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Method for producing microbial fertilizer or inoculant for planting by using restaurant-kitchen garbage subjected to enzymolysis

A microbial fertilizer and kitchen waste technology, applied in the biological field, can solve the problems of high cost of use, low efficiency, and no consideration of liquid treatment and discharge of food waste, and achieve low cost, reduced viscosity, and shortened processing time. Effect

Inactive Publication Date: 2014-09-17
深圳市南理工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this technology has problems such as low efficiency and high cost in practical application.
In addition, these patents do not consider the treatment and discharge of residual kitchen waste liquid after extraction of lactic acid or alcohol, so secondary environmental pollution or reprocessing problems are unavoidable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] After the collected food waste was crushed and sorted to remove inorganic substances, 0.01% high-temperature-resistant amylase (high-temperature-resistant α-amylase derived from Bacillus licheniformis, 40000U / g, purchased from Novozymes A / S company) and keep warm for 2 hours. After pouring off the oil, add 0.03% glucoamylase (100000U / g, purchased from Novozymes A / S company) when the temperature drops to 55°C, and keep warm for 2 hours; when the temperature drops to 37°C, respectively Add 0.01% protease (100000U / g, purchased from Novozymes A / S) and 0.01% cellulase (100000U / g, purchased from Novozymes A / S) by weight of food waste to act together Kitchen waste liquid, after 3 hours of heat preservation, the solid and liquid are separated, the liquid is pumped into the fermenter, the high temperature sterilization condition is 121°C, sterilized for 25min, and the inoculum is inoculated with 5% Bacillus subtilis and lichen when the temperature is lowered to 35°C Microbial s...

Embodiment 2

[0023] After the collected food waste is crushed and sorted to remove inorganic matter, add 0.05% high temperature-resistant amylase (40000U / g, purchased from Amano Enzyme Inc.) when cooking at 90°C and keep it warm for 1-2 hours, then pour off the oil Finally, when the temperature dropped to 60°C, 0.05% glucoamylase (100000U / g, purchased from Novozymes A / S Company) was added and kept for 2 hours; when the temperature dropped to 40°C, 0.03% protease ( 100000U / g, purchased from Novozymes A / S Company) and 0.03% cellulase (100000U / g, purchased from Novozymes A / S Company) of the weight of food waste together to act on the kitchen waste liquid, solid-liquid after 3 hours of incubation Separation, pump the liquid into the fermenter, high-temperature sterilization conditions are 115°C, sterilize for 30 minutes, and inoculate 3% of Bacillus subtilis, Bacillus licheniformis, Bacillus megaterium, Bacillus natto, and Bacillus coagulans when the temperature is lowered to 35°C Bacillus and...

Embodiment 3

[0029] After the collected food waste is crushed and sorted to remove inorganic matter, add 0.03% high-temperature-resistant amylase (40000U / g, purchased from Amano Enzyme Inc.) when cooking at 100°C and keep it warm for 1-2 hours, then pour off the fat Finally, when the temperature dropped to 50°C, 0.1% glucoamylase (100000U / g, purchased from Novozymes A / S Company) was added and kept for 2 hours; but when the temperature dropped to 30°C, 0.05% protease ( 100000U / g, purchased from Amano Enzyme Inc.) and 0.05% cellulase (100000U / g, purchased from Novozymes A / S Company) of the weight of food waste together acted on the kitchen waste liquid, solid-liquid after 5 hours of incubation Separation, pump the liquid into the fermenter, high-temperature sterilization conditions are 130°C, sterilize for 20 minutes, and inoculate 1% of Bacillus subtilis, Bacillus licheniformis, Bacillus megaterium, Bacillus natto, and Bacillus coagulans when the temperature is lowered to 35°C Microbial see...

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PUM

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Abstract

The invention discloses a method for producing a microbial fertilizer or an inoculant for planting by using restaurant-kitchen garbage subjected to enzymolysis. The method comprises the following steps: crushing and sorting the collected restaurant-kitchen garbage to remove inorganic matters, adding high-temperature-resistant amylase during cooking and preserving heat, pouring out grease, adding glucoamylase in the cooling process and preserving heat, adding protease and cellulase and preserving heat, then performing solid-liquid separation on the restaurant-kitchen garbage subjected to enzymolysis, pumping liquid obtained by virtue of separation into a fermentation tank to perform high-temperature sterilization, inoculating microbial seed liquid for planting after cooling, fermenting for 24-48 hours at 25-37 DEG C, sub-packaging into each sealed container after fermentation to obtain the microbial fertilizer or the inoculant for liquid planting. The method disclosed by the invention aims to reduce the restaurant-kitchen garbage and perform high-valued application on the restaurant-kitchen garbage, and can be used for truly achieving restaurant-kitchen garbage treatment without secondary pollution; meanwhile, restaurant-kitchen garbage waste liquid with rich source and low cost is converted into a composite microbial fertilizer or the inoculant for planting with wide application prospects, and high-valued products are obtained; the method disclosed by the invention has particularly significant advantages.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a method for producing microbial fertilizer or bacterial agent for planting by enzymatically decomposing kitchen waste. Background technique [0002] Kitchen waste refers to the leftovers and waste edible oils and fats generated in food processing, catering services, unit meals and other activities other than residents' daily life, commonly known as swill, swill or slops. The generation of urban kitchen waste is extremely large, especially in large and medium-sized cities with developed economies, high living standards, and well-developed catering industries. According to relevant statistical data, the proportion of kitchen waste in several large cities in my country is about 37% in Beijing, 54% in Tianjin, 59% in Shanghai, 62% in Shenyang, 57% in Shenzhen and 57% in Guangzhou. Food waste has become a major pollution source of urban public environmental sanitation, the s...

Claims

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Application Information

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IPC IPC(8): C05F9/04
CPCY02A40/20
Inventor 司卫丽蓝木香杨继国蓝启添
Owner 深圳市南理工科技有限公司
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