CN106629973A - Treating agent for tannery wastewater and preparation method thereof - Google Patents

Treating agent for tannery wastewater and preparation method thereof Download PDF

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Publication number
CN106629973A
CN106629973A CN201611172899.0A CN201611172899A CN106629973A CN 106629973 A CN106629973 A CN 106629973A CN 201611172899 A CN201611172899 A CN 201611172899A CN 106629973 A CN106629973 A CN 106629973A
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CN
China
Prior art keywords
parts
ammonium chloride
microcrystalline cellulose
sodium
leather
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Pending
Application number
CN201611172899.0A
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Chinese (zh)
Inventor
钟雄军
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Qinzhou Science And Technology Development Center
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Qinzhou Science And Technology Development Center
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Priority to CN201611172899.0A priority Critical patent/CN106629973A/en
Publication of CN106629973A publication Critical patent/CN106629973A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses a treating agent for tannery wastewater and a preparation method thereof. The treating agent is prepared from the following formula components in parts by weight: 10-20 parts of aluminum silicate, 11-13 parts of silkworm excrement, 14-16 parts of ferric sulfate, 20-30 parts of sodium alum, 20-30 parts of hexamethylene imine, 15-25 parts of dialkyldimethyl ammonium chloride solution, 10-20 parts of tea polyphenol, 15-25 parts of sodium tungstate, 13-15 parts of diethylin ethyl fiber, 10-12 parts of anhydrous calcium citrate, 14-16 parts of di-octadecyl dimethyl ammonium chloride, 5-15 parts of microcrystalline cellulose and 6-10 parts of calcium carbonate. The treating agent for tannery wastewater provided by the invention can have chemical reactions, such as, complexing, chelation, adsorption and exchange, with heavy metals under the synergic effect of the formula components in reasonable proportion, can obviously reduce the content of COD, BOD and SS in wastewater and is high in decontamination ability. Especially, the modified clay and the microcrystalline cellulose are added, so that the effect of treating chrome in the wastewater is obvious.

