CN107721715A

CN107721715A - A kind of preparation method for coking soil conditioner

Info

Publication number: CN107721715A
Application number: CN201710732787.4A
Authority: CN
Inventors: 任倩妍
Original assignee: Pujiang County Hong Hung Horticulture Research And Development Co Ltd
Current assignee: Pujiang County Hong Hung Horticulture Research And Development Co Ltd
Priority date: 2017-08-24
Filing date: 2017-08-24
Publication date: 2018-02-23

Abstract

The invention discloses a kind of preparation method for coking soil conditioner, including：Turf preparation, bamboo charcoal preparation, compost, compound.Have the beneficial effect that：With heavy metal ion such as the lead ion in soil, cadmium ion, copper ions complex reaction can occur for the functional polypeptide in soil conditioner, the complex compound of formation can flow to the bottom of soil under the leaching of the soil liquid, so as to produce toxic side effect to crop；Soil conditioner has higher degradation efficiency to remaining the organic pollution such as the PAHs such as excessive pyrene, phenanthrene, fluorenes, naphthalene, anthracene and phenol system, benzene series in coking soil, while protects nitrogen effect with preferable；Soil conditioner also has the function that to improve soil property and soil texture, strengthens soil nutrient, and the humus in organic fertilizer can strengthen the retentiveness of soil with water-loss reducer, make loosing soil, increase porosity, fundamentally improve coking soil soil property.

Description

A kind of preparation method for coking soil conditioner

Technical field

The invention belongs to the preparation field of soil conditioner, more particularly to a kind of preparation side for coking soil conditioner Method.

Technical background

In recent years, the level of economic development in China improves rapidly, and urbanization process is accelerated, and industrialized pattern occurs larger Change, substantial amounts of industrial and mineral land used receives larger pollution.The most serious is industrial land, its scope polluted for pollution level Compare concentration, the depth of pollution reaches beneath tens of rice, and underground water and soil all receive serious pollution.Soil pollution with Afterwards so that living resources diversity is increasingly reduced, land resource worsening shortages, this serious prestige rib, the health of human body, ecological environment Stabilization and social harmony etc..Although although China has formulated the file of corresponding specification contaminated site environmental management, It is fewer to ambient soil repairing research, therefore, cause dirty feelings to wish that carry out research anticipates with important reality to soil pollution reparation Justice.

Found when coking soil pollution feelings are wished and investigated, benzene homologues, polycyclic aromatic hydrocarbon are most important in coke-oven plant Pollutant, coke-oven plant in process of production by a organized way and it is amorphous discharge will pollution object be discharged into air or soil In, pollutant spreads rapidly, in addition, during storage, transport and processing materials, material seepage is so as to causing soil Pollution, the workshop that the contaminated material of omission is mainly distributed includes：Coking, gas purification and tar product pollute between returning the vehicle to the garage and knock off Soil layer be predominantly located at 0-5m powder soil horizon region.Experimental study is carried out to the pollutant of soil, finds more cyclophanes in soil The diversity ratio of hydrocarbon content is larger.In a word, during to coke-oven plant's soil remediation, to determine to select appropriate reparation countermeasure.

The content of the invention

The purpose of this method is to provide the preparation method kind for coking soil conditioner, and preparation method is simply easily grasped Make, raw materials safety and environmental protection, can effectively improve coking soil, soil texture can also be improved, suitable green plant grows.

The present invention is directed to the problem of being mentioned in background technology, and the technical scheme taken is：One kind is used for coking soil improvement The preparation method of agent, including：Turf preparation, bamboo charcoal preparation, compost, compound, specifically include following steps：

