CN109081411A - A kind of quick flocculating agent and its preparation method and application - Google Patents

A kind of quick flocculating agent and its preparation method and application Download PDF

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Publication number
CN109081411A
CN109081411A CN201811050709.7A CN201811050709A CN109081411A CN 109081411 A CN109081411 A CN 109081411A CN 201811050709 A CN201811050709 A CN 201811050709A CN 109081411 A CN109081411 A CN 109081411A
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CN
China
Prior art keywords
flocculating agent
quick flocculating
quick
powder
agent preparation
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.)
Withdrawn
Application number
CN201811050709.7A
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Chinese (zh)
Inventor
晏继斌
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WUHU XINDA GARDEN GREENING GROUP Co Ltd
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WUHU XINDA GARDEN GREENING GROUP Co Ltd
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Priority to CN201811050709.7A priority Critical patent/CN109081411A/en
Publication of CN109081411A publication Critical patent/CN109081411A/en
Withdrawn legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/285Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds

Abstract

The invention discloses a kind of quick flocculating agent preparation method, include the following steps: to mix aluminium hydroxide, ferroso-ferric oxide, humic acid, grinding, polyethylene glycol, ethanol solution stirring is added, spray drying obtains material a;By zeolite powder, bagasse, urea, sodium hydroxide stirring, regulation system is in neutrality, filters, be washed with water, dry, pulverize, immerses in silica suspension and stir, and spray drying obtains material b;Polyacrylamide, ferric-polysilicate, talcum powder, coal gangue powder, coconut husk charcoal, material a, material b are uniformly mixed, addition microcrystalline cellulose, pectin stir evenly, and are dried to obtain quick flocculating agent.The invention also discloses a kind of quick flocculating agents.The invention also discloses the applications of above-mentioned quick flocculating agent.Gained quick flocculating agent of the invention has biggish electric polarity and gap structure abundant, can pollutant effectively in adsorbed water body, absorption property is extremely strong, and recycling rate of waterused is good, while low in cost, economic benefits.