Description

A kind of inorganic agent of leather-making waste water and preparation method thereof
Technical field
The present invention relates to sewage treatment area, in particular to a kind of inorganic agent of leather-making waste water and preparation method thereof.
Background technology
Leather-making waste water is the waste water discharged in leather production.The characteristics of leather-making waste water is that complicated component, colourity are deep, outstanding Float is more, oxygen demand is high, the water yield is big.Leather-making waste water flows directly into channel, and rivers, lake pollution surface water can cause aquatic dynamic The dead of plant even disappeares, and may penetrate into underground water, polluted underground water.
The content of the invention
The invention provides a kind of inorganic agent of leather-making waste water and preparation method thereof, sewage-treating agent of the present invention, by each Formula has rational proportion, collective effect so that inorganic agent can with heavy metal occur be complexed, chelate, adsorb, exchange etc. it is chemical instead Should, COD, BOD and SS of sewage can be allowed to measure substantially reduction, dirt-removing power is strong.Especially be modified clay, microcrystalline cellulose plus Enter, it is obvious to the chromium treatment effect in waste water.
For achieving the above object, the present invention provides following technical scheme：
A kind of inorganic agent of leather-making waste water and preparation method thereof, is made up of following mass fraction formula components：Alumina silicate 10- 20 parts, silkworm excrement 11-13 parts, ferric sulfate 14-16 parts, sour water 20-30 parts of aluminium sodium 12, hexamethylene imine 20-30 parts, chlorination two Alkyl dimethyl amine aqueous solution 15-25 parts, Tea Polyphenols 10-20 parts, sodium tungstate 15-25 parts, diethylin ethyl cellulose 13-15 parts, Anhydrous citric acid calcium 10-12 parts, dioctadecyl dimethyl ammonium chloride 14-16 parts, microcrystalline cellulose 5-15 parts, calcium carbonate 6-10 Part.
Further：It is made up of following mass fraction formula components：10 parts of alumina silicate, 11 parts of silkworm excrement, 14 parts of ferric sulfate, sour aluminium 20 parts of 12 water of sodium, 20 parts of hexamethylene imine, 15 parts of chlorination dialkyl dimethyl amine aqueous solution, 10 parts of Tea Polyphenols, sodium tungstate 15 Part, 13 parts of diethylin ethyl cellulose, 10 parts of anhydrous citric acid calcium, 14 parts of dioctadecyl dimethyl ammonium chloride, microcrystalline cellulose Plain 5 parts, 6 parts of calcium carbonate.
Further：It is made up of following mass fraction formula components：15 parts of alumina silicate, 12 parts of silkworm excrement, 15 parts of ferric sulfate, sour aluminium 25 parts of 12 water of sodium, 25 parts of hexamethylene imine, 20 parts of chlorination dialkyl dimethyl amine aqueous solution, 15 parts of Tea Polyphenols, sodium tungstate 20 Part, 14 parts of diethylin ethyl cellulose, 11 parts of anhydrous citric acid calcium, 15 parts of dioctadecyl dimethyl ammonium chloride, microcrystalline cellulose Plain 10 parts, 8 parts of calcium carbonate.
Further：It is made up of following mass fraction formula components：20 parts of alumina silicate, 13 parts of silkworm excrement, 16 parts of ferric sulfate, sour aluminium 30 parts of 12 water of sodium, 30 parts of hexamethylene imine, 25 parts of chlorination dialkyl dimethyl amine aqueous solution, 20 parts of Tea Polyphenols, sodium tungstate 25 Part, 15 parts of diethylin ethyl cellulose, 12 parts of anhydrous citric acid calcium, 16 parts of dioctadecyl dimethyl ammonium chloride, microcrystalline cellulose Plain 15 parts, 10 parts of calcium carbonate.
Further：Preparation method of the present invention has following steps：
Step one, by alumina silicate, silkworm excrement, ferric sulfate, the sour water of aluminium sodium 12, hexamethylene imine, chlorination dialkyl group diformazan Base amine aqueous solution, Tea Polyphenols mix 15-20min, temperature 25-30 DEG C；
Step 2, it is subsequently added into sodium tungstate, diethylin ethyl cellulose, anhydrous citric acid calcium, double octadecyldimethyls Ammonium chloride stirs 22-30min, temperature 40-45 DEG C；
