CN106833657A - Combined contamination soil renovation agent and application process - Google Patents
Combined contamination soil renovation agent and application process Download PDFInfo
- Publication number
- CN106833657A CN106833657A CN201611072093.4A CN201611072093A CN106833657A CN 106833657 A CN106833657 A CN 106833657A CN 201611072093 A CN201611072093 A CN 201611072093A CN 106833657 A CN106833657 A CN 106833657A
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- soil
- renovation agent
- combined contamination
- agent
- conditioner
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention discloses a kind of combined contamination soil renovation agent, including renovation agent and soil conditioner；The application process of combined contamination soil renovation agent, comprises the following steps：(1) renovation agent mixes with soil and soil is conserved；(2) soil conditioner is applied after maintenance terminates；The present invention realizes being removed while organic and heavy metal contaminants for the contaminated soil of complicated pollution sources；Composition is simple, easy to operate, applied widely simultaneously, effect is significant, non-secondary pollution.
Description
Technical field
The present invention relates to a kind of combined contamination soil renovation agent and application process.
Background technology
By 2014, China's pollution arable land there are about 1.5 hundred million mu, middle up to 50,000,000 mu of serious pollution arable land, national work
The severe contamination place that industry enterprises remove is left is more than 500,000, and soil contamination problem is very prominent, has a strong impact on agricultural product peace
Complete and health.With the rapid growth of Chinese society economy, soil pollution show contaminated area constantly expand, pollutant
The development trend that species is on the increase, pollution type even more complex and pollution concentration are gradually stepped up, is applied to complicated pollution sources
Soil-repairing agent demand increasingly increases.
The administration of soil-repairing agent is the key link of soil remediation, it is however generally that, need to be according to the type pin of soil pollution
To selecting soil-repairing agent for property, such as heavy-metal contaminated soil renovation agent includes lime, ethylenediamine tetra-acetic acid
(EDTA), diethylene triamine pentacetic acid (DTPA) (DTPA) etc., organic polluted soil renovation agent includes permanganate, sodium peroxydisulfate, peroxide
Change hydrogen etc..Chinese invention patent (patent No. 201510066429.5) has invented the soil being made up of high molecular polymer and filler
Renovation agent, the contaminated soil exceeded for repairing Cr, Pb, As, Chinese invention patent (patent No. CN201110402052.8) hair
Understand a kind of renovation agent being made up of persulfide and sulfate, be applied to the reparation of agrochemical class contaminated soil, and Chinese invention
Patent (patent No. CN201410323877.4) has invented a kind of complex repairation agent by based on persulfate and metal-chelator,
Can be used for the improvement of organic matter and heavy metal pollution, but from medicament composition, the renovation agent is only by original simple function
Renovation agent is applied in combination, and has no substantive difference.
The content of the invention
Regarding to the issue above, the present invention provides a kind of soil administered suitable for organic and inorganic or combined contamination soil and repaiies
Multiple agent and application process.
To reach above-mentioned purpose, a kind of combined contamination soil renovation agent of the invention, including renovation agent and soil conditioner.
Preferably, the weight of the renovation agent is divided into 70~90 parts, the weight of the soil conditioner is divided into 10~30 parts；
The renovation agent also composition including following weight parts：30~60 parts of modification biological charcoal, 0~40 part of peroxidase 12.
Preferably, the modification biological charcoal is obtained modified after iron-based flocculant or Fenton reagent addition sludge conditioning
Pyrolyzing sludge charcoal, the modified sewage sludge pyrolytic carbon specific surface area is 50~70g/m2, the sludge carbon of the modified sewage sludge pyrolytic carbon
The Zero-valent Iron after being reduced by iron ion or ferrous ion is loaded with particle；The peroxide is calper calcium peroxide.
Preferably, the soil conditioner includes humus and bentonite, the humus and the bentonitic quality
Than being 1:3~1:8.
To reach above-mentioned purpose, a kind of application process of combined contamination soil renovation agent of the invention, the application process includes
Following steps：
(1) renovation agent mixes with soil and soil is conserved；
(2) soil conditioner is applied after maintenance terminates.