Description

A kind of quick flocculating agent and its preparation method and application
Technical field
The present invention relates to water-treatment technology fields more particularly to a kind of quick flocculating agent and its preparation method and application.
Background technique
In tunnel durings cleaning, rivers and creeks construction etc., a large amount of sewage, mud etc. are inevitably resulted from.If will These sewage, mud directly release at the construction field (site), can cause adverse effect to water environment around.At abroad, would generally be These sewage are recycled with tank car, after retracting the sewage treatment that incity sewage treatment plant carries out profession, could be discharged, in this way Both many time had been needed, schedule delays, and need a large amount of sewage treatment expense.
Summary of the invention
Technical problems based on background technology the invention proposes a kind of quick flocculating agent and preparation method thereof and are answered There is biggish electric polarity and gap structure abundant with, gained quick flocculating agent, it can pollutant, absorption effectively in adsorbed water body Performance is extremely strong, and recycling rate of waterused is good, while low in cost, economic benefits.
A kind of quick flocculating agent preparation method proposed by the present invention, includes the following steps:
S1, aluminium hydroxide, ferroso-ferric oxide, humic acid are mixed, grinding, polyethylene glycol, ethanol solution stirring, spray is added Mist is dried to obtain material a;
S2, zeolite powder, bagasse, urea, sodium hydroxide are stirred, regulation system is in neutrality, and is filtered, is washed with water, and is done It is dry, it crushes, immerses in silica suspension and stir, spray drying obtains material b;
S3, polyacrylamide, ferric-polysilicate, talcum powder, coal gangue powder, coconut husk charcoal, material a, material b are uniformly mixed, Addition microcrystalline cellulose, pectin stir evenly, and are dried to obtain quick flocculating agent.
Preferably, in S1, ethanol solution concentration 25-45wt%.
Preferably, in S1, aluminium hydroxide, ferroso-ferric oxide, humic acid, polyethylene glycol, ethanol solution weight ratio be 40- 50:12-20:4-8:2-4:80-120.
Preferably, in S1, aluminium hydroxide, ferroso-ferric oxide, humic acid is mixed, 20-40min is ground, grinding pressure is Polyethylene glycol, ethanol solution stirring 10-20min is added in 0.3-0.7Mpa, and whipping temp is 175-185 DEG C, 220-230 DEG C of spray Mist is dried to obtain material a.
Preferably, in S2, zeolite powder, bagasse, urea, sodium hydroxide are stirred into 25-45min, whipping temp 78-86 ℃。
Preferably, it in S2, immerses in silica suspension and stirs 2-4h, whipping temp is 86-92 DEG C, and silica is outstanding Supernatant liquid concentration is 0.7-1.3wt%.
Preferably, in S2, zeolite powder, bagasse, urea, sodium hydroxide weight ratio be 8-16:16-22:4-8:4-8.
Preferably, polyacrylamide, ferric-polysilicate, talcum powder, coal gangue powder, coconut husk charcoal, material a, material b, micro- in S3 Crystalline cellulose, the weight ratio of pectin are 20-30:15-25:8-16:4-8:3-6:20-30:10-20:4-8:6-14.
A kind of quick flocculating agent proposed by the present invention is made using above-mentioned quick flocculating agent preparation method.
Application of the above-mentioned quick flocculating agent proposed by the present invention as sewage-treating agent.
In S1 of the present invention, aluminium hydroxide, ferroso-ferric oxide, humic acid compounding are ground, the carboxylic in humic acid molecular structures There are dissociable hydrogen ions for base and phenolic hydroxyl group, and contain various polarity function base, on the one hand with the iron in ferroso-ferric oxide Ion has good complexing power, and magnetic adsorption capacity is strong, and has fabulous hydrophilic and hydrogen bond action, another party with alkaloid The bond strength of face and aluminium hydroxide is high, further polyethylene glycol is cooperated to react to form aluminium hydroxide glue object, by doing by spraying After dry, adsorption strength is high;It is high with the combination degree of urea using zeolite powder, bagasse after sodium hydroxide alkalizes in S2, Cooperate with silica, it can pollutant effectively in adsorbed water body;In S3, material b cooperates material a effect, and absorption property is extremely strong, right There is absorption and package action well in most of organic molecule and inorganic heavy metal, and recycling rate of waterused is good, further Cooperate polyacrylamide, ferric-polysilicate effect, moisture is not easy to pass therethrough, and has biggish electric polarity and sky abundant Gap structure, economic benefits good while low in cost for the waste water adsorption effect containing heavy metal.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of quick flocculating agent preparation method, includes the following steps:
