43results about How to "Reduced ability to migrate" patented technology

The invention discloses a method for degrading dioxin in fly ash and stabilizing heavy metals, which comprises the following steps: carrying out water washing treatment on the fly ash, and carrying out solid-liquid separation to obtain water washing slag; mixing the washed slag with water, adding zero-valent iron and sulfite, carrying out hydrothermal treatment, and carrying out solid-liquid separation to obtain hydrothermal slag and hydrothermal liquid; according to the method for degradation of dioxin in fly ash and stabilization of heavy metal in cooperation with degradation of dioxin in fly ash, under the combined action of zero-valent iron, chlorite and a hydrothermal environment, efficient degradation of dioxin in fly ash can be rapidly achieved under the lower reaction condition, stabilization of heavy metal in fly ash can be synchronously achieved, and the method is suitable for industrial production. The method has the advantages of being low in cost, mild in reaction condition, high in treatment efficiency, good in treatment effect, environmentally friendly and the like, can effectively solve the problems existing in the prior art, provides powerful support for harmless treatment and resource utilization of the waste incineration fly ash, and has wide engineering application prospects.

The invention relates to the technical field of soil improvement materials, and provides a soil heavy metal pollution repairing agent based on biomass power plant ash, which mainly comprises surface modified porous biomass power plant ash, polymer modified bentonite, a soil modified repairing agent and clay minerals. The surface modified porous biomass power plant ash is obtained through gamma-aminopropyltriethoxysilane and humic acid modified porous biomass power plant ash clustering, and the polymer modified bentonite is bentonite modified by acrylic acid and sodium carboxymethyl cellulose through a polymerization reaction. The preparation method comprises the steps of pretreatment of biomass power plant ash, liquid nitrogen freezing, freeze drying, porous structure formation, surface modification and the like. The components are mixed, granulated and molded, so that the obtained remediation agent can effectively reduce the bio-availability of heavy metals in soil, reduce the heavy metal absorption of crops and improve the soil environment quality.

The invention discloses a preparation method of red-mud-based artificial soil, which comprises the following steps: A, mixing and stirring red mud, calcium-based solid waste, industrial ferric salt, manganese slag and water according to a mass ratio, and fully stirring to fully react to obtain dealkalized red mud; wherein the mass ratio of the red mud to the calcium-based solid waste to the industrial ferric salt to the manganese slag to the water is 100: (1-5): (0.1-1): (0.1-1): (10-50); b, mixing the dealkalized red mud with the fly ash, the biomass and the stable organic solid waste, and fully and uniformly stirring to obtain a mixture; and C, naturally stacking the mixture and fertilizing. The method can accelerate the red mud harmlessness and soil treatment process, and reduces the environmental pollution risk of the storage yard.

The application discloses a method for preparing a carbon fixation material from magnesium slag, and the carbon fixation material, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: mixing magnesium slag and calcareous raw materials to obtain a compound material, wherein the molar ratio of calcium to silicon in the compound material is (2.3-2.7):1; forming the compound material into a green body; preheating the green body at 200-600 DEG C, calcining the green body by increasing the temperature to 1150-1450 DEG C, and cooling the green body by decreasing the temperature to 400-600 DEG C, thereby obtaining the carbon fixation material. The method can reduce the content of beta-C2S in the magnesium slag, increase the content of gamma-C2S, effectively stabilize heavy metal ions, and reduce the generation of volatile gases such as ammonia, thereby significantly improving the long-term stability and environmental safety of the material on the basis of ensuring the carbonation reaction activity.

The invention discloses application of secondary bile acid in preparation of an anti-tumor drug and the anti-tumor drug. The secondary bile acid comprises taurocholic acid, glycocholic acid, glycodeoxycholic acid and taurodeoxycholic acid, and the taurocholic acid and the glycocholic acid can inhibit the growth of tumor cells, reduce the migration ability of the tumor cells and promote the apoptosis of the tumor cells; glyminodeoxycholic acid and taurodeoxycholic acid can effectively promote infiltration of M1 macrophages in a tumor tissue immune microenvironment, so that tumor cells are identified and cleared by mediation of the M1 macrophages, and tumors are inhibited; besides, the glycodeoxycholic acid / taurodeoxycholic acid combined immune checkpoint inhibitor can significantly inhibit the growth of liver cancer tumors, has the effects of promoting anti-tumor immunity and further cooperatively inhibiting tumor growth, can be applied to tumor treatment, and has considerable clinical significance and economic value.

