CN107879415A - A kind of domestic sewage treating compound - Google Patents

A kind of domestic sewage treating compound Download PDF

Info

Publication number
CN107879415A
CN107879415A CN201711418725.2A CN201711418725A CN107879415A CN 107879415 A CN107879415 A CN 107879415A CN 201711418725 A CN201711418725 A CN 201711418725A CN 107879415 A CN107879415 A CN 107879415A
Authority
CN
China
Prior art keywords
parts
domestic sewage
treating compound
sewage treating
rare earth
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
Application number
CN201711418725.2A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Wanjiang Intellectual Property Operation Center Co Ltd
Original Assignee
Wuhu Wanjiang Intellectual Property Operation Center Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Wanjiang Intellectual Property Operation Center Co Ltd filed Critical Wuhu Wanjiang Intellectual Property Operation Center Co Ltd
Priority to CN201711418725.2A priority Critical patent/CN107879415A/en
Publication of CN107879415A publication Critical patent/CN107879415A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/52Treatment 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds

Abstract

The invention provides a kind of domestic sewage treating compound, include the raw material of following parts by weight:Rare earth modified 30~50 parts of vermiculite, 20~40 parts of bentonite, 10~20 parts of attapulgite, 2~6 parts of molysite, 5~10 parts of aluminium salt, 10~20 parts of aluminium polychloride, 10~20 parts of bodied ferric sulfate, 8~16 parts of activated carbon, 5~10 parts of hydrogen peroxide, 50~100 parts of water.Domestic sewage treating compound provided by the invention can have higher clearance to total nitrogen, total phosphorus, ammonia nitrogen, COD, BOD, SS in water body in a short time, will not cause secondary pollution, and with sterilization, antibacterial, flocculation function.

