CN106076273A - A kind of waste gas absorption agent in Formaldehyde Production - Google Patents

A kind of waste gas absorption agent in Formaldehyde Production Download PDF

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Publication number
CN106076273A
CN106076273A CN201610479710.6A CN201610479710A CN106076273A CN 106076273 A CN106076273 A CN 106076273A CN 201610479710 A CN201610479710 A CN 201610479710A CN 106076273 A CN106076273 A CN 106076273A
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parts
waste gas
formaldehyde production
absorption agent
gas absorption
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CN201610479710.6A
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黄帆
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ANQING FENGYUAN CHEMICAL Co Ltd
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ANQING FENGYUAN CHEMICAL Co Ltd
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Priority to CN201610479710.6A priority Critical patent/CN106076273A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04Solid 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
    • B01J20/041Oxides or hydroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12Naturally occurring clays or bleaching earth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/14Diatomaceous earth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/223Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4875Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
    • B01J2220/4887Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes

Abstract

The invention discloses a kind of waste gas absorption agent in Formaldehyde Production, formulated by following parts by weight of component: 30 35 parts of mud, calcium hydroxide 20 25 parts, sepiolite powder 8 10 parts, active fruit shell carbon 5 10 parts, modification infusorial earth 7 10 parts, ceramic fibre loose wool 79 parts, plant ash 10 15 parts, cellulose ether 2.1 3.5 parts, brocide 0.4 0.8 parts, hardwood pulp 9 12 parts, suitable quantity of water.The waste gas absorption agent in Formaldehyde Production of the present invention, hole is flourishing, and adsorption is strong, function admirable, is specifically designed to and absorbs the absorption process producing waste gas in formaldehyde production, and absorption efficiency is high;And water absorption is strong, it is ensured that absorbent, can be with the globality of long term maintenance absorbent granules not by deliquescence efflorescence, it is ensured that adsorption treatment facility can be properly functioning.

