CN119899674A - A soil remediation agent containing construction waste resource treatment products and its preparation method and application - Google Patents
A soil remediation agent containing construction waste resource treatment products and its preparation method and application Download PDFInfo
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- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
- C09K17/08—Aluminium compounds, e.g. aluminium hydroxide
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Abstract
本申请涉及土壤修复的技术领域，具体公开了一种包含建筑垃圾资源化处理物的土壤修复剂及其制备方法与应用。本申请公开的土壤修复剂，包括：建筑垃圾资源化处理物1.5‑2.5份、矿物质0.1‑0.3份、改性高岭土0.6‑1.0份；建筑垃圾资源化处理物的制备方法为：将建筑垃圾经磁选和风选净化，破碎，热解，在活化液中浸泡，过滤、干燥、研磨即得；改性高岭土的制备方法为：将高岭土、玉米淀粉、水混合均匀，加入复合菌，混合均匀，进行发酵、干燥、研磨，即得；复合菌由枯草芽孢杆菌、侧孢芽孢杆菌组成。利用本申请提供的土壤修复剂，能够有效降低土壤中有效态镉含量，从而提高植物种植的生产安全，且能够有效提高植物的产量。The present application relates to the technical field of soil remediation, and specifically discloses a soil remediation agent containing construction waste resource treatment products, and its preparation method and application. The soil remediation agent disclosed in the present application includes: 1.5-2.5 parts of construction waste resource treatment products, 0.1-0.3 parts of minerals, and 0.6-1.0 parts of modified kaolin; the preparation method of construction waste resource treatment products is: the construction waste is purified by magnetic separation and air separation, crushed, pyrolyzed, soaked in an activation solution, filtered, dried, and ground to obtain; the preparation method of modified kaolin is: kaolin, corn starch, and water are mixed evenly, composite bacteria are added, mixed evenly, fermented, dried, and ground to obtain; the composite bacteria are composed of Bacillus subtilis and Bacillus laterosporus. Using the soil remediation agent provided by the present application, the effective cadmium content in the soil can be effectively reduced, thereby improving the production safety of plant planting, and the yield of plants can be effectively increased.
Description
Technical Field
The application relates to the technical field of soil remediation, in particular to a soil remediation agent containing a construction waste recycling treatment object, and a preparation method and application thereof.
Background
At present, the problem of soil pollution in the global scope is serious, and chemical pollution and heavy metals such as cadmium, lead, mercury, arsenic and the like become main soil pollutants along with the acceleration of the urban process. The excessive application of chemical fertilizer causes soil acidification, further activates heavy metal elements in the soil and forms vicious circle. Therefore, there is an interest in the industry for soil remediation. Meanwhile, a large amount of garbage generated in the building industry cannot be effectively utilized, but instead, precious land resources are occupied, and secondary environmental pollution is caused.
The existing soil remediation technology and building material recycling technology operate independently, and an effective integration strategy is lacked. The traditional soil restoration agent has high preparation cost and complex process, and the construction waste is generally piled up or buried at will, thereby not only wasting resources, but also aggravating environmental pollution.
In the face of double pressure of heavy metal pollution of soil and treatment of construction waste, how to develop a novel repairing agent with low cost and easy operation and a preparation method thereof become the problems to be solved urgently.
Disclosure of Invention
In order to solve the technical problems, the application provides a soil restoration agent containing a construction waste recycling treatment object, and a preparation method and application thereof.
The application provides a soil restoration agent containing a construction waste recycling treatment object, which specifically comprises the following components, by weight, 1.5-2.5 parts of the construction waste recycling treatment object, 0.1-0.3 part of mineral substances and 0.6-1.0 part of modified kaolin;
The preparation method of the construction waste recycling treatment product comprises the steps of carrying out magnetic separation and wind separation purification on construction waste, crushing, then carrying out pyrolysis at 400-600 ℃ for 2-4 hours, soaking in an activating solution for 24-36 hours, filtering, drying and grinding, wherein the activating solution comprises the following components with the concentration of 10-20g/L calcium chloride, 0.5-2g/L magnesium sulfate, 5-10g/L citric acid and water as a solvent;
The preparation method of the modified kaolin comprises the steps of uniformly mixing 900-1100 parts by weight of kaolin, 8-16 parts by weight of corn starch and 500 parts by weight of water, adding 1-3 parts by weight of composite bacteria, uniformly mixing, fermenting, drying and grinding, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus in a weight ratio of 10:0.2-0.8;
the mineral is one or more selected from potassium mineral powder, rock phosphate powder and dolomite powder.
