CN107082477A - A kind of sewage treatment process of sewage-treating agent and the application inorganic agent - Google Patents

A kind of sewage treatment process of sewage-treating agent and the application inorganic agent Download PDF

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Publication number
CN107082477A
CN107082477A CN201710335899.6A CN201710335899A CN107082477A CN 107082477 A CN107082477 A CN 107082477A CN 201710335899 A CN201710335899 A CN 201710335899A CN 107082477 A CN107082477 A CN 107082477A
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parts
sodium
precipitating reagent
sewage
weight
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CN201710335899.6A
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沈少华
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湖州梦源环保科技有限公司
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Publication of CN107082477A publication Critical patent/CN107082477A/en

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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
    • C02F1/28—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
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating 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
    • C02F1/5236—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
    • C02F1/5263—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
    • C02F9/00—Multistage treatment of water, waste water, or sewage
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses the sewage treatment process of a kind of sewage-treating agent and the application inorganic agent, including precipitating reagent A and precipitating reagent B, the component of the precipitating reagent A includes 30 40 parts of the water and milk matter suspending agent of N methyl aminodithioformic acid iron calcium polymer by weight, 8 15 parts of iron hydroxide, 10 20 parts of sodium citrate, 15 25 parts of nano-calcium carbonate sodium, 10 20 parts of amino-compound, 3 10 parts of sodium sulphate, 20 30 parts of sodium cellulose glycolate, the component of the precipitating reagent B includes 30 40 parts of carbon adsorbent by weight, 15 25 parts of diatomite, 8 15 parts of 15 25 parts of vermiculite and calcium oxide.

Description

A kind of sewage treatment process of sewage-treating agent and the application inorganic agent

Technical field

At the present invention relates to technical field of sewage, specially a kind of sewage-treating agent and using the sewage of the inorganic agent Science and engineering skill.

Background technology

Sewage disposal is, to make sewage reach a certain water body of draining or the water quality requirement reused, and it to be purified Process.Sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc. Every field, also comes into the daily life of common people more and more；The major technique economy of the process choice of sewage disposal Index includes：The investment of unit water is handled, the investment of unit pollutant, processing unit water power consumption and cost is cut down, cuts down unit Pollutant power consumption and cost, floor space, runnability reliability, management service complexity, total environment benefit etc.；Mesh Before, domestic main sewage water treatment method has Silvola recovery, electrodialysis, biochemical process etc., but the above method have it is with high content of technology, The problems such as investment is big, operating cost is high.

The content of the invention

It is an object of the invention to provide the sewage treatment process of a kind of sewage-treating agent and the application inorganic agent, to solve The problem of being proposed in above-mentioned background technology.

To achieve the above object, the present invention provides following technical scheme：A kind of sewage-treating agent, including precipitating reagent A and heavy Shallow lake agent B, the precipitating reagent A component water and milk matter including N- methyl aminodithioformic acid iron calcium polymer by weight are hanged Floating 30-40 parts of agent, 8-15 parts of iron hydroxide, 10-20 parts of sodium citrate, 15-25 parts of nano-calcium carbonate sodium, amino-compound 10-20 Part, 3-10 parts of sodium sulphate, 20-30 parts of sodium cellulose glycolate, the component of the precipitating reagent B include carbon adsorbent by weight 8-15 parts of 30-40 parts, 15-25 parts of diatomite, 15-25 parts of vermiculite and calcium oxide.

As a kind of preferred technical scheme of the present invention, the component of the precipitating reagent A includes N- methyl two by weight 12-18 parts of 9-14 parts of 32-38 parts of water and milk matter suspending agent, iron hydroxide, the sodium citrate of thiocarbamic acid iron calcium polymer, receive 17-23 parts of sodium carbonate of rice, 12-18 parts of amino-compound, 4-9 parts of sodium sulphate, 22-28 parts of sodium cellulose glycolate, the precipitation Agent B component includes 32-38 parts of carbon adsorbent, 17-23 parts of diatomite, 17-23 parts of vermiculite and calcium oxide 9- by weight 14 parts.

As a kind of preferred technical scheme of the present invention, the component of the precipitating reagent A includes N- methyl two by weight 12 parts of 9 parts of 32 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, the nano-calcium carbonate sodium of thiocarbamic acid iron calcium polymer 17 parts, 12 parts of amino-compound, 4 parts of sodium sulphate, 22 parts of sodium cellulose glycolate, the component of the precipitating reagent B is by weight Including 9 parts of 32 parts of carbon adsorbent, 17 parts of diatomite, 17 parts of vermiculite and calcium oxide.

