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Method for rapidly extracting nutritional ingredient by grinding and liquefying enteromorpha, and preparation method of enteromorpha organic compound fertilizer

A nutrient component and compound fertilizer technology, applied in the direction of organic fertilizer, organic phosphate fertilizer, urea compound fertilizer, etc., can solve the problems of affecting crop growth, affecting product quality, high salt content of Enteromorpha, and achieve environmental protection, fast and efficient treatment, The effect of no three wastes discharge

Pending Publication Date: 2017-12-15
RIZHAO XURI COMPOSITE MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At the same time, due to the high amount of seawater absorbed by the encapsulation of Enteromorpha, the salt content of the dried Enteromorpha after simple extrusion and dehydration is very high, which makes it difficult to remove salt in the next step of deep processing, increases a lot of costs, and affects the quality of subsequent products. quality
In particular, the prepared organic fertilizer with high salt content is easy to cause compaction of the soil and affect the growth of crops.

Method used

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Examples

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Effect test

preparation example Construction

[0050] The invention also provides a preparation method of Enteromorpha organic compound fertilizer. Enteromorpha pulp prepared by the above method is phosphorylated to prepare Enteromorpha organic compound fertilizer. Specifically include the following steps:

[0051] (1) the enteromorpha pulp prepared by step B in the above method is mixed with a phosphorylating agent of 1% to 500% of enteromorpha pulp solid weight to carry out phosphorylation reaction, the pH value of the phosphorylation reaction is 7~12, the temperature 0-100°C, react for 1-6 hours, distill and concentrate during the phosphorylation reaction to obtain phosphorylated Enteromorpha pulp;

[0052] (2) adjusting the pH value of the phosphorylated Enteromorpha slurry to 5-9 to prepare Enteromorpha organic compound fertilizer.

[0053] The phosphorylating agent in the present invention is phosphoric acid and its salt, polyphosphoric acid and its salt, tetraphosphorus decoxide, phosphorus oxychloride, phosphorus...

Embodiment 1

[0074] Soak fresh Enteromorpha 4 times in fresh water, each soaking time is 15 minutes. Drain the water after taking it out, and use a large aquatic plant grinder to crush it into debris below 7cm. Use a large-scale high-consistency refiner with a grinding disc diameter of 600 to grind the shredded Enteromorpha shavings into pulp, and control the refining concentration at 15% to obtain Enteromorpha pulp.

[0075] Add 1000kg of the above-mentioned enteromorpha slurry, add 15kg potassium hydroxide, 2kg citric acid, microwave heating and keep the temperature of the reaction solution at 65±5°C for hydrolysis reaction for 18h, during the hydrolysis reaction process, decompressed distillation and steaming to remove water, to obtain a product with a solid content greater than 30%. Hydrolyzed enteromorpha concentrate.

[0076] Gained hydrolysis Enteromorpha concentrated slurry, add the saturated solution of 60kg potassium hydroxide under stirring, be cooled to 40 ℃, add 80kg urea, un...

Embodiment 2

[0078] Enteromorpha pulp 1000kg in embodiment 1, add 10kg phosphoric acid, 1kg sulfuric acid, 10kg citric acid, heat to 40 ℃, heat preservation reaction 35h, reaction process decompression distillation distills water, to solid content greater than 40%.

[0079] Cool down, the gained hydrolyzed enteromorpha concentrated slurry, add the saturated solution of 60kg potassium carbonate under stirring, fully dissolve, add the urea of ​​100kg, use the phosphoric acid solution of 15kg 45% tetraphosphorus decaoxide to neutralize the reaction solution to pH value 9~10, Keeping the pH value of the reaction solution at 8-10 and the temperature of the reaction solution at 55° C. for 4 hours, distilling under reduced pressure during the reaction until the solid content in the reaction solution is greater than 40%. Phosphoric acid is used to adjust the pH value of the reaction solution to 7, and after dissolving, the residue is removed by centrifugal filtration to obtain liquid Enteromorpha o...

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Abstract

The invention relates to the technical field of rapid high-efficiency treatment and utilization and organic fertilizer production of enteromorpha, and discloses a method for rapidly extracting a nutritional ingredient by grinding and liquefying the enteromorpha, and a method for preparing an enteromorpha organic compound fertilizer by performing acid-alkali hydrolysis and concentration on the nutritional ingredient. The method for rapidly extracting the nutritional ingredient comprises the steps of soaking salvaged fresh enteromorpha with fresh water, performing salt and sand removal, performing crushing, performing mechanical grinding, liquefying the enteromorpha, extracting the nutritional ingredient of the enteromorpha, preparing enteromorpha slurry, and performing distillation and concentration in the presence of acid or alkali to obtain the concentrated and hydrolyzed enteromorpha slurry. The method for preparing the enteromorpha organic compound fertilizer comprises the steps of phosphorylating the obtained enteromorpha slurry by a phosphorylating agent, and compounding an inorganic fertilizer to prepare the organic compound fertilizer. A treatment method of the enteromorpha avoids a difficult drying technology, is low in investment, low in cost, high in efficiency and high in capacity, well meets disastrous eruptive enteromorpha environment protection treatment, and eliminates great pollution of large-scale eruptive enteromorpha to an environment.

Description

technical field [0001] The invention relates to the technical field of high-efficiency treatment and utilization of Enteromorpha and the production of organic fertilizers, in particular to a method for rapidly extracting nutrients from fresh Enteromorpha through grinding and liquefaction and an Enteromorpha organic compound fertilizer. Background technique [0002] Enteromorpha is a kind of green algae Ulvaceae. It is rich in protein, vitamins, fat, cellulose, carbohydrates and minerals. It is famous for its rich nutrients and biologically active substances. It also contains iodine, calcium, phosphorus, iron, Potassium, other trace elements, and a complete range of amino acids can be used to prepare high-quality nutrients and high-efficiency organic fertilizers. Enteromorpha is characterized by seasonal and catastrophic outbreaks, and it needs to be salvaged intensively. The amount of Enteromorpha salvaged in a short period of time is particularly huge. During the salvage p...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05F11/00
CPCC05B15/00C05F11/00C05G3/00C05G5/20C05C9/00C05C11/00C05D1/00
Inventor 丁立朋丁然
Owner RIZHAO XURI COMPOSITE MATERIALS
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