Description

A kind of waste gas absorption agent in Formaldehyde Production
Technical field
The present invention relates to Formaldehyde Production technical field, particularly relate to a kind of waste gas absorption agent in Formaldehyde Production.
Background technology
Formaldehyde, also known as formaldehyde.Colourless gas, has special penetrating odor, has stimulation, fusing point-92 to human eye, nose etc. DEG C, boiling point-19.5 DEG C, soluble in water and ethanol.The concentration of aqueous solution reaches as high as 55%, it is common that 40%, referred to as formalin, It is commonly called as formalin (formalin), is the colourless liquid having penetrating odor.There is strong reducing action, particularly at alkaline solution In.Can burn, steam forms explosive mixture with air.Formaldehyde can be by methanol dehydrogenation or oxygen under the metal catalytics such as silver, copper Change and prepare, it is possible to separated by hydrocarbon oxidation product.With used as pesticides and disinfectant, phenolic resin processed, Lauxite, polyvinyl, Wu Luo The raw material of tropine, tetramethylolmethane and dyestuff etc..Formaldehyde belongs to of many uses, and it is popular that production technology is simple, raw material supply is sufficient Chemical product.Being the trunk in Downstream Products of Methanol tree, world's annual production is at about 25,000,000 tons, and the methanol of about 30% is all used for Produce formaldehyde.But formaldehyde is the aqueous solution that a kind of concentration is relatively low, economically consider to be not easy to long-distance transportation, so typically All to set up factories near main consumption market. foreign trade is the most few.Industrial main employing methanol oxidizing process and natural gas are direct Oxidizing process, can produce waste water and waste gas in formaldehyde production, the waste gas in formaldehyde production includes formaldehyde, methanol etc..Mesh Before the solid particle adsorbent of domestic waste gas pollution control and treatment, but be not the most specifically designed to and process produce in formaldehyde production useless Gas absorbent.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of waste gas absorption agent in Formaldehyde Production, Raw material is sufficient, and hole is flourishing, and adsorption is strong, function admirable, for absorbing at the waste gas absorption produced in formaldehyde production Reason, absorption efficiency is high;And water absorption is strong, it is ensured that absorbent, can be with long term maintenance absorbent granules not by deliquescence efflorescence Globality, it is ensured that adsorption treatment facility can be properly functioning;Low cost, production technology is simple.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of waste gas absorption agent in Formaldehyde Production, formulated by following parts by weight of component: mud 30-35 part, Calcium hydroxide 20-25 part, sepiolite powder 8-10 part, active fruit shell carbon 5-10 part, modification infusorial earth 7-10 part, ceramic fibre loose wool 7-9 part, plant ash 10-15 part, cellulose ether 2.1-3.5 part, brocide 0.4-0.8 part, hardwood pulp 9-12 Part, suitable quantity of water.
Preferably, the described waste gas absorption agent in Formaldehyde Production, formulated by following parts by weight of component: mud 30 parts, calcium hydroxide 22 parts, meerschaum 9 parts, active fruit shell carbon 6 parts, modification infusorial earth 8 parts, ceramic fibre loose wool 8 parts, vegetation Ash 12 parts, cellulose ether 2.5 parts, brocide 0.6 part, hardwood pulp 10 parts, suitable quantity of water.
Described modification infusorial earth is prepared by following methods: put into by kieselguhr in sodium carbonate and potassium permanganate mixed solution After soaking 4-5h, it is dried, is subsequently adding silane coupler KH560, the 0.3-0.5% being equivalent to kieselguhr weight 0.5-0.8% Calcium lignosulfonate, stir 15-20min under 0.3-0.5% hydrochloric acid 1000-1300 rev/min after, mixture is put into sonicating Learn in reactor, after it being carried out ultrasonic 1-2h with the frequency of 15-30KHz, filter, grind, obtain modification infusorial earth.
The preparation method of the described waste gas absorption agent in Formaldehyde Production, comprises the following steps:
(1) sky ceramic fibre loose wool being pulverized 120-180 mesh sieve, addition calcium hydroxide, sepiolite powder, hardwood pulp stir Mix grinding 1-2 hour, dry at 150-180 DEG C;
(2) add plant ash, modification and receive kieselguhr and suitable quantity of water, in 180-220 DEG C of mix and blend 30-50 minute;
(3) continuously adding surplus stock, be warming up to 80-120 DEG C and continue stirring 30-40 minute, dispersion is ground 1-2 hour, Pelletize is dried, discharging.
Compared with the prior art, beneficial effects of the present invention is as follows:
The waste gas absorption agent in Formaldehyde Production of the present invention, raw material is sufficient, and hole is flourishing, and adsorption is strong, performance Excellent, can be specifically designed to and absorb the absorption process producing waste gas in formaldehyde production, absorption efficiency is high;And water absorption By force, it is ensured that absorbent, can be with the globality of long term maintenance absorbent granules not by deliquescence efflorescence, it is ensured that adsorption treatment facility energy Properly functioning;Low cost, production technology is simple.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but the present invention is not limited only to these embodiments, not On the premise of departing from present inventive concept, within any improvement made all falls within protection scope of the present invention.