The construction waste according to the present application is waste from a main building body, such as concrete, stone, cement, etc., preferably, construction waste mainly comprising silicate. These construction waste may contain other components such as soil and dust often mixed in the waste in addition to the concrete, cobble, cement, etc., and the construction waste collected from the construction site in general may be directly used as the raw material of the present application.
The construction waste can be converted into useful materials such as recycled aggregate after being subjected to pyrolysis and recycling treatment of an activating solution, the soil structure can be effectively improved, the permeability of the soil is enhanced, the growth and development of plant roots are facilitated, meanwhile, nutrient elements such as phosphorus, calcium and the like required by plants can be released to promote the growth of the plants, the water retention performance of the soil can be improved by the modified kaolin, the growth of the plants is facilitated, and in addition, a proper living environment can be provided for microorganisms by adding the construction waste recycling treatment product, so that the activity and the propagation of the microorganisms are promoted.
The kaolin and the corn starch are fermented to be used as soil restoration agents, so that the soil texture can be improved, the kaolin has good adsorptivity and ion exchange capacity, the characteristics are further enhanced after fermentation, and the kaolin can be combined or exchanged with harmful substances in the soil, so that the content of toxic metal ions and pollutants in the soil is reduced, and the soil texture is improved. Corn starch is decomposed into small molecular organic matters such as saccharides and amino acids in the fermentation process, the small molecular organic matters are easy to be absorbed and utilized by plants, and meanwhile, a large number of microorganisms and enzymes are generated in the fermentation process, so that the organic matters in the soil can be further decomposed, more nutrient elements are released, and the fertility of the soil is enhanced. In addition, the method promotes the activity of soil microorganisms, namely the fermented kaolin and corn starch provide rich carbon sources and energy sources for microorganisms in the soil, which are beneficial to the growth and propagation of the microorganisms, the microorganisms play important ecological functions in the soil, such as decomposing organic substances, converting nutrient elements, inhibiting pathogenic bacteria and the like, so that the ecological balance of the soil is maintained, and the soil water retention capacity is improved, namely the fermented product can increase the organic matter content in the soil, improve the soil structure and make the soil more loose and porous. The structure is favorable for the maintenance and infiltration of soil moisture and improves the water retention capacity of the soil.
According to the application, the soil restoration agent is prepared by using the mineral substances with specific dosage, the construction waste recycling treatment substance and the modified kaolin as the effective components, and can be used in the rice field polluted by heavy metal cadmium, so that the effective cadmium content in the soil and the cadmium content in the brown rice can be effectively reduced, the production safety of plant planting is improved, and the yield of plants can be effectively improved.
The application aims to convert construction waste into a soil restoration agent by efficiently utilizing the construction waste, and the provided soil restoration agent containing the construction waste recycling treatment object can be used for treating heavy metal contaminated soil, and the application fields include, but are not limited to, soil restoration projects of agricultural lands, industrial waste lands, mining area surrounding lands and the like.
Preferably, the soil restoration agent containing the construction waste recycling treatment comprises the following components, by weight, 1.8-2.2 parts of the construction waste recycling treatment, 0.15-0.25 part of minerals and 0.7-0.9 part of modified kaolin.
Preferably, the preparation method of the construction waste recycling treatment substance comprises the steps of purifying construction waste through magnetic separation and wind separation, crushing, sieving, then pyrolyzing at 450-550 ℃ for 2.5-3.5 hours, soaking in an activating solution for 28-32 hours, filtering, drying and grinding.
Preferably, the activating solution consists of the following components with the concentration of 12-18g/L calcium chloride, 1-1.5g/L magnesium sulfate and 6-9g/L citric acid, wherein the solvent is water.
Preferably, the preparation method of the modified kaolin comprises the steps of uniformly mixing 950-1050 parts by weight of kaolin, 10-12 parts by weight of corn starch and 500 parts by weight of water, adding 1.5-2.5 parts by weight of composite bacteria, uniformly mixing, fermenting, drying and grinding.
Preferably, the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus in a weight ratio of 10:0.4-0.6.
Preferably, the fermentation process parameters are 45-60 ℃, 20-80% of humidity, 5-10 of pH and 96-144h of fermentation time.
Preferably, the mineral is formed by mixing potassium mineral powder and dolomite powder in a weight ratio of 9:0.5-1.5.