It is prepared by turf：The hybrid giant napier of collection is rinsed well with running water, air-dried, oven for drying is placed into, then uses pulverizer 1-2cm is crushed to, hybrid giant napier powder is wrapped with masking foil and is placed in tubular type retort, is passed through nitrogen, with 5-8 DEG C/min liter Warm speed rises to 680-700 DEG C of target temperature, then keeps 3-4 hours；Carbonizing production is ground and crosses sieve aperture 0.15-0.18mm Sieve, with 1-1.5mol/L hydrochloric acid Immersion treatment 3-4 hours, to remove the ashy substances such as calcium carbonate；With distillation washing after suction filtration Wash to washing lotion in neutrality, be put into 75-80 DEG C of baking oven and dry 20-24 hours and produce turf；High temperature causes the cellulose of people of imperial lineage's grass big Amount is destroyed, and makes surface deposits start to tail off, surface flatness increase, and forms micropore, possesses suction-operated；Turf pair simultaneously The polycyclic aromatic hydrocarbon such as excessive pyrene, phenanthrene, fluorenes, naphthalene, anthracene type organic is remained in coking soil has higher degradation efficiency；

It is prepared by bamboo charcoal：Using mao bamboon as raw material, through crushing, sieve, standby after natural air drying；Bamboo scraps are entered with auto-programming heating furnace Row charing, is warming up to 580-600 DEG C, and be incubated 2-3 hours with 3-5 DEG C/min speed；By the bamboo charcoal 5- after natural cooling 6mol/L sodium hydroxide solution immersion 24-30 hours, 10-12 minutes then are heated with high fiery microwave, incline solution, then adds and go Ionized water is with microwave heated wash 5-10 minutes, stand-by with 200-220 DEG C of drying so after washing for several times；Activation causes biology Charcoal specific surface area expands, and is so advantageous to provide more adsorption sites for modification biological charcoal, not only acts as carbon sequestration, the work of water holding With, moreover it is possible to increase soil nutrient and withhold, reduce the soil weight, increase porosity；Bamboo charcoal Pyrogentisinic Acid, 2,4- chlorophenesic acids, to nitre The phenolic comp ' ds pollutions such as base phenol, amino-phenol are respectively provided with higher adsorption rate；

Compost：By 100-120 parts farmers' cattle manure, 30-40 parts sawdust, 40-50 parts turf, 40-50 part bamboo charcoal hybrid compostings, Addition distillation water management water content is 50-55%, uses air compressor to be supplied oxygen to heap body in a manner of forced ventilation, daily To ventilate 1-2 hours, compost adds water to ensure that water content is maintained at 40-50% daily after starting, per turning in 2-3 days once, compost 18- 20 days；Composting material is all decomposed, and stench disappears, and pathogeny bacterium, worm's ovum, grass-seed in raw material etc. all kill, animal dung Fermentation can increase the content of organic matter, provide trace element in nitrogen, phosphorus, potassium, iron, zinc, calcium etc. for plant, enrich the battalion of soil Form point；

Compound：Weigh matured compost 200-250 parts, urea 30-40 parts, calcium superphosphate 20-25 parts, potassium chloride 10-20 parts, lime 30-35 parts, edible fungi residue 50-60 parts, water-loss reducer 10-15 parts, functional polypeptide 2-3 part compounds produce soil conditioner；Work( Can the amino acid sequence of property polypeptide be：SCASRCFKSRRCKSRCRARRCRARRCGCRARRCGYYVSVFRC；Functional polypeptide Complex reaction can occur with heavy metal ion such as the lead ion in soil, cadmium ion, copper ions, the complex compound of formation is in soil The bottom of soil can be flow under the leaching of solution, so as to which toxic side effect will not be produced to crop；Soil conditioner pair The organic pollution such as the PAHs such as excessive pyrene, phenanthrene, fluorenes, naphthalene, anthracene and phenol system, benzene series is remained in coking soil has higher drop Efficiency is solved, while nitrogen effect is protected with preferable；Soil conditioner, which also has, improves soil property and soil texture, enhancing soil are sought The effect of material is supported, the humus in organic fertilizer can strengthen the retentiveness of soil with water-loss reducer, make loosing soil, increase hole Degree, fundamentally improve coking soil soil property.

Preferably, cattle manure used is cow dung or chicken manure or pig manure or sheep manure；Not only protected using cattle manure Environment, moreover it is possible to the nutriment such as organic matter, middle trace element, humus necessary to providing plant growth for coking soil.