The invention discloses an isooctyl / isononyl / isodecyl pyromellitic acid plasticizer composition as well as a preparation method and application thereof, and the isooctyl / isononyl / isodecyl pyromellitic acid plasticizer composition is prepared from pyromellitic acid or pyromellitic anhydride, isooctyl alcohol (A), isononyl alcohol (B) and isodecyl alcohol (C) through esterification reaction, the molar ratio of the pyromellitic acid or the pyromellitic anhydride to the total alcohol is 1: (4-5); the molar ratio of the isooctyl alcohol (A) to the isononyl alcohol (B) to the isodecyl alcohol (C) is (0-5): (0-5): (0-5). The raw materials used in the synthesis process of the isooctyl / isononyl / isodecyl pyromellitic acid plasticizer composition are safe, the cost is low, the synthesis process is simple, and the isooctyl / isononyl / isodecyl pyromellitic acid plasticizer composition is suitable for industrial processing and production and has excellent heat resistance and low precipitation performance.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

The present invention provides a method for fixing uranium and its application in a solid fuel cell, wherein UO2(NO3)2·6H2O, Ce(NO3)3·6H2O, Y(NO3)3·6H2O and a barium salt soluble in nitric acid and easily decomposed at high temperature are dissolved in deionized water, and a novel BaCe is prepared under the action of a complexing agent. 0.8‑x U x Y 0.2 O3 (BCUY) material, which can be used in solid fuel cells as a new proton conductor electrolyte material. The raw materials of uranyl nitrate used are prepared from discarded uranium salts, uranium minerals or secondary uranium minerals, which realizes the recycling of discarded uranium resources and provides a new way for the practical application of uranium in solid fuel cells. The present invention can not only immobilize uranium well, reduce the migration of uranium, and reduce its harm to the environment; but also the new BCUY material has good chemical stability and high application value, and can be used in solid fuel cells to extend the service life of the battery.

The invention belongs to the technical field of medicines, and particularly relates to application of NOTCH3 serving as a target spot to preparation of a pharmaceutical composition for treating bladder cancer. The invention relates to a targeted inhibitor of NOTCH3, which is shRNA (short hairpin ribonucleic acid). Experimental results show that NOTCH3 is a key oncogene of bladder cancer and can be used as a therapeutic target of bladder cancer, and an inhibitor of NOTCH3 can be used for preparing a pharmaceutical composition for treating bladder cancer.

The application discloses a composite flocculant based on aluminum chloride and a preparation method thereof, and belongs to the technical field of flocculant preparation, and is used for solving the technical problem that the stability and flocculation performance of the flocculant need to be further improved in the prior art; the branched polymer containing polycarboxyl groups is prepared by the reaction of tris(2-aminoethyl)amine and pyromellitic dianhydride, and the taurine groups are introduced to obtain the sulfobranched polycarboxyl polymer; the titanium phosphorus silicon aminopropyl composite is synthesized by using the sol-gel method, and the inorganic-organic network combination is realized; the polyimidazolium-hydroxy ether is obtained by the reaction of imidazole, epichlorohydrin and bisphenol A diglycidyl ether; the composite flocculant is formed by the reaction of the three under the acidic condition, the composite flocculant combines the polycarboxyl groups, the sulfonic acid groups, the imidazolium groups and the inorganic-organic skeleton, has high charge density, good adsorption and bridging performance, can rapidly form stable flocs, and can effectively remove the suspended particles and organic pollutants in water.

The present invention relates to biomedicine, and in particular to LncRNA WARS2-IT1 inhibitors and applications thereof. After knocking down or silencing LncRNA WARS2-IT1 using the LncRNA WARS2-IT1 inhibitor, the proliferation ability, migration ability, and invasion ability of glioma cells are significantly reduced. The LncRNA WARS2-IT1 inhibitor can be used in the preparation of products such as diagnosis and treatment of gliomas and improving the sensitivity of targeted drugs, and has good application prospects.

