CN106219718B - Acid sewage treating agent with high salt - Google Patents

Acid sewage treating agent with high salt Download PDF

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Publication number
CN106219718B
CN106219718B CN201610782552.1A CN201610782552A CN106219718B CN 106219718 B CN106219718 B CN 106219718B CN 201610782552 A CN201610782552 A CN 201610782552A CN 106219718 B CN106219718 B CN 106219718B
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China
Prior art keywords
parts
flocculant
raw
palygorskite
treating agent
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CN201610782552.1A
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Chinese (zh)
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CN106219718A (en
Inventor
杨伟
杜普利
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杜普利
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Priority to CN201610782552.1A priority Critical patent/CN106219718B/en
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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
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F1/52Treatment 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
    • C02F1/542Phosphorus 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
    • C02F1/56Macromolecular compounds

Abstract

The present invention relates to waste water treating agent technical fields, especially a kind of acid sewage treating agent with high salt, is made of in parts by weight following raw material: 40~45 parts of lime stone, 30~35 parts of soda lime, 10~15 parts of sodium silicate, 5~13 parts of lignin, 5~8 parts of flocculant, 2~4 parts of modification infusorial earth.Acid sewage treating agent with high salt provided by the invention carries out flocculation sedimentation removal to salinity in waste water in conjunction with lignin, flocculant, modification infusorial earth using the acid in the alkaline matters such as lime stone, soda lime, sodium silicate removal waste water.

Description

Acid sewage treating agent with high salt

Technical field

The present invention relates to waste water treating agent technical field, especially a kind of acid sewage treating agent with high salt.

Background technique

The waste water that hydrochloric acid or sulphuric acid production enterprises generate and containing with high salt, is existed a large amount of for acid waste water Chloride ion or sulfate radical.In sewage treatment, it is difficult to directly progress biological treatment, need to first pass through chemical treatment, by salt with Acidic materials removal.

And traditional sewage-treating agent, such as polyacrylamide, cationic polyacrylamide, anionic polyacrylamide, Nonionic, amphoteric ion polyacrylamide, aluminium polychloride etc. various coagulant, flocculant, it is difficult to be used in the high concentration Salt and acid waste water, cannot completely completely remove salinity.

Summary of the invention

In view of the above technical problems, the present invention provides a kind of inorganic agent suitable for acid waste water with high salt.

Specific technical solution are as follows:

Acid sewage treating agent with high salt is made of in parts by weight following raw material: 40~45 parts of lime stone, soda lime 30~ 35 parts, 10~15 parts of sodium silicate, 5~13 parts of lignin, 5~8 parts of flocculant, 2~4 parts of modification infusorial earth.Preferably, by following Raw material forms in parts by weight: 42 parts of lime stone, 12 parts of sodium silicate, 10 parts of lignin, 6 parts of flocculant, is modified 32 parts of soda lime 3 parts of diatomite.

Wherein, the preparation method of flocculant, comprising the following steps:

(1) modified paligorskite, which crushes, is made palygorskite powder;

(2) following raw material configures according to parts by weight: 80~95 parts of chitosan, 35~45 parts of neopelex, 25~30 parts of chloro- 2, the 3- propylene oxide of 40~55 parts of Cetyltrimethylammonium bromide, 1-, N, [two (the 3- methoxy propyls of N- bis- Base) phosphino- ethyl] 14~18 parts of -2- ethoxy ethyl amine, 6~10 parts of acrylyl oxy-ethyl-trimethyl salmiac, 2- metering system 3~7 parts and 7~13 parts of peroxidized t-butyl perbenzoate of sour methyl esters;Wherein it is preferred to which raw material configures according to parts by weight: shell is poly- Sugared 87 parts, 40 parts of neopelex, 47 parts of Cetyltrimethylammonium bromide, 28 parts of chloro- 2, the 3- propylene oxide of 1-, N, N- bis- [two (3- methoxy-propyl) phosphino- ethyls] 16 parts of -2- ethoxy ethyl amine, 8 parts of acrylyl oxy-ethyl-trimethyl salmiac, 3~7 parts and 10 parts of peroxidized t-butyl perbenzoate of 2- methyl methacrylate.

