CN109206266A - A kind of soil pollution renovation agent - Google Patents
A kind of soil pollution renovation agent Download PDFInfo
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- CN109206266A CN109206266A CN201811171723.2A CN201811171723A CN109206266A CN 109206266 A CN109206266 A CN 109206266A CN 201811171723 A CN201811171723 A CN 201811171723A CN 109206266 A CN109206266 A CN 109206266A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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
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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
- C09K2101/00—Agricultural use
Abstract
The invention belongs to soil pollution recovery technique fields, and in particular to a kind of soil pollution renovation agent.The renovation agent includes polyacrylamide, Sodium Polyacrylate, flyash, rock phosphate in powder, gourmet powder fermenting tail washings, humic acid, manganese sulfate, calcium hydroxy phosphate, microbial bacterial agent, the components such as organic fertilizer；The present invention also provides a kind of preparation methods of soil-repairing agent, by being heat-treated to fosfosiderite, it fermented, sterilized to organic fertilizer, it will be mixed again after the pretreatment such as gourmet powder fermenting cream powdering, manufactured soil-repairing agent can make full use of the waste in life and industry, effectively adsorb and fix heavy metal contaminants, and improve soil environment, it builds up fertility, is a kind of economic, environmental protection recovery technique.
Description
Technical field
The invention belongs to soil pollution recovery technique fields, and in particular to a kind of soil pollution renovation agent.
Background technique
Soil pollution refers to the development of economy and society, generating various pollutants in human industry or agricultural production process
Enter soil environment accumulation by different approaches, eventually exceeds soil self purification activity, soil quality is made to change with function, endanger
And the mankind and other biological the survival and development the phenomenon that.China is more serious one of the country of soil pollution in the world, root
According to national Soil Pollution Investigation bulletins in 2014 the results show that the total exceeding standard rate of national soil is 16.1%, overall state
It allows of no optimist.Wherein exceeded digit of agricultural ground contamination accounts for about the 19% of farming land total number of sample points, is that China's current soil is dirty
Contaminate the major fields of prevention and treatment.As a result it also shows, the soil inorganic in China's soil pollution based on the heavy metals such as cadmium, mercury, arsenic, lead
Accounting highest is polluted, accounts for about the 82.8% of all exceeded points, therefore heavy metal pollution of soil will become China's soil pollution
Object is paid close attention in prevention and treatment.
Heavy metal is pollutant most commonly seen in soil.Either to organism must or nonessential heavy metal member
Element can all damage biological cell membrane when reaching a certain concentration, change bioenzyme activity, influence intracellular normal physiological function,
And destroy the DNA structure of organism.For example, Hg2+, Cd2+, Ag+Equal organisms non-essential element can be tied with mercapto groups (- SH)
It closes, inhibiting the enzymatic activity of organism, Cr and S and As and P to be structurally similar causes these elements to be easy to replace organism
Interior indispensable element and lead to physiological dysfunction.Micro organism quantity in soil is big and has high-specific surface area, is heavy metal
Interaction with microorganism wall provides wide place, and the net negative charge that microbial cell film has but also its
It is easier to accumulate metal ion from ambient enviroment.Existing numerous studies, which report heavy metal pollution of soil and are able to suppress microorganism, exhales
It inhales, nitrogen conversion and enzymatic activity, reduction microorganism inhibit the growth and breeding of microorganism to substrate utilization ratio.In addition, heavy metal can also
Microbial diversity is reduced, studies have found that there are the bacterial genomes different more than 1,000,000 kinds in initial soil sample, and
Heavy metal pollution can reduce its 99.9% diversity.In the case where heavy metal is coerced for a long time, soil microbial community diversity is significant
It reduces, and some specific functions is caused such as to be lost to the mineralization ability of pollutant.