Step 3, be subsequently added into dioctadecyl dimethyl ammonium chloride, microcrystalline cellulose, calcium carbonate stirring 25-30min, Temperature 56-62 DEG C；
Step 4, clout is subsequently added into, stirring reaction 1-2h, temperature 62-68 DEG C；E, normal temperature is down to, is obtained final product.
The invention has the beneficial effects as follows：
1st, sewage-treating agent of the present invention, has rational proportion, collective effect so that inorganic agent energy and heavy metal by each formula The chemical reactions such as generation complexing, chelating, absorption, exchange, can allow COD, BOD and SS amount of sewage substantially to reduce, dirt-removing power By force；
2nd, be especially modified clay, the addition of microcrystalline cellulose, obvious to the chromium treatment effect in waste water.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.
Embodiment one：
A kind of inorganic agent of leather-making waste water is made up of following mass fraction formula components：Alumina silicate 10-20 parts, silkworm excrement 11- 13 parts, ferric sulfate 14-16 parts, sour water 20-30 parts of aluminium sodium 12, hexamethylene imine 20-30 parts, chlorination dialkyl dimethyl amine Solution 15-25 parts, Tea Polyphenols 10-20 parts, sodium tungstate 15-25 parts, diethylin ethyl cellulose 13-15 parts, anhydrous citric acid calcium 10-12 parts, dioctadecyl dimethyl ammonium chloride 14-16 parts, microcrystalline cellulose 5-15 parts, calcium carbonate 6-10 parts.
Embodiment two：
A kind of inorganic agent of leather-making waste water is made up of following mass fraction formula components：10 parts of alumina silicate, 11 parts of silkworm excrement, sulphur 14 parts of sour iron, 20 parts of 12 water of sour aluminium sodium, 20 parts of hexamethylene imine, 15 parts of chlorination dialkyl dimethyl amine aqueous solution, Tea Polyphenols 10 parts, 15 parts of sodium tungstate, 13 parts of diethylin ethyl cellulose, 10 parts of anhydrous citric acid calcium, dioctadecyl dimethyl ammonium chloride 14 parts, 5 parts of microcrystalline cellulose, 6 parts of calcium carbonate.
Embodiment three：
A kind of inorganic agent of leather-making waste water is made up of following mass fraction formula components：15 parts of alumina silicate, 12 parts of silkworm excrement, sulphur 15 parts of sour iron, 25 parts of 12 water of sour aluminium sodium, 25 parts of hexamethylene imine, 20 parts of chlorination dialkyl dimethyl amine aqueous solution, Tea Polyphenols 15 parts, 20 parts of sodium tungstate, 14 parts of diethylin ethyl cellulose, 11 parts of anhydrous citric acid calcium, dioctadecyl dimethyl ammonium chloride 15 parts, 10 parts of microcrystalline cellulose, 8 parts of calcium carbonate.
Example IV：
A kind of inorganic agent of leather-making waste water is made up of following mass fraction formula components：20 parts of alumina silicate, 13 parts of silkworm excrement, sulphur 16 parts of sour iron, 30 parts of 12 water of sour aluminium sodium, 30 parts of hexamethylene imine, 25 parts of chlorination dialkyl dimethyl amine aqueous solution, Tea Polyphenols 20 parts, 25 parts of sodium tungstate, 15 parts of diethylin ethyl cellulose, 12 parts of anhydrous citric acid calcium, dioctadecyl dimethyl ammonium chloride 16 parts, 15 parts of microcrystalline cellulose, 10 parts of calcium carbonate.
Embodiment five：
A kind of preparation method preparation method of the inorganic agent of leather-making waste water comprises the steps：
Step one, by alumina silicate, silkworm excrement, ferric sulfate, the sour water of aluminium sodium 12, hexamethylene imine, chlorination dialkyl group diformazan Base amine aqueous solution, Tea Polyphenols mix 15-20min, temperature 25-30 DEG C；
Step 2, it is subsequently added into sodium tungstate, diethylin ethyl cellulose, anhydrous citric acid calcium, double octadecyldimethyls Ammonium chloride stirs 22-30min, temperature 40-45 DEG C；
Step 3, be subsequently added into dioctadecyl dimethyl ammonium chloride, microcrystalline cellulose, calcium carbonate stirring 25-30min, Temperature 56-62 DEG C；
Step 4, clout is subsequently added into, stirring reaction 1-2h, temperature 62-68 DEG C；E, normal temperature is down to, is obtained final product.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art Understandable other embodiment.

