一种低温等离子体协同Cu/γ-Al2O3催化剂降解羰基硫的方法,该将低温等离子体的与催化剂相结合,在室温下净化,把羰基硫降解生成单质S,但是该方法对二硫化碳效果不佳,会在短时间内产生大量二氧化硫造成二次污染。
发明内容
针对现有技术的不足,提供一种DBD(介质阻挡放电)等离子体协同催化剂净化CS2并回收硫的方法;该方法简单高效,不会产生二次污染气体。
本发明γ-Al2O3负载镧基双金属催化剂,双金属元素质量之和占催化剂总质量的4~8%,并铜盐、铁盐中的一种与镧盐的质量比为1~4:1,制备方法包括以下步骤:
(1)将铜盐、铁盐中的一种与镧盐置于去离子水中,搅拌并超声震荡2~4min;
所述铜盐为硝酸铜、硫酸铜或碳酸铜;铁盐为硝酸铁、硫酸铁或碳酸铁;镧盐为硝酸镧;
(2)将纳米γ-Al2O3粉末加入到步骤a混合溶液中,搅拌均匀,超声震荡25~30min,得到前驱体溶液;
(3)将步骤b前驱体溶液置于水浴中震荡加热,制得半固态的前驱体浆;
(4)将步骤c半固态的前驱体浆置于75~85℃下干燥12h,然后以1.5~2℃/min的速度升温至250~270℃并在此温度下处理1h,然后升温至350~450℃下焙烧4h制得γ-Al2O3负载镧基双金属催化剂;
将上述方法制得γ-Al2O3负载镧基双金属催化剂置于DBD低温等离子体反应器放电区中,通入含CS2尾气,在DBD等离子体与催化剂的协同作用下,CS2转化为单质硫、一氧化碳和二氧化碳气体,通过加热催化剂的方式将硫单质回收,实现含二硫化碳尾气的净化及硫的资源化。
所述低温等离子体反应器,电压为15~21kV,CS2尾气的空速为2500~3500h-1。
当CS2去除效果小于90%或产生的SO2浓度高于100mg/m3时,更换催化剂,并对原催化剂进行加热再生并回收硫,得到的单质硫的回收率高于90%。
本发明的优点及有益效果在于:
本发明将DBD等离子体放电与镧基双金属催化剂协同,实现对二硫化碳的净化及硫资源的回收;通过加入镧基双金属催化剂可以减少二硫化碳向H2S和SO2的转化,避免二次污染;
在净化二硫化碳的同时可以回收高纯度单质硫,本发明方法简单,适于工业化生产和市场推广应用。
具体实施方式
下面通过实施例对本发明作进一步详细说明,但本发明保护范围不局限于所述内容。
实施例1
(1)将0.532g三水合硝酸铜及0.218g含结晶水的硝酸镧溶于去离子水中搅拌并超声震荡3min;
(2)将4.7g纳米γ-Al2O3粉末均匀加入到步骤(1)中所配置的盐溶液中,搅拌均匀,超声震荡30min,得到前驱体溶液;
(3)将步骤(2)前驱体溶液置于水浴震荡锅中震荡加热,将水进一步蒸出至呈现半固态的前驱体浆;
(4)将步骤(3)前驱体浆置于电热鼓风干燥箱中于80℃干燥12h;将干燥后的催化剂前驱体移入马弗炉中以1.6℃/min的速度升温至250℃时维持1h,然后升温至400℃时在马弗炉中焙烧4h,得到负载Cu/La双金属的低温等离子体催化剂;
将制备的催化剂1g置于低温等离子体反应器放电区域,通入含CS2尾气,CS2的浓度为500mg/m3,在空速2100h-1,电压为19kV时,对CS2的去除效果可达到99%以上,5h后产生二氧化硫超过100mg/m3,通过对催化剂加热可通过硫蒸气回收硫单质,硫单质的回收率为91%。
实施例2
(1)将1.01g硝酸铁及0.377g含结晶水的硫酸镧溶于去离子水中搅拌并超声震荡2min;
(2)将7.4g纳米γ-Al2O3粉末均匀加入到(1)中所配置的盐溶液中,搅拌均匀,超声震荡25min得到前驱体溶液;
(3)将步骤(2)所制得的前驱体溶液置于水浴震荡锅中震荡加热,将水进一步蒸出至呈现半固态的前驱体浆;
(4)将步骤(3)中所制得的前驱体浆置于电热鼓风干燥箱中于75℃干燥12h;将干燥后的催化剂前驱体移入马弗炉中以2℃/min的速度升温至260℃时维持1h,然后升温至450℃时在马弗炉中焙烧4h,得到负载Fe/La双金属的低温等离子体催化剂;
将制备的催化剂2g置于低温等离子体反应器放电区域,通入含CS2尾气,CS2的浓度为350mg/m3,在空速2600h-1,电压为20kV时,对CS2的去除效果可达到99%以上,7.5 h后产生二氧化硫浓度超过100mg/m3,此时可通过加热从催化剂中回收硫,硫单质的回收率为89%。