In order to realize the sustainable use in farmland, ensure that the mankind obtain sufficient and safety food supply, there is an urgent need to grind
Study carefully and propose economy, efficiently, feasible heavy metal pollution of soil recovery technique.The reparation of heavy metal pollution of soil is by certain
Physics, chemistry and biological method reduce content of beary metal, improve the means that the soil texture restores soil productivity.Traditional soil
The physical chemistry such as earth elution, vitrification, immobilization technology, antagonism of ions technology technical costs is high, effect is poor, weight after reparation
The disadvantages of metal is easily released again expends a large amount of human and material resources, financial resources.Biological prosthetic is a kind of utilization plant, animal, micro- life
Combine the method for repairing heavy metal in soil, the shortcomings that making up conventional physical chemical method between object or both, three.The technology is
Gradually become the mainstream of heavy metal-polluted soil reparation.China starts late in heavy metal-polluted soil recovery technique research fermentation, although logical
Introduction is crossed, absorb and digests a large amount of external advanced recovery techniques, but domestic soil types, condition and contaminated sites is special
Property determine and need to develop more with independent intellectual property right and the practicability recovery techniques and equipment of suitable for China, to push
The marketization and industrialized development of soil environment recovery technique.
Summary of the invention
To overcome the problems of the above-mentioned prior art, the present invention is intended to provide a kind of soil-repairing agent, the soil remediation
Agent processing preparation process is simple, and absorption heavy metal contaminants can be effectively fixed, and improves soil environment, improves arduously, is one
Economic, the environmentally friendly recovery technique of kind.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of soil pollution renovation agent, including following components:
Polyacrylamide, Sodium Polyacrylate, flyash, rock phosphate in powder, gourmet powder fermenting tail washings, humic acid, manganese sulfate, hydroxyl phosphorus
Sour calcium, microbial bacterial agent, organic fertilizer.
Further, the soil pollution renovation agent, the component including following parts by weight:
2-12 parts of polyacrylamide, 10-20 parts of Sodium Polyacrylate, 10-30 parts of flyash, 5-15 parts of rock phosphate in powder, manganese sulfate
2-20 parts, 5-20 parts of calcium hydroxy phosphate, 10-30 parts of gourmet powder fermenting tail washings, 2-16 parts of humic acid, 10-20 parts of microbial bacterial agent, have
30-100 parts of machine fertilizer.
Further, the soil pollution renovation agent, the component including following parts by weight:
5-10 parts of polyacrylamide, 12-18 parts of Sodium Polyacrylate, 10-20 parts of flyash, 8-12 parts of rock phosphate in powder, manganese sulfate
5-10 parts, 8-18 parts of calcium hydroxy phosphate, 12-25 parts of gourmet powder fermenting tail washings, 5-12 parts of humic acid, 10-16 parts of microbial bacterial agent, have
60-90 parts of machine fertilizer.
Further, the soil pollution renovation agent, the component including following parts by weight:
8 parts of polyacrylamide, 17 parts of Sodium Polyacrylate, 13 parts of flyash, 9 parts of rock phosphate in powder, 8 parts of manganese sulfate, di
12 parts of calcium, 18 parts of gourmet powder fermenting tail washings, 9 parts of humic acid, 13 parts of microbial bacterial agent, 70 parts of organic fertilizer.
Further, the molecular weight of the polyacrylamide is 1,000,000-200 ten thousand, and Sodium Polyacrylate molecular weight is 1-5
Ten thousand.
Further, the organic fertilizer is poultry manure, preferably chicken manure or pig manure.
Further, the microbial bacterial agent is sulfide-oxidizing enzyme and bacillus subtilis.
The object of the invention is also to provide a kind of preparation methods of soil pollution renovation agent, comprising the following steps:
(1) fosfosiderite pre-processes: fosfosiderite is ground into particle, smashed fosfosiderite is weighed and is heated to 200-400 DEG C,
Heat preservation is continuously heating to 600-700 DEG C, and heat preservation is spare after taking out cooling；
(2) fermented gournet powder liquid pre-processes: the gourmet powder fermenting tail washings of industrial discharge is collected separately, and being concentrated into solid content is 40-
When 60%, particle is made in re-dry, and product is spare；
(3) organic fertilizer pre-processes: being sprinkled into compost after urea, calcium superphosphate in organic fertilizer, stomata is got through in heap, cover
Plastic cloth heat preservation, fertilizer conservation, regular turning, after stack retting；Ultraviolet sterilization；Microbial bacterial agent is added to mix, product is spare；
(4) by step (1), the product and polyacrylamide of (2), (3), Sodium Polyacrylate, flyash, humic acid, sulfuric acid
Manganese, calcium hydroxy phosphate mixing, obtaining final product is soil pollution renovation agent.
