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Mechanized separation of wet and dry materials in a solid waste stream

A solid waste and solid waste technology, applied in the field of producing a large number of discarded products and methods, can solve the problems of low energy balance, waste, and low efficiency of the recycling system

Active Publication Date: 2013-12-25
ORGANIC ENERGY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, the energy balance of many recirculation systems is below average or, in some cases, negative
For example, many recycling systems tend to misdirect recyclable material, which reduces the efficiency of downstream processing and wastes some of the valuable energy and / or material that could be recovered from recycled waste.
In other cases, the process of recycling, transporting, and reusing reusable materials is so inefficient that the energy consumed by these processes is greater than what could be saved by simply dumping waste into landfill and using the raw materials to make new products

Method used

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  • Mechanized separation of wet and dry materials in a solid waste stream
  • Mechanized separation of wet and dry materials in a solid waste stream
  • Mechanized separation of wet and dry materials in a solid waste stream

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Embodiment Construction

[0030] I. Introduction and Definitions

[0031] Municipal solid waste ("MSW") (i.e., waste or garbage) is a category of waste material that consists primarily of household waste, sometimes with additional Commercial waste collected by the unit. They are in solid or semi-solid form and generally do not include industrial hazardous waste.

[0032] MSW contains many components that have energy values ​​if properly separated, isolated and processed. For example, MSW can contain large quantities of organic waste materials (e.g., food and kitchen waste, green waste (e.g., yard clippings, plants, vegetation, branches, lawns, etc.), paper, textiles, rubber, plastics, and Recycled materials (such as cardboard and some paper products, glass, ferrous, aluminum and other non-ferrous metals, and certain plastics), and inorganic waste (such as concrete, dirt, rocks, and debris). Rather than grouping nearly all MSW categories together and sending them to landfill or incineration, any and ...

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Abstract

Methods and systems for separating a mixed waste into a wet organic fraction, a dry organic fraction, and an inorganic fraction are achieved by (i) comminuting the mixed solid waste, (ii) fractionating the comminuted stream by size to produce two or more particle-sized waste streams, and (iii) processing one or more of the particle- sized waste streams using density separation to produce an intermediate wastes stream, and (iv) recovering a homogenous product (e.g., a recyclable material or an organic fuel) from the intermediate waste stream.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Patent Application No. 13, entitled "MECHANIZED SEPARATION OF MIXED SOLID WASTE AND RECOVERY OF RECYCLABLE PRODUCTS," filed August 30, 2011 / 221,637, the above patent application claimed on November 24, 2010 entitled "MECHANIZED SEPARATION OF MIXED SOLID WASTE AND RECOVERY OF RECYCLABLE PRODUCTS" 61 / 417,216, the disclosure of which is hereby incorporated by reference in its entirety. Background technique [0003] 1. Technical field of the present invention [0004] The present invention relates to a system and method suitable for waste reuse and transformation. More specifically, the present invention relates to the reuse and conversion of solid waste, such as originating from household and commercial waste. [0005] 2. Related technologies [0006] Commercial, industrial, and residential consumers generate large quantities of discards and waste (ie, municipal solid waste) that need to be...

Claims

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Application Information

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IPC IPC(8): B07B13/04B07B13/08B09B3/00
CPCB03C1/18B03C1/247B03C1/30B03C2201/18B07B4/02B07B9/00B07B11/04B07B11/06B03B9/06B29B17/02B07B9/02B07B15/00Y02E50/30Y02W30/62Y02W30/52B02C23/14
Inventor 乔治·吉特谢尔
Owner ORGANIC ENERGY CORP
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