实施例3
(1)将2.39g碳酸铜及2.56g含结晶水的硫酸镧溶于去离子水中搅拌并超声震荡2min;
(2)将40g纳米γ-Al2O3粉末均匀加入到(1)中所配置的盐溶液中,搅拌均匀,超声震荡28min得到前驱体溶液;
(3)将步骤(2)所制得的前驱体溶液置于水浴震荡锅中震荡加热,将水进一步蒸出至呈现半固态的前驱体浆;
(4)将步骤(3)中所制得的前驱体浆置于电热鼓风干燥箱中于85℃干燥12h;将干燥后的催化剂前驱体移入马弗炉中以2℃/min的速度升温至270℃时维持1h,然后升温至400℃时在马弗炉中焙烧4h,得到负载Cu/La双金属的低温等离子体催化剂;
将制备的催化剂2g置于低温等离子体反应器放电区域,通入含CS2尾气,CS2的浓度为500mg/m3,在空速5000h-1,电压为16kV时,对CS2的去除效果可达到98%以上,5h后产生二氧化硫浓度超过100mg/m3,此时可通过加热从催化剂中回收硫,硫单质的回收率87%。
Claims (6)
1.一种DBD等离子体协同催化剂净化CS2并回收硫的方法,其特征在于,步骤如下:
(1)催化剂的制备
a、将铜盐、铁盐中的一种与镧盐置于去离子水中,搅拌并超声震荡2~4min;
b、将纳米γ-Al2O3粉末加入到步骤a混合溶液中,搅拌均匀,超声震荡25~30min,得到前驱体溶液;
c、将步骤b前驱体溶液置于水浴中震荡加热,制得半固态的前驱体浆;
d、将步骤c半固态的前驱体浆置于75~85℃下干燥12h,然后以1.5~2℃/min的速度升温至250~270℃并在此温度下处理1h,然后升温至350~450℃下焙烧4h制得γ-Al2O3负载镧基双金属催化剂;
(2)将步骤(1)γ-Al2O3负载镧基双金属催化剂置于DBD低温等离子体反应器放电区中,通入含CS2尾气,在DBD等离子体与催化剂的协同作用下,CS2转化为单质硫、一氧化碳和二氧化碳气体,通过加热催化剂的方式将硫单质回收,实现含二硫化碳尾气的净化及硫的资源化。
2.根据权利要求1所述的DBD等离子体协同催化剂净化CS2并回收硫的方法,其特征在于:铜盐为硝酸铜、硫酸铜或碳酸铜。
3.根据权利要求1所述的DBD等离子体协同催化剂净化CS2并回收硫的方法,其特征在于:铁盐为硝酸铁、硫酸铁或碳酸铁。
4.根据权利要求1所述的DBD等离子体协同催化剂净化CS2并回收硫的方法,其特征在于:镧盐为硝酸镧。
5.根据权利要求1所述的DBD等离子体协同催化剂净化CS2并回收硫的方法,其特征在于:
铜盐、铁盐中的一种与镧盐的质量比为1~4:1。
6.根据权利要求1所述的DBD等离子体协同催化剂净化CS2并回收硫的方法,其特征在于:双金属元素质量之和占催化剂总质量的4~8%。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101070491A (zh) * | 2006-05-09 | 2007-11-14 | 山东科技大学 | 一种常、低、中温脱硫剂活性组分制备方法 |
CN101121123A (zh) * | 2007-07-25 | 2008-02-13 | 太原理工大学 | 中温二硫化碳水解催化剂及其制备方法与用途 |
CN104258699A (zh) * | 2014-09-16 | 2015-01-07 | 昆明理工大学 | 等离子体与气固或气液分散系协同净化污染物的方法 |
CN104772143A (zh) * | 2015-03-18 | 2015-07-15 | 昆明理工大学 | 用于脱除低浓度二硫化碳的负载型污泥基催化剂的制备方法 |
CN107744725A (zh) * | 2017-10-20 | 2018-03-02 | 昆明理工大学 | 一种基于低温等离子体与活性炭纤维催化剂的二硫化碳脱除方法 |
US20200199301A1 (en) * | 2018-12-20 | 2020-06-25 | Gas Technology Institute | Methods and systems to decarbonize natural gas using sulfur to produce hydrogen and polymers |
