CN107129057A - A kind of compound dephosphorization agent and preparation method thereof - Google Patents

A kind of compound dephosphorization agent and preparation method thereof Download PDF

Info

Publication number
CN107129057A
CN107129057A CN201710575467.2A CN201710575467A CN107129057A CN 107129057 A CN107129057 A CN 107129057A CN 201710575467 A CN201710575467 A CN 201710575467A CN 107129057 A CN107129057 A CN 107129057A
Authority
CN
China
Prior art keywords
dephosphorization agent
mass percent
compound dephosphorization
preparation
compound
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
CN201710575467.2A
Other languages
Chinese (zh)
Inventor
杨光
张正刚
陈华
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.)
Shenzhen Hualian Environmental Protection Technology Co Ltd
Original Assignee
Shenzhen Hualian Environmental Protection Technology 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 Shenzhen Hualian Environmental Protection Technology Co Ltd filed Critical Shenzhen Hualian Environmental Protection Technology Co Ltd
Priority to CN201710575467.2A priority Critical patent/CN107129057A/en
Publication of CN107129057A publication Critical patent/CN107129057A/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
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The present invention relates to a kind of compound dephosphorization agent and preparation method thereof, it is 28%-41% including sugared mass percent, soda ash mass percent is 0.08%-0.2%, and magnesium salts mass percent is 1.2%-1.52%, calcium salt mass percent is 0.1%-0.33%, and remaining is water;Designed more than, improve microbial activity using the extraordinary carbohydrate of biodegradability (glucose, white sugar etc.), improve biological phosphate-eliminating efficiency, and add a small amount of calcium and magnesium salts, the phosphorus of guanite (ammonium magnesium phosphate) precipitation, effectively control remnants of indissoluble is formed, makes phosphorus content reduction in below 0.5mg/l, the inorganic sludge quantity that the product is produced seldom, significantly reduces the processing pressure of solid sludges.

