CN110612885A - Oily solid waste high-temperature thermal oxidation residue-based green plant soil - Google Patents
Oily solid waste high-temperature thermal oxidation residue-based green plant soil Download PDFInfo
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- CN110612885A CN110612885A CN201910985449.0A CN201910985449A CN110612885A CN 110612885 A CN110612885 A CN 110612885A CN 201910985449 A CN201910985449 A CN 201910985449A CN 110612885 A CN110612885 A CN 110612885A
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- 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
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- 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
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- 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
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- Soil Conditioners And Soil-Stabilizing Materials (AREA)
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses oil-containing solid waste high-temperature thermal oxidation residue based green plant soil, which is prepared by adjusting the high-temperature thermal oxidation residue of oil-containing solid waste to the water content of 20-30% by using weak acid wastewater generated by dedusting high-temperature thermal oxidation tail gas, and mixing the adjusted residue with crushed straws, humic acid and phosphate, wherein the mass ratio of the high-temperature thermal oxidation residue to the crushed straws, the humic acid and the phosphate is 45-80: 2-7: 0.5-5: 0.5-4. The invention simultaneously realizes the soil chemical treatment of high-temperature thermal oxidation residues and the comprehensive utilization of tail gas and waste water generated in the thermal oxidation treatment of oil-containing solid wastes, and the obtained green plant soil can meet the soil requirement for planting saline-alkali tolerant plants.
Description
Technical Field
The invention belongs to the technical field of recycling oil-containing residues of oil and gas fields after treatment, and particularly relates to green planting soil based on high-temperature thermal oxidation residues of oil-containing solid wastes.
Background
In the production process of the oil field, a large amount of solid wastes containing oil, such as oil-based mud, polysulfonate mud, oil sludge falling to the ground, sewage treatment scum and tank bottom sludge, can be produced, and can realize the recycling and harmless treatment of oil-containing pollutants after reduction, pyrolysis and high-temperature thermal oxidation treatment. Since concentrated treatment is basically performed for such contaminants, a large amount of high-temperature thermal oxidation residue is generated. Heavy metals in the residue can reach the heavy metal control index of soil, but the alkalinity is strong (the pH value reaches 9.5-10).
The residue is treated at high temperature, so that the pollutants such as oil and the like in the residue can be thoroughly digested, but the organic matter content in the residue is very low, and the fertility is low. In addition, the waste gas treatment in the thermal oxidation process is carried out in a water spraying mode, so that the content of particles in smoke can be greatly reduced, the content of organic matters and sulfur dioxide in the smoke can be reduced, and the standard of the discharged smoke is ensured. The water is in full contact with tail gas, so that the water contains a certain amount of suspended particles and acidic components (the pH value reaches 3.0-5), and the water is difficult to recycle after being treated.
CN 1502673A discloses a saline-alkali soil repairing material, which mainly comprises 10-20% of seaweed degradation products, 10-20% of fish protein extracts, 10-20% of polyaspartate, shell powder, and 10-30% of crusta powder, wherein the proportioning percentages of the materials are respectively 10-20%, 5-15%, 20-60% and 10-30%.
CN 105969375A discloses a low-alkalinity soil remediation agent, which is prepared from the following raw materials in parts by weight: 23-25 parts of activated sludge, 3-4 parts of ganoderma lucidum spore powder, 5-7 parts of diammonium phosphate, 2.5-2.6 parts of alginic acid, 16-17 parts of sauce residue, 2.5-2.6 parts of calcium acetate, 57-60 parts of polluted pig manure and urine, 13-14 parts of papermaking black liquor, 3.2-3.3 parts of 10% nitric acid solution, 8-10 parts of alum pulp and a proper amount of water. By the adsorption and passivation effects of the repairing agent, the harm of dust on the surface layer of soil and a large amount of heavy metal emissions can be reduced, the soil fertility is improved by utilizing the combined action of organic humus and inorganic quick-acting nutrients, and the growth of green plants is facilitated by matching with the activity of soil microorganisms, so that the aims of fertilizing and reducing pollution of green belt soil are fulfilled.