In a second aspect, the application provides a preparation method of the soil restoration agent containing the construction waste recycling treatment substance, which specifically comprises the following steps in sequence:
respectively weighing the raw material components with corresponding weight, uniformly mixing, grinding and sieving to obtain the product.
In a third aspect, the application provides the use of the soil remediation agent comprising a construction waste recycling treatment in remediation of soil.
In summary, the technical scheme of the application has the following effects:
Compared with the traditional soil remediation method, the method has the advantages that the construction waste recycling treatment substance is used as the soil remediation agent, the environment is protected, the cost is relatively low, the reutilization of waste is realized, the requirement for new resources is reduced, and meanwhile, the environmental pollution is reduced.
According to the application, the soil restoration agent is prepared by recycling the construction waste and taking the mineral substances and the modified kaolin as the effective components, so that on one hand, the environmental pollution and the waste treatment cost can be effectively reduced, and on the other hand, the preparation cost of the prepared soil restoration agent is obviously reduced, and the cadmium content in the soil and the cadmium content in brown rice can be effectively reduced, so that the production safety of rice planting is improved, and meanwhile, the yield of rice can be effectively improved.
Detailed Description
The present application is described in further detail below in conjunction with examples, comparative examples and performance test experiments, which should not be construed as limiting the scope of the application as claimed.
Ground phosphate rock (cat No. 11-08), potassium ore powder (cat No. 10-56) were purchased from Shandong Jinyu chemical Co., ltd., dolomite powder (cat No. St 3544) was purchased from Lingshou c.c. cistena mineral processing plant, kaolin (cat No. G01) was purchased from Lingshou c.c. rongban mineral processing plant, corn starch (CAS 23-66-9, density 4G/cm 3) was purchased from Jinan Hongka chemical Co., ltd., bacillus subtilis (effective viable count 200 hundred million CFU/G), bacillus amyloliquefaciens (cat No. 009, effective viable count 200 hundred million CFU/G), bacillus laterosporus (effective viable count 100 hundred million CFU/G) were purchased from Mifang, miao beneficial biotechnology Co., ltd.).
Examples
Examples 1 to 5
Examples 1-5 each provide a soil remediation agent.
The difference between the above examples is that the amounts of the components in the soil restoration agent are different, as shown in detail below.
In example 1, the construction waste was treated as a resource by 2kg, the mineral content was 0.2kg, and the modified kaolin was 0.8kg.
In example 2, 1.8kg of the construction waste resource treatment product, 0.25kg of mineral and 0.7kg of modified kaolin.
In example 3, the construction waste was recycled by 2.2kg, mineral content was 0.15kg, and modified kaolin was 0.9kg.
In example 4, 1.5kg of the construction waste resource treatment product, 0.3kg of mineral and 0.6kg of modified kaolin.
In example 5, the construction waste was treated as a resource in an amount of 2.5kg, minerals in an amount of 0.1kg, and modified kaolin in an amount of 1.0kg.
The preparation method of the soil restoration agent in the embodiment comprises the following steps:
The preparation method of the construction waste recycling treatment product comprises the steps of removing metal impurities from construction waste through magnetic separation, separating light waste through winnowing, purifying, crushing to a granularity smaller than 20 meshes, then pyrolyzing at 500 ℃ for 3 hours, soaking in an activating solution for 30 hours, filtering, drying in a 120 ℃ oven, and grinding to a granularity smaller than 80 meshes, wherein the activating solution consists of 15g/L calcium chloride, 1.2g/L magnesium sulfate, 7.5g/L citric acid and water as a solvent.
The preparation method of the modified kaolin comprises the steps of uniformly mixing 1000g of kaolin, 11g of corn starch and 50g of water, adding 2g of composite bacteria, uniformly mixing, fermenting (the fermentation temperature is 52 ℃, the humidity is 50-70%, the pH is 7.5-8.5, the fermentation time is 120 h), drying in a 120 ℃ oven, and grinding to the granularity of less than 80 meshes, wherein the composite bacteria are prepared by mixing bacillus subtilis and bacillus laterosporus according to the weight ratio of 10:0.5.
The soil restoration agent is prepared by respectively weighing the construction waste resource treatment substance, mineral substances (the mineral substances are formed by mixing potassium mineral powder and dolomite powder in a weight ratio of 9:1) and modified kaolin, uniformly mixing, grinding to a granularity smaller than 80 meshes, and sieving.
Examples 6 to 9
Examples 6-9 each provide a soil remediation agent.