Description

A kind of domestic sewage treating compound
Technical field
The invention belongs to water-treatment technology field, and in particular to a kind of domestic sewage treating compound.
Background technology
As the improvement of people's living standards, the discharge of sanitary sewage is increasingly severe, sanitary sewage is mainly people's day Often caused various waste water, predominantly wash water in life, substantial amounts of cellulose, starch, carbohydrate are contained in wash water With fat protein etc., the also chloride containing inorganic salts, sulfate, phosphate etc., the content of nitrogen phosphate and sulfur is characterized in Height, foul smell is easily produced in the presence of anaerobic bacteria.
In recent years, the handling process of sanitary sewage is also being updated, and has bioremediation and physical treatment method etc.. Biological method processing time is grown, and speed is slow, and efficiency is low;Physical treatment method is costly, and processing is not thorough, easily causes two Secondary pollution, does not reach discharge standard
The content of the invention
The deficiency for more than, the invention provides a kind of domestic sewage treating compound.
The technical scheme that the present invention takes is:
A kind of domestic sewage treating compound, include the raw material of following parts by weight:Rare earth modified 30~50 parts of vermiculite, bentonite 20 ~40 parts, 10~20 parts of attapulgite, 2~6 parts of molysite, 5~10 parts of aluminium salt, 10~20 parts of aluminium polychloride, bodied ferric sulfate 10~20 parts, 8~16 parts of activated carbon, 5~10 parts of hydrogen peroxide, 50~100 parts of water.
Further, it is preferable to it is the raw material for including following parts by weight:Rare earth modified 33~44 parts of vermiculite, bentonite 24~32 Part, 12~18 parts of attapulgite, 3~5 parts of molysite, 6~8 parts of magnesium salts, 5~7 parts of aluminium salt, 13~16 parts of aluminium polychloride, polymerization 12~15 parts of ferric sulfate, 10~13 parts of activated carbon, 7~9 parts of hydrogen peroxide, 52~70 parts of water.
Further, the raw material of following parts by weight is preferably comprised:It is rare earth modified 38 parts of vermiculite, 26 parts of bentonite, recessed Convex 14 parts of rod soil, 4 parts of molysite, 6 parts of aluminium salt, 15 parts of aluminium polychloride, 14 parts of bodied ferric sulfate, 12 parts of activated carbon, hydrogen peroxide 9 Part, 55 parts of water.
The domestic sewage treating compound can reach to total nitrogen in water body, total phosphorus, ammonia nitrogen, COD, BOD, SS clearance More than 90%.
The preparation method of the rare earth modified vermiculite is:By vermiculite through 300~400 DEG C of 1~2h of sintering, concentration is then added For the 0.3~0.6M rare earth ion aqueous solution, the use of alkali lye regulation pH is 10~12,30~60min of stirring reaction, centrifuges, filter After slag is dried, it is calcined 3~5 hours in 420~550 DEG C.
The preparation method of the rare earth modified vermiculite is:By vermiculite through 345 DEG C of sintering 1.5h, then adding concentration is The 0.38M lanthanum ion aqueous solution, the use of alkali lye regulation pH is 11, stirring reaction 40min, centrifuges, after filter residue and drying, in 480 DEG C Roasting 4.5 hours.
The molysite, aluminium salt are respectively ferric chloride hexahydrate and Aluminium chloride hexahydrate.
The domestic sewage treating compound preparation method comprises the following steps:
(1) bentonite and attapulgite are pre-processed through 350~380 DEG C of high-temperature roastings;
(2) molysite of formula ratio and aluminium salt are dissolved in the water of formula ratio, the pH for adding alkali lye regulation water body is 9~11;
(3) bentonite for the formula ratio for obtaining step (1) and attapulgite are added in the mixed liquor that step (2) obtains Stir 20~30min;Filter, it is standby after natural cooling through 420~460 DEG C of high-temperature roasting 2~4 hours after filter residue and drying;
(4) product and the rare earth modified vermiculite of formula ratio that obtain step (3), aluminium polychloride, bodied ferric sulfate, work Property charcoal mixing, it be 80~120 mesh that particle diameter is crushed to after stirring, you can obtain described in domestic sewage treating compound.
The alkali lye is one kind in 0.1~0.5mol/L sodium hydroxides, sodium acid carbonate.