CN111888900A (zh) * | 2020-08-22 | 2020-11-06 | 山东第一医科大学(山东省医学科学院) | 一种基于低温等离子体反应器与耦合催化剂的二硫化碳脱除方法 |
CN112387088A (zh) * | 2020-09-18 | 2021-02-23 | 昆明理工大学 | 一种低温等离子体协同Cu/γ-Al2O3催化剂降解羰基硫的方法 |
-
2021
- 2021-05-18 CN CN202110536962.9A patent/CN113244927B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101070491A (zh) * | 2006-05-09 | 2007-11-14 | 山东科技大学 | 一种常、低、中温脱硫剂活性组分制备方法 |
CN101121123A (zh) * | 2007-07-25 | 2008-02-13 | 太原理工大学 | 中温二硫化碳水解催化剂及其制备方法与用途 |
CN104258699A (zh) * | 2014-09-16 | 2015-01-07 | 昆明理工大学 | 等离子体与气固或气液分散系协同净化污染物的方法 |
CN104772143A (zh) * | 2015-03-18 | 2015-07-15 | 昆明理工大学 | 用于脱除低浓度二硫化碳的负载型污泥基催化剂的制备方法 |
CN107744725A (zh) * | 2017-10-20 | 2018-03-02 | 昆明理工大学 | 一种基于低温等离子体与活性炭纤维催化剂的二硫化碳脱除方法 |
US20200199301A1 (en) * | 2018-12-20 | 2020-06-25 | Gas Technology Institute | Methods and systems to decarbonize natural gas using sulfur to produce hydrogen and polymers |
CN111888900A (zh) * | 2020-08-22 | 2020-11-06 | 山东第一医科大学(山东省医学科学院) | 一种基于低温等离子体反应器与耦合催化剂的二硫化碳脱除方法 |
CN112387088A (zh) * | 2020-09-18 | 2021-02-23 | 昆明理工大学 | 一种低温等离子体协同Cu/γ-Al2O3催化剂降解羰基硫的方法 |
Non-Patent Citations (5)
Title |
---|
CHENGZHU ZHU ET AL.: "Removal of Carbon Disulfide from Gas Streams Using Dielectric Barrier Discharge Plasma Coupled with MnO2 Catalysis System", 《PLASMA CHEM PLASMA PROCESS》 * |
NAN JIANG ET AL.: "Theoretical study of the reaction of Fe+ with CS2 in gas phase", 《CHEMICAL PHYSICS LETTERS》 * |
TAO HONG LI ET AL.: "A theoretical study on the gas phase reaction of La+ with CS2", 《JOURNAL OF MOLECULAR STRUCTURE: THEOCHEM》 * |
王永成等: "气相中 Cu+ 和 Zn+与 CS2反应的计算研究", 《化学学报》 * |
路思恒等: "低温等离子体介质阻挡降解CS2", 《环境污染与防治》 * |
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