Preferably, the time of heat preservation described in step (1) is 1-2h；
It preferably, further include that pH value is adjusted to monosodium glutamate fermentation tailing liquor before being concentrated described in step (2), the pH value adjustment
For 6-8；
It is highly preferred that the partial size of particle described in step (1), (2) is 10-40 mesh；
Preferably, the time of stack retting described in step (3) is 60-90 days, and the time of the sterilization is 1-2 weeks.
It is highly preferred that weight of urea is the 0.1%-0.5% of organic fertilizer weight in step (3), calcium superphosphate is organic fertilizer
The 2%-5% of weight.
The object of the invention is also to provide a kind of application of soil pollution renovation agent in repairing polluted soil.
Inventive concept of the invention specifically includes that
(1) being added for the inorganic matters such as flyash can generate certain passivation to heavy metals such as copper, zinc, platinum in soil and imitate
Fruit.
(2) it is the synergistic effect adsorbed with ion exchange that rock phosphate in powder, which is cutting mechanisms to the cutting mechanisms of heavy metal ion,
After natural rock phosphate in powder is fired, modified fosfosiderite is obtained, part of organic matter, sulphur-containing substance can volatilize, so that rock phosphate in powder
Specific surface area increase, to increase probability of the rock phosphate in powder in conjunction with heavy metal ion.
(3) ingredients such as fermented gournet powder liquid, humic acid, organic fertilizer that the present invention is added, it is therein organic in addition to supplying nutrient
Matter can also increase soil buffer performance and adsorption capacity, and the effects of by absorption, complexing, reduction, volatilization, reduce its biology
Validity and phytotoxicity promote plant growth, are conducive to the phytoremediation of heavy-metal contaminated soil.
(4) present invention has by increasing soil-repairing agent to the degradation of organic pollutant using addition microorganism
Efficiently, safe, inexpensive advantage.
(5) it is found in research, polyacrylamide and polyacrylic acid have carboxyl, amide groups isoreactivity group, can be with soil
The metal ion of earth particle surface forms coordinate bond, or exchanges with some groups on clay mineral surface or made by hydrogen bond
" key bridge " is formed between different soils particle causes soil to agglomerate, and forms water-stable aggregate.On the one hand, soil is improved
The permeance property of earth is conducive to moisture infiltration in rainfall or irrigation, reduces runoff and the soil erosion, while can change soil
The reserves and deliverability of soil moisture and nutrient needed for physical structure and not only influence plant growth, but also determine in soil
Gas exchange, heat balance and microbial activities and root system development etc.；On the other hand, there is certain fixation to microorganism
Suction-operated reduces the side effect of microorganism while guaranteeing microbial action.
The soil-repairing agent provided by the invention for having both processing heavy metal pollution and getting fat effect, can be according to a huge sum of money for soil
Belong to pollution level and carry out multiple repairing efficiencies, the content of beary metal in soil can be made to be gradually reduced, to reach Environmental security mark
It is quasi-.Soil-repairing agent of the present invention is mainly used for repairing for cadmium in soil, arsenic, lead, copper, zinc and the medium a variety of combined contamination soils of mercury
It is multiple, while some organic pollutants can be reduced.Preparation method of the present invention is simple, has stronger comprehensive function to reduce heavy metal ion
Mobility, to cut down absorption of the soil to heavy metal ion, soil pollution renovation agent of the invention compared with the prior art just like
Lower advantage:
(1) there is good adjustment effect to the physical property of clayey soil, reduce the clay content of clayey soil, sand grains
Content increases, and reduces the soil weight, increases porosity, reduces expansion rate.