The above-mentioned examples are different from example 1 in that the method for producing the construction waste recycling treatment product is different from that of example 1, and is specifically shown below.
In the preparation method of the construction waste recycling treatment product in the embodiment 6, the activating solution comprises the following components in concentration of 10g/L calcium chloride, 2g/L magnesium sulfate and 10g/L citric acid, and the solvent is water.
In the preparation method of the construction waste recycling treatment product in the embodiment 7, the activating solution comprises the following components in concentration of 20g/L calcium chloride, 0.5g/L magnesium sulfate and 5g/L citric acid, and the solvent is water.
In the preparation method of the construction waste recycling treatment product in the embodiment 8, the activating solution consists of the following components with the concentration of 12g/L calcium chloride, 1.5g/L magnesium sulfate and 6g/L citric acid, and the solvent is water.
In the preparation method of the construction waste recycling treatment product in the embodiment 9, the activating solution consists of the following components with the concentration of 18g/L calcium chloride, 1g/L magnesium sulfate and 9g/L citric acid, and the solvent is water.
Other process parameters in the above examples are the same as in example 1.
Examples 10 to 13
Examples 10-13 each provide a soil remediation agent.
The above embodiment is different from embodiment 1 in the kind of minerals, as shown in detail below.
In the embodiment 10, the mineral substance is formed by mixing phosphate rock powder and dolomite powder in a weight ratio of 9:1.
In the embodiment 11, the mineral substance is formed by mixing potassium mineral powder and dolomite powder in a weight ratio of 1:9.
In the embodiment 12, the mineral substance is formed by mixing potassium mineral powder and dolomite powder in a weight ratio of 9:0.5.
In the embodiment 13, the mineral substance is formed by mixing potassium mineral powder and dolomite powder in a weight ratio of 9:1.5.
Other process parameters in the above examples are the same as in example 1.
Examples 14 to 18
Examples 14-18 each provide a soil remediation agent.
The above examples differ from example 1 in the preparation of the modified kaolin, as shown in detail below.
In the embodiment 14, the preparation method of the modified kaolin comprises the steps of uniformly mixing 800g of kaolin, 25g of corn starch and 50g of water, adding 4g of composite bacteria, uniformly mixing, fermenting (the fermentation temperature is 52 ℃, the humidity is 50-70%, the pH is 7.5-8.5, the fermentation time is 120 h), drying in a 120 ℃ oven, and grinding to the granularity of less than 80 meshes, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus according to the weight ratio of 10:0.5.
In the embodiment 15, the preparation method of the modified kaolin comprises the steps of uniformly mixing 1200g of kaolin, 5g of corn starch and 50g of water, adding 0.5g of composite bacteria, uniformly mixing, fermenting (the fermentation temperature is 52 ℃, the humidity is 50-70%, the pH is 7.5-8.5, the fermentation time is 120 h), drying in a 120 ℃ oven, and grinding to the granularity of less than 80 meshes, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus according to the weight ratio of 10:0.5.
In the embodiment 16, the preparation method of the modified kaolin comprises the steps of uniformly mixing 1000g of kaolin, 11g of corn starch and 50g of water, adding 2g of composite bacteria, uniformly mixing, fermenting (the fermentation temperature is 52 ℃, the humidity is 50-70%, the pH is 7.5-8.5, the fermentation time is 120 h), drying in a 120 ℃ oven, and grinding to the granularity of less than 80 meshes, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus according to the weight ratio of 10:7.
In the embodiment 17, the preparation method of the modified kaolin comprises the steps of uniformly mixing 900g of kaolin, 16g of corn starch and 50g of water, adding 3g of composite bacteria, uniformly mixing, fermenting (the fermentation temperature is 52 ℃, the humidity is 50-70%, the pH is 7.5-8.5, the fermentation time is 120 h), drying in a 120 ℃ oven, and grinding to the granularity of less than 80 meshes, wherein the composite bacteria are prepared by mixing bacillus subtilis and bacillus laterosporus according to the weight ratio of 10:0.2.
In the embodiment 18, the preparation method of the modified kaolin comprises the steps of uniformly mixing 1100g of kaolin, 8g of corn starch and 50g of water, adding 1g of composite bacteria, uniformly mixing, fermenting (the fermentation temperature is 52 ℃, the humidity is 50-70%, the pH is 7.5-8.5, the fermentation time is 120 h), drying in a 120 ℃ oven, and grinding to the granularity of less than 80 meshes, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus according to the weight ratio of 10:0.8.
