Fruit and vegetable waste anaerobic fermentation biological enhancement device and method
A fruit and vegetable waste and anaerobic fermentation technology, applied in biochemical equipment and methods, biochemical cleaning devices, enzymology/microbiology devices, etc., can solve problems such as high operating costs, improve adaptability, reduce investment, The effect of improving the gas production performance of anaerobic digestion
Pending Publication Date: 2022-06-24
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] Adding bioaugmentation bacteria to the anaerobic fermentation reactor of fruit and vegetable waste can improve the stability of the system, but it means higher operating costs in actual engineering
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0026]A certain small fruit and vegetable waste adopts the device and method of the present invention, and the fermentation temperature is 37±1°C, which is relatively stable during operation. By testing the relevant data, the results are as follows: the highest volatile solid methane gas production rate after biofortification is 485.10mL / g VS, and the highest VS methane gas production rate of the control group without the enhanced bacterial agent in the laboratory is 393.95mLg / g VS Compared with the increase of 23.14%. In the stop feeding stage, the gas produced in the reactor fluctuated in a small range and then returned to stability, and the parameters of the reactor were normal. By measuring the volatile acid, it was found that the accumulation of VFA in the system decreased significantly after adding the bio-enhanced bacterial agent in the early stage. After the dosing period, the cumulative amount of acetic acid and propionic acid in the reactor gradually decreased, and ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a fruit and vegetable waste anaerobic fermentation bioaugmentation device and method, after solid-liquid separation is carried out on fruit and vegetable waste, collected waste liquid is separated through a membrane concentration reactor, a carbohydrate-rich part is used as a nutritional ingredient of an augmentation microbial inoculum system, and the rest part is used for adjusting the water content of a fermentation substrate; the adaptive capacity of the microbial inoculum is enhanced, the anaerobic digestion gas production performance of the fruit and vegetable wastes is improved, stable operation of a semi-continuous anaerobic fermentation system is realized, the fruit and vegetable wastes are completely utilized, and the investment and operation cost is reduced.
Description
Technical field: [0001] The invention relates to an anaerobic fermentation bio-enhancing device and method for fruit and vegetable waste. Background technique: [0002] During the harvesting, processing and transshipment of fruits and vegetables, a large amount of waste is generated, accounting for about 30% of the output of fruits and vegetables. According to statistics, my country produces about 100 million tons of fruit and vegetable waste every year. Therefore, reasonable disposal of fruit and vegetable waste can not only avoid environmental pollution, but also effectively utilize resources. [0003] At present, the commonly used solid waste treatment methods mainly include: landfill, composting, incineration and anaerobic treatment technology. Due to its high water content and more organic matter, the use of landfill method will cause loss of organic matter and produce more leachate, resulting in secondary environmental pollution. The higher water content makes it di...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/107C12M1/12C12M1/02C12P5/02C05F5/00C05F17/20C05G5/20C05F17/957
CPCC12M21/04C12M27/02C12M29/18C12M45/02C12M45/03C12M45/04C12P5/023C05F5/00C05F17/20C05G5/20C05F17/957Y02A40/20Y02W30/40
Inventor 何林松李颖李连华孙永明
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI