CN109618866A - A method of utilizing phosphatization sludge Nutrition Soil - Google Patents
A method of utilizing phosphatization sludge Nutrition Soil Download PDFInfo
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- CN109618866A CN109618866A CN201811539970.3A CN201811539970A CN109618866A CN 109618866 A CN109618866 A CN 109618866A CN 201811539970 A CN201811539970 A CN 201811539970A CN 109618866 A CN109618866 A CN 109618866A
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- soil
- mixed
- phosphatization
- ginseng
- sludge
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- 239000002689 soil Substances 0.000 title claims abstract description 67
- 239000010802 sludge Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 235000016709 nutrition Nutrition 0.000 title claims abstract description 19
- 230000035764 nutrition Effects 0.000 title claims abstract description 19
- 241000208340 Araliaceae Species 0.000 claims abstract description 17
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims abstract description 17
- 235000003140 Panax quinquefolius Nutrition 0.000 claims abstract description 17
- 235000008434 ginseng Nutrition 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 240000008436 Ipomoea aquatica Species 0.000 claims description 24
- 238000003306 harvesting Methods 0.000 claims description 16
- 238000005304 joining Methods 0.000 claims description 14
- 235000019004 Ipomoea aquatica Nutrition 0.000 claims description 11
- 239000002910 solid waste Substances 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 239000001963 growth medium Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of methods using phosphatization sludge Nutrition Soil, and step includes: sludge drying: soil ginseng is mixed: crop is planted: Nutrition Soil processed: harvested material disposition.The advantage of the invention is that, realize the innoxious and recycling of phosphatization sludge, through calculating, including the indirect expenses such as the direct costs such as sawdust, biological carbon, organic fertilizer and artificial, place, water power, Zong Hefeiyong $800/t, the 1/6 of deficiency commission outward transport landfill, environment and economic benefit are very prominent.
Description
Technical field
The present invention relates to a kind of methods using phosphatization sludge Nutrition Soil, are mainly used in the technical field of environmental protection.
Background technique
As traditional process of surface treatment, the discharge of wastewater after phosphorating treatment is always the emphasis of environmental protection supervision, especially
It is the TP (total phosphorus) in waste water and the huge sum of money based on Zn (zinc) under the severe situation that China's river and lake eutrophication remains high
Category constitutes a threat to water quality safety.To guarantee qualified discharge, phosphorized waste water mainly uses coagulation-settlement process, i.e., by adding alkali
Promote soluble phosphate radical to generate insoluble calcium phosphate precipitation, realizes removal synchronous with heavy metal to TP, be substantially
Polluter in water is shifted into sludge, from the point of view of pollutant life cycle, is realizing phosphorized waste water qualified discharge
Later, it is necessary to safe disposal be carried out to sludge, the pollution and infringement to environment could be taken precautions against in the entire process.
The main component of phosphatization sludge is phosphate, is pollutant for water body, is the arch-criminal of eutrophication, but is arrived
In soil for crop, it can but become the fertilizer for promoting its yield and quality, be can provide the resource utilized.But in view of
Containing heavy metal, phosphatization sludge is put into national " hazardous waste catalogue ", and common method of disposal is to be transported to dangerous solid waste landfill
Field carries out security landfill, and potential resource is not only not used, and also adds the production cost of enterprise and to public environmentally friendly resource
Occupancy.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of methods using phosphatization sludge Nutrition Soil, realize dangerous solid
Useless innoxious and recycling.
The present invention is achieved through the following technical solutions.
A method of using phosphatization sludge Nutrition Soil, step includes:
(1) sludge drying:
Desiccation is carried out to the phosphatization sludge after filters pressing, moisture content is down to 40% or less；
(2) soil ginseng is mixed:
By moisture content in 40% phosphatization sludge and normal soil below according to the ratio of 1:3~1:5, and add sawdust,
It is mixed equably to carry out ginseng for biological carbon, organic fertilizer；
(3) crop is planted:
Mixed soil will be joined and make thinner into the culture medium with a thickness of 20cm, plant water spinach by way of cuttage cauline leaf；
(4) Nutrition Soil processed:
The water spinach of harvesting in 7~10 days, i.e. excision caulody tender leaf, after completing bimestrial harvesting, root out all
Water spinach plant, joining mixed soil, mix is uniform again, plants water spinach again through the mode of cuttage cauline leaf, is equally then
Harvesting in 7~10 days is primary, and after completing bimestrial harvesting again, all water spinach plant of rooting out again will join mixed soil
Again mix is uniform, plants water spinach again through the mode of cuttage cauline leaf, is equally then that harvesting in 7~10 days is primary, passes through altogether
Cross six months phytoremediations；
(5) harvested material is disposed:
The water spinach gathered in and pulled out is concentrated and is burned, ash is transported to dangerous solid waste landfill site and carries out security landfill.