As a kind of preferred technical scheme of the present invention, the component of the precipitating reagent A includes N- methyl two by weight 18 parts of 14 parts of 38 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, the nano-calcium carbonate sodium of thiocarbamic acid iron calcium polymer 23 parts, 18 parts of amino-compound, 9 parts of sodium sulphate, 28 parts of sodium cellulose glycolate, the component of the precipitating reagent B is by weight Including 14 parts of 38 parts of carbon adsorbent, 23 parts of diatomite, 23 parts of vermiculite and calcium oxide.

As a kind of preferred technical scheme of the present invention, the component of the precipitating reagent A includes N- methyl two by weight 15 parts of 11 parts of 35 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, the nano-calcium carbonate sodium of thiocarbamic acid iron calcium polymer 20 parts, 15 parts of amino-compound, 6 parts of sodium sulphate, 25 parts of sodium cellulose glycolate, the component of the precipitating reagent B is by weight Including 11 parts of 35 parts of carbon adsorbent, 20 parts of diatomite, 20 parts of vermiculite and calcium oxide.

As a kind of preferred technical scheme of the present invention, the component of the precipitating reagent A includes N- methyl two by weight 15 parts of 12 parts of 35 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, the nano-calcium carbonate sodium of thiocarbamic acid iron calcium polymer 20 parts, 15 parts of amino-compound, 7 parts of sodium sulphate, 25 parts of sodium cellulose glycolate, the component of the precipitating reagent B is by weight Including 12 parts of 35 parts of carbon adsorbent, 20 parts of diatomite, 20 parts of vermiculite and calcium oxide.

Using the sewage treatment process of the inorganic agent, mainly include the following steps that：

A, collection waste water：Sewage is collected in treatment tank A and is stirred 40-60min, is stood after stirring 2h；

B, primary sedimentation：1/2 precipitating reagent A is added in treatment tank A, stirred while adding, 20min- is stirred 30min；Add afterwards and sewage is stirred continuously in other 1/2 precipitating reagent A, adition process, 1h is stood after stirring 20min；

C, take supernatant：Supernatant is extracted with water pump afterwards, supernatant is discharged into treatment tank B, by sewage disposal The precipitation of pond A bottoms is recycled in impurity collecting box；

D, secondary precipitation：It is slowly added to be stirred continuously in precipitating reagent B, adition process in treatment tank B, mixing time For 40min-60min, 30min is stood；

E, take supernatant：Again the supernatant in treatment tank B is extracted with water pump；

F, sterilization：The supernatant extracted in step E is discharged into sterilization tank, addition chlorine dioxide carries out disinfection.

Compared with prior art, the beneficial effects of the invention are as follows：

1st, handling process of the present invention first is simple, treatment effeciency is high, can reach draining or the water quality requirement reused, And whole processing step advantages of simple, it is easy to control, more rubbish will not be produced, effectively environmental protection, cost is relatively low.

2nd, the present invention is using two kinds of precipitating reagents, can effectively remove heavy metal ion in waste water, microorganism, bulky grain Deng impurity；The water and milk matter suspending agent of N- methyl aminodithioformic acid iron calcium polymer in wherein precipitating reagent A is easily prepared, and right Heavy metal ion has extremely strong adsorption capacity, and the solution containing heavy metal ion can be improved compared with traditional flocculant The rate of settling.

3rd, precipitating reagent A can adjust the PH of water using iron hydroxide；Sodium citrate in water through oxygen, heat, light, bacterium and The effect of microorganism, it is easy to occur biodegradation, also with complexing of metal ion ability；Nano-calcium carbonate stable sodium is good, tool There is extremely strong greasy dirt adsorptivity；Amino-compound can improve water quality；Sodium sulphate can remove the color in sewage；Methylol is fine The plain sodium of dimension is capable of Gao Shui activity.

The precipitating reagent B that 4 present invention are provided component sources extensively, wherein carbon adsorbent be adsorbed as by force, purity height, filtering velocity Hurry up, steady quality, with flocculating effect and the features such as drainage effect；Diatomite has fine and smooth, loose, light weight, porous, water imbibition The strong property with permeability；Vermiculite is a kind of water softening agent, being capable of demineralized water；Calcium oxide can be filtered to remove residual The hydroxide such as Cu, Fe, Mg are precipitated.