Birdsed of the same feather flock together preferably, water-loss reducer used is polyacrylamide or Starch with Acrylic Acid copolymer or polyacrylate Compound or cornstarch-acrylates analog copolymer or polyacrylic acid sylvite-polyacrylic acid amide copolymer；Water-loss reducer can be rapid The deionized water that hundreds times of absorptance itself weight, it, which is created, can quickly absorb, store, slowly discharge the small water of moisture and nutrient Storehouse, and irrigation water or rain leakage are effectively reduced, soil moisture control evaporation, to meet the growth needs of plant, promote plant Root growth and development, while improve soil texture, increase soil activation, reduce soil hardening etc..

Compared with prior art, the advantage of the invention is that：1）Functional polypeptide in soil conditioner can be with soil In lead ion, cadmium ion, the heavy metal ion such as copper ion occur complex reaction, the elution of the complex compound of formation in the soil liquid The lower bottom that can flow to soil of effect, so as to which toxic side effect will not be produced to crop；2）Soil conditioner is to coking soil The organic pollutions such as PAHs and phenol system, benzene series such as the excessive pyrene of middle residual, phenanthrene, fluorenes, naphthalene, anthracene have higher degradation efficiency, Simultaneously nitrogen effect is protected with preferable；3）Soil conditioner also has improvement soil property and soil texture, enhancing soil nutrient thing The effect of matter, the humus in organic fertilizer can strengthen the retentiveness of soil with water-loss reducer, make loosing soil, increase porosity, Fundamentally improve coking soil soil property.

Embodiment

The present invention program is described further below by embodiment：

Embodiment 1：

A kind of preparation method for coking soil conditioner, comprise the following steps：

1）Hybrid giant napier powder is wrapped with masking foil and is placed in tubular type retort, is passed through nitrogen, with 5 DEG C/min heating rate liter To 680 DEG C of target temperature, then kept for 3 hours；Carbonizing production is ground and crosses sieve aperture 0.15mm sieves, with 1mol/L salt acidleach Do not handle 3 hours, to remove the ashy substances such as calcium carbonate；Washing lotion is washed with distilled water to after suction filtration in neutrality, is put into 75 DEG C of bakings Case, which dries 20 hours, produces turf；High temperature causes the cellulose of people of imperial lineage's grass to make surface deposits start to tail off, surface by considerable damage Smoothness increase, and micropore is formed, possess suction-operated；Simultaneously turf to remained in coking soil excessive pyrene, phenanthrene, fluorenes, naphthalene, The polycyclic aromatic hydrocarbon such as anthracene type organic has higher degradation efficiency；

2）Mao bamboon bits are carbonized with auto-programming heating furnace, are warming up to 580 DEG C with 3 DEG C/min speed, and it is small to be incubated 2 When；Bamboo charcoal after natural cooling is soaked 24 hours with 5mol/L sodium hydroxide solution, then heats 10 points with high fiery microwave Clock, incline solution, then adds deionized water microwave heated wash 5 minutes, stand-by with 200 DEG C of drying so after washing for several times； The phenolic comp ' ds pollutions such as bamboo charcoal Pyrogentisinic Acid, 2,4- chlorophenesic acids, p-nitrophenol, amino-phenol are respectively provided with higher adsorption rate；

3）By 100 parts of farmers''s cattle manures, 30 parts of sawdusts, 40 parts of turfs, 40 parts of bamboo charcoal hybrid compostings, addition distillation water management contains Water is 50%, uses air compressor to be supplied oxygen to heap body in a manner of forced ventilation, daily ventilation 1 hour, after compost starts Daily plus water ensures that water content is maintained at 40%, every turning in 2 days once, compost 18 days；Composting material is all decomposed, stench Disappear, pathogeny bacterium, worm's ovum, grass-seed in raw material etc. all kill；

4）Weigh 200 parts of matured compost, 30 parts of urea, 20 parts of calcium superphosphate, 10 parts of potassium chloride, 30 parts of lime, edible fungi residue 50 parts, 2 parts of 10 parts of water-loss reducer, functional polypeptide compounds produce soil conditioner；Soil conditioner in coking soil to remaining The organic pollutions such as PAHs and phenol system, benzene series such as more pyrene, phenanthrene, fluorenes, naphthalene, anthracene have higher degradation efficiency, have concurrently simultaneously Have and preferably protect nitrogen effect；Soil conditioner also has the function that to improve soil property and soil texture, enhancing soil nutrient, had Humus in machine fertilizer can strengthen the retentiveness of soil with water-loss reducer, make loosing soil, increase porosity, fundamentally improve Coking soil soil property.