Mixed liquor is formed in above each raw material investment ethanol solution;Preferably, above each raw material is thrown under protection of argon gas Enter and form mixed liquor in ethanol solution, this is an important inventive point of the invention, and inventor passes through test of many times, and discovery exists Lower be added of argon gas protection can preferably protect each component to keep original character and chemical reaction occur accurately to obtain this hair Bright waste water treating agent, treatment effect are very good.

Mixed liquor vinegar acid for adjusting pH is 3~5;

30~35 DEG C are heated to, stirring is reacted, and the reaction time is 4~5h;

(3) after reaction, it is cooled to room temperature, palygorskite powder is added in the reactant of step (2);

(4) after stirring, mixture is dry, granulation obtains flocculant.

Wherein, the modified paligorskite, is prepared by following methods:

(1) palygorskite is put into hydrochloric acid solution and is acidified, concentration of hydrochloric acid 5mol/L, and acidulated condition is 75~85 DEG C, The acidification time is 1~2h, and the product after acidification removes hydrochloric acid solution through filtering again, then is washed with deionized, and is washed Product A is dried to obtain after washing;

(2) the product A of step (1) is put into acetone, after mixing evenly, adds γ-(2,3- the third oxygen of epoxy) propyl three Methoxy silane is heated to 100 DEG C, after reacting 10~12h, filters removal solution, then be washed with deionized, does after washing It is dry, obtain product B;Product A and γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane mass ratio are 1: 5~8;

(3) the product B of step (2) is put into ethyl alcohol, after mixing evenly, is added 2,4- 4-dihydroxy benzaldehyde, is heated to 90 DEG C, removal solution is filtered, then be washed with deionized, modified palygorskite, product B and 2,4- dihydroxy are dried to obtain after washing Benzaldehyde mass ratio is 1: 3~5.

Acid sewage treating agent with high salt provided by the invention is removed using alkaline matters such as lime stone, soda lime, sodium silicates Acid in waste water carries out flocculation sedimentation removal to salinity in waste water in conjunction with lignin, flocculant, modification infusorial earth.

Specific embodiment

It is described in conjunction with the embodiments a specific embodiment of the invention.

Embodiment 1

1, modified paligorskite is prepared:

(1) palygorskite is put into hydrochloric acid solution and is acidified, concentration of hydrochloric acid 5mol/L, and acidulated condition is 75 DEG C, acidification The processing time is 2h, and the product after acidification removes hydrochloric acid solution through filtering again, then is washed with deionized, dry after washing Obtain product A;

(2) the product A of step (1) is put into acetone, after mixing evenly, adds γ-(2,3- the third oxygen of epoxy) propyl three Methoxy silane is heated to 100 DEG C, after reacting 10h, filters removal solution, then be washed with deionized, dry after washing, obtains To product B;Product A and γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane mass ratio are 1: 5;

(3) the product B of step (2) is put into ethyl alcohol, after mixing evenly, is added 2,4- 4-dihydroxy benzaldehyde, is heated to 90 DEG C, removal solution is filtered, then be washed with deionized, modified palygorskite, product B and 2,4- dihydroxy are dried to obtain after washing Benzaldehyde mass ratio is 1: 4.

2, flocculant is prepared:

(1) modified paligorskite, which crushes, is made palygorskite powder;

(2) following raw material configures according to parts by weight: 80 parts of chitosan, 40 parts of neopelex, octadecyl 26 parts of chloro- 2, the 3- propylene oxide of 40 parts of trimethylammonium bromide, 1-, N, N- bis- [two (3- methoxy-propyl) phosphino- ethyls] -2- second 15 parts of oxygroup ethamine, 6 parts of acrylyl oxy-ethyl-trimethyl salmiac, 3 parts of 2- methyl methacrylate and perbenzoic acid uncle 9 parts of butyl ester;

Mixed liquor is formed in above each raw material investment ethanol solution under protection of argon gas;

Mixed liquor vinegar acid for adjusting pH is 3;

30 DEG C are heated to, stirring is reacted, reaction time 5h;

(3) after reaction, it is cooled to room temperature, palygorskite powder is added in the reactant of step (2);

(4) after stirring, mixture is dry, granulation obtains flocculant.

3, acid sewage treating agent with high salt is prepared:

Following raw material mixes in parts by weight: 45 parts of lime stone, 30 parts of soda lime, 12 parts of sodium silicate, 13 parts of lignin, wadding Solidifying 7 parts of agent, 4 parts of modification infusorial earth.

