Quantities of plastic solids derived from mixed plastic waste are provided. The quantities can comprise polyolefins and/or polyethylene terephthalate and can be co-located with other quantities of plastic solids. The quantities of solids plastics can comprise particulate plastic solids that are suitable for use as feedstocks to various chemical recycling processes.

Provided is a novel method that makes it possible to easily sterilize spores and the like in a highly safe manner. A method for producing radicals according to the present invention includes a generation step of generating radicals through photoirradiation of a radical generation source, and the peak wavelength of light used in the photoirradiation is greater than UV wavelengths and 600 nm or less. Also, a method for sterilizing spores according to the present invention includes a treatment step of generating radicals through photoirradiation of a radical generation source and treating spores with the radicals, and the peak wavelength of light used in the photoirradiation is greater than UV wavelengths and 600 nm or less. The peak wavelength is, for example, 405 to 470 nm.

The present invention relates to a food waste dryer comprising: a main body in which a drying space is formed so that a portion thereof is open to the outside; a front door for closing the open portion of the main body; a drying basket which is disposed in the drying space of the main body and in which food is accommodated; an air circulation unit which includes a heater capable of heating the air of the drying space, and which suctions the air inside the drying space, and then blows, at the food waste, the air heated by the heater so as dry the food waste; a circulation pipe capable of discharging, to the outside through an exhaust pipe, the air that includes steam vaporized during a food waste drying process, and recirculating, to the drying space through a blowing pipe, the air heated by the heater; and a deodorizing device mounted on the outside of the main body so as to adsorb odor particles from the air discharged to the outside through the circulation pipe, thereby enabling the air to be deodorized, wherein the deodorizing device includes a deodorant comprising activated carbon and zeolite. According to the present invention, a fixed amount of steam, which is generated by vaporization and evaporation during the food waste drying process, is maintained, and the adsorption and deodorization performance of the odor particles can be improved.

The present invention relates to a food waste dryer comprising: a main body in which a drying space is formed so that a portion thereof is open to the outside; a front door for closing the open portion of the main body; a drying basket which is disposed in the drying space of the main body and in which food is accommodated; an air circulation unit which includes a heater capable of heating the air of the drying space, and which suctions the air inside the drying space, and then blows, at the food waste, the air heated by the heater so as dry the food waste; a circulation pipe capable of discharging, to the outside through an exhaust pipe, the air that includes steam vaporized during a food waste drying process, and recirculating, to the drying space through a blowing pipe, the air heated by the heater; and a deodorizing device mounted on the outside of the main body so as to adsorb odor particles from the air discharged to the outside through the circulation pipe, thereby enabling the air to be deodorized, wherein the deodorizing device includes a deodorant comprising activated carbon and zeolite. According to the present invention, a fixed amount of steam, which is generated by vaporization and evaporation during the food waste drying process, is maintained, and the adsorption and deodorization performance of the odor particles can be improved.

The purpose of the present invention is to provide a method which is for producing pulp fibers for cellulose nanofiberization from pulp fibers of used sanitary products, and which can produce pulp fibers for cellulose nanofiberization that have low lignin content and a low distribution thereof and that have excellent cellulose nanofiberization properties. This method is described below. The method is characterized by involving: a step for supplying, from a mixed solution supply port (32) to a treatment tank (31), a mixed solution (51) which contains superabsorbent polymers and pulp fibers derived from used sanitary products; a step for supplying an ozone-containing gas (53) from an ozone-containing gas supply port (43) to a treatment solution (52) inside of the treatment tank (31); a step in which, by raising the ozone-containing gas (53) while lowering the superabsorbent polymers and pulp fibers in the treatment tank (31), the ozone-containing gas (53) is brought into contact with the superabsorbent polymers and the pulp fibers, and pulp fibers for cellulose nanofiberization are formed from the pulp fibers; and a step for discharging the treatment solution (52) from a treatment solution discharge port (33), wherein the pulp fibers for cellulose nanofiberization have a lignin content of less than or equal to 0.1 mass %.