Embodiment 2：

1）It is prepared by turf：Hybrid giant napier powder is wrapped with masking foil and is placed in tubular type retort, is passed through nitrogen, with 8 DEG C/min's Heating rate rises to 700 DEG C of target temperature, is then kept for 4 hours；Carbonizing production is ground and crosses sieve aperture 0.18mm sieves, is used 1.5mol/L hydrochloric acid Immersion treatment 4 hours, to remove the ashy substances such as calcium carbonate；Washing lotion is washed with distilled water to after suction filtration is in Neutrality, it is put into 80 DEG C of baking ovens bakings and produces turf in 24 hours；High temperature causes the cellulose of people of imperial lineage's grass to deposit surface by considerable damage Thing starts to tail off, surface flatness increase, and forms micropore, possesses suction-operated；

2）It is prepared by bamboo charcoal:Using mao bamboon as raw material, through crushing, sieve, standby after natural air drying；With auto-programming heating furnace to bamboo scraps Carbonized, be warming up to 600 DEG C with 5 DEG C/min speed, and be incubated 3 hours；By the bamboo charcoal after natural cooling with 6mol/L's Sodium hydroxide solution soaks 30 hours, is then heated 12 minutes with high fiery microwave, and incline solution, then adds deionized water to be added with microwave It is stand-by with 220 DEG C of drying after thermal cleaning 10 minutes, so washing for several times；Activation causes charcoal specific surface area to expand, so Be advantageous to provide more adsorption sites for modification biological charcoal, not only act as the effect of carbon sequestration, water holding, moreover it is possible to increase soil nutrient Withhold, reduce the soil weight, increase porosity；

3）Compost：By 120 parts of farmers''s cattle manures, 40 parts of sawdusts, 50 parts of turfs, 50 parts of bamboo charcoal hybrid compostings, distilled water is added It is 55% to control water content, uses air compressor to be supplied oxygen to heap body in a manner of forced ventilation, daily ventilation 2 hours, compost After beginning daily plus water ensures that water content is maintained at 50%, every turning in 3 days once, compost 20 days；Livestock and poultry manure fermentation can make to have The increase of machine matter content, trace element in nitrogen, phosphorus, potassium, iron, zinc, calcium etc. is provided for plant, enriches the nutritional ingredient of soil；

4）Compound：Weigh 250 parts of matured compost, 40 parts of urea, 25 parts of calcium superphosphate, 20 parts of potassium chloride, 35 parts of lime, edible mushroom 3 parts of 60 parts of bacteria residue, 15 parts of water-loss reducer, functional polypeptide compounds produce soil conditioner；Soil conditioner is to residual in coking soil Stay the organic pollution such as the PAHs such as excessive pyrene, phenanthrene, fluorenes, naphthalene, anthracene and phenol system, benzene series that there is higher degradation efficiency, simultaneously Nitrogen effect is protected with preferable；Soil conditioner also has improvement soil property with soil texture, strengthens the work of soil nutrient With humus in organic fertilizer can strengthen the retentiveness of soil with water-loss reducer, make loosing soil, increase porosity, from basic Upper improvement coking soil soil property.

