Preparation method for modified banana stalk biomass charcoal

Abstract

The invention discloses a preparation method of modified banana stalk biochar. After the banana stalks are squeezed out of the internal moisture, they are dried at 60°C to 80°C, crushed, and passed through a 60-mesh sieve. Add the prepared MgCl2 solution according to the solid-to-liquid ratio of banana stem powder and magnesium chloride solution at 1:10~15g/ml, shake for 1 hour, soak for 23 hours, and filter. Dry the filter residue in an oven. Then put the product in a muffle furnace with a temperature of 400°C~450°C for 3.5 hours of oxygen-poor carbonization, and cool it to room temperature. The obtained product is ground and passed through a 100-mesh sieve to obtain modified banana stem biomass. carbon. The process of the present invention is simple and easy, and the production cost is low. The maximum adsorption capacity for NH4-N and PO43-can reach 30.4 mg/g and 38.5 mg/g respectively, and can be widely used in the depth of poultry wastewater, phosphorus-containing and ammonia-nitrogen wastewater deal with.

Description

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AI Technical Summary

Benefits of technology

This technology described in this patents allows us to use bananas stalk like vegetables or fava seeds instead of traditional crops such as rice crop because they are more environmentally friendly than other plants due their ability to absorb large amounts of nutrients (nitrogen) and phytate molecules during photosynthesis process. By loading certain chemical substances onto these plant parts called bacteria that actively participates in redox processes, it becomes possible to create highly effective treatments against pollution caused by various types of organic compounds containing both nitrohydroxy radicals (-NO2) and hydrophobic oxygen atoms ("OH"). These treated biochar have excellent properties making them ideal candidates for applications related to animal husbandry where recycling wastes helps reduce harmful impacts on ecosystem health.

Problems solved by technology

This patented technical issue addressed in the current patent describes the challenge of effectively recovering valuable metals (such as selenium) from various sources like spent hydrauzoelectric acid (HA), uranyl peroxidate (UPO2), ammoniacal nitrate (NzNO3-). Current processes involve expensive equipment and complex steps, making these solutions difficult to achieve at scale.

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