Further, (2): the volume ratio of sawdust and the mixed soil of ginseng is 2:1~3:1.
Further, (2): biological carbon and ginseng mix the volume ratio of soil as 5:1~10:1.
Further, the mass ratio of organic fertilizer and the mixed soil of ginseng is 10:1~20:1.
Further, the strain spacing of (3) water spinach is not more than 10cm, keeps joining mixed soil moisture content 80%, environment temperature
25~35 DEG C.
Further, after (4) six months phytoremediations, 200mg/kg is down to hereinafter, having to join Zn content in mixed soil
Imitating phosphorus content, the above are up to standard up to 1g/kg.
Beneficial effects of the present invention:
The innoxious and recycling for realizing phosphatization sludge, is calculated, including the flat costs such as sawdust, biological carbon, organic fertilizer
With and the indirect expenses such as artificial, place, water power including, comprehensive cost, the 1/6 of deficiency commission outward transport landfill, environment
It is very prominent with economic benefit.
Specific embodiment
Below according to embodiment, invention is further described in detail.
The invention discloses a kind of method using phosphatization sludge Nutrition Soil, specific implementation the following steps are included:
1, sludge drying
To the phosphatization sludge further progress desiccation after filters pressing, by moisture content be down to 40% hereinafter, so as to equably with
It is mixed that soil carries out ginseng.Visual concrete condition when specific implementation, is used to the waste heat in phosphating process, such as the tail vapour of steam
Deng.
2, soil ginseng is mixed
By moisture content in 40% phosphatization sludge and normal soil below according to the ratio of 1:3~1:5, and add sawdust
(being 2:1~3:1 with the volume ratio for joining mixed soil), biological carbon (being 5:1~10:1 with the volume ratio for joining mixed soil), organic fertilizer
Modified fillers such as (being 10:1~20:1 with the mass ratio for joining mixed soil), it is mixed equably to carry out ginseng.Wherein sawdust and biological carbon are used
To improve the retain water and nutrients ability for joining mixed soil, organic fertilizer is used as base fertilizer.
3, crop is planted
Mixed soil will be joined and make thinner into the culture medium with a thickness of 20cm, water spinach is planted by way of cuttage cauline leaf, between strain
Away from 10cm is not more than, holding, which is joined, mixes soil moisture content 80%, and 25~35 DEG C of environment temperature.Temperature regulates and controls visual concrete condition, right
Waste heat in phosphating process is used, such as the tail vapour of steam.
4, Nutrition Soil processed
Harvesting in 7~10 days is primary, i.e. excision caulody tender leaf.After completing bimestrial harvesting, all water spinaches of rooting out
Plant, joining mixed soil, mix is uniform again, plants water spinach again through the mode of cuttage cauline leaf, is equally then 7~10
Its harvesting is primary.After completing bimestrial harvesting again, all water spinach plant of rooting out again will join mixed soil and mix again
It closes uniformly, plants water spinach again through the mode of cuttage cauline leaf, be equally then that harvesting in 7~10 days is primary.By six months
Phytoremediation after, join Zn content in mixed soil and be down to 200mg/kg hereinafter, meeting the secondary standard of national soil environment quality,
Available phosphorus content reaches 1g/kg or more, can be used as Nutrition Soil, is widely used in agricultural planting, the greening institutes such as gardens and restoration of the ecosystem
The soil matrix improvement needed.
5, harvested material is disposed
The water spinach gathered in and pulled out is concentrated and is burned, ash is transported to dangerous solid waste landfill site and carries out security landfill.
