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Maize straw treatment method

A technology of corn stalks and treatment methods, which is applied in the field of corn stalks treatment, can solve the problems of non-existence, polluted air, poor feeding effect of straws, etc., and achieve the effect of prolonging the logarithmic growth period and slow growth period, and prolonging the adsorption effect Effect

Inactive Publication Date: 2017-01-04
余敏敏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] China's corn planting area is about 300 million mu, distributed in about 24 provinces, municipalities, and autonomous regions, of which Heilongjiang, Jilin, Liaoning, Hebei, Shandong, Shanxi, Henan, Shaanxi, Sichuan, Guizhou, Yunnan, and Guangxi are the main provinces , districts, corn is a grain, economy and feed crop mainly used as feed, and corn stalks are also an important production resource for industrial and agricultural production. At present, corn stalks are mainly crushed and used as silage. The straw from the late stage of milk ripening to the early stage of wax ripening, as for the corn straw after wax ripening, the feeding effect is poor. At present, there is no good treatment method, and it is generally treated by incineration. At the turn of autumn and winter, the incineration of corn straw often pollutes the air. become a target
[0003] Rhodospirillum lives in the silt of lakes and ponds, which can improve the ecological environment of aquaculture and reduce ammonia nitrogen and BOD. At present, technicians in related fields have used Rhodospirillum to purify high-concentration organic wastewater in order to protect the environment and eliminate The purpose of pollution, there is no relevant application in the treatment of contaminated soil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Crush corn stalks to 120 mesh, put them into a vacuum tank, set a negative pressure of -0.35MPa at a constant temperature of 53°C, and keep it for 3 minutes, then set a positive pressure of 0.22 MPa, keep it for 10 minutes, and then set a negative pressure of - 0.18MPa, keep it for 3 minutes, set the positive pressure to 0.33MPa, keep it for 1 minute, and get the puffed corn stalks;

[0015] Mix the puffed corn stalks with the culture medium at a weight ratio of 1:5, adjust the pH to 6.2, inoculate the Rhodospirilla liquid at a weight ratio of 10%, and incubate at a constant temperature of 36°C for 4 hours before use;

[0016] Wherein, the culture solution is obtained by mixing sake, salt, yeast extract, and water in a weight ratio of 1:0.02:0.02:8.

Embodiment 2

[0018] Crush the corn stalks to 125 mesh, put them into a vacuum tank, set a negative pressure of -0.35MPa at a constant temperature of 53°C, keep it for 4 minutes, set a positive pressure of 0.22 MPa, keep it for 11 minutes, and set the negative pressure again - 0.18MPa, keep for 4 minutes, set positive pressure 0.33MPa, keep for 1.5 minutes, get puffed corn stalks;

[0019] Mix the puffed corn stalks with the culture medium at a weight ratio of 1:7, adjust the pH to 6.2, inoculate the Rhodospirilla liquid at a weight ratio of 10%, and culture at a constant temperature of 36°C for 4 hours before use;

[0020] Wherein, the culture solution is obtained by mixing sake, salt, yeast extract, and water in a weight ratio of 1:0.02:0.02:9.

Embodiment 3

[0022] Crush the corn stalks to 130 mesh, put them into a vacuum tank, set a negative pressure of -0.35MPa at a constant temperature of 53°C, keep it for 5 minutes, set a positive pressure of 0.22 MPa, keep it for 12 minutes, and set the negative pressure again - 0.18MPa, keep it for 5 minutes, set the positive pressure to 0.33MPa, keep it for 2 minutes, and get the puffed corn stalks;

[0023] Mix the puffed corn stalks with the culture medium at a weight ratio of 1:8, adjust the pH to 6.2, inoculate the Rhodospirilla liquid at a weight ratio of 10%, and incubate at a constant temperature of 36°C for 4 hours before use;

[0024] Wherein, the culture solution is obtained by mixing sake, salt, yeast extract, and water in a weight ratio of 1:0.02:0.02:10.

[0025] Randomly select the soil in the Huainan mining area, collect 0-20cm surface soil for analysis, and use multi-point sampling to mix into a representative sample. Each representative sample is finally sampled at 1kg. Af...

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Abstract

The invention relates to the technical field of maize straw application, in particular to a maize straw treatment method. Treated maize straw is used for repairing contaminated soil in a coal field mining area; the maize straw treatment steps include that maize straw is smashed, puffed, and mixed with a nutrient solution to inoculate a rhodospirillum bacteria solution, constant temperature incubation is carried out for four hours at 36 DEG C, and then the treated maize straw can be used; and the treated maize straw has the high absorption effect on copper (Cu), cadmium (Cd), chromium (Cr) and nickel (Ni), and is particularly suitable for repairing the contaminated soil in the coal field mining area.

Description

technical field [0001] The invention relates to the technical field of crop stalk application, in particular to a method for treating corn stalks. The treated corn stalks are used to restore polluted soil in coal mining areas. Background technique [0002] China's corn planting area is about 300 million mu, distributed in about 24 provinces, municipalities, and autonomous regions, of which Heilongjiang, Jilin, Liaoning, Hebei, Shandong, Shanxi, Henan, Shaanxi, Sichuan, Guizhou, Yunnan, and Guangxi are the main provinces , districts, corn is a grain, economy and feed crop mainly used as feed, and corn stalks are also an important production resource for industrial and agricultural production. At present, corn stalks are mainly crushed and used as silage. The straw from the late stage of milk ripening to the early stage of wax ripening, as for the corn straw after wax ripening, the feeding effect is poor. At present, there is no good treatment method, and it is generally treat...

Claims

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Application Information

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IPC IPC(8): B09C1/00B09B3/00
CPCB09B3/00B09C1/00
Inventor 余敏敏
Owner 余敏敏
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