5th, two kinds of precipitating reagents that the present invention is used easily are obtained and prepared compared with traditional precipitating reagent, and to water quality not Pollution can be produced, water quality can be improved while large granular impurity is precipitated.

6th, the sewage treatment process for two kinds of precipitating reagent connected applications inorganic agents that the present invention is used can be good at solving The problem of current sewage disposal, small investment, operating cost is low, standard water discharge.

Embodiment

The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected Enclose.

Embodiment one：

A kind of sewage-treating agent, the component of the precipitating reagent A includes N- methyl aminodithioformic acid iron by weight 15 parts of 10 parts of 8 parts of 30 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, nano-calcium carbonate sodium, the amino-compound of calcium polymer 10 parts, 3 parts of sodium sulphate, 20 parts of sodium cellulose glycolate, the component of the precipitating reagent B includes carbon adsorbent 30 by weight Part, 15 parts of diatomite, 15 parts of vermiculite and 8 parts of calcium oxide.

Embodiment two：

A kind of sewage-treating agent, the component of the precipitating reagent A includes N- methyl aminodithioformic acid iron by weight 25 parts of 120 parts of 15 parts of 40 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, nano-calcium carbonate sodium, the amino chemical combination of calcium polymer 20 parts of thing, 10 parts of sodium sulphate, 30 parts of sodium cellulose glycolate, the component of the precipitating reagent B include carbon adsorbent by weight 15 parts of 40 parts, 25 parts of diatomite, 25 parts of vermiculite and calcium oxide.

Embodiment three：

A kind of sewage-treating agent, the component of the precipitating reagent A includes N- methyl aminodithioformic acid iron by weight 17 parts of 12 parts of 9 parts of 32 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, nano-calcium carbonate sodium, the amino-compound of calcium polymer 12 parts, 4 parts of sodium sulphate, 22 parts of sodium cellulose glycolate, the component of the precipitating reagent B includes carbon adsorbent 32 by weight Part, 17 parts of diatomite, 17 parts of vermiculite and 9 parts of calcium oxide.

Example IV：

A kind of sewage-treating agent, the component of the precipitating reagent A includes N- methyl aminodithioformic acid iron by weight 20 parts of 15 parts of 11 parts of 35 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, nano-calcium carbonate sodium, the amino chemical combination of calcium polymer 15 parts of thing, 6 parts of sodium sulphate, 25 parts of sodium cellulose glycolate, the component of the precipitating reagent B include carbon adsorbent 35 by weight Part, 20 parts of diatomite, 20 parts of vermiculite and 11 parts of calcium oxide.

Embodiment five：

A kind of sewage-treating agent, the component of the precipitating reagent A includes N- methyl aminodithioformic acid iron by weight 20 parts of 15 parts of 12 parts of 35 parts of water and milk matter suspending agent, iron hydroxide, sodium citrate, nano-calcium carbonate sodium, the amino chemical combination of calcium polymer 15 parts of thing, 7 parts of sodium sulphate, 25 parts of sodium cellulose glycolate, the component of the precipitating reagent B include carbon adsorbent 35 by weight Part, 20 parts of diatomite, 20 parts of vermiculite and 12 parts of calcium oxide.

Using the sewage treatment process of the inorganic agent, mainly include the following steps that：

A, collection waste water：Sewage is collected in treatment tank A and is stirred 40-60min, is stood after stirring 2h；

B, primary sedimentation：1/2 precipitating reagent A is added in treatment tank A, stirred while adding, 20min- is stirred 30min；Add afterwards and sewage is stirred continuously in other 1/2 precipitating reagent A, adition process, 1h is stood after stirring 20min；

C, take supernatant：Supernatant is extracted with water pump afterwards, supernatant is discharged into treatment tank B, by sewage disposal The precipitation of pond A bottoms is recycled in impurity collecting box；

D, secondary precipitation：It is slowly added to be stirred continuously in precipitating reagent B, adition process in treatment tank B, mixing time For 40min-60min, 30min is stood；

E, take supernatant：Again the supernatant in treatment tank B is extracted with water pump；

F, sterilization：The supernatant extracted in step E is discharged into sterilization tank, addition chlorine dioxide carries out disinfection.

The precipitating reagent and conventional precipitation agent of various embodiments of the present invention are contrasted, data such as following table is obtained：

Understand that invention agent precipitate total time is minimum by above table data, the precipitating reagent component of use can reach most preferably Effect.