The reasonable raw material proportioning of domestic sewage treating compound provided by the invention, by the way that bentonite, attapulgite high temperature are roasted Burn and increase its specific surface area, improve it to molysite and the adsorption effect of aluminium salt, after being adsorbed to molysite and aluminium salt, adjust it PH is alkalescence, is then handled through high-temperature roasting, has been loaded the bentonite and attapulgite of iron, aluminum oxide;Then will Both have been mixed to get the life with efficient process effect with rare earth modified vermiculite, aluminium polychloride, bodied ferric sulfate, activated carbon Sewage-treating agent living.
In the formula of domestic sewage treating compound disclosed by the invention, rare earth modified vermiculite, activated carbon have stronger absorption Effect can be effectively in adsorbed water body inorganic salts, aluminium polychloride and bodied ferric sulfate have stronger flocculation, can be notable The suspension and little particle in sewage are reduced, iron, the bentonite of aluminum oxide and attapulgite has been loaded and has carried out sanitary sewage During processing can catalyzing hydrogen peroxide oxidation so as to being decomposed to organic matter, significantly reduce COD the and BOD values in water body, this Outer hydrogen peroxide also has the function of disinfection.
Compared with prior art, the present invention has advantages below:Domestic sewage treating compound provided by the invention can be short There is higher clearance to total nitrogen, total phosphorus, ammonia nitrogen, COD, BOD, SS in water body in time, secondary pollution will not be caused, and With sterilization, antibacterial, flocculation function.
Embodiment
With reference to embodiment, the present invention is described in detail.
Embodiment 1
A kind of domestic sewage treating compound, include the raw material of following parts by weight:Rare earth modified 38 parts of vermiculite, 26 parts of bentonite, 14 parts of attapulgite, 4 parts of molysite, 6 parts of aluminium salt, 15 parts of aluminium polychloride, 14 parts of bodied ferric sulfate, 12 parts of activated carbon, peroxidating 9 parts of hydrogen, 55 parts of water.The preparation method of rare earth modified vermiculite is:By vermiculite through 345 DEG C of sintering 1.5h, then adding concentration is The 0.38M lanthanum ion aqueous solution, the use of alkali lye regulation pH is 11, stirring reaction 40min, centrifuges, after filter residue and drying, in 480 DEG C Roasting 4.5 hours.
The preparation method of the domestic sewage treating compound is:
(1) bentonite and attapulgite are pre-processed into 30min through 350 DEG C of high-temperature roastings;
(2) Ferric Chloride Hydrated of formula ratio and Aluminium chloride hexahydrate are dissolved in the water of formula ratio, add 0.1mol/L hydrogen The pH of sodium hydroxide solution regulation water body is 9;
(3) bentonite for the formula ratio for obtaining step (1) and attapulgite are added in the mixed liquor that step (2) obtains Stir 30min;Filter, it is standby after natural cooling through 420 DEG C of high-temperature roasting 4 hours after filter residue and drying;
(4) product and the rare earth modified vermiculite of formula ratio that obtain step (3), aluminium polychloride, bodied ferric sulfate, work Property charcoal mixing, after stirring, it be 80~120 mesh to be crushed to particle diameter, you can obtain described in domestic sewage treating compound;And in life The hydrogen peroxide of formula ratio is coordinated to use during sewage disposal living.
Sanitary sewage 1L is taken to add the hydrogen peroxide of domestic sewage treating compound 2g that the present embodiment obtains and formula ratio, Stirring reaction 4 hours under 300r/min, the removal of the total nitrogen tested respectively in water body after standing, total phosphorus, ammonia nitrogen, COD, BOD, SS Rate, as a result as shown in table 1.
Embodiment 2
A kind of domestic sewage treating compound, include the raw material of following parts by weight:Rare earth modified 30 parts of vermiculite, 20 parts of bentonite, 10 parts of attapulgite, 2 parts of molysite, 5 parts of aluminium salt, 10 parts of aluminium polychloride, 10 parts of bodied ferric sulfate, 8 parts of activated carbon, hydrogen peroxide 5 parts, 50 parts of water.The preparation method of rare earth modified vermiculite is:By vermiculite through 345 DEG C of sintering 1.5h, it is 0.38M then to add concentration The lanthanum ion aqueous solution, the use of alkali lye regulation pH be 11, stirring reaction 40min, centrifugation, after filter residue and drying, is calcined in 480 DEG C 4.5 hour.
The preparation method of the domestic sewage treating compound is:
(1) bentonite and attapulgite are pre-processed into 35min through 380 DEG C of high-temperature roastings;
(2) Ferric Chloride Hydrated of formula ratio and Aluminium chloride hexahydrate are dissolved in the water of formula ratio, add 0.3mol/L carbon The pH of sour hydrogen sodium solution regulation water body is 10;