S1,40kg aluminium hydroxide, 20kg ferroso-ferric oxide, 4kg humic acid are mixed, grinds 40min, grinding pressure is 0.3Mpa, be added 4kg polyethylene glycol, 80kg concentration be 45wt% ethanol solution stir 10min, whipping temp be 185 DEG C, 220 DEG C spray drying obtains material a;
S2,16kg zeolite powder, 16kg bagasse, 8kg urea, 4kg sodium hydroxide are stirred into 45min, whipping temp 78 DEG C, it is in neutrality using concentration 1.2mol/L sulfuric acid solution regulation system, filters, be washed with water, dry, pulverize, immersing concentration is 4h is stirred in the silica suspension of 0.7wt%, whipping temp is 86 DEG C, and spray drying obtains material b;
S3, by 30kg polyacrylamide, 15kg ferric-polysilicate, 16kg talcum powder, 4kg coal gangue powder, 6kg coconut husk charcoal, 20kg material a, 20kg material b is uniformly mixed, and addition 4kg microcrystalline cellulose, 14kg pectin stir evenly, and is dried to obtain quick wadding Solidifying agent.
Embodiment 2
A kind of quick flocculating agent preparation method, includes the following steps:
S1,50kg aluminium hydroxide, 12kg ferroso-ferric oxide, 8kg humic acid are mixed, grinds 20min, grinding pressure is 0.7Mpa, be added 2kg polyethylene glycol, 120kg concentration be 25wt% ethanol solution stir 20min, whipping temp be 175 DEG C, 230 DEG C spray drying obtains material a;
S2,8kg zeolite powder, 22kg bagasse, 4kg urea, 8kg sodium hydroxide are stirred into 25min, whipping temp 86 DEG C, it is in neutrality using concentration 0.6mol/L sulfuric acid solution regulation system, filters, be washed with water, dry, pulverize, immersing concentration is 2h is stirred in the silica suspension of 1.3wt%, whipping temp is 92 DEG C, and spray drying obtains material b;
S3, by 20kg polyacrylamide, 25kg ferric-polysilicate, 8kg talcum powder, 8kg coal gangue powder, 3kg coconut husk charcoal, 30kg Material a, 10kg material b is uniformly mixed, and addition 8kg microcrystalline cellulose, 6kg pectin stir evenly, and is dried to obtain quick flocculating agent.
Embodiment 3
A kind of quick flocculating agent preparation method, includes the following steps:
S1,44kg aluminium hydroxide, 18kg ferroso-ferric oxide, 5kg humic acid are mixed, grinds 35min, grinding pressure is 0.4Mpa is added 3.5kg polyethylene glycol, 90kg concentration as 40wt% ethanol solution and stirs 12min, and whipping temp is 182 DEG C, 222 DEG C of spray drying obtain material a;
S2,14kg zeolite powder, 18kg bagasse, 7kg urea, 5kg sodium hydroxide are stirred into 40min, whipping temp 80 DEG C, it is in neutrality using concentration 1mol/L sulfuric acid solution regulation system, filters, be washed with water, dry, pulverize, immersing concentration is 3.5h is stirred in the silica suspension of 0.8wt%, whipping temp is 88 DEG C, and spray drying obtains material b;
S3, by 28kg polyacrylamide, 18kg ferric-polysilicate, 14kg talcum powder, 5kg coal gangue powder, 5kg coconut husk charcoal, 22kg material a, 18kg material b is uniformly mixed, and addition 5kg microcrystalline cellulose, 12kg pectin stir evenly, and is dried to obtain quick wadding Solidifying agent.
Embodiment 4
A kind of quick flocculating agent preparation method, includes the following steps:
S1,46kg aluminium hydroxide, 14kg ferroso-ferric oxide, 7kg humic acid are mixed, grinds 25min, grinding pressure is 0.6Mpa is added 2.5kg polyethylene glycol, 110kg concentration as 30wt% ethanol solution and stirs 18min, and whipping temp is 178 DEG C, 228 DEG C of spray drying obtain material a;
S2,10kg zeolite powder, 20kg bagasse, 5kg urea, 7kg sodium hydroxide are stirred into 30min, whipping temp 84 DEG C, it is in neutrality using concentration 0.8mol/L sulfuric acid solution regulation system, filters, be washed with water, dry, pulverize, immersing concentration is 2.5h is stirred in the silica suspension of 1.2wt%, whipping temp is 90 DEG C, and spray drying obtains material b;
S3, by 22kg polyacrylamide, 22kg ferric-polysilicate, 10kg talcum powder, 7kg coal gangue powder, 4kg coconut husk charcoal, 28kg material a, 12kg material b is uniformly mixed, and addition 7kg microcrystalline cellulose, 8kg pectin stir evenly, and is dried to obtain quick wadding Solidifying agent.
