CN104275146A - 一种氮氧化物废气专用吸附剂及其制备方法 - Google Patents
一种氮氧化物废气专用吸附剂及其制备方法 Download PDFInfo
- Publication number
- CN104275146A CN104275146A CN201410476234.3A CN201410476234A CN104275146A CN 104275146 A CN104275146 A CN 104275146A CN 201410476234 A CN201410476234 A CN 201410476234A CN 104275146 A CN104275146 A CN 104275146A
- Authority
- CN
- China
- Prior art keywords
- adsorbent
- special adsorbent
- sepiolite
- waterglass
- waste gas
- 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.)
- Pending
Links
- 239000003463 adsorbent Substances 0.000 title claims abstract description 28
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract description 13
- 239000002912 waste gas Substances 0.000 title abstract description 9
- 238000002360 preparation method Methods 0.000 title description 6
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 21
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004113 Sepiolite Substances 0.000 claims abstract description 15
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 15
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 15
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 15
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 12
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011812 mixed powder Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000741 silica gel Substances 0.000 abstract description 3
- 229910002027 silica gel Inorganic materials 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000003472 neutralizing effect Effects 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 238000006253 efflorescence Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 206010037844 rash Diseases 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005213 imbibition Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- RLBIQVVOMOPOHC-UHFFFAOYSA-N parathion-methyl Chemical compound COP(=S)(OC)OC1=CC=C([N+]([O-])=O)C=C1 RLBIQVVOMOPOHC-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
本发明涉及一种氮氧化物废气专用吸附剂，其特征在于：由以重量百分比计算的下列三种组分制备而成：氢氧化钙45-70％；海泡石15-20％；水玻璃10-40％。本发明以氢氧化钙作为中和剂，海泡石作为吸附剂，水玻璃作为粘合剂。在废气处理过程中水玻璃遇酸形成硅胶，不但粘结性好，吸水性强，可保证吸附剂不被潮解粉化，长期维持吸附剂颗粒的整体性。保证吸附处理设施能正常运行。水玻璃还能中和氮氧化物。
Description
技术领域
本发明属于氮氧化物废气治理技术领域，特别是涉及一种氮氧化物废气专用吸附剂及其制备方法。
背景技术
目前，国内含酸废气治理用的固体颗粒吸附剂属于广谱型制剂。可应用于治理盐酸废气、二氧化硫废气、氮氧化物废气及氟化氢废气等酸性废气。现有用于氮氧化物废气的吸附剂易吸潮粉化，堵塞设备，影响设备正常运行。需经常更换吸附剂，吸附剂利用率不高，造成吸附剂吸附效率低，影响废气处理达标率，设备运行成本高，易发生超标排放。
发明内容
本发明为解决公知技术中存在的技术问题而提供一种粘结性好，吸水性强，可保证吸附剂不被潮解粉化，可以长期维持吸附剂颗粒的整体性，保证吸附处理设施能正常运行的氮氧化物废气专用吸附剂及其制备方法。
本发明为解决公知技术中存在的技术问题所采取的技术方案是：一种氮氧化物废气专用吸附剂，其特征在于：由以重量百分比计算的下列三种组分制备而成：
氢氧化钙45-70％；
海泡石15-20％；
水玻璃10-40％。
本发明还可以采用如下技术措施：
所述氢氧化钙为大于120目的粉状；所述海泡石为大于120目的粉状；所述水玻璃为40波美度溶液。
一种制备权利要求1-2所述氮氧化物废气专用吸附剂的方法，其特征在于：包括以下步骤：
1)将氢氧化钙粉料与海泡石粉料混合均匀；
2)将上一步的混合粉料中加入水玻璃并搅拌均匀；
3)将上一步得到的混合物挤压成型；
4)风干上一步所得成型混合物，筛分包装为成品。
本发明具有的优点和积极效果是：
本发明的优点是：以氢氧化钙作为中和剂，海泡石作为吸附剂，水玻璃作为粘合剂。在废气处理过程中水玻璃遇酸形成硅胶，不但粘结性好，吸水性强，可保证吸附剂不被潮解粉化，长期维持吸附剂颗粒的整体性。保证吸附处理设施能正常运行。水玻璃还能中和氮氧化物。
具体实施方式
为能进一步了解本发明的发明内容、特点及功效，兹例举以下实施例细说明如下：
一种氮氧化物废气专用吸附剂，由以重量百分比计算的下列三种组分制备而成：
氢氧化钙45-70％；
海泡石15-20％；
水玻璃10-40％。
氢氧化钙为大于120目的粉状；海泡石为大于120目的粉状；所述水玻璃为40波美度溶液。
本实施例中，三种原料的重量配伍比例是：氢氧化钙60％；海泡石18％；水玻璃22％。氢氧化钙为150目的粉状；海泡石为150目的粉状；水玻璃为40波美度溶液。
上述氮氧化物废气专用吸附剂的制备方法括以下步骤：
1)将氢氧化钙粉料与海泡石粉料混合均匀；
2)将上一步的混合粉料中加入水玻璃并搅拌均匀；
3)将上一步得到的混合物挤压成型；
4)风干上一步所得成型混合物，筛分包装为成品。
本发明以氢氧化钙作为中和剂，海泡石作为吸附剂，水玻璃作为粘合剂。在废气处理过程中水玻璃遇酸形成硅胶，不但粘结性好，吸水性强，可保证吸附剂不被潮解粉化，长期维持吸附剂颗粒的整体性。保证吸附处理设施能正常运行。水玻璃还能中和氮氧化物。