The application discloses a SnTe-based thermoelectric material and a preparation method thereof, and belongs to the technical field of thermoelectricity. The application adopts high-purity metal elements as raw materials, and the raw materials are mixed according to a stoichiometric ratio, and then a cast ingot is obtained through a melting reaction after vacuum packaging. Subsequently, the cast ingot is subjected to high-temperature annealing treatment. After the cast ingot subjected to the high-temperature annealing treatment is ground into powder, a dense block-shaped SnTe-based thermoelectric material is formed through discharge plasma sintering. The chemical formula of the SnTe-based thermoelectric material is Sn 2.9‑X W X Te 2.9 -(In2Te3) 0.03 -(Cu2Te) 0.18 The application significantly improves the thermoelectric figure of merit of the SnTe-based thermoelectric material and improves the thermoelectric performance of the SnTe-based thermoelectric material by doping tungsten elements in the SnTe matrix and compounding the two metal compounds of In2Te3 and Cu2Te.

This invention discloses the application of small molecule compounds in the preparation of drugs for treating breast cancer. MEN 10207 was screened using molecular docking analysis, and its ability to significantly inhibit the proliferation, migration, and invasion of breast cancer cells was verified in MDA-MB-231 cells, indicating its potential as an inhibitor of breast cancer brain metastasis. Further studies found that MEN 10207 did not exhibit significant toxicity in zebrafish and showed good tolerability in mouse intravenous injection experiments. Treatment of zebrafish transplanted with breast cancer cells with MEN 10207 significantly reduced the survival and migration ability of breast cancer cells in zebrafish; treatment of a mouse model of breast cancer brain metastasis with MEN 10207 also significantly reduced the colonization of breast cancer cells in the mouse brain, confirming its in vivo activity against breast cancer brain metastasis.

The present invention discloses a method for repairing soil contaminated by electrolytic manganese slag by inoculating white rot fungi, comprising the following steps: mixing biomass and soil contaminated by electrolytic manganese slag to obtain compost raw materials; inoculating white rot fungi in the compost raw materials to obtain a pile; composting and fermenting the pile to obtain compost mature material, thereby completing the repair of soil contaminated by electrolytic manganese slag. The present invention effectively reduces the leaching amount of heavy metal manganese by inoculating white rot fungi, effectively reduces the mobility and bioavailability of heavy metal manganese, effectively changes the structure of microbial communities, increases the number and diversity of microorganisms, improves the seed germination index, and realizes the repair of soil in contaminated sites. It has the advantages of quickly starting composting repair, effectively reducing the leaching amount of heavy metal manganese, reducing the mobility and bioavailability of heavy metal manganese, increasing microbial diversity and community abundance, and improving the seed germination index.

The invention discloses a method for treating soil contaminated by heavy metal ions and arsenic, comprising the following steps: adjusting the soil pH, and dissolving heavy metal ion arsenate into heavy metal cations and arsenate anions after the alkalinity increases; oxidizing the dissolved arsenate anions with an oxidant to oxidize As III with high toxicity in the contaminated soil into As V with low toxicity and adsorbed by iron salts; using flocculent amorphous Fe(OH)3 gel generated in situ by water-soluble iron salts in alkaline soil solution to adsorb the dissolved and oxidized arsenic complex; using phosphate calcium salts to precipitate heavy metal ions with enhanced activity after dissolution to convert them into stable heavy metal ion complexes; the arsenic complexes adsorbed, dissolved and oxidized by the Fe(OH)3 gel and the stable heavy metal ion complexes are cured and buried in the soil to complete soil treatment.

The application discloses application of long-chain non-coding RNA in diagnosis and / or treatment of breast cancer and belongs to the technical field of biological medicine. The application first finds that the expression level of a new long-chain non-coding RNA-LncRNA-RJ1 in tumor tissues of triple-negative breast cancer patients, triple-negative breast cancer drug-resistant patients and triple-negative breast cancer patients with poor prognosis is obviously higher than that in normal tissues, and with the increase of the expression level, the prognosis of breast cancer patients and breast cancer drug-resistant patients is also poorer; the expression level of LncRNA-RJ1 is related to the drug resistance of triple-negative breast cancer patients, the breast cancer cell migration ability is also significantly reduced when the expression level of LncRNA-RJ1 is reduced, therefore, LncRNA-RJ1 can be used as a new biomarker for preparing products for diagnosing and / or treating breast cancer, and a new way is opened for triple-negative breast cancer chemotherapy drug resistance and drug efficacy evaluation.