The purpose of the present invention is to provide a method which is for producing pulp fibers for cellulose nanofiberization from pulp fibers of used sanitary products, and which can produce pulp fibers for cellulose nanofiberization that have low lignin content and a low distribution thereof and that have excellent cellulose nanofiberization properties. This method is described below. The method is characterized by involving: a step for supplying, from a mixed solution supply port (32) to a treatment tank (31), a mixed solution (51) which contains superabsorbent polymers and pulp fibers derived from used sanitary products; a step for supplying an ozone-containing gas (53) from an ozone-containing gas supply port (43) to a treatment solution (52) inside of the treatment tank (31); a step in which, by raising the ozone-containing gas (53) while lowering the superabsorbent polymers and pulp fibers in the treatment tank (31), the ozone-containing gas (53) is brought into contact with the superabsorbent polymers and the pulp fibers, and pulp fibers for cellulose nanofiberization are formed from the pulp fibers; and a step for discharging the treatment solution (52) from a treatment solution discharge port (33), wherein the pulp fibers for cellulose nanofiberization have a lignin content of less than or equal to 0.1 mass %.

A microwave plasma gasification and recycle integrated system for domestic garbage. The system is fixed in a garbage truck compartment with a garbage inlet, and includes a closed chain-plate type feeder, a shredding machine, and a closed magnetic separator which are connected in sequence. The magnetic separator is further separately connected to a microwave plasma gasification furnace and a metal recycle tank. The microwave plasma gasification furnace is further separately connected to a stink processor, a plastic residue recycle tank, an integrated sewage treatment device, and a residue smashing machine. The stink processor is connected to a gas recycle tank. Both the residue smashing machine and the integrated sewage treatment device are connected to an aerobic fermentation tank. The aerobic fermentation tank is connected to a decomposed material recycle tank by means of a decomposed material forming and screening machine.

A microwave plasma gasification and recycle integrated system for domestic garbage. The system is fixed in a garbage truck compartment with a garbage inlet, and includes a closed chain-plate type feeder, a shredding machine, and a closed magnetic separator which are connected in sequence. The magnetic separator is further separately connected to a microwave plasma gasification furnace and a metal recycle tank. The microwave plasma gasification furnace is further separately connected to a stink processor, a plastic residue recycle tank, an integrated sewage treatment device, and a residue smashing machine. The stink processor is connected to a gas recycle tank. Both the residue smashing machine and the integrated sewage treatment device are connected to an aerobic fermentation tank. The aerobic fermentation tank is connected to a decomposed material recycle tank by means of a decomposed material forming and screening machine.

A device suitable for recycling horse bedding, the device including a shaker table with a receiving surface arranged to receive the bedding; a duct having an inlet and an outlet; a first airflow generator arranged to lift bedding elements from the horse bedding upwards towards the duct inlet; a second airflow generator arranged to transport the bedding elements within the duct, the duct being shaped to define an inlet transportation region in which the second airflow causes the bedding elements to be drawn from the duct inlet, along a portion of the duct; a suspension region in which the second airflow causes the bedding elements to be suspended within the suspension region of the duct; and an outlet transportation region in which, in the absence of the second airflow, the bedding elements fall due to gravity towards the duct outlet; and one or more UV light sources arranged within the duct to emit UV radiation into the suspension region.

Provided is a method for treating a used absorbent article, this method being hygienic and capable of recovering recyclable material with a high degree of safety. This method for treating a used absorbent article is characterized by including (a) an acidic electrolyzed water treatment step that treats the used absorbent article in a treatment tank that has acidic electrolyzed water serve as a treatment fluid. This method preferably further includes (b) an alkaline electrolyzed water treatment step that treats the used absorbent article in a treatment tank that has alkaline electrolyzed water as a treatment fluid.