Claims (5)

1. a kind of inorganic agent of leather-making waste water, it is characterised in that：It is made up of following mass fraction formula components：
Alumina silicate 10-20 parts, silkworm excrement 11-13 parts, ferric sulfate 14-16 parts, sour water 20-30 parts of aluminium sodium 12, hexamethylene imine 20-30 parts, chlorination dialkyl dimethyl amine aqueous solution 15-25 parts, Tea Polyphenols 10-20 parts, sodium tungstate 15-25 parts, diethylin second Base fiber 13-15 parts, anhydrous citric acid calcium 10-12 parts, dioctadecyl dimethyl ammonium chloride 14-16 parts, microcrystalline cellulose 5- 15 parts, calcium carbonate 6-10 parts.
2. the inorganic agent of a kind of leather-making waste water according to claim 1, it is characterised in that：Filled a prescription into by following mass fraction It is grouped into：
10 parts of alumina silicate, 11 parts of silkworm excrement, 14 parts of ferric sulfate, 20 parts of 12 water of sour aluminium sodium, 20 parts of hexamethylene imine, chlorination dioxane 15 parts of base dimethyl amine solution, 10 parts of Tea Polyphenols, 15 parts of sodium tungstate, 13 parts of diethylin ethyl cellulose, anhydrous citric acid calcium 10 Part, 14 parts of dioctadecyl dimethyl ammonium chloride, 5 parts of microcrystalline cellulose, 6 parts of calcium carbonate.
3. the inorganic agent of a kind of leather-making waste water according to claim 1, it is characterised in that：Filled a prescription into by following mass fraction It is grouped into：
15 parts of alumina silicate, 12 parts of silkworm excrement, 15 parts of ferric sulfate, 25 parts of 12 water of sour aluminium sodium, 25 parts of hexamethylene imine, chlorination dioxane 20 parts of base dimethyl amine solution, 15 parts of Tea Polyphenols, 20 parts of sodium tungstate, 14 parts of diethylin ethyl cellulose, anhydrous citric acid calcium 11 Part, 15 parts of dioctadecyl dimethyl ammonium chloride, 10 parts of microcrystalline cellulose, 8 parts of calcium carbonate.
4. the inorganic agent of a kind of leather-making waste water according to claim 1, it is characterised in that：Filled a prescription into by following mass fraction It is grouped into：
20 parts of alumina silicate, 13 parts of silkworm excrement, 16 parts of ferric sulfate, 30 parts of 12 water of sour aluminium sodium, 30 parts of hexamethylene imine, chlorination dioxane 25 parts of base dimethyl amine solution, 20 parts of Tea Polyphenols, 25 parts of sodium tungstate, 15 parts of diethylin ethyl cellulose, anhydrous citric acid calcium 12 Part, 16 parts of dioctadecyl dimethyl ammonium chloride, 15 parts of microcrystalline cellulose, 10 parts of calcium carbonate.
5. a kind of a kind of preparation method of the inorganic agent of leather-making waste water according to claim 1, it is characterised in that：Including such as Lower step：
Step one, by alumina silicate, silkworm excrement, ferric sulfate, the sour water of aluminium sodium 12, hexamethylene imine, chlorination dialkyl dimethyl amine Solution, Tea Polyphenols mix 15-20min, temperature 25-30 DEG C；
Step 2, it is subsequently added into sodium tungstate, diethylin ethyl cellulose, anhydrous citric acid calcium, double octadecyldimethyl chlorinations Ammonium stirs 22-30min, temperature 40-45 DEG C；
Step 3, be subsequently added into dioctadecyl dimethyl ammonium chloride, microcrystalline cellulose, calcium carbonate stirring 25-30min, temperature 56-62℃；
Step 4, clout is subsequently added into, stirring reaction 1-2h, temperature 62-68 DEG C；E, normal temperature is down to, is obtained final product.
CN201611172899.0A 2016-12-18 2016-12-18 Treating agent for tannery wastewater and preparation method thereof Pending CN106629973A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108773886A (en) * 2018-07-09 2018-11-09 佛山舒宜添科技有限公司 A kind of textile waste cleanser and preparation method thereof
CN111250053A (en) * 2020-01-20 2020-06-09 东南大学 Preparation method of water treatment agent for removing heavy metal ions

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104905724A (en) * 2015-05-11 2015-09-16 广德县新杭镇聚源新型材料压膜厂 Toilet lid capable of adsorbing stink substances
CN106219656A (en) * 2016-07-29 2016-12-14 马鞍山市顺达环保设备有限公司 A kind of inorganic agent for leather-making waste water and preparation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104905724A (en) * 2015-05-11 2015-09-16 广德县新杭镇聚源新型材料压膜厂 Toilet lid capable of adsorbing stink substances
CN106219656A (en) * 2016-07-29 2016-12-14 马鞍山市顺达环保设备有限公司 A kind of inorganic agent for leather-making waste water and preparation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙松等: "蚕沙的多成分综合利用研究进展", 《轻工科技》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108773886A (en) * 2018-07-09 2018-11-09 佛山舒宜添科技有限公司 A kind of textile waste cleanser and preparation method thereof
CN111250053A (en) * 2020-01-20 2020-06-09 东南大学 Preparation method of water treatment agent for removing heavy metal ions

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Application publication date: 20170510