The invention discloses an olefin polymer film containing CBC and a preparation method thereof, and relates to the technical field of olefin polymer films. The film is made of the following components by mass percentage: 10-45wt% of a cyclic block copolymer with a glass transition temperature of 115-128°C, 55-85wt% of a partially crystallized propylene homopolymer with a crystal melting temperature of 150-170°C, and 0.1-5wt% of an additive. The invention uses domestic CBC raw materials to replace imported COC, thereby effectively reducing production costs, reducing dependence on imported raw materials, and significantly enhancing the autonomy and competitiveness of the domestic electronic component industry. The prepared film material exhibits excellent thermal stability, greatly improving the dimensional stability and reliability of capacitors in high temperature environments. At the same time, the film material has excellent electrical properties, meeting the stringent requirements of capacitors for insulating media.

The invention relates to the technical field of urban residual sludge treatment, and particularly discloses a sludge aerobic composting method based on a carbon-loaded functional fungicide, which comprises the following steps: A1, mixing sludge powder and straw powder, fully soaking the mixture with a pore-forming agent solution, drying, and heating and calcining at high temperature to obtain biomass charcoal; a2, livestock manure, biomass charcoal and straw powder are mixed, aspergillus niger liquid is added into the mixture for fermentation, then compound bacteria liquid is added, fermentation continues, after fermentation is finished, strain protection liquid is added, drying is conducted, and a charcoal-loaded functional bacterial agent is obtained; and A3, uniformly mixing the sludge, the straw powder and the carbon-loaded functional fungicide, and carrying out aerobic composting on the sludge. According to the method, the aerobic composting temperature of the sludge can be increased, the composting time can be shortened, the form of heavy metals in the compost can be changed, the bioavailability of the heavy metals can be reduced, and harmless, reduction and resource utilization of the residual sludge can be realized.

The invention discloses an acrylic latex pressure-sensitive adhesive for BOPP film labels and a preparation method thereof, comprising the following raw materials in parts by weight: 40.0-55.0 parts of soft monomers; 3.0-10.0 parts of hard monomers; 1.0-5.0 parts of functional monomers; 0.02-0.1 parts of molecular weight regulators; 0.5-3.0 parts of emulsifiers; 0.02-0.1 parts of buffers; 0.2-0.6 parts of thermal initiators; 0.03-0.2 parts of oxidants; 0.03-0.2 parts of reducing agents; 0.3-1.0 parts of pH regulators; 0.3-1.0 parts of wetting agents; and 40.0-50.0 parts of deionized water. The acrylic latex pressure-sensitive adhesive for BOPP film labels of the invention has the following beneficial effects: simple preparation process, stable storage, good comprehensive mechanical properties, good anti-overflow performance, short-term re-sticking without residual glue, and excellent water vapor resistance.

The invention relates to the technical field of organic fertilizers and soil remediation. The invention provides a microbial organic compound fertilizer for soil remediation. The microbial organic compound fertilizer is characterized in that a complex formed by covalent bonding of modified UiO-66 (Zr) bifunctional ligand MOF nanoparticles and low-temperature activated wood biochar through an epoxy silane coupling agent is taken as a core; a PEC microcapsule shell formed by chitosan salt and sodium carboxymethyl cellulose under the near-neutral and low-salt condition is coated outside the PEC microcapsule; phosphorus solubilizing bacteria with metal response regulation and control are packaged inside, trehalose, skimmed milk powder and glycerin are matched for keeping alive, and low-temperature drying and granulation are carried out. The compound fertilizer can release phosphorus as required at a pollution peak value, stabilize and passivate heavy metals such as Cd, Pb and the like, the availability of available phosphorus and crops is improved, the finished product viable bacteria is greater than or equal to 1 * 10 CFU / g, and the water content is 1t; the structure is stable, and the storage and transportation performance is excellent.

