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Plant nutrient product made from pleurotin fermentation liquid and method thereof

A plant nutrient, pleurotoxin technology, applied in fertilizer mixtures, agricultural gas emission reduction, fertilization devices, etc., to achieve balanced plant nutrition, increase yield, and achieve remarkable effects

Active Publication Date: 2013-10-09
JIANGSU SHANGKUN BIOLOGICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the fermented liquid contains a high concentration of pleuromutilin components, researchers at home and abroad have not tried to reuse it before.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 1 L of pleuromutilin fermentation broth, inoculate 10 ml of No. 1 pleuromutilin-degrading strain Pseudomonas fluorescens ATCC13525, and cultivate for 4 days to obtain a pleuromutilin-depleted fermentation broth. Compound this fermented liquid with 10g of urea to become a liquid plant nutrient solution.

Embodiment 2

[0023] Take 1 L of pleuromutilin fermentation broth, inoculate 10 ml of No. 2 pleuromutilin-degrading strain Bacillus cereus ATCC10987, and cultivate for 10 days to obtain a pleuromutilin-depleted fermentation broth. The fermented liquid is compounded with 10g of urea and 30g of peanut shell powder, and after air-dried, it becomes a solid plant nutrient fertilizer.

Embodiment 3

[0025] Take 10L of pleuromutilin fermentation broth, inoculate 2ml of pleuromutilin degrading strains No. 1, 2 and 3 respectively, Pseudomonas fluorescens ATCC 13525, Bacillus cereus ATCC 10987 and fickle Paracoccus ATCC 25364 was cultivated for 2 days to obtain a pleuromutilin-free fermentation broth. Mix this fermented liquid with 10g of urea, 2g of potassium fertilizer and 1g of phosphate fertilizer to become a liquid plant nutrient. It was determined by liquid chromatography that the pleuromutilin in the fermentation broth in this example was degraded into N-desethylpleuromutilin.

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PUM

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Abstract

The invention relates to a biofermentation waste liquid recycling technique and in particular relates to a plant nutrient product made from pleurotin fermentation liquid and a preparing method of the plant nutrient product. The plant nutrient product is made by mixing pleurotin -free secondary fermentation liquid with nutrients. The nutrients may be one or more of macro-elements, micro-elements and nitrification inhibitors. The pleurotin -free secondary fermentation liquid is obtained by inoculating pleurotin -degrading bacteria to the pleurotin fermentation liquid and culturing for 1 to 10 days. The method has no strict requirement for equipment and is convenient to operate and suitable for large-scale intensive production.

Description

technical field [0001] The invention relates to a resource recycling technology of biological fermentation waste liquid, in particular to a plant nutrient produced by pleuromutilin fermentation liquid and a method thereof. Background technique [0002] Pleuromutilin is a diterpene broad-spectrum antibiotic produced by biological fermentation of Pleurotus mutilus. Tiamulin can be obtained by semi-synthesis from pleuromutilin. As antibiotic drugs, pleuromutilin and tiamulin can effectively inhibit most Gram-positive bacteria and some Gram-negative bacteria. It is widely used as veterinary medicine. [0003] my country's pleuromutilin production enterprises produce a huge amount of fermentation waste liquid (hundreds of thousands of tons per year), which is currently treated as wastewater. However, because of its high chemical oxygen demand (about 25000 mg / l), higher treatment costs are required to meet the standard. Therefore, the resource utilization of the above-mentioned...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00C05G3/08C05G3/90
CPCY02P60/21
Inventor 徐慧韩斯琴马学军孔涛满都拉王力华
Owner JIANGSU SHANGKUN BIOLOGICAL EQUIP
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