Embodiment 2

1, modified paligorskite is prepared:

(1) palygorskite is put into hydrochloric acid solution and is acidified, concentration of hydrochloric acid 5mol/L, and acidulated condition is 85 DEG C, acidification The processing time is 1h, and the product after acidification removes hydrochloric acid solution through filtering again, then is washed with deionized, dry after washing Obtain product A;

(2) the product A of step (1) is put into acetone, after mixing evenly, adds γ-(2,3- the third oxygen of epoxy) propyl three Methoxy silane is heated to 100 DEG C, after reacting 12h, filters removal solution, then be washed with deionized, dry after washing, obtains To product B;Product A and γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane mass ratio are 1: 7;

(3) the product B of step (2) is put into ethyl alcohol, after mixing evenly, is added 2,4- 4-dihydroxy benzaldehyde, is heated to 90 DEG C, removal solution is filtered, then be washed with deionized, modified palygorskite, product B and 2,4- dihydroxy are dried to obtain after washing Benzaldehyde mass ratio is 1: 5.

2, flocculant is prepared:

(1) modified paligorskite, which crushes, is made palygorskite powder;

(2) following raw material configures according to parts by weight: 95 parts of chitosan, 45 parts of neopelex, octadecyl 30 parts of chloro- 2, the 3- propylene oxide of 55 parts of trimethylammonium bromide, 1-, N, N- bis- [two (3- methoxy-propyl) phosphino- ethyls] -2- second 14 parts of oxygroup ethamine, 10 parts of acrylyl oxy-ethyl-trimethyl salmiac, 7 parts of 2- methyl methacrylate and perbenzoic acid uncle 7 parts of butyl ester;

Mixed liquor is formed in above each raw material investment ethanol solution under protection of argon gas;

Mixed liquor vinegar acid for adjusting pH is 5;

35 DEG C are heated to, stirring is reacted, reaction time 4h;

(3) after reaction, it is cooled to room temperature, palygorskite powder is added in the reactant of step (2);

(4) after stirring, mixture is dry, granulation obtains flocculant.

3, acid sewage treating agent with high salt is prepared:

Following raw material mixes in parts by weight: 42 parts of lime stone, 35 parts of soda lime, 10 parts of sodium silicate, 8 parts of lignin, wadding Solidifying 5 parts of agent, 2 parts of modification infusorial earth.

Embodiment 3

1, modified paligorskite is prepared:

(1) palygorskite is put into hydrochloric acid solution and is acidified, concentration of hydrochloric acid 5mol/L, and acidulated condition is 80 DEG C, acidification The processing time is 1.5h, and the product after acidification removes hydrochloric acid solution through filtering again, then is washed with deionized, and is done after washing It is dry to obtain product A;

(2) the product A of step (1) is put into acetone, after mixing evenly, adds γ-(2,3- the third oxygen of epoxy) propyl three Methoxy silane is heated to 100 DEG C, after reacting 10h, filters removal solution, then be washed with deionized, dry after washing, obtains To product B;Product A and γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane mass ratio are 1: 8;

(3) the product B of step (2) is put into ethyl alcohol, after mixing evenly, is added 2,4- 4-dihydroxy benzaldehyde, is heated to 90 DEG C, removal solution is filtered, then be washed with deionized, modified palygorskite, product B and 2,4- dihydroxy are dried to obtain after washing Benzaldehyde mass ratio is 1: 3.

2, flocculant is prepared:

(1) modified paligorskite, which crushes, is made palygorskite powder;

(2) following raw material configures according to parts by weight: 85 parts of chitosan, 35 parts of neopelex, octadecyl 25 parts of chloro- 2, the 3- propylene oxide of 45 parts of trimethylammonium bromide, 1-, N, N- bis- [two (3- methoxy-propyl) phosphino- ethyls] -2- second 18 parts of oxygroup ethamine, 7 parts of acrylyl oxy-ethyl-trimethyl salmiac, 5 parts of 2- methyl methacrylate and perbenzoic acid uncle 13 parts of butyl ester;

Mixed liquor is formed in above each raw material investment ethanol solution under protection of argon gas;

Mixed liquor vinegar acid for adjusting pH is 4;

30 DEG C are heated to, stirring is reacted, reaction time 5h;

(3) after reaction, it is cooled to room temperature, palygorskite powder is added in the reactant of step (2);

(4) after stirring, mixture is dry, granulation obtains flocculant.