Claims (3)
1.一种氮氧化物废气专用吸附剂，其特征在于：由以重量百分比计算的下列三种组分制备而成：
氢氧化钙45-70％；
海泡石15-20％；
水玻璃10-40％。
2.根据权利要求1所述的氮氧化物废气专用吸附剂，其特征在于：所述氢氧化钙为大于120目的粉状；所述海泡石为大于120目的粉状；所述水玻璃为40波美度溶液。
3.一种制备权利要求1-2所述氮氧化物废气专用吸附剂的方法，其特征在于：包括以下步骤：
1)将氢氧化钙粉料与海泡石粉料混合均匀；
2)将上一步的混合粉料中加入水玻璃并搅拌均匀；
3)将上一步得到的混合物挤压成型；
4)风干上一步所得成型混合物，筛分包装为成品。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476234.3A CN104275146A (zh) | 2014-09-18 | 2014-09-18 | 一种氮氧化物废气专用吸附剂及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476234.3A CN104275146A (zh) | 2014-09-18 | 2014-09-18 | 一种氮氧化物废气专用吸附剂及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104275146A true CN104275146A (zh) | 2015-01-14 |
Family
ID=52250778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410476234.3A Pending CN104275146A (zh) | 2014-09-18 | 2014-09-18 | 一种氮氧化物废气专用吸附剂及其制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104275146A (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064043A (zh) * | 2016-07-08 | 2016-11-02 | 常州天兴环保科技有限公司 | 一种tx‑gf‑jh‑10型硝酸、氮氧化物废气净化吸附剂 |
| CN109310983A (zh) * | 2016-04-25 | 2019-02-05 | 普里沃国际公司 | 固体去污组合物、获得方法及其用途 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2336636A1 (es) * | 2009-10-14 | 2010-04-14 | Universidad De Cantabria | Procedimiento para la oabtencion de un sorbente captador de so2. |
| CN102114384A (zh) * | 2011-01-21 | 2011-07-06 | 洛阳万山高新技术应用工程有限公司 | 烟气脱硝添加剂 |
-
2014
- 2014-09-18 CN CN201410476234.3A patent/CN104275146A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2336636A1 (es) * | 2009-10-14 | 2010-04-14 | Universidad De Cantabria | Procedimiento para la oabtencion de un sorbente captador de so2. |
| CN102114384A (zh) * | 2011-01-21 | 2011-07-06 | 洛阳万山高新技术应用工程有限公司 | 烟气脱硝添加剂 |
Non-Patent Citations (1)
| Title |
|---|
| 王艳磊 等: "新型复合吸附剂对NOx吸附性能的研究", 《化工矿物与加工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310983A (zh) * | 2016-04-25 | 2019-02-05 | 普里沃国际公司 | 固体去污组合物、获得方法及其用途 |
| CN109310983B (zh) * | 2016-04-25 | 2022-08-02 | 普里沃国际公司 | 固体去污组合物、获得方法及其用途 |
| CN106064043A (zh) * | 2016-07-08 | 2016-11-02 | 常州天兴环保科技有限公司 | 一种tx‑gf‑jh‑10型硝酸、氮氧化物废气净化吸附剂 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104478255B (zh) | 一种含有氧化镁脱硫废液的硫氧镁水泥及其制备方法 | |
| CN103418336B (zh) | 一种高温钙基co2吸收材料的制备方法 | |
| CN103566882A (zh) | 一种高吸附性改性活性炭及其制备方法 | |
| CN102876286A (zh) | 复合高效脱硫剂 | |
| CN103304253A (zh) | 利用赤泥和粉煤灰制备的多孔陶瓷及其制备方法 | |
| CN102814118A (zh) | 一种烟气脱硫添加剂及其制备方法和应用 | |
| CN103551123A (zh) | 一种复合球形活性炭吸附剂及其制备方法 | |
| CN104096472B (zh) | 一种二氧化碳/二氧化硫钙基吸收剂及其制备方法 | |
| CN102284272B (zh) | 粉煤灰基烟气脱汞吸附剂 | |
| CN104556882A (zh) | 一种利用建筑材料制造具有碳封存功能的混凝土制品的方法 | |
| CN103691394A (zh) | 一种碱性改性活性炭脱硫剂及其制备方法 | |
| CN103521178A (zh) | 一种处理含酚废水的竹质改性活性炭吸附剂及其制备方法 | |
| CN103495392A (zh) | 一种柠檬酸改性活性炭材料及其制备方法 | |
| CN104275146A (zh) | 一种氮氧化物废气专用吸附剂及其制备方法 | |
| CN104245118A (zh) | 酸性气体处理剂及其制造方法以及酸性气体处理剂用添加剂 | |
| CN104162403B (zh) | 一种混合酸改性钙基吸附剂及其制备方法和应用 | |
| CN102923978B (zh) | 一种利用焚烧飞灰制备硫铝酸盐水泥原料的方法及硫铝酸盐水泥的配方 | |
| CN107162547A (zh) | 一种全磷渣胶凝充填材料及其应用 | |
| CN110655342A (zh) | 一种能够吸收和固化封存二氧化碳的改性赤泥及其制备方法 | |
| CN102219427A (zh) | 一种用于脱硫建筑石膏的缓凝剂及其制备方法 | |
| CN101492177B (zh) | 一种黄磷尾气还原分解磷石膏的方法 | |
| CN104368311A (zh) | 一种可再生防霾口罩吸附剂及其制备方法 | |
| CN103143316A (zh) | 利用高铝酸盐水泥为原料制备除氟剂的方法 | |
| CN102294221A (zh) | 适合高湿度环境用凹土基吸附干燥剂的制备方法 | |
| CN106179226A (zh) | 一种NOx吸附剂及其制备方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150114 |
|
| RJ01 | Rejection of invention patent application after publication |