Acid soil improver

A technology of acidic soil and improver, applied in application, animal carcass fertilizer, agriculture, etc., can solve the problems of desulfurization ash utilization mode and application range limitation, low utilization rate of desulfurization agent, difficult process control, etc., to achieve the promotion of types and quantities The effect of increasing, protecting the environment and increasing crop yield

Inactive Publication Date: 2019-01-18
中国华电集团有限公司 +1
3 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Due to the high Ca/S of semi-dry flue gas desulfurization process, low utilization rate of desulfurization agent, slow reactio...
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Abstract

The invention provides an acid soil improver. The acid soil improver is prepared from the following components in percentage by weight: 25 to 43 percent of semi-dry flue gas desulfurization ash, 1 to30 percent of straw, 1 to 30 percent of oyster shell, 6 to 15 percent of magnesium sulfate and 6 to 15 percent of zinc sulfate. The invention provides the acid soil improver which takes the semi-dry flue gas desulfurization ash as a main component, the acid soil improver is capable of improving the acidity of acid soil and preventing food production reduction caused by degradation of the acid soil, and meanwhile, resource utilization of the semi-dry flue gas desulfurization ash is promoted.

Application Domain

Technology Topic

ChemistryOyster +5

Image

  • Acid soil improver
  • Acid soil improver
  • Acid soil improver

Examples

  • Experimental program(5)
  • Effect test(1)

Example Embodiment

[0028] Example 1
[0029] The weight percentage of an acid soil conditioner is as follows: semi-dry desulfurization ash: 25%, straw: 30%, oyster shell powder: 30%, magnesium sulfate: 7%, zinc sulfate: 8%;
[0030] The weight percentage of semi-dry desulfurization ash is as follows: 40.0 parts by weight of SiO 2 , 14.8 parts by weight of Al 2 O 3 , 4.2 parts by weight of Fe 2 O 3 , 27.1 parts by weight of CaO, 2.9 parts by weight of MgO, 3.8 parts by weight of K 2 O, 4.8 parts by weight of Na 2 O and 2.4 parts by weight of P 2 O 5;
[0031] The fineness of semi-dry desulfurization ash is 45μm square hole sieve residue is not more than 15%; straw is crushed to 5-100mm; oyster shell powder fineness is 45μm square hole sieve residue is not more than 15%; magnesium sulfate, zinc sulfate The fineness of 45μm square hole sieve is not more than 10%.

Example Embodiment

[0032] Example 2
[0033] The weight percentage of an acid soil conditioner is as follows: semi-dry desulfurization ash: 30%, straw: 25%, oyster shell powder: 30%, magnesium sulfate: 7%, zinc sulfate: 8%;
[0034] The weight percentage of semi-dry desulfurization ash is as follows: 45.0 parts by weight of SiO 2 , 11.6 parts by weight of Al 2 O 3 , 3.8 parts by weight of Fe 2 O 3 , 25.3 parts by weight of CaO, 2.5 parts by weight of MgO, 3.8 parts by weight of K 2 O, 4.9 parts by weight of Na 2 O and 2.9 parts by weight of P 2 O 5;
[0035] The fineness of semi-dry desulfurization ash is 45μm square hole sieve residue is not more than 15%; straw is crushed to 5-100mm; oyster shell powder fineness is 45μm square hole sieve residue is not more than 15%; magnesium sulfate, zinc sulfate The fineness of 45μm square hole sieve is not more than 10%.

Example Embodiment

[0036] Example 3
[0037] The weight percentage of an acidic soil conditioner is as follows: semi-dry desulfurization ash: 35%, straw: 25%, oyster shell powder: 25%, magnesium sulfate: 7%, zinc sulfate: 8%;
[0038] The weight percentage of semi-dry desulfurization ash is as follows: 50.0 parts by weight of SiO 2 , 10.3 parts by weight of Al 2 O 3 , 4.7 parts by weight of Fe 2 O 3 , 22.2 parts by weight of CaO, 2.6 parts by weight of MgO, 3.4 parts by weight of K 2 O, 4.0 parts by weight of Na 2 O and 2.8 parts by weight of P 2 O 5;
[0039] The fineness of semi-dry desulfurization ash is 45μm square hole sieve residue is not more than 15%; straw is crushed to 5-100mm; oyster shell powder fineness is 45μm square hole sieve residue is not more than 15%; magnesium sulfate, zinc sulfate The fineness of 45μm square hole sieve is not more than 10%.
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Description & Claims & Application Information

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