Embodiment 1:
A kind of waste gas absorption agent in Formaldehyde Production, formulated by following parts by weight of component: 30 parts of mud, hydrogen-oxygen Change calcium 25 parts, sepiolite powder 8 parts, active fruit shell carbon 5 parts, modification infusorial earth 7 parts, ceramic fibre loose wool 9 parts, plant ash 10 parts, Cellulose ether 2.1 parts, brocide 0.4 part, hardwood pulp 9 parts, suitable quantity of water.
Described modification infusorial earth is prepared by following methods: put into by kieselguhr in sodium carbonate and potassium permanganate mixed solution After soaking 4h, it is dried, is subsequently adding and is equivalent to the silane coupler KH560 of kieselguhr weight 0.5%, the sulfomethylated lignin of 0.3% After stirring 15min under acid calcium, 0.5% hydrochloric acid 1000 revs/min, mixture is put in sonochemistry reactor, with the frequency of 15KHz After rate carries out ultrasonic 2h to it, filter, grind, obtain modification infusorial earth.
The preparation method of the described waste gas absorption agent in Formaldehyde Production, comprises the following steps:
(1) sky ceramic fibre loose wool being pulverized 120 mesh sieves, addition calcium hydroxide, sepiolite powder, hardwood pulp stirring are ground Grind 2 hours, dry at 150 DEG C;
(2) add plant ash, modification and receive kieselguhr and suitable quantity of water, in 180 DEG C of mix and blends 30 minutes;
(3) continuously adding surplus stock, be warming up to 80 DEG C and continue stirring 40 minutes, dispersion is ground 1 hour, and pelletize is dried, Discharging.
During the waste gas that the absorbent of the present embodiment 1 produces in purifying formaldehyde production process, formaldehyde clearance reaches 96.7%, methanol clearance reaches 93.6%.
Embodiment 2:
A kind of waste gas absorption agent in Formaldehyde Production, formulated by following parts by weight of component: 30 parts of mud, hydrogen-oxygen Change calcium 22 parts, meerschaum 9 parts, active fruit shell carbon 6 parts, modification infusorial earth 8 parts, ceramic fibre loose wool 8 parts, plant ash 12 parts, fibre Dimension element 2.5 parts of ether, brocide 0.6 part, hardwood pulp 10 parts, suitable quantity of water.
Described modification infusorial earth is prepared by following methods: put into by kieselguhr in sodium carbonate and potassium permanganate mixed solution After soaking 5h, it is dried, is subsequently adding and is equivalent to the silane coupler KH560 of kieselguhr weight 0.6%, the sulfomethylated lignin of 0.4% After stirring 20min under acid calcium, 0.4% hydrochloric acid 1200 revs/min, mixture is put in sonochemistry reactor, with the frequency of 20KHz After rate carries out ultrasonic 2h to it, filter, grind, obtain modification infusorial earth.
The preparation method of the described waste gas absorption agent in Formaldehyde Production, comprises the following steps:
(1) sky ceramic fibre loose wool being pulverized 180 mesh sieves, addition calcium hydroxide, sepiolite powder, hardwood pulp stirring are ground Grind 2 hours, dry at 170 DEG C;
(2) add plant ash, modification and receive kieselguhr and suitable quantity of water, in 200 DEG C of mix and blends 40 minutes;
(3) continuously adding surplus stock, be warming up to 100 DEG C and continue stirring 35 minutes, dispersion is ground 2 hours, and pelletize is dried, Discharging.
During the waste gas that the absorbent of the present embodiment 2 produces in purifying formaldehyde production process, formaldehyde clearance reaches 98.8%, methanol clearance reaches 96.5%.
Embodiment 3:
A kind of waste gas absorption agent in Formaldehyde Production, formulated by following parts by weight of component: 35 parts of mud, hydrogen-oxygen Change calcium 25 parts, sepiolite powder 10 parts, active fruit shell carbon 10 parts, modification infusorial earth 10 parts, ceramic fibre loose wool 7 parts, plant ash 10 Part, cellulose ether 3.5 parts, brocide 0.8 part, hardwood pulp 12 parts, suitable quantity of water.
Described modification infusorial earth is prepared by following methods: put into by kieselguhr in sodium carbonate and potassium permanganate mixed solution After soaking 5h, it is dried, is subsequently adding and is equivalent to the silane coupler KH560 of kieselguhr weight 0.8%, the sulfomethylated lignin of 0.5% After stirring 20min under acid calcium, 0.5% hydrochloric acid 1300 revs/min, mixture is put in sonochemistry reactor, with the frequency of 30KHz After rate carries out ultrasonic 1h to it, filter, grind, obtain modification infusorial earth.
The preparation method of the described waste gas absorption agent in Formaldehyde Production, comprises the following steps:
(1) sky ceramic fibre loose wool being pulverized 180 mesh sieves, addition calcium hydroxide, sepiolite powder, hardwood pulp stirring are ground Grind 2 hours, dry at 1180 DEG C;
(2) add plant ash, modification and receive kieselguhr and suitable quantity of water, in 220 DEG C of mix and blends 30 minutes;
(3) continuously adding surplus stock, be warming up to 120 DEG C and continue stirring 30 minutes, dispersion is ground 2 hours, and pelletize is dried, Discharging.
During the waste gas that the absorbent of the present embodiment 2 produces in purifying formaldehyde production process, formaldehyde clearance reaches 97.3%, methanol clearance reaches 95.2%.