Preferably, step (1) concretely comprises the following steps：The renovation agent is mixed with soil, renovation agent amount of application is
The 1%~10% of soil quality, mixed soil moisture content is maintained at 20%~30%.
Preferably, step (2) concretely comprise the following steps：The renovation agent conserve soil 3~7 days and detect it is up to standard after
Using soil conditioner, the amount of application of soil conditioner is the 20%~30% of renovation agent amount of application.
The present invention is by modification biological charcoal, and the repairing effect of enhanced biological charcoal is real for the contaminated soil of complicated pollution sources
Removed while existing machine and heavy metal contaminants；Conventional soil renovation agent is compared, present component is simple, easy to operate, suitable
With scope is wide, effect is significant, non-secondary pollution；Recycling sludge of sewage plant is utilized, the treatment of wastes with processes of wastes against one another is turned waste into wealth, and is reached
The maximization of environmental benefit and economic benefit.
Specific embodiment
Embodiment 1
A kind of combined contamination soil renovation agent of the present embodiment, including renovation agent and soil conditioner；The weight of the renovation agent
Amount is divided into 70~90 parts, and the weight of the soil conditioner is divided into 10~30 parts；The renovation agent also includes following weight parts
Composition：30~60 parts of modification biological charcoal, 0~40 part of peroxidase 12.
The modification biological charcoal is that iron-based flocculant or Fenton reagent add obtained modified sewage sludge heat after sludge conditioning
Solution charcoal, the modified sewage sludge pyrolytic carbon specific surface area is 50~70g/m2, on the sludge carbon particle of the modified sewage sludge pyrolytic carbon
It is loaded with the Zero-valent Iron after being reduced by iron ion or ferrous ion；The peroxide is calper calcium peroxide.
The soil conditioner includes humus and bentonite, and the humus is 1 with the bentonitic mass ratio:3
~1:8.
The modification biological charcoal is prepared to comprise the following steps：Sludge after Fenton oxidation is nursed one's health is dried to moisture content and is
15%~20%, to 100 mesh, heat up the sludge crushing after desiccation pyrolysis 20min, 10 DEG C/min of programming rate at 500 DEG C, adds
Plus iron or ferrous ion be reduced in high temperature anaerobic condition, be supported on sludge carbon particle in Zero-valent Iron form, it is final to obtain
Modified sewage sludge pyrolytic carbon aperture about 3nm, between 0.6~0.65, specific surface area is about 56g/m to pyrolyzing sludge charcoal yield2, pass through
Fe is main with the presence of simple substance Fe forms during X-ray diffractometer determines pyrolyzing sludge charcoal.
The peroxide is calper calcium peroxide, and calcium hydroxide and the peroxide with strong oxidizing property are can be analyzed to again in soil
Change hydrogen, hydrogen peroxide can degrade the organic pollution in soil, calcium hydroxide can adjust soil pH, fixed heavy metal from
Son.
The application process is comprised the following steps：
(1) renovation agent mixes with soil and soil is conserved；
(2) soil conditioner is applied after maintenance terminates.
Specific application process：(1) by pyrolyzing sludge charcoal and calper calcium peroxide with 3:4 ratios are re-dubbed renovation agent, renovation agent
Amount of application is the 1%~10% of soil quality, and renovation agent and soil are mixed, the soil moisture content after mixing is maintained at 20%~
30%；
(2) renovation agent maintenance soil 3~7 days in step (1) and detect it is up to standard after apply soil conditioner, soil is adjusted
It is the 20%~30% of renovation agent amount of application to manage the amount of application of agent.
The present embodiment charcoal is modified strengthens the removal effect of organic contaminants in soil；Peroxide strengthens contaminated soil
Organic matter removal and heavy metal fixed effect in earth；Soil conditioner can be repaired further and improved soil, improve soil fertilizer
Effect.
Embodiment 2
Combined contamination soil renovation agent based on above-described embodiment, a kind of combined contamination soil renovation agent, including renovation agent
And soil conditioner；The weight of the renovation agent is divided into 70~90 parts, and the weight of the soil conditioner is divided into 10~30 parts；Institute
State the renovation agent also composition including following weight parts：30~60 parts of modification biological charcoal, 0~40 part of peroxidase 12.