Other process parameters in the above examples are the same as in example 1.
Comparative example
Comparative examples 1 to 2
Comparative examples 1-2 each provide a soil remediation agent.
The above comparative example is different from example 1 in the amounts of the respective components in the soil restoration agent, as shown in detail below.
In comparative example 1, 3kg of the construction waste recycling treatment product, 0.05kg of mineral matter and 1.2kg of modified kaolin.
In comparative example 2, 1.2kg of the construction waste recycling treatment product, 0.3kg of mineral and 0.4kg of modified kaolin.
Other process parameters in the above comparative example were the same as in example 1.
Comparative examples 3 to 5
Comparative examples 3 to 5 each provide a soil restoration agent.
The above comparative example is different from example 1 in the following.
In comparative example 3, a method for producing a treatment product for recycling construction waste, 7.5g/L aqueous citric acid solution was used as an activating solution.
In comparative example 4, an aqueous solution containing 1.2g/L of calcium chloride, 15g/L of magnesium sulfate and 7.5g/L of citric acid was used as an activating solution.
In the preparation method of the modified kaolin in comparative example 5, the composite bacteria are formed by mixing bacillus subtilis and bacillus licheniformis in a weight ratio of 10:0.8.
Performance test
The method comprises the steps of adopting a field plot test, arranging protective rows around a test plot on a rice field polluted by heavy metal cadmium (detecting cadmium content before the test), uniformly mixing and scattering the soil restoration agent prepared in the example and the comparative example on the surface of the soil polluted by the heavy metal cadmium, carrying out soil turning to ensure that the soil restoration agent is fully and uniformly mixed with the soil, and balancing for 7 days to finish the soil heavy metal restoration process.
The rice variety Guangliangyouxiang 66 (approval number: national review rice 2012028) is adopted for planting, and in the rice planting process, transplanting rice, water management, fertilization, pest control and harvesting are carried out according to a local conventional method.
And fertilizing 30kg of the blended fertilizer N-P 2O5-K2 O (26-10-14) in each mu of paddy field one week before transplanting the paddy rice (the blended fertilizer is purchased from Wuhanchuhong agriculture development Co., ltd.). And (4) fertilizing one week after the rice transplanting, namely dressing 6kg of urea into each mu of rice field at the tillering stage of the rice. And (3) fertilizing in the heading period of the rice, namely dressing 4kg of urea and 6kg of potassium chloride in each mu of rice field.
(1) The performance detection method for rice yield comprises the steps of harvesting rice singly, weighing the rice yield, and weighing the rice yield by taking a test area without using a soil restoration agent as a control group.
The results are shown in Table 1.
(2) The performance detection method for the cadmium content in the soil effective state comprises the steps of respectively taking soil samples before test and after harvesting rice, and performing indoor air-drying sample preparation. According to the detection method of GB/T23739-2009, the cadmium reduction rate of the soil effective state cadmium is calculated by measuring the soil effective state cadmium.
Wherein, the cadmium reduction rate of the soil effective state cadmium is = (the soil effective state cadmium content after test-the soil effective state cadmium content before test)/the soil effective state cadmium content before test is multiplied by 100 percent.
(3) The performance detection method for brown rice cadmium content comprises air drying harvested rice, grinding into rice, and grinding into brown rice flour. According to the detection method of GB/T5009.15-2014, the cadmium content of brown rice is measured, and the cadmium reduction rate of the brown rice cadmium is calculated by taking a test area without using a soil remediation agent as a control group.
The results are shown in Table 1.
Table 1 results of testing application properties of soil remediation agents in examples and comparative examples
In combination with table 1, according to the detection results of the comparative examples and comparative examples, the soil restoration agent is prepared by using the construction waste recycling treatment substance, the mineral substance and the modified kaolin as the effective components, and is used in the rice field polluted by heavy metal cadmium, so that the effective cadmium content in the soil and the cadmium content in brown rice can be effectively reduced, the production safety of rice planting is improved, and the yield of rice can be effectively improved.