Embodiment 5
A kind of quick flocculating agent preparation method, includes the following steps:
S1,45kg aluminium hydroxide, 16kg ferroso-ferric oxide, 6kg humic acid are mixed, grinds 30min, grinding pressure is 0.5Mpa, be added 3kg polyethylene glycol, 100kg concentration be 35wt% ethanol solution stir 15min, whipping temp be 180 DEG C, 225 DEG C spray drying obtains material a;
S2,12kg zeolite powder, 19kg bagasse, 6kg urea, 6kg sodium hydroxide are stirred into 35min, whipping temp 82 DEG C, it is in neutrality using concentration 0.9mol/L sulfuric acid solution regulation system, filters, be washed with water, dry, pulverize, immersing concentration is 3h is stirred in the silica suspension of 1wt%, whipping temp is 89 DEG C, and spray drying obtains material b;
S3, by 25kg polyacrylamide, 20kg ferric-polysilicate, 12kg talcum powder, 6kg coal gangue powder, 4.5kg coconut husk charcoal, 25kg material a, 15kg material b is uniformly mixed, and addition 6kg microcrystalline cellulose, 10kg pectin stir evenly, and is dried to obtain quick wadding Solidifying agent.
5 gained quick flocculating agent of embodiment is used for sewage treatment, result is as follows:
Before processing After processing
Biochemical oxygen demand (BOD), mg/L 48.9 8.0
COD, mg/L 387 33.6
Total phosphorus, mg/L 0.96 0.01
SS, mg/L 236 5
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of quick flocculating agent preparation method, which comprises the steps of:
S1, aluminium hydroxide, ferroso-ferric oxide, humic acid are mixed, grinding, polyethylene glycol, ethanol solution stirring is added, it is spraying dry It is dry to obtain material a;
S2, zeolite powder, bagasse, urea, sodium hydroxide are stirred, regulation system is in neutrality, and is filtered, is washed with water, dry, powder It is broken, it immerses in silica suspension and stirs, spray drying obtains material b;
S3, polyacrylamide, ferric-polysilicate, talcum powder, coal gangue powder, coconut husk charcoal, material a, material b are uniformly mixed, are added Microcrystalline cellulose, pectin stir evenly, and are dried to obtain quick flocculating agent.
2. quick flocculating agent preparation method according to claim 1, which is characterized in that in S1, ethanol solution concentration 25- 45wt%.
3. quick flocculating agent preparation method according to claim 1 or claim 2, which is characterized in that in S1, aluminium hydroxide, four oxidations Three-iron, humic acid, polyethylene glycol, ethanol solution weight ratio be 40-50:12-20:4-8:2-4:80-120.
4. any one of -3 quick flocculating agent preparation method according to claim 1, which is characterized in that in S1, by aluminium hydroxide, Ferroso-ferric oxide, humic acid mixing, grind 20-40min, grinding pressure 0.3-0.7Mpa, polyethylene glycol, ethanol solution are added 10-20min is stirred, whipping temp is 175-185 DEG C, and 220-230 DEG C of spray drying obtains material a.
5. any one of -4 quick flocculating agent preparation method according to claim 1, which is characterized in that in S2, by zeolite powder, sweet Bagasse, urea, sodium hydroxide stir 25-45min, and whipping temp is 78-86 DEG C.
6. any one of -5 quick flocculating agent preparation method according to claim 1, which is characterized in that in S2, immerse titanium dioxide 2-4h is stirred in silicon suspension, whipping temp is 86-92 DEG C, and silica suspension concentration is 0.7-1.3wt%.
7. any one of -6 quick flocculating agent preparation method according to claim 1, which is characterized in that in S2, zeolite powder, sugarcane Slag, urea, sodium hydroxide weight ratio be 8-16:16-22:4-8:4-8.
8. any one of -7 quick flocculating agent preparation method according to claim 1, which is characterized in that in S3, polyacrylamide, Ferric-polysilicate, talcum powder, coal gangue powder, coconut husk charcoal, material a, material b, microcrystalline cellulose, pectin weight ratio be 20-30: 15-25:8-16:4-8:3-6:20-30:10-20:4-8:6-14.
9. a kind of quick flocculating agent, which is characterized in that using any one of the claim 1-7 quick flocculating agent preparation method system ?.
10. a kind of application of quick flocculating agent as claimed in claim 9 as sewage-treating agent.
CN201811050709.7A 2018-09-10 2018-09-10 A kind of quick flocculating agent and its preparation method and application Withdrawn CN109081411A (en)

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Application publication date: 20181225