Sewage quality Common process agent Invention reagent COD concentration 800mg/L COD concentration 125mg/L COD concentration 67mg/L Chromium 2.00mg/L Chromium 1.13mg/L Chromium 0.39mg/L Lead 2.00mg/L Lead 1.25mg/L Lead 0.43mg/L Cadmium 2.00mg/L Cadmium 0.98mg/L Cadmium 0.48mg/L Cu2.00mg/L Cu1.04mg/L Cu0.51mg/L

Heavy metal and COD treatment effect in above table data, embodiment one, the precipitating reagent group of use Part can reach optimum efficiency.

Handling process of the present invention is simple, treatment effeciency is high, can reach draining or the water quality requirement reused；And it is whole Individual processing step advantages of simple, it is easy to control, will not produce more rubbish, effectively environmental protection, and cost is relatively low；In addition, The present invention can effectively remove the impurity such as heavy metal ion, microorganism, bulky grain in waste water using two kinds of precipitating reagents；Its The water and milk matter suspending agent of N- methyl aminodithioformic acid iron calcium polymer in middle precipitating reagent A is easily prepared, and heavy metal from Son has extremely strong adsorption capacity, and the sedimentation speed of the solution containing heavy metal ion can be improved compared with traditional flocculant Rate, iron hydroxide can adjust the PH of water；Sodium citrate, through oxygen, heat, light, bacterium and the effect of microorganism, holds very much in water Easily occurs biodegradation, also with complexing of metal ion ability；Nano-calcium carbonate stable sodium is good, is adsorbed with extremely strong greasy dirt Property；Amino-compound can improve water quality；Sodium sulphate can remove the color in sewage；Sodium cellulose glycolate is capable of Gao Shui's Activity；In addition, the precipitating reagent B component sources that the present invention is provided are extensively, carbon adsorbent be adsorbed as by force, purity is high, filtering velocity soon, matter Amount is stable, with flocculating effect and the features such as drainage effect；Diatomite has fine and smooth, loose, light weight, porous, water imbibition and oozed The strong property of permeability；Vermiculite is a kind of water softening agent, being capable of demineralized water；Calcium oxide can be filtered to remove the Cu of residual, Fe, The hydroxide such as Mg are precipitated；Compared with traditional precipitating reagent, easily obtain and prepare, and pollution will not be produced to water quality, heavy Water quality can be improved while the large granular impurity of shallow lake.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (7)