CN 106986724A discloses a soil repairing agent for saline-alkali soil and a preparation method thereof, wherein the soil repairing agent comprises the following raw materials: the fuel coal flue gas desulfurization waste, a mixed microbial inoculum, a porous carrier, mixed plant powder, oil cake and black humic acid. The preparation method comprises the following steps: mixing the raw materials with water to form a fertilizer pile, and fermenting by adopting a composting method, wherein the temperature inside the fertilizer pile is 75-85 ℃ and the humidity is 60% -70% in the fermentation process. The method is simple to operate, low in cost and easy to implement, and the soil remediation agent prepared by the method is high in stability, and can effectively improve the physical and chemical properties of the saline-alkali soil, reduce the pH value of the soil, reduce the content of soluble salt in the soil and reduce the alkalization degree of the soil.
CN 101182418B discloses a biological improvement method of sand degraded soil, which adopts a soil restoration preparation prepared by compounding humic acid and a microbial agent, ditches and covers in the season before the summer comes after the beginning of spring, applies the soil restoration preparation to the sand degraded soil for planting liquorice, and carries out field management for 1-2 years. The method can rapidly increase the organic matter content of the soil and improve the microbial species and the number of the soil, thereby improving the ecological environment of the soil and achieving the purpose of improving the sand degraded soil.
CN 105368454A discloses a high-efficiency saline-alkali soil restoration agent, which consists of calcium oxide, silicon dioxide, aluminum oxide, sulfur trioxide, ferric oxide, magnesium oxide, titanium dioxide, potassium oxide, manganese oxide, sodium oxide and water. The repairing agent takes natural minerals as main raw materials, is green, environment-friendly and pollution-free, can maintain the pH value of repairing soil to be neutral after being used, does not influence plant growth, and can avoid secondary pollution to the surrounding environment. The soil repaired by the repairing agent has good water retention and fertilizer retention, and can be used for repairing sandy land and arid land. The repair soil is not dissolved in water before and after drying, so that water and soil loss can be prevented, the stink in the soil can be sealed, harmful substances are solidified, and the surrounding environment pollution caused by the outflow of the harmful substances is prevented.
CN 106190168A discloses a saline-alkali soil restoration agent and a preparation method thereof, wherein the saline-alkali soil restoration agent is prepared from the following raw materials in parts by weight: 20-25 parts of black humic acid, 10-15 parts of pomace, 5-10 parts of corn grit, 4-12 parts of soybean grit, 3-9 parts of rapeseed grit, 8-13 parts of methyl phenol, 3-7 parts of 2, 6-dimethoxyphenol, 8-12 parts of bentonite, 4-9 parts of oxalic acid, 3-7 parts of ammonium dihydrogen phosphate, 3-10 parts of potassium nitrate, 4-8 parts of calcium sulfate, 2-6 parts of magnesium chloride, 2-5 parts of sodium bismuthate, 3-6 parts of sodium alginate, 1-5 parts of urea, 3-10 parts of calcium cyanamide, 5-10 parts of a fermentation microbial agent, 2-6 parts of an antioxidant and 3-8 parts of a stabilizer. The saline-alkali soil remediation agent has reliable performance, can improve the soil quality of saline-alkali soil, and has no pollution to the environment.
CN 107384413A discloses a method for preparing a saline-alkali soil conditioner, which is characterized in that high-porosity calcium hydroxy phosphate is prepared by self and is used as an effective component of the conditioner, carbonate ions in saline-alkali soil replace phosphate ions in the calcium hydroxy phosphate, so that the aim of curing carbonate is achieved, the soil is effectively prevented from being alkalized, in addition, sodium ions in saline-alkali soil colloid can be replaced by the calcium hydroxy phosphate as a calcium-containing substance, the soil is further prevented from being alkalized, organic acid is generated by fermentation and degradation of a mixture to reduce the pH value of the saline-alkali soil, the generated organic acid can be attached to the surface of hydroxyapatite, the complexing performance of the organic acid can improve the enrichment degree of the conditioner on salts in the soil, the desalting rate of the conditioner is improved, and the conditioner has a wide application prospect.
CN 10765205A discloses a comprehensive base fertilizer for saline-alkali soil remediation and improvement, which is composed of the following raw materials in parts by mass: 20-65 parts of soil remediation agent, 20-70 parts of soil conditioner, 30-60 parts of organic fertilizer, 1-5 parts of microorganism, 1-9 parts of nitrogen fertilizer, 1-6 parts of phosphate fertilizer and 0.5-4 parts of potash fertilizer, and has the beneficial effects of adsorbing and decomposing saline and alkali in soil, ensuring the pH value in the soil to be 5.5-7.5, and having obvious effects of fertilizer and water retention.