Certain enterprise's phosphatization production line, average daily 50~70t/d of wastewater flow rate, water treatment system daily produce mud 0.5t, produce mud per year
120t, commission qualification unit are transported to dangerous solid waste landfill site landfill outside, and corresponding expense is that need to consume 600,000 yuan in 1 year,
To reduce the heavy burdens, enterprise has carried out phosphatization sewage sludge harmlessness and recycling work, that is, utilizes phosphatization sludge Nutrition Soil.Specifically do
Method is that the moisture content of phosphatization sludge is down to 40% or less using the residual heat resources of phosphatization production line；Then with plant area greenbelt soil
Earth and adds sawdust (being 3:1 with the volume ratio for joining mixed soil), biological carbon (with the volume ratio for joining mixed soil according to the ratio of 1:3
For modified fillers such as 10:1), organic fertilizers (being 20:1 with the mass ratio for joining mixed soil), it is mixed equably to carry out ginseng；Utilize idle water
Vinyl house is built in mud place, will be joined mixed soil and is made thinner into the culture medium with a thickness of 20cm in greenhouse, passes through cuttage cauline leaf
Mode plants water spinach, and strain spacing 10cm is kept joining mixed soil moisture content 80%, be kept using the residual heat resources of phosphatization production line
For temperature of shed about 30 DEG C, harvesting in 7 days is primary, and the every two moon plants receipts to join that mixed soil re-starts mix and water spinach
It cuts；The water spinach gathered in weekly concentrates and is burned, ash commission have be transported to outside the unit of qualification dangerous solid waste landfill site into
Row landfill；By scheduling to last the phytoremediation of half a year, the Zn content for joining mixed soil is 93.7mg/kg, meets national soil environment matter
The primary standard of amount, the slightly above background value of locality farmland 81.4mg/kg, and the available phosphorus content for joining mixed soil is 1.26g/
Kg, much higher than the 0.42g/kg in local farmland；Soil of the mixed soil of ginseng for this enterprise land use for greening after phytoremediation changes
It is good.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with this field technology
Personage can understand the content of present invention and be implemented, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (6)
1. a kind of method using phosphatization sludge Nutrition Soil, which is characterized in that step includes:
(1) sludge drying:
Desiccation is carried out to the phosphatization sludge after filters pressing, moisture content is down to 40% or less；
(2) soil ginseng is mixed:
By moisture content in 40% phosphatization sludge and normal soil below according to the ratio of 1:3~1:5, and add sawdust, biology
It is mixed equably to carry out ginseng for carbon, organic fertilizer；
(3) crop is planted:
Mixed soil will be joined and make thinner into the culture medium with a thickness of 20cm, plant water spinach by way of cuttage cauline leaf；
(4) Nutrition Soil processed:
The water spinach of harvesting in 7~10 days, i.e. excision caulody tender leaf, after completing bimestrial harvesting, root out all hollow
Dish plant, joining mixed soil, mix is uniform again, plants water spinach again through the mode of cuttage cauline leaf, be equally then 7~
Harvesting in 10 days is primary, and after completing bimestrial harvesting again, all water spinach plant of rooting out again will join mixed soil again
Mix is uniform, plants water spinach again through the mode of cuttage cauline leaf, is equally then that harvesting in 7~10 days is primary, passes through six altogether
A month phytoremediation；
(5) harvested material is disposed:
The water spinach gathered in and pulled out is concentrated and is burned, ash is transported to dangerous solid waste landfill site and carries out security landfill.
2. the method according to claim 1 using phosphatization sludge Nutrition Soil, which is characterized in that (2): sawdust and ginseng are mixed
The volume ratio of soil is 2:1~3:1.
3. the method according to claim 1 using phosphatization sludge Nutrition Soil, which is characterized in that (2): biological carbon and ginseng
The volume ratio of mixed soil is 5:1~10:1.
4. the method according to claim 1 using phosphatization sludge Nutrition Soil, which is characterized in that organic fertilizer and the mixed soil of ginseng
The mass ratio of earth is 10:1~20:1.
5. the method according to claim 1 using phosphatization sludge Nutrition Soil, which is characterized in that (3) strain of water spinach
Spacing is not more than 10cm, and holding, which is joined, mixes soil moisture content 80%, and 25~35 DEG C of environment temperature.
6. the method according to claim 1 using phosphatization sludge Nutrition Soil, which is characterized in that plant in (4) six months
After object is repaired, being down to 200mg/kg with Zn content in the mixed soil of ginseng, the above are up to standard hereinafter, available phosphorus content is up to 1g/kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539970.3A CN109618866A (en) | 2018-12-17 | 2018-12-17 | A method of utilizing phosphatization sludge Nutrition Soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539970.3A CN109618866A (en) | 2018-12-17 | 2018-12-17 | A method of utilizing phosphatization sludge Nutrition Soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109618866A true CN109618866A (en) | 2019-04-16 |
Family
ID=66074381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539970.3A Pending CN109618866A (en) | 2018-12-17 | 2018-12-17 | A method of utilizing phosphatization sludge Nutrition Soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109618866A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636896A (en) * | 2021-08-20 | 2021-11-12 | 华电西藏能源有限公司大古水电分公司 | Method for promoting sandy aggregate dewatered sludge to be in soil by using wood processing excess material and biochar thereof |
| CN115500238A (en) * | 2022-09-15 | 2022-12-23 | 湖北三峡实验室 | Method for improving phosphogypsum yard soil by using waste straws |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113636896A (en) * | 2021-08-20 | 2021-11-12 | 华电西藏能源有限公司大古水电分公司 | Method for promoting sandy aggregate dewatered sludge to be in soil by using wood processing excess material and biochar thereof |
| CN115500238A (en) * | 2022-09-15 | 2022-12-23 | 湖北三峡实验室 | Method for improving phosphogypsum yard soil by using waste straws |
| CN115500238B (en) * | 2022-09-15 | 2024-01-09 | 湖北三峡实验室 | Method for improving phosphogypsum storage yard soil by using waste straw |
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Application publication date: 20190416 |