The modification biological charcoal is prepared to comprise the following steps：
(1) to addition iron-based flocculant in carbon containing sludge；
(2) iron ion or ferrous ion are reduced and are supported on sludge carbon in Zero-valent Iron form in sludge under anaerobic
On particle.
The soil conditioner includes humus and bentonite, and the humus is 1 with the bentonitic mass ratio:3
~1:8.
It is 20% that sludge after iron-based flocculant is dried to moisture content, the sludge crushing after desiccation to 80~100 mesh,
30min is pyrolyzed at 300 DEG C, 10 DEG C/min of programming rate, the iron or ferrous ion of addition are reduced in high temperature anaerobic condition, with zero
Valency iron form is supported on sludge carbon particle, final to obtain modified sewage sludge pyrolytic carbon aperture about 4nm, and pyrolyzing sludge charcoal yield exists
Between 0.65~0.75, specific surface area is about 50g/m2.
The peroxide is calper calcium peroxide, and calcium hydroxide and the peroxide with strong oxidizing property are can be analyzed to again in soil
Change hydrogen, hydrogen peroxide can degrade the organic pollution in soil, calcium hydroxide can adjust soil pH, fixed heavy metal from
Son.
Application process：(1) by modification biological charcoal and peroxide according to 0.75~3:1 ratio is hybridly prepared into renovation agent,
The amount of application of renovation agent is the 1%~10% of soil quality, and renovation agent is mixed with soil, and the soil moisture content after mixing is maintained at
20%~30%；
(2) renovation agent maintenance soil 3~7 days in step (1) and detect it is up to standard after apply soil conditioner, soil is adjusted
It is the 20%~30% of renovation agent amount of application to manage the amount of application of agent；
The present embodiment charcoal is modified strengthens the removal effect of organic contaminants in soil；Peroxide strengthens contaminated soil
Organic matter removal and heavy metal fixed effect in earth；Soil conditioner can be repaired further and improved soil, improve soil fertilizer
Effect；The present embodiment is based on embodiment 1, all can be as embodiment, so embodiment using the proportioning in any range in embodiment
In ratio range should all be included within the scope of the present invention.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (7)
1. a kind of combined contamination soil renovation agent, it is characterised in that：Including renovation agent and soil conditioner.
2. as claimed in claim 1 a kind of combined contamination soil renovation agent, it is characterised in that：The weight of the renovation agent is divided into 70
~90 parts, the weight of the soil conditioner is divided into 10~30 parts；The renovation agent includes the modification biological of 30~60 weight portions
The peroxide of charcoal and 20~40 weight portions.
3. as claimed in claim 2 a kind of combined contamination soil renovation agent, it is characterised in that：The modification biological charcoal is wadded a quilt with cotton for iron-based
Solidifying agent or Fenton reagent add obtained modified sewage sludge pyrolytic carbon, the modified sewage sludge pyrolytic carbon specific surface area after sludge conditioning
It is 50~70g/m2, after being loaded with being reduced by iron ion or ferrous ion on the sludge carbon particle of the modified sewage sludge pyrolytic carbon
Zero-valent Iron；The peroxide is calper calcium peroxide.
4. as claimed in claim 1 a kind of combined contamination soil renovation agent, it is characterised in that：The soil conditioner includes humic
Matter and bentonite, the humus are 1 with the bentonitic mass ratio:3~1:8.
5. the application process of a kind of claim 1-4 any one of combined contamination soil renovation agent, it is characterised in that：Bag
Include following steps：
(1) renovation agent mixes with soil and soil is conserved；
(2) soil conditioner is applied after maintenance terminates.
6. the application process of combined contamination soil renovation agent as claimed in claim 5, it is characterised in that：The step (1)
Concretely comprise the following steps：The renovation agent is mixed with soil, renovation agent amount of application is the 1%~10% of soil quality, mixed
Soil moisture content is maintained at 20%~30%.