CN 107674677A discloses a saline-alkali soil repairing agent for agricultural saline-alkali soil treatment and a preparation method thereof, which consists of 61-99% of polymaleic anhydride, 1-10% of gamma-polyglutamic acid and the balance of water, and has the characteristics of low production cost, simple preparation, convenient operation, rapid and efficient saline-alkali soil improvement and the like. The repairing agent can be used for improving saline-alkali soil into arable land so as to ensure that the saline-alkali soil has higher yield.
CN 109180313A discloses a soil repairing agent for agricultural soil repair and a preparation method thereof, wherein the soil repairing agent for agricultural soil repair comprises the following raw materials in parts by weight: 40-60 parts of modified activated shell powder, 10-30 parts of boric acid, 10-30 parts of borax, 10-30 parts of boron-magnesium fertilizer, 20-40 parts of potassium fulvate, 15-30 parts of chlormequat chloride, 20-40 parts of paclobutrazol, 30-50 parts of monopotassium phosphate, 20-40 parts of compound sodium nitrophenolate, 40-60 parts of biomass material and 40-60 parts of calcium bentonite. The soil restoration agent for agricultural soil restoration has the remarkable effects of restoring and improving soil, reducing environmental pollution, improving food safety, increasing yield and improving quality.
CN 108994061A discloses a soil repairing agent and a soil repairing method, wherein the soil repairing agent comprises 35-62 parts by weight of chelating agent, 12-29 parts by weight of surfactant, 19-33 parts by weight of organic solvent, 3-5 parts by weight of alkyl glycoside and 3-5 parts by weight of metal salt. Leaching the prepared soil remediation agent and soil for multiple times according to a preset proportion; and ventilating and heating the leached soil. The soil repairing agent and the soil repairing method can repair a plurality of kinds of pollutants in soil, have short repairing period, and have the removal rate of more than 98 percent on a plurality of pollutants such as cadmium, nitrobenzene and the like.
CN 109837090A discloses a saline-alkali soil restoration agent, which is prepared from the following raw materials in parts by weight: based on 25-35 parts of ferrous fumarate organic acid copolymer, 5-10 parts of seaweed meal, 15-20 parts of microbial fertilizer, 10-15 parts of calcium lignosulfonate, 5-10 parts of humic acid and 50-60 parts of water. The restoration agent is used for restoring saline-alkali soil, and the saline-alkali soil can be safely, quickly and efficiently restored.
Disclosure of Invention
The invention aims to solve the problem of resource utilization of the residue generated after the oil-containing residue is subjected to high-temperature thermal oxidation treatment.
The invention belongs to the technical field of recycling oil-containing residues of oil and gas fields after treatment, and provides green planting soil based on high-temperature thermal oxidation residues of oil-containing solid wastes, so that the soil chemical treatment of the residues generated after the high-temperature thermal oxidation treatment of the oil-containing solid wastes is realized.
Aiming at the purposes, the green planting soil adopted by the invention is prepared by adjusting the high-temperature thermal oxidation residue of oil-containing solid waste to the water content of 20-30% by using weak acid wastewater of high-temperature thermal oxidation tail gas dust removal, and mixing the waste with crushed straws, humic acid and phosphate, wherein the mass ratio of the high-temperature thermal oxidation residue to the crushed straws, the humic acid and the phosphate is 45-80: 2-7: 0.5-5: 0.5-4, and the water content of the high-temperature thermal oxidation residue is 3-5%.
In the green planting soil, the mass ratio of the high-temperature thermal oxidation residues to the crushed straws, the humic acid and the phosphate is preferably 55-70: 3-5: 1-3: 1-2.
The oil-containing solid waste is one or more of drilling rock debris, waste slurry with the water content of 50-70% after dehydration, ground oil sludge, oil storage large tank settled sludge with the water content of 50-70% after dehydration and sewage treatment scum with the water content of 50-70% after dehydration.
The content of suspended matters in the weak acid wastewater subjected to the dust removal by the high-temperature thermal oxidation tail gas is 30-80 mg/L, pH and is 3-5.
The particle size of the crushed straw is 1-3 mm.
The phosphate is one or more of calcium superphosphate, diammonium hydrogen phosphate and potassium dihydrogen phosphate.