(3) bentonite for the formula ratio for obtaining step (1) and attapulgite are added in the mixed liquor that step (2) obtains Stir 25min;Filter, it is standby after natural cooling through 440 DEG C of high-temperature roasting 3 hours after filter residue and drying;
(4) product and the rare earth modified vermiculite of formula ratio that obtain step (3), aluminium polychloride, bodied ferric sulfate, work Property charcoal mixing, after stirring, it be 80~120 mesh to be crushed to particle diameter, you can obtain described in domestic sewage treating compound;And in life The hydrogen peroxide of formula ratio is coordinated to use during sewage disposal living.
Sanitary sewage 1L is taken to add the hydrogen peroxide of domestic sewage treating compound 2g that the present embodiment obtains and formula ratio, Stirring reaction 4 hours under 300r/min, the removal of the total nitrogen tested respectively in water body after standing, total phosphorus, ammonia nitrogen, COD, BOD, SS Rate, as a result as shown in table 1.
Embodiment 3
A kind of domestic sewage treating compound, include the raw material of following parts by weight:Rare earth modified 50 parts of vermiculite, 40 parts of bentonite, 20 parts of attapulgite, 6 parts of molysite, 10 parts of aluminium salt, 20 parts of aluminium polychloride, 20 parts of bodied ferric sulfate, 16 parts of activated carbon, peroxidating 10 parts of hydrogen, 100 parts of water.The preparation method of rare earth modified vermiculite is:By vermiculite through 345 DEG C of sintering 1.5h, then adding concentration is The 0.38M lanthanum ion aqueous solution, the use of alkali lye regulation pH is 11, stirring reaction 40min, centrifuges, after filter residue and drying, in 480 DEG C Roasting 4.5 hours.
The preparation method of the domestic sewage treating compound is:
(1) bentonite and attapulgite are pre-processed into 20min through 380 DEG C of high-temperature roastings;
(2) Ferric Chloride Hydrated of formula ratio and Aluminium chloride hexahydrate are dissolved in the water of formula ratio, add 0.5mol/L hydrogen The pH of sodium hydroxide solution regulation water body is 11;
(3) bentonite for the formula ratio for obtaining step (1) and attapulgite are added in the mixed liquor that step (2) obtains Stir 30min;Filter, it is standby after natural cooling through 460 DEG C of high-temperature roasting 2 hours after filter residue and drying;
(4) product and the rare earth modified vermiculite of formula ratio that obtain step (3), aluminium polychloride, bodied ferric sulfate, work Property charcoal mixing, after stirring, it be 80~120 mesh to be crushed to particle diameter, you can obtain described in domestic sewage treating compound;And in life The hydrogen peroxide of formula ratio is coordinated to use during sewage disposal living.
Sanitary sewage 1L is taken to add the hydrogen peroxide of domestic sewage treating compound 2g that the present embodiment obtains and formula ratio, Stirring reaction 4 hours under 300r/min, the removal of the total nitrogen tested respectively in water body after standing, total phosphorus, ammonia nitrogen, COD, BOD, SS Rate, as a result as shown in table 1.
Comparative example 1
A kind of domestic sewage treating compound, include the raw material of following parts by weight:Rare earth modified 38 parts of vermiculite, 26 parts of bentonite, 14 parts of attapulgite, 4 parts of molysite, 6 parts of aluminium salt, 15 parts of aluminium polychloride, 14 parts of bodied ferric sulfate, 12 parts of activated carbon, peroxidating 9 parts of hydrogen.
The preparation method of rare earth modified vermiculite is:By vermiculite through 345 DEG C of sintering 1.5h, it is 0.38M's then to add concentration The lanthanum ion aqueous solution, the use of alkali lye regulation pH is 11, stirring reaction 40min, centrifuges, after filter residue and drying, 4.5 are calcined in 480 DEG C Hour.
The preparation method of the domestic sewage treating compound is:Each raw material is directly mixed according to formula ratio.
Sanitary sewage 1L is taken to add the hydrogen peroxide of domestic sewage treating compound 2g that the present embodiment obtains and formula ratio, Stirring reaction 4 hours under 300r/min, the removal of the total nitrogen tested respectively in water body after standing, total phosphorus, ammonia nitrogen, COD, BOD, SS Rate, as a result as shown in table 1.
Table 1
A kind of above-mentioned detailed description carried out with reference to embodiment to domestic sewage treating compound is illustrative rather than is limited Property, can include several embodiments according to limited scope, thus the change in the case where not departing from present general inventive concept and Modification, should belong within protection scope of the present invention.

