A crushed polycrystalline silicon lump is provided in which a surface metal concentration is 15.0 pptw or less and preferably 7.0 to 13.0 pptw, and in the surface metal concentration, a surface tungsten concentration is 0.9 pptw or less and preferably 0.40 to 0.85 pptw, and a surface cobalt concentration is 0.3 pptw or less and preferably 0.04 to 0.08 pptw.

A machine for distributing loosefill insulation material from a package of compressed loosefill insulation material. The machine includes a chute having an inlet end and an outlet end. The inlet end receives compressed loosefill insulation material. The chute has a first portion and a second portion. The first portion forms an angle with the second portion. A shredding chamber receives the compressed loosefill insulation material from the chute. The shredding chamber forms conditioned loosefill insulation material. A discharge mechanism is configured to distribute the conditioned loosefill insulation material into an airstream. A blower provides the airstream. The angle between the first and second portions of the chute is configured to form a bend in the package of compressed loosefill insulation material. The bend in the package of compressed loosefill insulation material is configured to control the descent and direction of the loosefill insulation material entering the shredding chamber.

A machine for distributing loosefill insulation material from a package of compressed loosefill insulation material. The machine includes a chute having an inlet end and an outlet end. The inlet end receives compressed loosefill insulation material. The chute has a first portion and a second portion. The first portion forms an angle with the second portion. A shredding chamber receives the compressed loosefill insulation material from the chute. The shredding chamber forms conditioned loosefill insulation material. A discharge mechanism is configured to distribute the conditioned loosefill insulation material into an airstream. A blower provides the airstream. The angle between the first and second portions of the chute is configured to form a bend in the package of compressed loosefill insulation material. The bend in the package of compressed loosefill insulation material is configured to control the descent and direction of the loosefill insulation material entering the shredding chamber.

There is provided a means capable of recovering a valuable material such as cobalt and nickel, with a low grade of a metal derived from a negative electrode current collector, a low grade of fluorine, and a low grade of a material derived from a negative electrode active material. A method for recovering a valuable material from a lithium ion secondary battery, is characterized in that it includes: a heat treatment step of performing heat treatment on a lithium ion secondary battery; a crushing step of crushing a heat-treated object obtained through the heat treatment step; a classification step of classifying a crushed object obtained through the crushing step into a coarse particle product and a fine particle product; and a wet magnetic separation step of performing wet magnetic separation on the fine particle product obtained through the classification step.

There is provided a means capable of recovering a valuable material such as cobalt and nickel, with a low grade of a metal derived from a negative electrode current collector, a low grade of fluorine, and a low grade of a material derived from a negative electrode active material. A method for recovering a valuable material from a lithium ion secondary battery, is characterized in that it includes: a heat treatment step of performing heat treatment on a lithium ion secondary battery; a crushing step of crushing a heat-treated object obtained through the heat treatment step; a classification step of classifying a crushed object obtained through the crushing step into a coarse particle product and a fine particle product; and a wet magnetic separation step of performing wet magnetic separation on the fine particle product obtained through the classification step.

A machine for distributing material from a package of compressed loosefill insulation material is provided. The machine includes a chute having an inlet end and an outlet end. The inlet end is configured to receive compressed loosefill insulation material. A lower unit has a shredding chamber configured to receive the compressed loosefill insulation material from the outlet end of the chute. The shredding chamber includes a plurality of shredders configured to condition the loosefill insulation material. The shredders include a shredder shaft and a plurality of vane assemblies. The vane assemblies are oriented such that adjacent vane assemblies are offset from each other by an angle of about 45° to about 75°. A discharge mechanism receives the loosefill insulation material exiting the shredding chamber and distributes the loosefill insulation material into an airstream and a blower is configured to provide the airstream flowing through the discharge mechanism.

A machine for distributing material from a package of compressed loosefill insulation material is provided. The machine includes a chute having an inlet end and an outlet end. The inlet end is configured to receive compressed loosefill insulation material. A lower unit has a shredding chamber configured to receive the compressed loosefill insulation material from the outlet end of the chute. The shredding chamber includes a plurality of shredders configured to condition the loosefill insulation material. The shredders include a shredder shaft and a plurality of vane assemblies. The vane assemblies are oriented such that adjacent vane assemblies are offset from each other by an angle of about 45° to about 75°. A discharge mechanism receives the loosefill insulation material exiting the shredding chamber and distributes the loosefill insulation material into an airstream and a blower is configured to provide the airstream flowing through the discharge mechanism.

A method is for recycling a roll of artificial turf. The method includes the steps of processing the roll of artificial turf to yield a mixture of a quantity of infill and a quantity of synthetic fibers, the quantity of infill having rubber, sand, and debris, passing the mixture through one or more screens to extract a percentage of the quantity of synthetic fibers from the mixture and yield a first remaining mixture, and substantially separating the first remaining mixture into pieces of rubber of a first volume, pieces of rubber of a second volume greater than the first volume, sand, debris, and the remaining percentage of the quantity of synthetic fibers.

A method is for recycling a roll of artificial turf. The method includes the steps of processing the roll of artificial turf to yield a mixture of a quantity of infill and a quantity of synthetic fibers, the quantity of infill having rubber, sand, and debris, passing the mixture through one or more screens to extract a percentage of the quantity of synthetic fibers from the mixture and yield a first remaining mixture, and substantially separating the first remaining mixture into pieces of rubber of a first volume, pieces of rubber of a second volume greater than the first volume, sand, debris, and the remaining percentage of the quantity of synthetic fibers.

A metal recovery method includes crushing a photovoltaic module or a photovoltaic sheet-like structure to form debris; and sorting the debris, wherein the photovoltaic sheet-like structure is obtained by removing a glass substrate and a frame member from the photovoltaic module, and includes at least a photovoltaic cell, a metal pattern wired from the photovoltaic cell, and an encapsulant to encapsulate the photovoltaic cell and the metal pattern.