Organic solid waste processing method

Abstract

The invention belongs to the technical field of waste processing, and more specifically relates to an organic solid waste processing method. The organic solid waste processing method comprises following steps: organic solid waste is introduced into a waste processing device for crushing and water filtering; after crushing and filtering of the organic solid waste, the organic solid waste is introduced into an anaerobic hydrolysis acidifying reactor, a microbial agent is added, anaerobic hydrolysis acidifying processing is carried out, pH value is detected, and reaction is stopped when pH valuereduction is stopped, and acidifying processing is completed; after acidifying processing, an obtained material is introduced into an aerobic reactor for aerobic composting so as to obtain decomposedcompost. On one hand, the organic solid waste processing method is capable of reducing energy consumption of pure aerobic processing, and shortening period, and on the other hand, the organic solid waste processing method is capable of reducing ammonia and nitrogen loss, and improving fertilizer effect.

Description

technical field [0001] The invention belongs to the technical field of waste treatment, in particular to a method for treating organic solid waste. Background technique [0002] In recent years, due to the rapid development of my country's economy, the continuous improvement of people's living standards, the continuous acceleration of urbanization, and the continuous strengthening of the country's environmental governance, the amount of organic solid waste has increased rapidly. However, organic solid waste contains a large number of pathogenic bacteria, parasite eggs, heavy metals such as chromium and mercury, and toxic, harmful and carcinogenic substances that are difficult to degrade, such as dioxins, which can easily pollute groundwater and soil and directly endanger human health. [0003] At present, there are mainly the following disposal methods for organic solid waste: incineration, landfill, resource utilization, etc. Among them, incineration is the most obvious an...

AI Technical Summary

Problems solved by technology

Among them, incineration is the most obvious and thorough method of reduction, but incineration not only consumes high energy, but also wastes a lot of resources

The most commonly used is landfill, but due to the limited space available for landfill, and landfill is easy to cause secondary pollution and waste of energy

The treatment technologies for organic solid waste are mainly aerobic composting and anaerobic fermentation. Among them, the anaerobic treatment technology has the disadvantages of large land occupation, long processing time, easy to generate stench and insufficiently decomposed impurities in the product; aerobic Composting requires a lot of oxygen, consumes a lot of electricity, and has high operating costs. The loss of nitrogen is more than that of anaerobic treatment, which reduces the fertilizer efficiency.

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