Claims (10)

1. a kind of domestic sewage treating compound, it is characterised in that include the raw material of following parts by weight:Rare earth modified vermiculite 30~50 Part, 20~40 parts of bentonite, 10~20 parts of attapulgite, 2~6 parts of molysite, 5~10 parts of aluminium salt, 10~20 parts of aluminium polychloride, 10~20 parts of bodied ferric sulfate, 8~16 parts of activated carbon, 5~10 parts of hydrogen peroxide, 50~100 parts of water.
2. domestic sewage treating compound according to claim 1, it is characterised in that include the raw material of following parts by weight:Rare earth 33~44 parts of PERFORMANCE OF MODIFIED VERMICULITE, 24~32 parts of bentonite, 12~18 parts of attapulgite, 3~5 parts of molysite, 6~8 parts of magnesium salts, aluminium salt 5 ~7 parts, 13~16 parts of aluminium polychloride, 12~15 parts of bodied ferric sulfate, 10~13 parts of activated carbon, 7~9 parts of hydrogen peroxide, water 52~70 parts.
3. domestic sewage treating compound according to claim 1 or 2, it is characterised in that include the raw material of following parts by weight:It is dilute Native 38 parts of PERFORMANCE OF MODIFIED VERMICULITE, 26 parts of bentonite, 14 parts of attapulgite, 4 parts of molysite, 6 parts of aluminium salt, 15 parts of aluminium polychloride, polymerised sulphur Sour 14 parts of iron, 12 parts of activated carbon, 9 parts of hydrogen peroxide, 55 parts of water.
4. domestic sewage treating compound according to claim 1, it is characterised in that the domestic sewage treating compound is in water body Total nitrogen, total phosphorus, ammonia nitrogen, COD, BOD, SS clearance can reach more than 90%.
5. domestic sewage treating compound according to claim 1, it is characterised in that the preparation method of the rare earth modified vermiculite For:By vermiculite through 300~400 DEG C of 1~2h of sintering, the rare earth ion aqueous solution that concentration is 0.3~0.6M is then added, uses alkali Liquid regulation pH is 10~12,30~60min of stirring reaction, is centrifuged, and after filter residue and drying, is calcined 3~5 hours in 420~550 DEG C.
6. domestic sewage treating compound according to claim 1, it is characterised in that the preparation method of the rare earth modified vermiculite For:By vermiculite through 345 DEG C of sintering 1.5h, the lanthanum ion aqueous solution that concentration is 0.38M is then added, is using alkali lye regulation pH 11, stirring reaction 40min, centrifuge, after filter residue and drying, be calcined 4.5 hours in 480 DEG C.
7. domestic sewage treating compound according to claim 1, it is characterised in that the molysite, aluminium salt are respectively six hydrations Iron chloride and Aluminium chloride hexahydrate.
8. domestic sewage treating compound according to claim 1, it is characterised in that the domestic sewage treating compound preparation method Comprise the following steps:
(1) bentonite and attapulgite are pre-processed through 350~380 DEG C of high-temperature roastings;
(2) molysite of formula ratio and aluminium salt are dissolved in the water of formula ratio, the pH for adding alkali lye regulation water body is 9~11;
(3) bentonite for the formula ratio for obtaining step (1) and attapulgite are added in the mixed liquor that step (2) obtains and stirred 20~30min;Filter, it is standby after natural cooling through 420~460 DEG C of high-temperature roasting 2~4 hours after filter residue and drying;
(4) product and rare earth modified vermiculite, aluminium polychloride, bodied ferric sulfate, the activated carbon of formula ratio obtained step (3) Mixing, it is 80~120 mesh that particle diameter is crushed to after stirring, you can obtains described domestic sewage treating compound.
9. domestic sewage treating compound according to claim 8, it is characterised in that be additionally included in carry out sanitary sewage disposal When, the hydrogen peroxide of addition formula ratio while adding domestic sewage treating compound.
10. domestic sewage treating compound according to claim 8, it is characterised in that the alkali lye is 0.1~0.5mol/L hydrogen One kind in sodium oxide molybdena, sodium acid carbonate.
CN201711418725.2A 2017-12-25 2017-12-25 A kind of domestic sewage treating compound Pending CN107879415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711418725.2A CN107879415A (en) 2017-12-25 2017-12-25 A kind of domestic sewage treating compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711418725.2A CN107879415A (en) 2017-12-25 2017-12-25 A kind of domestic sewage treating compound

Publications (1)

Publication Number Publication Date
CN107879415A true CN107879415A (en) 2018-04-06

Family

ID=61771302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711418725.2A Pending CN107879415A (en) 2017-12-25 2017-12-25 A kind of domestic sewage treating compound

Country Status (1)