7. the application process of combined contamination soil renovation agent as claimed in claim 5, it is characterised in that：The step (2)
Concretely comprise the following steps：The renovation agent conserve soil 3~7 days and detect it is up to standard after apply soil conditioner, soil conditioner
Amount of application is the 20%~30% of renovation agent amount of application.
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|---|---|---|---|
| CN201611072093.4A CN106833657A (en) | 2016-11-29 | 2016-11-29 | Combined contamination soil renovation agent and application process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072093.4A CN106833657A (en) | 2016-11-29 | 2016-11-29 | Combined contamination soil renovation agent and application process |
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| CN106833657A true CN106833657A (en) | 2017-06-13 |
Family
ID=59146023
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|---|---|---|---|
| CN201611072093.4A Pending CN106833657A (en) | 2016-11-29 | 2016-11-29 | Combined contamination soil renovation agent and application process |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459237A (en) * | 2017-09-18 | 2017-12-12 | 华中科技大学 | Based on the sludge composite conditioner of iron containing sludge pyrolysis residue and its preparation and application |
| CN107497399A (en) * | 2017-09-25 | 2017-12-22 | 广州德隆环境检测技术有限公司 | A kind of charcoal/bentonite composite material and its preparation method and application |
| CN108393346A (en) * | 2018-05-14 | 2018-08-14 | 东华大学 | A kind of method that calper calcium peroxide-charcoal repairs agricultural soil |
| CN108585391A (en) * | 2018-04-18 | 2018-09-28 | 中国海洋大学 | A kind of charcoal renovation agent of the marine sediment of heavy metal pollution and preparation method thereof and restorative procedure |
| CN108637008A (en) * | 2018-06-22 | 2018-10-12 | 煜环环境科技有限公司 | A kind of ladder release type heavy-metal contaminated soil solidification and stabilization restorative procedure |
| CN108672485A (en) * | 2018-05-14 | 2018-10-19 | 东华大学 | A kind of method of heavy metal and organic pollution in reparation agricultural soil |
| CN108723082A (en) * | 2018-06-22 | 2018-11-02 | 煜环环境科技有限公司 | A kind of load fixed combined contamination soil chemical oxidation restorative procedure |
| CN108865153A (en) * | 2018-04-19 | 2018-11-23 | 济南大学 | A kind of calper calcium peroxide capsule of nano soil-repairing agent and its preparation method and application |
| CN108892342A (en) * | 2018-07-17 | 2018-11-27 | 苏州科技大学 | A kind of preparation method of the fixed composite material of Sediments heavy metal |
| CN109127716A (en) * | 2018-10-26 | 2019-01-04 | 青岛农业大学 | Apply the method that biomass carbon joint hydrogen peroxide repairs thermal power plant's contaminated soil |
| CN109158412A (en) * | 2018-06-26 | 2019-01-08 | 昆明理工大学 | A kind of method of harmless treatment heavy metal soil |
| CN109396172A (en) * | 2018-09-17 | 2019-03-01 | 上海交通大学 | A kind of pollution control synergisting method of in-situ immobilization farmland organic polluted soil |
| CN109988046A (en) * | 2019-04-26 | 2019-07-09 | 秦皇岛晶科环保设备有限公司 | A kind of method that marine products processing residue and human faecal mass prepare soil conditioner |
| CN110860548A (en) * | 2019-11-06 | 2020-03-06 | 贵州大学 | Control method for high-sulfur high-iron gangue pollutant release and passivation material thereof |
| CN111778032A (en) * | 2020-08-20 | 2020-10-16 | 广东省农业科学院农业资源与环境研究所 | Soil conditioner, preparation method and application |
| CN114106836A (en) * | 2021-12-23 | 2022-03-01 | 青岛蓝博环境科技有限公司 | Sludge carbonization product as soil conditioner |