While the invention has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (10)
1. The soil restoration agent containing the construction waste recycling treatment substance is characterized by comprising the following components, by weight, 1.5-2.5 parts of the construction waste recycling treatment substance, 0.1-0.3 part of mineral substances and 0.6-1.0 part of modified kaolin;
The preparation method of the construction waste recycling treatment product comprises the steps of carrying out magnetic separation and wind separation purification on construction waste, crushing, then carrying out pyrolysis at 400-600 ℃ for 2-4 hours, soaking in an activating solution for 24-36 hours, filtering, drying and grinding, wherein the activating solution comprises the following components with the concentration of 10-20g/L calcium chloride, 0.5-2g/L magnesium sulfate, 5-10g/L citric acid and water as a solvent;
The preparation method of the modified kaolin comprises the steps of uniformly mixing 900-1100 parts by weight of kaolin, 8-16 parts by weight of corn starch and 500 parts by weight of water, adding 1-3 parts by weight of composite bacteria, uniformly mixing, fermenting, drying and grinding, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus in a weight ratio of 10:0.2-0.8;
the mineral is one or more selected from potassium mineral powder, rock phosphate powder and dolomite powder.
2. The soil restoration agent containing the construction waste recycling treatment object according to claim 1, which is characterized by comprising the following components, by weight, 1.8-2.2 parts of the construction waste recycling treatment object, 0.15-0.25 part of mineral substances and 0.7-0.9 part of modified kaolin.
3. The soil restoration agent containing the construction waste recycling treatment object according to claim 2, wherein the construction waste recycling treatment object is prepared by the steps of purifying construction waste through magnetic separation and wind separation, crushing, sieving, then pyrolyzing at 450-550 ℃ for 2.5-3.5 hours, soaking in an activating solution for 28-32 hours, filtering, drying and grinding.
4. The soil restoration agent containing the construction waste recycling treatment object according to claim 1, wherein the activating solution is composed of the following concentration components of 12-18g/L calcium chloride, 1-1.5g/L magnesium sulfate, 6-9g/L citric acid, and the solvent is water.
5. The soil restoration agent containing the construction waste recycling treatment object according to claim 1, wherein the preparation method of the modified kaolin is characterized in that 950-1050 parts by weight of kaolin, 10-12 parts by weight of corn starch and 500 parts by weight of water are uniformly mixed, 1.5-2.5 parts by weight of composite bacteria are added, the mixture is uniformly mixed, fermentation is carried out, and drying and grinding are carried out, so that the soil restoration agent is obtained.
6. The soil restoration agent containing the construction waste recycling treatment substance according to claim 1, wherein the composite bacteria are formed by mixing bacillus subtilis and bacillus laterosporus in a weight ratio of 10:0.4-0.6.
7. The soil restoration agent containing the construction waste recycling treatment object according to claim 1, wherein the fermentation process parameter conditions are that the fermentation temperature is 45-60 ℃, the humidity is 20-80%, the pH is 5-10, and the fermentation time is 96-144h.
8. The soil restoration agent containing the construction waste recycling treatment object according to claim 1, wherein the mineral substance is composed of potassium mineral powder and dolomite powder in a weight ratio of 9:0.5-1.5.
9. The method for preparing a soil restoration agent containing a construction waste recycling treatment product according to any one of claims 1 to 8, comprising the steps of, in order:
respectively weighing the raw material components with corresponding weight, uniformly mixing, grinding and sieving to obtain the product.
10. Use of a soil remediation agent comprising a construction waste recycling treatment of any one of claims 1 to 8 in the remediation of soil.
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| CN111151567A (en) * | 2019-12-31 | 2020-05-15 | 大连原野景观园林工程有限公司 | A method for ecologically utilizing garden waste to improve soil aggregate structure |
| CN115634907A (en) * | 2022-09-26 | 2023-01-24 | 浙江中厚德尚环保科技有限公司 | A method of co-processing construction waste and domestic waste to make garden planting soil |
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| CN104817380A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | A kind of bamboo biomass charcoal-based soil conditioner and preparation method thereof |
| CN106623379A (en) * | 2016-11-04 | 2017-05-10 | 上海立昌环境工程股份有限公司 | Resource recycling method of construction waste and repairing agent for heavy-metal-polluted soil |
| CN108723081A (en) * | 2018-06-13 | 2018-11-02 | 煜环环境科技有限公司 | A kind of innoxious restorative procedure of organic polluted soil |
| CN111151567A (en) * | 2019-12-31 | 2020-05-15 | 大连原野景观园林工程有限公司 | A method for ecologically utilizing garden waste to improve soil aggregate structure |
| CN115634907A (en) * | 2022-09-26 | 2023-01-24 | 浙江中厚德尚环保科技有限公司 | A method of co-processing construction waste and domestic waste to make garden planting soil |
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