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Technology of making organic fertilizer using papermaking waste liquid and agricultural straw

A technology for crop straw and papermaking waste liquid, which is applied in the preparation of organic fertilizers, organic fertilizers, and biological organic part treatment, etc., can solve the problems of difficult treatment of papermaking waste liquid, etc.

Inactive Publication Date: 2008-09-17
张朋端
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that papermaking waste liquid is difficult to handle in the prior art, the present invention provides a process for making organic fertilizer by using papermaking waste liquid and crop straw

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A process for making organic fertilizer using papermaking waste liquid and crop straws includes the following steps:

[0014] ①. Mix 900 kilograms of papermaking waste liquid and 700 kilograms of 60-mesh straw powder, such as wheat straw, and send it to the steaming ball for heating, so that the pressure reaches 5 atmospheres and keep it for 4 hours. Steamed ball is a commonly used pressure vessel.

[0015] ② Add 4 kg of concentrated sulfuric acid to the matured straw powder mixture until the mixture reaches neutrality.

[0016] ③. Transfer the neutralized mixture to the fermentation tank, add 15 kg of yeast powder per cubic meter, and 1 kg of straw decomposing enzyme, mix and stir evenly, and ferment for 5 days. The yeast powder and bio-cellulolytic enzyme used are commonly used products in the field of fermentation engineering. Yeast powder can be enzyme bacteria, which is a kind of beneficial microorganisms that can produce a variety of catalytic decomposition enzymes. I...

Embodiment 2

[0023] A process for making organic fertilizer using papermaking waste liquid and crop straws includes the following steps:

[0024] ①. Mix 1100 kilograms of papermaking waste liquid and 700 kilograms of 60 mesh straw powder, such as corn stalks, and send them to the steaming ball for heating, so that the pressure reaches 8 atmospheres and keep it for 6 hours.

[0025] ② Add 10 kg of concentrated sulfuric acid to the matured straw powder mixture until the mixture reaches neutrality.

[0026] ③, biological fermentation, add yeast and enzymes to the neutralized mixture, transfer the neutralized mixture to the fermentation tank, add yeast powder at an amount of 25 kg per cubic meter, and 2 kg of straw decomposing enzyme. Mix well and ferment for 7 days.

[0027] ④ Phosphating, add 110 kg of concentrated phosphoric acid to the above materials, and react for 4 hours, at this time the PH value is 3.

[0028] ⑤ Ammonization, add 130 kilograms of ammonia to the mixed reactant, keep it air...

Embodiment 3

[0033] A process for making organic fertilizer using papermaking waste liquid and crop straws includes the following steps:

[0034] ①. Mix 1000 kilograms of papermaking waste liquid and 700 kilograms of 60 mesh straw powder, such as other crops or weeds, and send them to the steaming ball to heat, so that the pressure reaches 6 atmospheres and keep it for 5 hours.

[0035] ② Add 7 kg of concentrated sulfuric acid to the matured straw powder mixture.

[0036] ③ Biological fermentation, adding yeast and enzymes to the neutralized mixture, transferring the neutralized mixture to the fermentation tank, adding yeast powder at an amount of 20 kilograms per cubic meter, and 1.5 kilograms of straw decomposing enzymes. Mix well and ferment for 6 days.

[0037] ④ Phosphating, add 85 kg of concentrated phosphoric acid to the above materials, and react for 3 hours, at this time the pH value is 2.5.

[0038] ⑤ Ammonization, add 120 kg of ammonia water to the mixed reactant, keep it airtightly...

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PUM

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Abstract

An organic fertilizer is prepared from the paper-making sewage and the straw or stalk of agricultural crops through mixing the paper-making sewage with the powdered straw and stalk, high-temp and-pressure digestion, acid neutralizing, biologic fermenting, adding P, ammonia water and K, and baking.

Description

Technical field [0001] The invention relates to a technology for making organic fertilizer by using crop straws, in particular to a technology for making organic fertilizer by using papermaking waste liquid and crop straws. Background technique [0002] At present, the main purpose of the sewage treatment method produced after papermaking is to separate the pollutants in the water from the water, or to extract some of the substances for reuse. However, due to the extremely complex composition of the sewage, the amount of investment required for treatment is huge. As we all know, some Wastewater discharged from paper mills without sewage treatment capacity is an important reason for the pollution of many rivers and land; especially in the vast rural areas, this phenomenon is more prominent due to the high cost of sewage treatment and the lack of effective supervision. However, in rural areas, a large amount of crop stalks are produced every year. The method of processing these sta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F7/02C05F17/00
CPCY02W30/40
Inventor 张朋端
Owner 张朋端
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