(2) there is extremely strong flocculation ability, good reunionization is played to soil dispersion particle and is acted on, it is native after being manured into soil
Earth microaggregate composition changes, and the structural coefficient and degree of aggregation of soil significantly improve.
(3) can stronger stable absorption heavy metal ion, can be quick, the efficient heavy metal pollution removed in soil
Object.
(4) life and industrial refuse are taken full advantage of, while reducing cost of material, improves environment.
(5) secondary pollution will not be generated, fertility is preferable after soil remediation.
(6) application method of the soil-repairing agent is simple, it is easy to implement operation and cost is relatively low.
Specific embodiment
Embodiment 1
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 200 DEG C, heat preservation
1h is continuously heating to 600 DEG C, keeps the temperature 2h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 6 are collected, concentration reduces volume to solid content
When 40%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 10 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.1% urea, compost after 5% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 60 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 2 weeks, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 10 portions of sulfide-oxidizing enzyme microbial inoculums are added after weighing 30 parts in parts by weight and mix, it is spare；
(4) 5 parts of pretreatment product of step (1), 20 parts of the pretreatment product of (2), 2 parts of polyacrylamide (M=are weighed
100 ten thousand), 10 parts of Sodium Polyacrylates (M=5 ten thousand), 30 parts of flyash, 5 parts of humic acid, 30 parts of manganese sulfates, 2 parts of calcium hydroxy phosphates,
Organic fertilizer with having been mixed in step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed, obtain end
Product is soil pollution renovation agent.
Embodiment 2
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 400 DEG C, heat preservation
2h is continuously heating to 700 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 8 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.5% urea, compost after 2% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 10 parts of sulfide-oxidizing enzymes and 10 parts of bacillus subtilises are added after weighing 100 parts in parts by weight
Microbial inoculum mixes, spare；
(4) 15 parts of pretreatment product of step (1), 2 parts of the pretreatment product of (2), 12 parts of polyacrylamide (M=are weighed
100 ten thousand), 20 parts of Sodium Polyacrylates (M=5 ten thousand), 10 parts of flyash, 20 parts of humic acid, 10 parts of manganese sulfates, 16 parts of dis
The organic fertilizer mixed in calcium, with step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed,
Obtaining final product is soil pollution renovation agent.
Embodiment 3
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 400 DEG C, heat preservation
2h is continuously heating to 700 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 8 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.5% urea, compost after 2% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 10 parts of bacillus subtilis microbial agents are added after weighing 60 parts in parts by weight and mix, it is spare；
(4) 8 parts of pretreatment product of step (1), 12 parts of the pretreatment product of (2), 5 parts of polyacrylamide (M=are weighed
100 ten thousand), 18 parts of Sodium Polyacrylates (M=5 ten thousand), 10 parts of flyash, 5 parts of humic acid, 10 parts of manganese sulfates, 8 parts of calcium hydroxy phosphates,
Organic fertilizer with having been mixed in step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed, obtain end
Product is soil pollution renovation agent.
Embodiment 4
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 400 DEG C, heat preservation
2h is continuously heating to 700 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 8 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.5% urea, compost after 2% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 16 portions of sulfide-oxidizing enzyme microbial inoculums are added after weighing 90 parts in parts by weight and mix, it is spare；
(4) 12 parts of pretreatment product of step (1), 25 parts of the pretreatment product of (2), 10 parts of polyacrylamide (M=are weighed
100 ten thousand), 12 parts of Sodium Polyacrylates (M=5 ten thousand), 20 parts of flyash, 12 parts of humic acid, 5 parts of manganese sulfates, 18 parts of calcium hydroxy phosphates,
Organic fertilizer with having been mixed in step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed, obtain end
Product is soil pollution renovation agent.