The invention relates to the technical field of soil regeneration treatment, in particular to a method for treating organic matter and heavy metal compound contaminated soil through ectopic indirect thermal desorption. Comprising the following steps of S1, contaminated soil pretreatment, S2, ectopic indirect thermal desorption treatment and S3, solidification / stabilization treatment. According to the method, the organic matter and heavy metal compound polluted soil can be effectively treated by adopting ectopic indirect thermal desorption and curing / stabilizing agent compound treatment, so that the soil reaches the backfill standard; and the treatment method can effectively reduce the mobility and the bioavailability of pollutants, so that the aim of harmlessly treating the polluted soil is fulfilled.

The present application relates to sludge treatment technical field, disclose a kind of sludge dewatering conditioner and its preparation method and sludge dewatering process, including following weight parts raw materials: modified bentonite 20-30 parts, Si-CNC nano-composite 25-40 parts, graphite phase carbon nitride load iron oxide nano-composite 5-10 parts, aluminum sulfate iron 10-15 parts, citric acid-oxalic acid complex chelating agent 3-6 parts, sodium phosphate slow-release agent 1-3 parts, wherein, the modified bentonite is ammonium persulfate and polyacrylamide monomer in situ grafting polymerization modification, the graphite phase carbon nitride load iron oxide nano-composite is melamine calcination after loading iron ion again calcination and obtain.The present application can reduce the water content of sludge while sludge increment is small, convenient to use.

The invention discloses an application of KIF4B as a biomarker for predicting prognosis of a lung cancer patient, relates to the technical field of biomedicine, and particularly relates to an application of KIF4B as a biomarker in preparation of NSCLC for prognosis and treatment. The research finds that the KIF4B gene is obviously and highly expressed in the NSCLC, and the expression of the KIF4B gene has obvious correlation with the prognosis, pathological grading, TN staging, invasion and infiltration and tumor size of the NSCLC; fluorescence multiple immunohistochemistry shows that the expression of the gene is in significant positive correlation with the expression of A549 and NCI-H1299 human NSCLC cell lines; the expression of the KIF4B gene is regulated in a targeted manner by using specific shRNA, and the expression level of the KIF4B gene is reduced, so that the proliferation and migration capabilities of NSCLC cells are greatly reduced, which indicates that the expression of the KIF4B gene is crucial to the NSCLC cells. The invention proves that the expression of the KIF4B gene is closely related to NSCLC cells, provides a new target source for prevention, diagnosis, detection and research of NSCLC, and provides a new drug preparation idea and clinical application prospect for NSCLC treatment.

The invention provides a chromium-polluted brick red soil repairing agent and a repairing method thereof.The method comprises the steps of soil pretreatment, application of a repairing agent I and application of an electric field, addition of a repairing agent II for maintenance, final inoculation of biological strains and the like, and effective repairing of brick red soil is achieved. The method comprises the following steps: removing impurities, ploughing soil, applying a repairing agent I containing a reducing agent, citric acid and other components, and treating under a specific electric field condition. Then, organic fertilizer, iron oxide, nano zeolite, chitosan derivatives and other repairing agents II are added; and finally, inoculating aspergillus, citrobacter freundii and ice-living bacteria in a specific proportion to carry out bioremediation. According to the method, physical, chemical and biological remediation means are comprehensively considered, chromium pollution in the soil is efficiently removed, the content of organic carbon in the brick red soil is increased, and the ecological function of the soil is restored.

The application discloses a method for preparing ecological restoration soil by repairing contaminated spoil through regeneration, and comprises the following steps: mixing dry straw powder and bimetallic alkali liquor, stirring and drying, pyrolyzing under a protective atmosphere at a temperature above 500 DEG C to obtain modified biochar material; mixing the modified biochar material with microbial liquid, oscillating and adsorbing, and freeze-drying to obtain carbon-based biological composite material; mixing the carbon-based biological composite material with shield spoil to obtain improved shield spoil; and mixing the improved shield spoil with organic fertilizer to obtain ecological restoration soil; the method removes toxic and harmful components in the shield spoil through biodegradation, the modified biochar improves the structure of the shield spoil, and the specific component compound fertilizer is used, so that the shield spoil is recycled, and the shield spoil-based ecological restoration soil is obtained.