Description

A kind of compound dephosphorization agent and preparation method thereof
Technical field
The present invention relates to dephosphorization agent and preparation method thereof, more particularly to a kind of compound dephosphorization agent and preparation method thereof.
Background technology
Phosphorus in aquatic environment is one of important indicator of body eutrophication, and China's body eutrophication is increasingly severe, Trade effluent and sanitary sewage discharge standard are also improved year by year, and phosphorus is improved till now as index of keeping under strict control from 5mg/l several years ago 0.5mg/l, traditional biological phosphate-eliminating can not accomplish qualified discharge, it is necessary to which auxiliary, which adds chemicals dephosphorization agent, to be met It is required that.
At present, most of dephosphorization agent in inorganic molysite, aluminium salt, calcium salt or iron aluminium calcium and magnesium compound based on, formed Metal phosphate is precipitated, and is removed by way of spoil disposal, phosphor-removing effect is good, but the utilization rate of product is low, sludge output big, great Liang Jin The addition of category thing is unfavorable for biosystem growth, is unfavorable for sludge incineration or compost disposal.
The content of the invention
It is an object of the invention to provide a kind of compound dephosphorization agent and preparation method thereof, to solve the upper of prior art presence State at least one of defect.
For up to above-mentioned purpose, the technical solution adopted by the present invention is as follows:
A kind of compound dephosphorization agent, it is characterised in that the percentage by weight composition of the compound dephosphorization agent is as follows:Saccharic Amount percentage is 28%-41%, and soda ash mass percent is 0.08%-0.2%, and magnesium salts mass percent is 1.2%- 1.52%, calcium salt mass percent is 0.1%-0.33%, and remaining is water.
Preferably, the percentage by weight composition of the compound dephosphorization agent is as follows:Sugared mass percent is 30%-40%, Soda ash mass percent is 0.1%-0.18%, and magnesium salts mass percent is 1.25%-1.46%, and calcium salt mass percent is 0.15%-0.3%, remaining is water.
Preferably, the sugar is glucose or white sugar.
Preferably, the magnesium salts is magnesium chloride.
Preferably, the calcium salt is calcium chloride.
A kind of preparation method of compound dephosphorization agent, it is characterised in that the preparation method includes:
S1:To a cube plastics retort injection running water, magnesium chloride is added, is stirred, fully dissolving;
S2:Continue to add calcium chloride to above-mentioned retort, stir, fully dissolving;
S3:Under stirring, sugar is continuously added, is stirred;
S4:Soda ash dry powder is added by automatically controlling, intermittence stirring makes pH value stable between 7.2-9.
Preferably, mixing time is 13-25min in the step S1.
Preferably, mixing time is 13-25min in the step S2.
Preferably, mixing time is 28-42min in the step S3.
Preferably, the step S4 intermittents mixing time is 4-5 hours, is stirred 9-15 minutes, the 15-25 that rests points Clock, temperature control is below 20 degrees Celsius in whipping process.
Compared with prior art, the present invention at least has the advantages that:The present invention includes sugared mass percent 28%-41%, soda ash mass percent is 0.08%-0.2%, and magnesium salts mass percent is 1.2%-1.52%, calcium salt quality Percentage is 0.1%-0.33%, and remaining is water;Designed more than, it is (glucose, white using the extraordinary carbohydrate of biodegradability Sugar etc.) improve microbial activity, improve biological phosphate-eliminating efficiency, and a small amount of calcium and magnesium salts is added, form the guanite of indissoluble (ammonium magnesium phosphate) is precipitated, effectively the remaining phosphorus of control, the inorganic dirt for making phosphorus content reduction be produced in below 0.5mg/l, the product Mud amount seldom, significantly reduces the processing pressure of solid sludges.
Embodiment
Below according to embodiment, the present invention will be further described.
The composition of four kinds of compound dephosphorization agents is provided below, it is specific as follows.
Embodiment one
A kind of compound dephosphorization agent, the percentage by weight composition of the compound dephosphorization agent is as follows:Sugared mass percent is 28%, soda ash mass percent is 0.08%, and magnesium salts mass percent is 1.2%, and calcium salt mass percent is 0.1%, remaining For water.
By taking sewage treatment plants practical application of the south containing trade effluent as an example, the sewage treatment plant uses A2O techniques, The compound dephosphorization agent of embodiment one, processing data such as following table are added in aerobic section:
The inorganic salts proportion that precipitation is formed in medicament only has 1.58%, compared to general inorganic dephosphorization agent entirely by precipitation The sludge that dephosphorization is formed will be many less.
Embodiment two
A kind of compound dephosphorization agent, the percentage by weight composition of the compound dephosphorization agent is as follows:Sugared mass percent is 41%, soda ash mass percent is 0.2%, and magnesium salts mass percent is 1.52%, and calcium salt mass percent is 0.33%, remaining For water.
By taking sewage treatment plants practical application of the south containing trade effluent as an example, the sewage treatment plant uses A2O techniques, The compound dephosphorization agent of embodiment two, processing data such as following table are added in aerobic section:
The inorganic salts proportion that precipitation is formed in medicament only has 1.51%, compared to general inorganic dephosphorization agent entirely by precipitation The sludge that dephosphorization is formed will be many less.
Embodiment three
A kind of compound dephosphorization agent, the percentage by weight composition of the compound dephosphorization agent is as follows:Sugared mass percent is 35%, soda ash mass percent is 0.14%, and magnesium salts mass percent is 1.36%, and calcium salt mass percent is 0.21%, its Yu Weishui.
By taking sewage treatment plants practical application of the south containing trade effluent as an example, the sewage treatment plant uses A2O techniques, The compound dephosphorization agent of embodiment three, processing data such as following table are added in aerobic section:
The inorganic salts proportion that precipitation is formed in medicament only has 1.57%, compared to general inorganic dephosphorization agent entirely by precipitation The sludge that dephosphorization is formed will be many less.
Example IV
A kind of compound dephosphorization agent, the percentage by weight composition of the compound dephosphorization agent is as follows:Sugared mass percent is 33%, soda ash mass percent is 0.13%, and magnesium salts mass percent is 1.33%, and calcium salt mass percent is 0.3%, remaining For water.
By taking sewage treatment plants practical application of the south containing trade effluent as an example, the sewage treatment plant uses A2O techniques, The compound dephosphorization agent of example IV, processing data such as following table are added in aerobic section:
The inorganic salts proportion that precipitation is formed in medicament only has 1.61%, compared to general inorganic dephosphorization agent entirely by precipitation The sludge that dephosphorization is formed will be many less.
It is specific as follows according to above-mentioned compound dephosphorization agent, it is proposed that the preparation method of several compound dephosphorization agent.
Embodiment five
3000kg running water is injected to 5 cubes of plastics retort, 60kg magnesium chlorides (magnesium chloride hexahydrate) is added, stirs 13min, fully dissolving;
Continue to add 12kg calcium chloride (calcium chloride dihydrate) to above-mentioned retort, stir 13min, fully dissolving;
Under stirring, sugar (glucose or white sugar) 1500kg is continuously added, 28min is stirred;
PH instrument sets 7.5~8.5, and soda ash (sodium carbonate) dry powder is added by automatically controlling, intermittence 4 hours of stirring (stirring 9min, stop 15min), temperature control makes pH value stable 7.5~8.5 below 20 DEG C.
Embodiment six
3000kg running water is injected to 5 cubes of plastics retort, 60kg magnesium chlorides (magnesium chloride hexahydrate) is added, stirs 25min, fully dissolving;
Continue to add 12kg calcium chloride (calcium chloride dihydrate) to above-mentioned retort, stir 25min, fully dissolving;
Under stirring, sugar (glucose or white sugar) 1500kg is continuously added, 42min is stirred;
PH instrument sets 7.5~8.5, and soda ash (sodium carbonate) dry powder is added by automatically controlling, intermittence 5 hours of stirring (stirring 9min, stop 15min), temperature control makes pH value stable 7.5~8.5 below 20 DEG C.
Embodiment seven
3000kg running water is injected to 5 cubes of plastics retort, 60kg magnesium chlorides (magnesium chloride hexahydrate) is added, stirs 19min, fully dissolving;
Continue to add 12kg calcium chloride (calcium chloride dihydrate) to above-mentioned retort, stir 19min, fully dissolving;
Under stirring, sugar (glucose or white sugar) 1500kg is continuously added, 35min is stirred;
PH instrument sets 7.5~8.5, and soda ash (sodium carbonate) dry powder is added by automatically controlling, intermittence 4 hours of stirring (stirring 12min, stop 20min), temperature control makes pH value stable 7.5~8.5 below 20 DEG C.
The present invention is described in detail above by specific embodiment, these detailed description are only limited to help Skilled artisan understands that present disclosure, can not be interpreted as limiting the scope of the invention.The guarantor of the present invention Shield scope is defined by the content of claims.