Country Link
CN (1) CN107879415A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108557943A (en) * 2018-04-16 2018-09-21 合肥聪亨新型建材科技有限公司 A kind of special water purification agent of wastewater treatment and preparation method thereof
CN108773868A (en) * 2018-08-08 2018-11-09 王义云 A kind of domestic sewage treating compound and preparation method thereof
CN108862817A (en) * 2018-05-31 2018-11-23 四川奥恒环保科技有限公司 A kind of sewage water treatment method
CN110655129A (en) * 2019-10-16 2020-01-07 四川一色三源环保工程有限公司 Preparation method of efficient water purifying agent for domestic sewage treatment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1817439A (en) * 2006-01-17 2006-08-16 昆明理工大学 Rare earth adsorbent and production thereof
CN101973616A (en) * 2010-10-29 2011-02-16 淮阴工学院 Method for preparing composite coagulant used for treating slightly polluted raw water
CN105126763A (en) * 2015-07-18 2015-12-09 常州大学 Preparation method of attapulgite composite material used for adsorbing and separating azeotrope

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1817439A (en) * 2006-01-17 2006-08-16 昆明理工大学 Rare earth adsorbent and production thereof
CN101973616A (en) * 2010-10-29 2011-02-16 淮阴工学院 Method for preparing composite coagulant used for treating slightly polluted raw water
CN105126763A (en) * 2015-07-18 2015-12-09 常州大学 Preparation method of attapulgite composite material used for adsorbing and separating azeotrope

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
梁吉艳等: "《环境工程学》", 31 October 2014, 中国建筑工业出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108557943A (en) * 2018-04-16 2018-09-21 合肥聪亨新型建材科技有限公司 A kind of special water purification agent of wastewater treatment and preparation method thereof
CN108862817A (en) * 2018-05-31 2018-11-23 四川奥恒环保科技有限公司 A kind of sewage water treatment method
CN108773868A (en) * 2018-08-08 2018-11-09 王义云 A kind of domestic sewage treating compound and preparation method thereof
CN110655129A (en) * 2019-10-16 2020-01-07 四川一色三源环保工程有限公司 Preparation method of efficient water purifying agent for domestic sewage treatment

Similar Documents

Publication Publication Date Title
CN108002472A (en) A kind of preparation method of domestic sewage treating compound
CN107879415A (en) A kind of domestic sewage treating compound
CN104338728B (en) Biomass wet detoxification method of hexavalent chromium-contained waste residues
CN106865938B (en) Treatment method for catalytic wet oxidation of sludge
CN106277278A (en) A kind of method utilizing iron oxides multiphase Fenton system to process arsenic-containing waste water
CN101531417B (en) Inorganic composite floculant, its preparation method and use in treating high-concentration dye-printing desizing waste water
CN108557943B (en) Special water purifying agent for wastewater treatment and preparation method thereof
CN107744811A (en) A kind of ozone degradation water body COD effective catalyst and preparation method thereof
CN110372061B (en) Composite water treatment agent for industrial waste acid treatment and preparation method thereof
CN105771876A (en) Preparation method of modified eggshell magnetic adsorbent and method for removing heavy metal in water
CN107252686A (en) A kind of processing method of phenol wastewater
CN110946147A (en) Safe and environment-friendly sewage disinfection powder and preparation method and application thereof
CN108373248B (en) Method for rapidly preparing porous magnetic activated coke based on dewatered sludge
CN101693593B (en) Chemical conditioning method of dehydration pretreatment of activated sludge
CN106495259A (en) A kind of efficient domestic sewage treating compound
CN105944688A (en) Preparation method for improved pineapple peel magnetic adsorbing material and method for removing heavy metal from wastewater
CN109622583A (en) A kind of method heavy-metal contaminated soil ring waste regeneration and recycled
CN108585276A (en) A kind of river sewage processing method
CN110606649B (en) Sludge conditioning and dewatering method and device
CN106746193A (en) A kind of processing method of leather-making waste water
CN105688865B (en) It is a kind of by biological adsorption agent and its preparation method and application made from tea grounds ball milling post-modification
CN114452936B (en) Preparation method and application of Fenton sludge-based magnetic adsorbent
CN114160136B (en) Preparation method of copper-iron-attapulgite-chitosan catalyst applied to heterogeneous Fenton-like system under condition of wide pH range
CN102872818A (en) Composite adsorbing material for removing zinc ions in natural water and preparation method thereof
CN106242081B (en) A kind of preparation method of organo-mineral complexing biological flocculant

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180406

RJ01 Rejection of invention patent application after publication