A plant for the processing of waste includes an outer housing and a grinding cell, in which a grinding chamber is defined having at least one inlet opening for introducing the waste to be processed, and at least one outlet opening for discharging the material resulting from waste processing. The openings are associated with a corresponding closure element, adapted to isolate the grinding chamber from the outer environment. The outer housing defines therein a space receiving the grinding cell and integrally surrounds the grinding cell, and in which the space is accessible through at least one door.

Provided is a method of processing a plastic, the method comprising introducing a plastic slurry having particles with a particle size of less than 20 mm into a macerator, the macerator comprising an inlet configured to receive a flow of plastic slurry, an outlet, three or more concentric bodies that rotate relative to each other, each body comprising a plurality of apertures to define a flow path through each body, wherein the plastic slurry traverses the flow path from the inlet to the outlet via the at least one aperture of each body to produce an outlet plastic slurry. Also provided are systems for processing plastic, comprising the macerator. Also provided are methods of manufacturing a composite wood product that comprises plastic particles.

A food recycler can include a case having a case volume between 8.79 liters and 35 liters, a control system, a user interface in electrical communication with the control system, and a bucket being configured with a bucket volume, wherein a ratio of the bucket volume to the case volume is between 0.0717 and 0.2857. The recycler can include a motor in communication with the control system, the motor being configured adjacent at least in part to the bucket, a gearbox configured below the bucket and in mechanical communication with the motor, a filter system having at least one filter and configured to receive air from a top portion of the bucket and a drying component configured to remove water from waste food items.

A food recycler includes a case, a control system within the case, and a set of user interface components that are usable to at least cause the control system to initiate a food recycling cycle. The food recycler also includes a motor within the case and a bucket that has a volumetric capacity between 2.51 and 10 liters. A filter system configured to accommodate air filters is also included in the case of the food recycler. To remove water from waste food items, the food recycler includes a drying component.

In one embodiment there is provided a system and device for composting food waste and non-food waste compostable biopolymer materials together to create a compost.

An energy-saving and environment-friendly garbage disposal box capable of dispersing garbage, applicable to various areas, includes a domestic garbage disposal unit, a recyclable garbage disposal unit and a plastic garbage disposal unit. A pedal mashing device is provided to a rear portion of the domestic garbage disposal unit. The garbage disposal box is covered by solar panels and a computer display. An auto electronic weighing plate is provided to top the garbage disposal box. A set of mashing cutters is disposed inside the garbage disposal box to connect spatially with a fermentation area, and an organic fertilizer area is located under the fermentation area. The recyclable garbage disposal unit is furnished with a garbage entrance at an upper portion thereof and three external drawers corresponding to three recycle chambers. The plastic garbage disposal unit covered by solar panels is furnished thereinside a gravity compression iron and a battery set. The garbage disposal box provided by this patent disclosure and featured in flexible garbage dispersing functions can resolve environmental degradation caused by garbage piling and environmental pollution caused by the current garbage disposal means, and can also provide a possibility to maximize the garbage utilization rate.

Methods and apparatus for shredding cooling tower debris are provided herein. In some embodiments, a method of preparing debris for disposal includes: receiving debris from a cooling tower; processing the received debris through a low RPM shredder to reduce the size of the debris; depositing the reduced size debris onto a conveyor; and moving the debris along the conveyor and depositing the debris into a receptacle.

The invention relates to a crushing apparatus (1) for crushing material to be crushed, especially for use in the field of recycling and waste processing, with at least one crushing roller (2) that can rotate about an axis of rotation (3), at least one drive device (4) for driving the crushing roller (2), and a frame (5) for supporting and mounting the crushing roller (2) and the drive device (4). According to the invention, it is provided that the crushing roller (2) and the drive device (4) form a common assembly connected to at least one damping device (16), which is frictionally and/or elastically mounted in or on the frame (5).

A food recycler can include a case having a case volume between 8.79 liters and 35 liters, a control system, a user interface in electrical communication with the control system, and a bucket being configured with a bucket volume, wherein a ratio of the bucket volume to the case volume is between 0.0717 and 0.2857. The recycler can include a motor in communication with the control system, the motor being configured adjacent at least in part to the bucket, a gearbox configured below the bucket and in mechanical communication with the motor, a filter system and a drying component configured to remove water from waste food items.

A method for treating waste printed circuit board includes carbonizing waste printed circuit board together with a calcium compound at 400° C. to 600° C. in a non-oxidizing atmosphere to fix a halogen contained in the board as calcium halide and to melt a solder of the board to allow mounted parts to be easily separated from the board, performing crushing after the carbonizing, and sieving crushed materials into fine particles of less than 0.5 mm containing the calcium compounds, medium particles containing the mounted parts, and coarse particles containing board pieces such that the crushed materials are sorted into the calcium compounds, the mounted parts, and the board pieces.