The invention discloses a cationic photoinitiator intermediate and a preparation method thereof, and the molecular structure of the cationic photoinitiator intermediate is shown as a formula 3. The invention also discloses a cationic photoinitiator prepared from the cationic photoinitiator intermediate, and the molecular structure of the cationic photoinitiator is shown as a formula Y, the molecular structure of the cationic photoinitiator is specifically designed, the solubility, the photo-initiation efficiency and the safety of the cationic photoinitiator in a water-based system are remarkably improved, the prepared cationic photoinitiator can stably exist in environment-friendly solvents such as water and ethyl alcohol, the problem that the cationic photoinitiator is sensitive to water is solved, and the cationic photoinitiator can be applied to water-based photoinitiators. According to the cationic photoinitiator, the polymerization inhibition effect is avoided, good photo-initiation efficiency is also shown, meanwhile, the molecular structure of the cationic photoinitiator can be copolymerized with a monomer in photo-initiation polymerization reaction, covalent binding to a polymer main chain after curing is achieved, and therefore the migration problem of the photoinitiator is effectively avoided, and the invention further discloses a preparation method of the cationic photoinitiator.

The invention relates to a flame-retardant smoke-suppression anticorrosive fiber material, a coating, a preparation method of the flame-retardant smoke-suppression anticorrosive fiber material and the coating containing the fiber material, and belongs to the technical field of functional coating materials. The preparation method of the fiber material comprises the following steps: (1) mixing and stirring a flame retardant, an organic solvent and a surfactant to obtain a core layer solution; (2) dispersing polyvinylidene fluoride-trifluoroethylene and inorganic nanoparticles in an organic solvent, and stirring to obtain a shell solution; and (3) simultaneously spinning the core layer solution and the shell layer solution to obtain the fiber material. After the coating of the fiber material is cured on the surface of a base material, a formed coating is a continuous fiber reinforced composite material and has flame-retardant, smoke-suppression, self-repairing and anti-corrosion properties at the same time. The inorganic nanoparticles are introduced into the shell layer and the thermal response type flame retardant is encapsulated in the core layer, so that the chemical activity or toxicity of harmful chemical substances is reduced through chemical adsorption, coordination binding and / or catalytic conversion under a fire or corrosion induction condition, and the flame-retardant smoke suppression, self-repairing and corrosion-resistant properties are synergistically realized.

The invention discloses a macromolecular product enhanced deodorant master batch as well as a preparation method and application thereof. The macromolecular product enhanced deodorant master batch comprises the following raw material components: 20-30 parts of zinc benzenesulfinate; 10 to 20 parts of organic phosphonic acid; 5 to 10 parts of N, N-4, 4-diphenylmethane bismaleimide; 3 to 6 parts of N-(4-anilinophenyl) maleimide; 5-8 parts of methacrylic acid fatty alcohol; and 4-10 parts of an ethylene propylene diene monomer coating body, wherein the parts are parts by mass. The polymer product enhanced deodorant is a reactive pre-dispersed master batch deodorant, is easy to disperse, does not fly, is convenient to operate and store, can effectively remove or reduce toxic and harmful substances in rubber products and the like, improves the product quality, and promotes the improvement of mechanical properties and aging resistance at the same time.

The invention discloses a sludge treatment method for stabilizing heavy metals in sludge by a hydrothermal combined stabilizer, and belongs to the technical field of environmental protection. According to the method, the sludge is treated through the combination of the stabilizer and the hydrothermal reaction, the leaching rate and mobility of all the heavy metals in a solid-phase product are reduced, the concentration of all the heavy metals in a water phase is reduced, and an unexpected synergistic interaction technical effect is achieved.

The invention discloses a soil conditioner based on fish manure and a preparation method thereof, and belongs to the technical field of soil conditioners. Comprising the following steps: mixing and stirring fish manure and humus soil, adding zymophyte and water, and continuously stirring and fermenting to obtain an organic fertilizer; the obtained organic fertilizer, the modified biomass charcoal, gamma polyglutamic acid, vermiculite and a microbial agent are mixed and granulated, and the soil conditioner containing the fish manure is obtained. The modified biomass charcoal and the modified chitosan are combined together for use, the porous water absorption characteristic of the biomass charcoal and the efficient water holding capacity of the chitosan are utilized, the synergistic use of the biomass charcoal and the chitosan not only can improve the water retention capacity of soil, but also can effectively passivate the heavy metal effect, and the fixing effect of the heavy metal is remarkably improved; therefore, heavy metal entering a food chain through plants is reduced, and harm to a human body is reduced.