3, acid sewage treating agent with high salt is prepared:

Following raw material mixes in parts by weight: 40 parts of lime stone, 33 parts of soda lime, 15 parts of sodium silicate, 5 parts of lignin, wadding Solidifying 8 parts of agent, 3 parts of modification infusorial earth.

Claims (1)

1. acid sewage treating agent with high salt is made of in parts by weight following raw material: 40~45 parts of lime stone, soda lime 30~35 Part, 10~15 parts of sodium silicate, 5~13 parts of lignin, 5~8 parts of flocculant, 2~4 parts of modification infusorial earth;
The preparation method of the flocculant, comprising the following steps:
(1) modified paligorskite, which crushes, is made palygorskite powder;
(2) following raw material configures according to parts by weight: 80~95 parts of chitosan, 35~45 parts of neopelex, 18 25~30 parts of chloro- 2, the 3- propylene oxide of 40~55 parts of alkyl trimethyl ammonium bromide, 1-, N, [two (3- methoxy-propyl) phosphines of N- bis- Base ethyl] 14~18 parts of -2- ethoxy ethyl amine, 6~10 parts of acrylyl oxy-ethyl-trimethyl salmiac, 2- methyl methacrylate 3~7 parts and 7~13 parts of peroxidized t-butyl perbenzoate;
Mixed liquor is formed in above each raw material investment ethanol solution under protection of argon gas;
Mixed liquor vinegar acid for adjusting pH is 3~5;
30~35 DEG C are heated to, stirring is reacted, and the reaction time is 4~5h;
(3) after reaction, it is cooled to room temperature, palygorskite powder is added in the reactant of step (2);
(4) after stirring, mixture is dry, granulation obtains flocculant;
It is characterized by: the modified paligorskite, is prepared by following methods:
(1) palygorskite is put into hydrochloric acid solution and is acidified, concentration of hydrochloric acid 5mol/L, and acidulated condition is 75~85 DEG C, acidification The processing time is 1~2h, and the product after acidification removes hydrochloric acid solution through filtering again, then is washed with deionized, after washing It is dried to obtain product A;
(2) the product A of step (1) is put into acetone, after mixing evenly, adds γ-(2,3- the third oxygen of epoxy) propyl trimethoxy Base silane is heated to 100 DEG C, after reacting 10~12h, filters removal solution, then be washed with deionized, dry after washing, obtains To product B;Product A and γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane mass ratio are 1: 5~8;
(3) the product B of step (2) is put into ethyl alcohol, after mixing evenly, is added 2,4- 4-dihydroxy benzaldehyde, is heated to 90 DEG C, Removal solution is filtered, then is washed with deionized, modified palygorskite, product B and 2,4- dihydroxy benzenes are dried to obtain after washing Formaldehyde mass ratio is 1: 3~5.
CN201610782552.1A 2016-08-30 2016-08-30 Acid sewage treating agent with high salt CN106219718B (en)

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108993451A (en) * 2018-09-10 2018-12-14 芜湖新达园林绿化集团有限公司 A kind of environmental protection and energy saving adsorbent and its preparation method and application

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1375465A (en) * 2001-03-19 2002-10-23 方超 Dispersed combined water purifying agent for purifying sewage and its usage
US6896813B1 (en) * 2003-03-31 2005-05-24 The United States Of America As Represented By The Secretary Of The Department Of The Interior Sorbant sequestration and removal of toxic metal ions
CN102838195A (en) * 2012-09-14 2012-12-26 大连格兰清水环境工程有限公司 Composite flocculant for sewage treatment
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
CN105731616A (en) * 2016-01-22 2016-07-06 南通海陵环境检测有限公司 Printing and dyeing wastewater decoloration flocculating agent and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1375465A (en) * 2001-03-19 2002-10-23 方超 Dispersed combined water purifying agent for purifying sewage and its usage
US6896813B1 (en) * 2003-03-31 2005-05-24 The United States Of America As Represented By The Secretary Of The Department Of The Interior Sorbant sequestration and removal of toxic metal ions
CN102838195A (en) * 2012-09-14 2012-12-26 大连格兰清水环境工程有限公司 Composite flocculant for sewage treatment
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
CN105731616A (en) * 2016-01-22 2016-07-06 南通海陵环境检测有限公司 Printing and dyeing wastewater decoloration flocculating agent and preparation method thereof

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