Embodiment 3：

A kind of preparation method for coking soil conditioner, including：Turf preparation, bamboo charcoal preparation, compost, compound, specific bag Include following steps：

It is prepared by turf：The hybrid giant napier of collection is rinsed well with running water, air-dried, oven for drying is placed into, then uses pulverizer 1cm is crushed to, hybrid giant napier powder is wrapped with masking foil and is placed in tubular type retort, is passed through nitrogen, with 5 DEG C/min heating speed Rate rises to 700 DEG C of target temperature, is then kept for 4 hours；Carbonizing production is ground and crosses sieve aperture 0.16mm sieves, with 1.5mol/L's Hydrochloric acid Immersion treatment 4 hours, to remove the ashy substances such as calcium carbonate；Washing lotion is washed with distilled water to after suction filtration in neutrality, is put into 75 DEG C of baking ovens, which dry 24 hours, produces turf；High temperature causes the cellulose of people of imperial lineage's grass to make surface deposits start to become by considerable damage It is few, surface flatness increase, and micropore is formed, possess suction-operated；Simultaneously turf to remained in coking soil excessive pyrene, The polycyclic aromatic hydrocarbon such as phenanthrene, fluorenes, naphthalene, anthracene type organic has higher degradation efficiency；

It is prepared by bamboo charcoal:Using mao bamboon as raw material, through crushing, sieve, standby after natural air drying；Bamboo scraps are entered with auto-programming heating furnace Row charing, 600 DEG C are warming up to 4 DEG C/min speed, and are incubated 3 hours；By the hydrogen of the bamboo charcoal 5mol/L after natural cooling Sodium hydroxide solution is soaked 30 hours, is then heated 10 minutes with high fiery microwave, and incline solution, then adds deionized water to be heated with microwave It is stand-by with 200 DEG C of drying after cleaning 10 minutes, so washing for several times；Activation causes charcoal specific surface area to expand, and so has More adsorption sites are provided beneficial to for modification biological charcoal, not only act as the effect of carbon sequestration, water holding, moreover it is possible to increases soil nutrient and holds Stay, reduce the soil weight, increase porosity；The phenols such as bamboo charcoal Pyrogentisinic Acid, 2,4- chlorophenesic acids, p-nitrophenol, amino-phenol Pollutant is respectively provided with higher adsorption rate；

Compost：By 120 parts of farmers''s cattle manures, 30 parts of sawdusts, 50 parts of turfs, 50 parts of bamboo charcoal hybrid compostings, addition distillation water control Water content processed is 55%, uses air compressor to be supplied oxygen to heap body in a manner of forced ventilation, daily ventilation 1 hour, and compost is opened After beginning daily plus water ensures that water content is maintained at 50%, every turning in 2 days once, compost 18 days；Composting material is all decomposed, Stench disappears, and pathogeny bacterium, worm's ovum, grass-seed in raw material etc. all kill, and livestock and poultry manure fermentation can increase the content of organic matter, to plant Thing provides trace element in nitrogen, phosphorus, potassium, iron, zinc, calcium etc., enriches the nutritional ingredient of soil；

Compound：Weigh 240 parts of matured compost, 35 parts of urea, 25 parts of calcium superphosphate, 15 parts of potassium chloride, 35 parts of lime, edible fungi 3 parts of 60 parts of slag, 15 parts of water-loss reducer, functional polypeptide compounds produce soil conditioner；The amino acid sequence of functional polypeptide is： SCASRCFKSRRCKSRCRARRCRARRCGCRARRCGYYVSVFRC；Functional polypeptide can be with the lead ion in soil, cadmium Complex reaction occurs for the heavy metal ion such as ion, copper ion, and the complex compound of formation can flow under the leaching of the soil liquid The bottom of soil is moved, so as to which toxic side effect will not be produced to crop；Soil conditioner to remained in coking soil excessive pyrene, The organic pollution such as the PAHs such as phenanthrene, fluorenes, naphthalene, anthracene and phenol system, benzene series has higher degradation efficiency, while with preferable Protect nitrogen effect；Soil conditioner also has the function that to improve soil property and soil texture, strengthens soil nutrient, in organic fertilizer Humus can strengthen the retentiveness of soil with water-loss reducer, make loosing soil, increase porosity, fundamentally improve coking soil Soil property.

Routine operation in the operating procedure of the present invention is well known to those skilled in the art, herein without repeating.

Technical scheme is described in detail embodiment described above, it should be understood that it is described above only For the specific embodiment of the present invention, it is not intended to limit the invention, all any modifications made in the spirit of the present invention, Supplement or similar fashion replacement etc., should be included in the scope of the protection.