1. a kind of sewage-treating agent, including precipitating reagent A and precipitating reagent B, it is characterised in that：The component of the precipitating reagent A is by weight Number includes 8-15 parts of 30-40 parts of water and milk matter suspending agent, iron hydroxide, the lemon of N- methyl aminodithioformic acid iron calcium polymer 10-20 parts of sodium of lemon acid, 15-25 parts of nano-calcium carbonate sodium, 10-20 parts of amino-compound, 3-10 parts of sodium sulphate, sodium cellulose glycolate 20-30 parts, the component of the precipitating reagent B includes 30-40 parts of carbon adsorbent, 15-25 parts of diatomite, vermiculite 15- by weight 25 parts and 8-15 parts of calcium oxide.
2. a kind of sewage-treating agent according to claim 1, it is characterised in that：The component of the precipitating reagent A is by weight Include 9-14 parts of 32-38 parts of water and milk matter suspending agent, iron hydroxide, the citric acid of N- methyl aminodithioformic acid iron calcium polymer 12-18 parts of sodium, 17-23 parts of nano-calcium carbonate sodium, 12-18 parts of amino-compound, 4-9 parts of sodium sulphate, sodium cellulose glycolate 22-28 Part, the component of the precipitating reagent B include by weight 32-38 parts of carbon adsorbent, 17-23 parts of diatomite, 17-23 parts of vermiculite with And 9-14 parts of calcium oxide.
3. a kind of sewage-treating agent according to claim 1 or claim 2, it is characterised in that：The component of the precipitating reagent A is by weight Number includes 9 parts of 32 parts of water and milk matter suspending agent, iron hydroxide, the sodium citrate 12 of N- methyl aminodithioformic acid iron calcium polymer Part, 17 parts of nano-calcium carbonate sodium, 12 parts of amino-compound, 4 parts of sodium sulphate, 22 parts of sodium cellulose glycolate, the group of the precipitating reagent B Part includes 9 parts of 32 parts of carbon adsorbent, 17 parts of diatomite, 17 parts of vermiculite and calcium oxide by weight.
4. a kind of sewage-treating agent according to claim 1 or claim 2, it is characterised in that：The component of the precipitating reagent A is by weight Number includes 14 parts of 38 parts of water and milk matter suspending agent, iron hydroxide, the sodium citrate of N- methyl aminodithioformic acid iron calcium polymer 18 parts, 23 parts of nano-calcium carbonate sodium, 18 parts of amino-compound, 9 parts of sodium sulphate, 28 parts of sodium cellulose glycolate, the precipitating reagent B's Component includes 14 parts of 38 parts of carbon adsorbent, 23 parts of diatomite, 23 parts of vermiculite and calcium oxide by weight.
5. a kind of sewage-treating agent according to claim 1 or claim 2, it is characterised in that：The component of the precipitating reagent A is by weight Number includes 11 parts of 35 parts of water and milk matter suspending agent, iron hydroxide, the sodium citrate of N- methyl aminodithioformic acid iron calcium polymer 15 parts, 20 parts of nano-calcium carbonate sodium, 15 parts of amino-compound, 6 parts of sodium sulphate, 25 parts of sodium cellulose glycolate, the precipitating reagent B's Component includes 11 parts of 35 parts of carbon adsorbent, 20 parts of diatomite, 20 parts of vermiculite and calcium oxide by weight.
6. a kind of sewage-treating agent according to claim 1 or claim 2, it is characterised in that：The component of the precipitating reagent A is by weight Number includes 12 parts of 35 parts of water and milk matter suspending agent, iron hydroxide, the sodium citrate of N- methyl aminodithioformic acid iron calcium polymer 15 parts, 20 parts of nano-calcium carbonate sodium, 15 parts of amino-compound, 7 parts of sodium sulphate, 25 parts of sodium cellulose glycolate, the precipitating reagent B's Component includes 12 parts of 35 parts of carbon adsorbent, 20 parts of diatomite, 20 parts of vermiculite and calcium oxide by weight.
7. a kind of sewage treatment process of any described sewage-treating agents of application claim 1-6, it is characterised in that：Main bag Include following steps：
A, collection waste water：Sewage is collected in treatment tank A and is stirred 40-60min, 2h is stood after stirring；
B, primary sedimentation：1/2 precipitating reagent A is added in treatment tank A, stirred while adding, 20min-30min is stirred；It After add sewage be stirred continuously in other 1/2 precipitating reagent A, adition process, stand 1h after stirring 20min；
C, take supernatant：Supernatant is extracted with water pump afterwards, supernatant is discharged into treatment tank B, by treatment tank A bottoms The precipitation in portion is recycled in impurity collecting box；
D, secondary precipitation：It is slowly added to be stirred continuously in precipitating reagent B, adition process in treatment tank B, mixing time is 40min-60min, stands 30min；
E, take supernatant：Again the supernatant in treatment tank B is extracted with water pump；
F, sterilization：The supernatant extracted in step E is discharged into sterilization tank, addition chlorine dioxide carries out disinfection.
CN201710335899.6A 2017-05-12 2017-05-12 A kind of sewage treatment process of sewage-treating agent and the application inorganic agent CN107082477A (en)

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CN104478055A (en) * 2014-12-22 2015-04-01 深圳市三林生物科技工程有限公司 Sewage treatment complexing agent as well as preparation method and application method thereof
CN105384201A (en) * 2015-12-11 2016-03-09 马鞍山清净环保科技有限公司 Treatment agent for treating heavy metal sewage, and preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101781005A (en) * 2010-03-02 2010-07-21 河北农业大学 Bionomic precipitator and preparation method and application method thereof
CN102266752A (en) * 2011-06-24 2011-12-07 东北师范大学 Method for preparing carbonizing absorption grains used for purifying water
CN103496774A (en) * 2013-10-16 2014-01-08 曾立雄 Polymer heavy metal complexing precipitant capable of sterilizing, disinfecting and improving water
CN104310655A (en) * 2014-11-04 2015-01-28 常熟市浩通水利工程有限公司 Sewage treatment process
CN104478055A (en) * 2014-12-22 2015-04-01 深圳市三林生物科技工程有限公司 Sewage treatment complexing agent as well as preparation method and application method thereof
CN105384201A (en) * 2015-12-11 2016-03-09 马鞍山清净环保科技有限公司 Treatment agent for treating heavy metal sewage, and preparation method and application thereof

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Application publication date: 20170822