Embodiment 5
(1) fosfosiderite is ground into the particle that partial size is 30 mesh, weighs smashed fosfosiderite and is heated to 300 DEG C, heat preservation
2h is continuously heating to 660 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 7 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 40 mesh is made；
(3) certain pig farm pig manure is collected, is sprinkled into 0.3% urea, compost after 3% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 75 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1.5 weeks, remove organic fertilizer per se with helminth
And bacterium；Later, In Shade, 13 parts of bacillus subtilis microbial agents are added after weighing 70 parts in parts by weight and mix, it is spare；
(4) 9 parts of pretreatment product of step (1), 8 parts of the pretreatment product of (2), 8 parts of polyacrylamide (M=150 are weighed
Ten thousand), 17 parts of Sodium Polyacrylates (M=1 ten thousand), 13 parts of flyash, 12 parts of humic acid, 18 parts of manganese sulfates, 9 parts of calcium hydroxy phosphates, with
The organic fertilizer mixed in step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed, and obtains whole production
Object is soil pollution renovation agent.
Embodiment 6
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 400 DEG C, heat preservation
2h is continuously heating to 700 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 8 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.1% urea, compost after 5% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 20 parts of bacillus subtilis microbial agents are added after weighing 100 parts in parts by weight and mix, it is spare；
(4) 15 parts of pretreatment product of step (1), 2 parts of the pretreatment product of (2), 12 parts of polyacrylamide (M=are weighed
200 ten thousand), 20 parts of Sodium Polyacrylates (M=3 ten thousand), 10 parts of flyash, 20 parts of humic acid, 10 parts of manganese sulfates, 16 parts of dis
The organic fertilizer mixed in calcium, with step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed,
Obtaining final product is soil pollution renovation agent.
Comparative example 1 (constituent content variation)
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 400 DEG C, heat preservation
2h is continuously heating to 700 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 8 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.5% urea, compost after 2% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 10 parts of sulfide-oxidizing enzymes and 15 parts of bacillus subtilises are added after weighing 110 parts in parts by weight
Microbial inoculum mixes, spare；
(4) 20 parts of pretreatment product of step (1), 2 parts of the pretreatment product of (2), 12 parts of polyacrylamide (M=are weighed
200 ten thousand), 20 parts of humic acid, 10 parts of manganese sulfates, have in 16 parts of calcium hydroxy phosphates, with step (3) with what microbial bacterial agent had mixed
Machine fertilizer, sequentially adds in double-spiral conical mixer and is sufficiently mixed, obtaining final product is soil pollution renovation agent.
Comparative example 2 (pretreatment condition variation)
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 500 DEG C, heat preservation
2h is continuously heating to 800 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 9 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 1% urea, compost after 6% calcium superphosphate, and got through in heap with rod
Stomata covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile modeling
Expect to shakeout on film, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and carefully
Bacterium；Later, In Shade, 10 parts of sulfide-oxidizing enzymes and 10 parts of bacillus subtilis bacterium are added after weighing 100 parts in parts by weight
Agent mixes, spare；
(4) 15 parts of pretreatment product of step (1), 2 parts of the pretreatment product of (2), 12 parts of polyacrylamide (M=are weighed
100 ten thousand), 20 parts of Sodium Polyacrylates (M=5 ten thousand), 10 parts of flyash, 20 parts of humic acid, 10 parts of manganese sulfates, 16 parts of dis
The organic fertilizer mixed in calcium, with step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed,
Obtaining final product is soil pollution renovation agent.
Comparative example 3 (polymer molecular weight variation)
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 400 DEG C, heat preservation
2h is continuously heating to 700 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 8 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 0.5% urea, compost after 2% calcium superphosphate, and beaten in heap with rod
Venthole covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile
On plastic film, shakeout, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and
Bacterium；Later, In Shade, 10 parts of sulfide-oxidizing enzymes and 10 parts of bacillus subtilises are added after weighing 100 parts in parts by weight
Microbial inoculum mixes, spare；
(4) 15 parts of pretreatment product of step (1), 2 parts of the pretreatment product of (2), 12 parts of polyacrylamide (M=are weighed
500 ten thousand), 20 parts of Sodium Polyacrylates (M=10 ten thousand), 10 parts of flyash, 20 parts of humic acid, 10 parts of manganese sulfates, 16 parts of dis
The organic fertilizer mixed in calcium, with step (3) with microbial bacterial agent, sequentially adds in double-spiral conical mixer and is sufficiently mixed,
Obtaining final product is soil pollution renovation agent.