Claims (10)

1. a kind of compound dephosphorization agent, it is characterised in that the percentage by weight composition of the compound dephosphorization agent is as follows:Saccharic amount Percentage is 28%-41%, and soda ash mass percent is 0.08%-0.2%, and magnesium salts mass percent is 1.2%-1.52%, Calcium salt mass percent is 0.1%-0.33%, and remaining is water.
2. a kind of compound dephosphorization agent according to claim 1, it is characterised in that the weight hundred of the compound dephosphorization agent Divide as follows than constituting:Sugared mass percent is 30%-40%, and soda ash mass percent is 0.1%-0.18%, magnesium salts quality hundred Divide than being 1.25%-1.46%, calcium salt mass percent is 0.15%-0.3%, and remaining is water.
3. a kind of compound dephosphorization agent according to claim 1 or 2, it is characterised in that the sugar is glucose or white sugar.
4. a kind of compound dephosphorization agent according to claim 3, it is characterised in that the magnesium salts is magnesium chloride.
5. a kind of compound dephosphorization agent according to claim 4, it is characterised in that the calcium salt is calcium chloride.
6. the preparation method of the compound dephosphorization agent in a kind of 1-5 such as claim as described in any one, it is characterised in that described Preparation method includes:
S1:To a cube plastics retort injection running water, magnesium chloride is added, is stirred, fully dissolving;
S2:Continue to add calcium chloride to above-mentioned retort, stir, fully dissolving;
S3:Under stirring, sugar is continuously added, is stirred;
S4:Soda ash dry powder is added by automatically controlling, intermittence stirring makes pH value stable between 7.2-9.
7. the preparation method of compound dephosphorization agent according to claim 6, it is characterised in that when being stirred in the step S1 Between be 13-25min.
8. the preparation method of the compound dephosphorization agent according to claim 7 or 8, it is characterised in that stirred in the step S2 The time is mixed for 13-25min.
9. the preparation method of compound dephosphorization agent according to claim 8, it is characterised in that when being stirred in the step S3 Between be 28-42min.
10. the preparation method of compound dephosphorization agent according to claim 9, it is characterised in that interval in the step S4 Property mixing time be 4-5 hour, stirring 9-15 minutes, rest 15-25 minutes, temperature control is at 20 degrees Celsius in whipping process Below.
CN201710575467.2A 2017-07-14 2017-07-14 A kind of compound dephosphorization agent and preparation method thereof Pending CN107129057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710575467.2A CN107129057A (en) 2017-07-14 2017-07-14 A kind of compound dephosphorization agent and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710575467.2A CN107129057A (en) 2017-07-14 2017-07-14 A kind of compound dephosphorization agent and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107129057A true CN107129057A (en) 2017-09-05