The green planting soil has the pore space of 20-35%, and is suitable for planting saline-alkali tolerant plants after being placed for 3-6 months.
The invention has the following beneficial effects:
1. the invention regulates and controls the water content of the residue generated after the oil-containing solid waste is subjected to high-temperature thermal oxidation treatment by utilizing the weak acid wastewater generated by dedusting of high-temperature thermal oxidation tail gas, and the residue is compounded with plant straw crushed particles, humic acid and phosphate to be directly used as the soil for planting the saline-alkali tolerant plants, such as the planting of the saline-alkali tolerant plants such as Chinese iris, Indian butterfly, germaria, saline-alkali tolerant alfalfa and the like.
2. The invention treats the residues generated by high-temperature thermal oxidation treatment of oily solid wastes such as drilling mud, oil sludge falling to the ground, oily sludge and the like, not only realizes the soil treatment of the high-temperature thermal oxidation residues, but also realizes the comprehensive utilization of the tail gas and wastewater generated by the thermal oxidation treatment of the oily solid wastes.
Detailed Description
The present invention will be described in further detail with reference to examples, but the scope of the present invention is not limited to these examples.
Example 1
After high-temperature thermal oxidation treatment is carried out on drilling rock debris and dehydrated waste mud (mixture with water content of 50% in any proportion), 55kg of high-temperature thermal oxidation residue with water content of 3% is taken, filtered ash flushing water with suspended matter content of 80mg/L, pH of 5 is added until the water content of the residue is 20%, and then the mixture is uniformly mixed with 5kg of 2mm plant straw crushed particles, 2kg of humic acid and 2kg of calcium superphosphate to obtain the green planting soil. And (5) placing the green planting soil for 3 months, and planting the Chinese iris. The results are shown in table 1 in comparison with the local soil.
Table 1 comparison of planting results
| Comparison index | Porosity of soil% | The rate of emergence% | Height cm of seedling after 4 months |
| Soil of origin | 28 | 97 | 17.4 |
| This example is green soil for planting | 25 | 93 | 15.6 |
As can be seen from Table 1, the green planting soil of the present embodiment has better effects than indexes such as the emergence rate of soil in the original place, the height after 3 months and the like.
Example 2
And (2) dehydrating sludge generated by sewage treatment (with the water content of 60 percent), performing high-temperature thermal oxidation treatment, taking 65kg of high-temperature thermal oxidation residue with the water content of 5 percent, adding filtered ash flushing water with the suspended matter content of 50mg/L, pH of 3 until the water content of the residue is 25 percent, and uniformly mixing the residue with 4kg of 3mm plant straw crushed particles, 3kg of humic acid and 1kg of diammonium hydrogen phosphate to obtain the green planting soil. After the green planting soil was left for 4 months, asterias amurensis were planted, and the results of comparison with the local soil are shown in table 2.
Table 2 comparison of planting results
| Comparison index | Porosity of soil% | The rate of emergence% | Height cm of seedling after 5 months |
| Soil of origin | 32 | 98 | 20.4 |
| This example is green soil for planting | 28 | 95 | 18.6 |
Example 3
After the ground oil sludge is subjected to high-temperature thermal oxidation treatment, 60kg of high-temperature thermal oxidation residue with the water content of 4% is taken, filtered ash flushing water with the suspended matter content of 70mg/L, pH of 4 is added until the water content of the residue is 30%, and then 2kg of 1mm plant straw crushed particles, 4kg of humic acid and 1kg of potassium dihydrogen perphosphate are uniformly mixed to obtain green plant soil. And (4) standing the green planting soil for 6 months, and planting the saline-alkali tolerant alfalfa. The results are shown in table 3 in comparison with the local soil.
Table 3 comparison of planting results
| Comparison index | Porosity of soil% | The rate of emergence% | Height cm of seedling after 2 months |
| Soil of origin | 35 | 99 | 12.8 |
| This example is green soil for planting | 32 | 96 | 10.3 |
Example 4
After dehydrating the oily sludge settled in the large tank (with the water content of 70 percent), carrying out high-temperature thermal oxidation treatment, taking 70kg of high-temperature thermal oxidation residue with the water content of 4 percent, adding filtered ash flushing water with the suspended matter content of 30mg/L, pH of 5 to the residue with the water content of 25 percent, and then uniformly mixing the residue with 4kg of plant straw crushed particles with the particle size of 3mm, 3kg of humic acid and 1kg of calcium superphosphate to obtain the green plant soil. And (5) placing the green planting soil for 3 months, and planting the blue butterfly. The results are shown in table 4 in comparison with the local soil.