| CN114873711A (en) * | 2022-06-13 | 2022-08-09 | 成都理工大学 | By using Nano-CaO 2 Method for oxidizing wastewater by SBC-Fe (II) system |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459237A (en) * | 2017-09-18 | 2017-12-12 | 华中科技大学 | Based on the sludge composite conditioner of iron containing sludge pyrolysis residue and its preparation and application |
| CN107459237B (en) * | 2017-09-18 | 2018-09-25 | 华中科技大学 | Based on the sludge composite conditioner of iron containing sludge pyrolysis residue and its preparation and application |
| CN107497399A (en) * | 2017-09-25 | 2017-12-22 | 广州德隆环境检测技术有限公司 | A kind of charcoal/bentonite composite material and its preparation method and application |
| CN108585391B (en) * | 2018-04-18 | 2019-07-05 | 中国海洋大学 | A kind of charcoal renovation agent of the marine sediment of heavy metal pollution and preparation method thereof and restorative procedure |
| CN108585391A (en) * | 2018-04-18 | 2018-09-28 | 中国海洋大学 | A kind of charcoal renovation agent of the marine sediment of heavy metal pollution and preparation method thereof and restorative procedure |
| CN108865153A (en) * | 2018-04-19 | 2018-11-23 | 济南大学 | A kind of calper calcium peroxide capsule of nano soil-repairing agent and its preparation method and application |
| CN108865153B (en) * | 2018-04-19 | 2021-05-18 | 济南大学 | Calcium peroxide nano microcapsule soil remediation agent and preparation method and application thereof |
| CN108672485A (en) * | 2018-05-14 | 2018-10-19 | 东华大学 | A kind of method of heavy metal and organic pollution in reparation agricultural soil |
| CN108393346A (en) * | 2018-05-14 | 2018-08-14 | 东华大学 | A kind of method that calper calcium peroxide-charcoal repairs agricultural soil |
| CN108723082A (en) * | 2018-06-22 | 2018-11-02 | 煜环环境科技有限公司 | A kind of load fixed combined contamination soil chemical oxidation restorative procedure |
| CN108723082B (en) * | 2018-06-22 | 2020-10-20 | 煜环环境科技有限公司 | Chemical oxidation remediation method for load-immobilized composite contaminated soil |
| CN108637008A (en) * | 2018-06-22 | 2018-10-12 | 煜环环境科技有限公司 | A kind of ladder release type heavy-metal contaminated soil solidification and stabilization restorative procedure |
| CN109158412A (en) * | 2018-06-26 | 2019-01-08 | 昆明理工大学 | A kind of method of harmless treatment heavy metal soil |
| CN108892342A (en) * | 2018-07-17 | 2018-11-27 | 苏州科技大学 | A kind of preparation method of the fixed composite material of Sediments heavy metal |
| CN108892342B (en) * | 2018-07-17 | 2021-09-07 | 苏州科技大学 | Preparation method of composite material for fixing heavy metals in water body sediment |
| CN109396172A (en) * | 2018-09-17 | 2019-03-01 | 上海交通大学 | A kind of pollution control synergisting method of in-situ immobilization farmland organic polluted soil |
| CN109127716A (en) * | 2018-10-26 | 2019-01-04 | 青岛农业大学 | Apply the method that biomass carbon joint hydrogen peroxide repairs thermal power plant's contaminated soil |
| CN109988046A (en) * | 2019-04-26 | 2019-07-09 | 秦皇岛晶科环保设备有限公司 | A kind of method that marine products processing residue and human faecal mass prepare soil conditioner |
| CN110860548A (en) * | 2019-11-06 | 2020-03-06 | 贵州大学 | Control method for high-sulfur high-iron gangue pollutant release and passivation material thereof |
| CN111778032A (en) * | 2020-08-20 | 2020-10-16 | 广东省农业科学院农业资源与环境研究所 | Soil conditioner, preparation method and application |
| CN111778032B (en) * | 2020-08-20 | 2021-07-09 | 广东省农业科学院农业资源与环境研究所 | Soil conditioner, preparation method and application |
| CN114106836A (en) * | 2021-12-23 | 2022-03-01 | 青岛蓝博环境科技有限公司 | Sludge carbonization product as soil conditioner |
| CN114873711A (en) * | 2022-06-13 | 2022-08-09 | 成都理工大学 | By using Nano-CaO 2 Method for oxidizing wastewater by SBC-Fe (II) system |
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