Comparative example 4 (composite factor variation)
(1) fosfosiderite is ground into the particle that partial size is 40 mesh, weighs smashed fosfosiderite and is heated to 500 DEG C, heat preservation
2h is continuously heating to 800 DEG C, keeps the temperature 1h, is put into after taking-up, cooling spare in drier；
(2) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 9 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(3) certain chicken farm chicken manure is collected, is sprinkled into 1% urea, compost after 6% calcium superphosphate, and got through in heap with rod
Stomata covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile modeling
Expect to shakeout on film, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and carefully
Bacterium；Later, In Shade, the mixing of 25 sulfide-oxidizing enzyme microbial inoculums is added after weighing 110 parts in parts by weight, it is spare；
(4) 20 parts of pretreatment product of step (1), 25 parts of the pretreatment product of (2), 12 parts of polyacrylamide (M=are weighed
50 ten thousand), 20 parts of Sodium Polyacrylates (M=10 ten thousand), 10 parts of flyash, 20 parts of humic acid, 10 parts of manganese sulfates, use with step (3)
The organic fertilizer that microbial bacterial agent has mixed, sequentially adds in double-spiral conical mixer and is sufficiently mixed, and obtaining final product is soil
Pollution amelioration agent.
Comparative example 5 (is free of pretreated fosfosiderite)
(1) the gourmet powder fermenting tail washings of certain factory discharge, adjustment pH value to 9 are collected, concentration reduces volume to solid content
When 60%, then centrifugal spray drying method is used, produce solid powder, it is spare that the particle that partial size is 30 mesh is made；
(2) certain chicken farm chicken manure is collected, is sprinkled into 1% urea, compost after 6% calcium superphosphate, and got through in heap with rod
Stomata covers plastic cloth heat preservation, fertilizer conservation, and turning is primary after stack retting 10 days, after stack retting 90 days；Again by organic fertilizer as sterile modeling
Expect to shakeout on film, cover sterile plastic film, ultraviolet sterilization 1 week, remove organic fertilizer per se with helminth and carefully
Bacterium；Later, In Shade, 10 parts of sulfide-oxidizing enzymes and 10 parts of bacillus subtilis bacterium are added after weighing 100 parts in parts by weight
Agent mixes, spare；
(3) 2 parts of pretreatment product of (1), 12 parts of polyacrylamides (M=100 ten thousand), 20 parts of Sodium Polyacrylate (M=are weighed
5 ten thousand), 10 parts of flyash, 20 parts of humic acid, 10 parts of manganese sulfates, use microbial bacterial agent in 16 parts of calcium hydroxy phosphates, with step (2)
The organic fertilizer mixed, sequentially adds in double-spiral conical mixer and is sufficiently mixed, and obtaining final product is soil pollution renovation agent.
Effect example
The renovation agent of embodiment and comparative example is selected, soil remediation experiment is carried out, experimental procedure is as follows:
(1) certain heavy metal pollution regional soil is acquired.
(2) according to solid waste " Leaching leaching method sulfonitric method " (HJ/T299-2007) using overturning oscillation
Device carries out leaching experiment to soil.It is sampled from soil, detects preprosthetic heavy metal-polluted soil concentration；
(3) heavy-metal contaminated soil is dug out, is sent into broken crusher machine, is delivered to mixer through belt, will be soil matter
The renovation agent of amount 5% is sufficiently mixed with contaminated soil, in mixed process, is sprayed a small amount of water and is made soil conservation wet, mix
15 days are stood after conjunction, i.e. completion repair process.
(4) effect detection: sampling from the soil after reparation, according to the detection method in step (2), after detection is repaired
Heavy metal-polluted soil concentration repairs front and back heavy metal in soil content such as the following table 1:
The content of beary metal table of comparisons (mg/kg) before and after 1 soil remediation of table
Above-mentioned detailed description is illustrating for wherein possible embodiments of the invention, and the embodiment is not to limit
The scope of the patents of the invention, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by technical solution of the present invention
In the range of.