Claims (4)

1. the waste gas absorption agent in Formaldehyde Production, it is characterised in that: formulated by following parts by weight of component: mud 30-35 part, calcium hydroxide 20-25 part, sepiolite powder 8-10 part, active fruit shell carbon 5-10 part, modification infusorial earth 7-10 part, pottery Fiber loose wool 7-9 part, plant ash 10-15 part, cellulose ether 2.1-3.5 part, brocide 0.4-0.8 part, broad-leaved Wood pulp 9-12 part, suitable quantity of water.
Waste gas absorption agent in Formaldehyde Production the most according to claim 1, it is characterised in that: by following weight portion group Assignment system forms: 30 parts of mud, calcium hydroxide 22 parts, meerschaum 9 parts, active fruit shell carbon 6 parts, modification infusorial earth 8 parts, pottery are fine Dimension loose wool 8 parts, plant ash 12 parts, cellulose ether 2.5 parts, brocide 0.6 part, hardwood pulp 10 parts, suitable quantity of water.
Waste gas absorption agent in Formaldehyde Production the most according to claim 1, it is characterised in that: described modified diatom Soil is prepared by following methods: is put into by kieselguhr after soaking 4-5h in sodium carbonate and potassium permanganate mixed solution, is dried, then adds Enter to be equivalent to the calcium lignosulfonate of silane coupler KH560,0.3-0.5% of kieselguhr weight 0.5-0.8%, 0.3- After stirring 15-20min under 0.5% hydrochloric acid 1000-1300 rev/min, mixture is put in sonochemistry reactor, with 15- After the frequency of 30KHz carries out ultrasonic 1-2h to it, filter, grind, obtain modification infusorial earth.
The preparation method of the waste gas absorption agent in Formaldehyde Production the most according to claim 1, it is characterised in that: include Following steps:
(1) sky ceramic fibre loose wool being pulverized 120-180 mesh sieve, addition calcium hydroxide, sepiolite powder, hardwood pulp stirring are ground Grind 1-2 hour, dry at 150-180 DEG C;
(2) add plant ash, modification and receive kieselguhr and suitable quantity of water, in 180-220 DEG C of mix and blend 30-50 minute;
(3) continuously adding surplus stock, be warming up to 80-120 DEG C and continue stirring 30-40 minute, dispersion is ground 1-2 hour, pelletize Dry, discharging.
CN201610479710.6A 2016-06-27 2016-06-27 A kind of waste gas absorption agent in Formaldehyde Production Pending CN106076273A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107262062A (en) * 2017-07-18 2017-10-20 合肥峰腾节能科技有限公司 A kind of house air purifying preparation and preparation method thereof
CN108753222A (en) * 2018-06-22 2018-11-06 安徽索亚装饰材料有限公司 A kind of wallpaper adhesive reducing Form aldehyde release
CN111138965A (en) * 2019-12-02 2020-05-12 骆瑜 Paint coating capable of releasing negative oxygen ions and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102912687A (en) * 2012-09-25 2013-02-06 蚌埠凤凰滤清器有限责任公司 Filter paper for fuel filter containing modified diatomite
CN104941605A (en) * 2015-05-21 2015-09-30 蚌埠首创滤清器有限公司 Active carbon adsorbent with good effects of removing formaldehyde and removing odors
CN104984741A (en) * 2015-06-24 2015-10-21 青岛恩高运动控制技术有限公司 Efficient formaldehyde adsorbing material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102912687A (en) * 2012-09-25 2013-02-06 蚌埠凤凰滤清器有限责任公司 Filter paper for fuel filter containing modified diatomite
CN104941605A (en) * 2015-05-21 2015-09-30 蚌埠首创滤清器有限公司 Active carbon adsorbent with good effects of removing formaldehyde and removing odors
CN104984741A (en) * 2015-06-24 2015-10-21 青岛恩高运动控制技术有限公司 Efficient formaldehyde adsorbing material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107262062A (en) * 2017-07-18 2017-10-20 合肥峰腾节能科技有限公司 A kind of house air purifying preparation and preparation method thereof
CN108753222A (en) * 2018-06-22 2018-11-06 安徽索亚装饰材料有限公司 A kind of wallpaper adhesive reducing Form aldehyde release
CN111138965A (en) * 2019-12-02 2020-05-12 骆瑜 Paint coating capable of releasing negative oxygen ions and preparation method thereof

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