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Petroleum hydrocarbon contaminated remediation fertilizer

A technology of petroleum hydrocarbons and fertilizers, which is applied in the field of repairing fertilizers polluted by petroleum hydrocarbons. It can solve the problems of impact, long temporary storage time, and high pretreatment requirements, and achieve the effect of rich nutrition, rich nutrition, and high removal rate.

Inactive Publication Date: 2017-05-31
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cement kiln co-processing technology in the physical and chemical remediation technology can treat petroleum hydrocarbon-contaminated soil with a small area and short processing time, and is not affected by the total petroleum hydrocarbon content. High processing requirements, and affected by the quality of cement products

Method used

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  • Petroleum hydrocarbon contaminated remediation fertilizer

Examples

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Effect test

Embodiment 1

[0021] A repairing fertilizer for petroleum hydrocarbon pollution, characterized in that it consists of the following raw materials in parts by weight: 20kg of urea, 10kg of sodium nitrate, 15kg of urea phosphate, 10kg of superphosphate, 10kg of potassium sulfate, 12kg of potassium carbonate, and 15kg of potassium tartrate , 8kg of sodium carbonate, 10kg of peanut dregs, 8kg of bagasse, 18kg of modified biochar, 10kg of modified silica gel, and 15kg of modified distiller's grains.

[0022] The preparation method of the modified biochar is to soak the biochar with oxalic acid, stir with a magnetic stirrer for 35 minutes under a constant temperature water bath at 75°C, adjust the pH value to 7 with 0.4mol / L sodium hydroxide, and stir for 10 minutes , take it out, soak it in hydrogen peroxide, stir it with a magnetic stirrer for 65 minutes under a constant temperature water bath at 60°C, add hexadecyltrimethylammonium bromide 0.3 times the mass of the biomass charcoal, let it stan...

Embodiment 2

[0031] A repairing fertilizer for petroleum hydrocarbon pollution, characterized in that it consists of the following raw materials in parts by weight: 30kg of urea, 15kg of sodium nitrate, 20kg of urea phosphate, 15kg of superphosphate, 30kg of potassium sulfate, 18kg of potassium carbonate, and 20kg of potassium tartrate , 12kg of sodium carbonate, 15kg of peanut dregs, 14kg of bagasse, 22kg of modified biochar, 14kg of modified silica gel, and 20 kg of modified distiller's grains.

[0032] The modified biochar is prepared by soaking the biochar with oxalic acid, stirring with a magnetic stirrer for 40 minutes under a constant temperature water bath at 80°C, adjusting the pH value to 7 with 0.45mol / L sodium hydroxide, and stirring for 10 minutes , take it out, soak it in hydrogen peroxide, stir it with a magnetic stirrer for 70 minutes in a constant temperature water bath at 65°C, add cetyltrimethylammonium bromide 0.35 times the mass of the biochar, let it stand at 6°C for 1...

Embodiment 3

[0041] A repairing fertilizer for petroleum hydrocarbon pollution, characterized in that it consists of the following raw materials in parts by weight: urea 25 kg, sodium nitrate 13 kg, urea phosphate 18 kg, superphosphate 13 kg, potassium sulfate 20 kg, potassium carbonate 15 kg, potassium tartrate 18 kg , 10kg of sodium carbonate, 13kg of peanut dregs, 12kg of bagasse, 20kg of modified biochar, 12kg of modified silica gel, and 18kg of modified distiller's grains.

[0042] The modified biochar is prepared by soaking the biochar with oxalic acid, stirring with a magnetic stirrer for 38 minutes under a constant temperature water bath at 78°C, adjusting the pH value to 7 with 0.43mol / L sodium hydroxide, and stirring for 10 minutes , take it out, soak it in hydrogen peroxide, stir it with a magnetic stirrer for 68 minutes in a constant temperature water bath at 63°C, add cetyltrimethylammonium bromide 0.33 times the mass of the biochar, let it stand at 5°C for 1.3h, and filter , ...

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Abstract

The invention relates to the technical field of fertilizer, in particular relates to a petroleum hydrocarbon contaminated remediation fertilizer. The fertilizer is prepared from, by weight, 20-30 parts of urea, 10-15 parts of sodium nitrite, 15-20 parts of urea phosphate, 10-15 parts of superphosphate, 10-30 parts of potassium sulfate, 12-18 parts of potassium carbonate, 15-20 parts of potassium tartrate, 8-12 parts of sodium carbonate, 10-15 parts of peanut residue, 8-14 parts of bagasse, 18-22 parts of modified biomass charcoal, 10-14 parts of modified silica gel, and 15-20 parts of modified distiller's grains; the fertilizer is rich in nutrition, contains a variety of substantial elements and micronutrients required by the crop, the total nutrients of nitrogen, phosphorus and potassium are larger than or equal to 51.5%, the fertilizer contains multiple nutrient elements; the remediation fertilizer has a removal rate of 93.7% for petroleum hydrocarbon in soil, the effect is significant, in the case of oilseed rape, the yield can be increased by more than 8.9-11.8%, and the dual benefits of high yield and petroleum hydrocarbons removal are achieved.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a repairing fertilizer polluted by petroleum hydrocarbons. Background technique [0002] With the rapid development of urbanization in our country and the adjustment of industrial structure under the policy of "retreat from two to three", a large number of industrial enterprises in cities need to be closed or relocated, and industrial land will be re-planned for agricultural or residential land. Because this kind of site has been used for industrial purposes, the soil in the site has been polluted to varying degrees. According to the requirements of Guofa [2011] No. 35 "Environmental assessment and harmless treatment should be carried out if the contaminated site is redeveloped and utilized", The soil in the site needs to be restored, many of which are contaminated by petroleum hydrocarbons. The water solubility of petroleum substances is generally very small, and soil parti...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05G3/80
CPCC05B1/02C05G3/00C05G3/80C05B15/00C05C5/02C05C9/00C05D1/00C05D1/02C05D9/00C05F5/002C05F5/008
Inventor 陈肖虎赵平原王丽远鲁圣军黎志英刘利金会心
Owner GUIZHOU UNIV
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