Family

ID=59737592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710575467.2A Pending CN107129057A (en) 2017-07-14 2017-07-14 A kind of compound dephosphorization agent and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107129057A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113896307A (en) * 2021-11-04 2022-01-07 安徽绿洁环境科技有限公司 Composite phosphorus removal agent for sewage treatment and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106006954A (en) * 2016-05-24 2016-10-12 广东省环境科学研究院 Method adopting waste molasses as nitrogen removal reinforcing carbon source of sewage treatment plant
CN106573811A (en) * 2014-06-17 2017-04-19 诺维信公司 Biological phosphorus removal from wastewater

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106573811A (en) * 2014-06-17 2017-04-19 诺维信公司 Biological phosphorus removal from wastewater
CN106006954A (en) * 2016-05-24 2016-10-12 广东省环境科学研究院 Method adopting waste molasses as nitrogen removal reinforcing carbon source of sewage treatment plant

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
冯生华等: "生物除磷糖控制(CHC)工艺的试验研究", 《给水排水》 *
周建石: "厌氧养猪废水中磷的化学固定与回收原理研究", 《中国优秀硕士学位论文全文数据库(电子期刊)》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113896307A (en) * 2021-11-04 2022-01-07 安徽绿洁环境科技有限公司 Composite phosphorus removal agent for sewage treatment and preparation method thereof

Similar Documents

Publication Publication Date Title
CN107935163A (en) Carbon source solution from agriculture derivative and its preparation method and application
CN104086019A (en) Industrial high-concentration phosphorus-containing wastewater treatment method
Deng et al. Phosphorus recovery from wastewater via calcium phosphate precipitation: A critical review of methods, progress, and insights
CN111517481A (en) Composite carbon source for deep denitrification of leather wastewater and preparation method thereof
CN101412567B (en) Composite multi-component scale inhibitor for treating oil-field water
CN113582498B (en) Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates by using high-protein biomass wastes
CN1185171C (en) Treating method for high fluorice acid waste water
CN107129057A (en) A kind of compound dephosphorization agent and preparation method thereof
CN101503247A (en) Multifunctional composite biological nutrient for industrial wastewater biochemical treatment
CN104998894A (en) Solidification and stabilization method for mercury contaminated soil
CN108393077A (en) A kind of preparation method of high efficiency absorbent-type dephosphorization agent
CN105540798A (en) Compound denitrification agent for treating aquaculture wastewater and using method thereof
CN106477738A (en) Circulating water treatment composition and its processing method of application and recirculated water
CN102533558A (en) Method for recycling spiral seaweed culture medium
CN104030421A (en) Composite COD remover and wastewater COD removal method using same
CN1067868C (en) Composition containing readily absorbable calcium and process for producing the same
CN103190439A (en) Compound biocide for circulating cooling water and preparation method thereof
CN106220305A (en) Beach saline land quick improvement Chemical Mixed Fertilizer and preparation method thereof
CN105330421A (en) Method for preparing complex-state mineral element organic liquid fertilizer
CN113896307A (en) Composite phosphorus removal agent for sewage treatment and preparation method thereof
CN105166842B (en) The preparation method of deep-well alkalescent edible salt
Canfield et al. The silicon cycle
CN106669631A (en) Heavy metal ion treating agent and preparation method thereof
CN1128735A (en) Method for prepn. of three-purpose agent for preventing scale, corrosion-resistance and disinfection
CN111348695A (en) Sewage treating agent and production process thereof

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: 20170905

RJ01 Rejection of invention patent application after publication