Sequence table

<110>Close big vast gardening research and development Co., Ltd in Pujiang County

<120>A kind of preparation method for coking soil conditioner

<160> 1

<170> SIPOSequenceListing 1.0

<210> 1

<211> 42

<212> PRT

<213>Artificial synthesized (Mytilus coruscus)

<400> 1

Ser Cys Ala Ser Arg Cys Phe Lys Ser Arg Arg Cys Lys Ser Arg Cys

1 5 10 15

Arg Ala Arg Arg Cys Arg Ala Arg Arg Cys Gly Cys Arg Ala Arg Arg

20 25 30

Cys Gly Tyr Tyr Val Ser Val Phe Arg Cys

35 40

Claims

A kind of 1. preparation method for coking soil conditioner, it is characterised in that：Described preparation method includes：

1）It is prepared by turf：High temperature cabonization bambusa textile grass prepares turf；

2）It is prepared by bamboo charcoal：It is modified with sodium hydroxide solution after carbonization mao bamboon；

3）Compost：Decomposed farmers''s cattle manure；

4）Compound：Compound soil conditioner.
A kind of 2. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described grass Charcoal preparation process is：The hybrid giant napier of collection is rinsed well with running water, air-dried, oven for drying is placed into, then uses pulverizer 1-2cm is crushed to, hybrid giant napier powder is wrapped with masking foil and is placed in tubular type retort, is passed through nitrogen, with 5-8 DEG C/min liter Warm speed rises to 680-700 DEG C of target temperature, then keeps 3-4 hours；Carbonizing production is ground and crosses sieve aperture 0.15-0.18mm Sieve, with 1-1.5mol/L hydrochloric acid Immersion treatment 3-4 hours, to remove the ashy substances such as calcium carbonate；With distillation washing after suction filtration Wash to washing lotion in neutrality, be put into 75-80 DEG C of baking oven and dry 20-24 hours and produce turf.
A kind of 3. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described bamboo Charcoal preparation process is：Using mao bamboon as raw material, through crushing, sieve, standby after natural air drying；Bamboo scraps are entered with auto-programming heating furnace Row charing, is warming up to 580-600 DEG C, and be incubated 2-3 hours with 3-5 DEG C/min speed；By the bamboo charcoal 5- after natural cooling 6mol/L sodium hydroxide solution immersion 24-30 hours, 10-12 minutes then are heated with high fiery microwave, incline solution, then adds and go Ionized water is with microwave heated wash 5-10 minutes, stand-by with 200-220 DEG C of drying so after washing for several times.
A kind of 4. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described heap Fertile step is：By 100-120 parts farmers' cattle manure, 30-40 parts sawdust, 40-50 parts turf, 40-50 part bamboo charcoal hybrid compostings, Addition distillation water management water content is 50-55%, uses air compressor to be supplied oxygen to heap body in a manner of forced ventilation, daily To ventilate 1-2 hours, compost adds water to ensure that water content is maintained at 40-50% daily after starting, per turning in 2-3 days once, compost 18- 20 days.
A kind of 5. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described heap Farmers''s cattle manure in fertile step is cow dung or chicken manure or pig manure or sheep manure.
A kind of 6. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described answers Mixed step is：Weigh matured compost 200-250 parts, urea 30-40 parts, calcium superphosphate 20-25 parts, potassium chloride 10-20 parts, lime 30-35 parts, edible fungi residue 50-60 parts, water-loss reducer 10-15 parts, functional polypeptide 2-3 part compounds produce soil conditioner.
A kind of 7. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described answers The amino acid sequence of functional polypeptide in mixed step is： SCASRCFKSRRCKSRCRARRCRARRCGCRARRCGYYVSVFRC。
A kind of 8. preparation method for coking soil conditioner according to claim 1, it is characterised in that：Described grass Water-loss reducer in charcoal preparation process is polyacrylamide or Starch with Acrylic Acid copolymer or polyacrylate polymer or corn Starch with Acrylic Acid saline copolymer or polyacrylic acid sylvite-polyacrylic acid amide copolymer.