Table 4 comparison of planting results
| Comparison index | Porosity of soil% | The rate of emergence% | Height cm of seedling after 2 months |
| Soil of origin | 32 | 99 | 12.4 |
| This example is green soil for planting | 30 | 94 | 11.6 |
Claims (8)
1. The green planting soil based on the high-temperature thermal oxidation residues of the oily solid wastes is characterized in that: the green planting soil is prepared by adjusting high-temperature thermal oxidation residues containing oil solid wastes to the water content of 20% -30% by using weak acid wastewater subjected to dust removal by high-temperature thermal oxidation tail gas, and mixing the adjusted high-temperature thermal oxidation residues with crushed straws, humic acid and phosphate, wherein the mass ratio of the high-temperature thermal oxidation residues to the crushed straws, the humic acid and the phosphate is 45-80: 2-7: 0.5-5: 0.5-4, and the water content of the high-temperature thermal oxidation residues is 3% -5%.
2. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil as claimed in claim 1, wherein: the mass ratio of the high-temperature thermal oxidation residues to the crushed straws, the humic acid and the phosphate is 55-70: 3-5: 1-3: 1-2.
3. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil according to claim 1 or 2, characterized in that: the oil-containing solid waste is any one or more of drilling rock debris, waste slurry with the water content of 50-70% after dehydration, ground oil sludge, oil storage large tank settled sludge with the water content of 50-70% after dehydration and sewage treatment scum with the water content of 50-70% after dehydration.
4. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil according to claim 1 or 2, characterized in that: the content of suspended matters in the weak acid wastewater generated by dedusting the high-temperature thermal oxidation tail gas is 30-80 mg/L, pH and is 3-5.
5. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil according to claim 1 or 2, characterized in that: the particle size of the crushed straw is 1-3 mm.
6. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil according to claim 1 or 2, characterized in that: the phosphate is one or more of calcium superphosphate, diammonium hydrogen phosphate and potassium dihydrogen phosphate.
7. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil as claimed in claim 1, wherein: the pore space of the green planting soil is 20-35%.
8. The oily solid waste high-temperature thermal oxidation residue based green vegetation soil as claimed in claim 1, wherein: the green planting soil is suitable for planting saline-alkali tolerant plants after being placed for 3-6 months.
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| CN201910985449.0A CN110612885B (en) | 2019-10-17 | 2019-10-17 | Oily solid waste high-temperature thermal oxidation residue-based green plant soil |
| PCT/CN2020/107112 WO2021073207A1 (en) | 2019-10-17 | 2020-08-05 | Green plant soil based on high temperature thermal oxidized residue of oily solid waste |
| NL2026659A NL2026659B1 (en) | 2019-10-17 | 2020-10-12 | Plant growth medium based on residue from high temperature thermal oxidation of oily solid wase |
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| CN201910985449.0A CN110612885B (en) | 2019-10-17 | 2019-10-17 | Oily solid waste high-temperature thermal oxidation residue-based green plant soil |
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| WO2021073207A1 (en) * | 2019-10-17 | 2021-04-22 | 西安石油大学 | Green plant soil based on high temperature thermal oxidized residue of oily solid waste |
| CN115176668A (en) * | 2022-08-01 | 2022-10-14 | 中国农业科学院都市农业研究所 | Regenerated material of plant-derived waste, preparation method and application thereof |
| CN115443878A (en) * | 2022-09-22 | 2022-12-09 | 西安工业大学 | Vetiver grass planting matrix prepared from oily sludge pyrolysis residues and process system thereof |
| WO2023193419A1 (en) * | 2022-04-08 | 2023-10-12 | 天津大学 | Oil-containing sludge treatment method, soil remediation method |
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| CN114158304B (en) * | 2021-12-22 | 2023-06-09 | 山东省农业科学院 | Saline-alkali soil crop seeding micro-habitat regulation and control hardening method |
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Also Published As
| Publication number | Publication date |
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| WO2021073207A1 (en) | 2021-04-22 |
| NL2026659A (en) | 2021-06-07 |
| CN110612885B (en) | 2022-07-08 |
| NL2026659B1 (en) | 2022-02-21 |
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