Claims (10)
1. a kind of soil pollution renovation agent, which is characterized in that including following components:
Polyacrylamide, Sodium Polyacrylate, flyash, rock phosphate in powder, gourmet powder fermenting tail washings, humic acid, manganese sulfate, di
Calcium, microbial bacterial agent, organic fertilizer.
2. soil pollution renovation agent as described in claim 1, which is characterized in that the component including following parts by weight:
2-12 parts of polyacrylamide, 10-20 parts of Sodium Polyacrylate, 10-30 parts of flyash, 5-15 parts of rock phosphate in powder, manganese sulfate 2-20
Part, 5-20 parts of calcium hydroxy phosphate, 10-30 parts of gourmet powder fermenting tail washings, 2-16 parts of humic acid, 10-20 parts of microbial bacterial agent, organic fertilizer
30-100 parts.
3. soil pollution renovation agent as described in claim 1, which is characterized in that the component including following parts by weight:
5-10 parts of polyacrylamide, 12-18 parts of Sodium Polyacrylate, 10-20 parts of flyash, 8-12 parts of rock phosphate in powder, manganese sulfate 5-10
Part, 8-18 parts of calcium hydroxy phosphate, 12-25 parts of gourmet powder fermenting tail washings, 5-12 parts of humic acid, 10-16 parts of microbial bacterial agent, organic fertilizer
60-90 parts.
4. soil pollution renovation agent as described in claim 1, which is characterized in that the component including following parts by weight:
8 parts of polyacrylamide, 17 parts of Sodium Polyacrylate, 13 parts of flyash, 9 parts of rock phosphate in powder, 8 parts of manganese sulfate, calcium hydroxy phosphate 12
Part, 18 parts of gourmet powder fermenting tail washings, 9 parts of humic acid, 13 parts of microbial bacterial agent, 70 parts of organic fertilizer.
5. soil pollution renovation agent as described in claim 1, which is characterized in that the molecular weight of the polyacrylamide is 1,000,000-
2000000, Sodium Polyacrylate molecular weight is 1-5 ten thousand.
6. soil pollution renovation agent as described in claim 1, which is characterized in that the organic fertilizer is poultry manure, micro- life
Object microbial inoculum is sulfide-oxidizing enzyme and/or bacillus subtilis.
7. the preparation method of soil pollution renovation agent as described in claim 1, comprising the following steps:
(1) fosfosiderite pre-processes: fosfosiderite being ground into particle, smashed fosfosiderite is weighed and is heated to 200-400 DEG C, protect
Temperature is continuously heating to 600-700 DEG C, and heat preservation, after taking out cooling, product is spare；
(2) fermented gournet powder liquid pre-processes: the gourmet powder fermenting tail washings of industrial discharge is collected separately, and being concentrated into solid content is 40-60%
When, particle is made in re-dry, and product is spare；
(3) organic fertilizer pre-processes: being sprinkled into compost after urea, calcium superphosphate in organic fertilizer, stomata is got through in heap, cover plastics
Cloth heat preservation, fertilizer conservation, regular turning, after stack retting；Ultraviolet sterilization；Microbial bacterial agent is added to mix, product is spare；
(4) by step (1), the product and polyacrylamide of (2), (3), Sodium Polyacrylate, flyash, humic acid, manganese sulfate, hydroxyl
The mixing of base calcium phosphate, obtaining final product is soil pollution renovation agent.
8. the preparation method of soil pollution renovation agent as claimed in claim 7, which is characterized in that heat preservation described in step (1)
Time is 1-2h.
9. the preparation method of soil pollution renovation agent as claimed in claim 7, which is characterized in that before being concentrated described in step (2),
It further include that pH value is adjusted to monosodium glutamate fermentation tailing liquor, the pH value is adjusted to 6-8.
10. a kind of application of the soil pollution renovation agent in repairing polluted soil as described in claim 1-9 is any.
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