Municipal Solid Waste (MSW) Shredders

Durable industrial shredders for household waste and municipal waste recycling
two men collecting household waste by emptying containers
pile of waste from households
WEIMA PowerLine single-shaft shredder shreds waste for the production of alternative fuels
Shredded waste as secondary fuel for the calciner firing
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Residual waste from private households or similar places is anything but just waste – in most cases it's a veritable goldmine of recyclable materials. In Germany alone, more than 50 million tons of municipal waste are generated every year. Waste collection services collect more than 13 million tons of household waste, which still contains high proportions of plastics and paper, even though these materials should be disposed of separately. Particularly robust machines are required for the subsequent processing of all material fractions, as municipal waste is usually full of foreign materials such as stones and metals. WEIMA offers the right shredders for this first process step, shredding, with working widths of up to three meters, many heavy duty options and drive concepts specially designed for these applications. The result: safely and cleanly processed, homogeneous material streams.

Customer applications: Municipal waste and household waste

Practical examples of successful shredding with WEIMA shredders
Municipal solid waste shredding
MSW waste shredders | WEIMA PreCut 2000 and PowerLine 2500 @Sungchang Energy
A WEIMA PreCut 2000 single-shaft shredder pre-shreds municipal solid waste for the production of refuse-derived fuels (RDF). Secondary shredding happens with a WEIMA PowerLine 2500 single-shaft shredder. Both shredders are equipped with a hydraulic drive by Hägglunds Bosch Rexroth.
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Municipal solid waste shredding
RDF production with a WEIMA PowerLine 3000 waste shredder @ EKO-Region, Poland
WEIMA PowerLine 3000 shreds waste for refused derived fuel (RDF) production at EKO-Region in Poland.
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WEIMA PowerLine 2500 Einwellen-Zerkleinerer shreddert Abfälle für die Ersatzbrennstoffproduktion
Municipal solid waste shredding
Communal and Household Waste Shredding with WEIMA PowerLine 2500
A WEIMA PowerLine 2500 single-shaft shredder shreds municipal / domestisc / household waste as a secondary shredder in Poland.
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twin-shaft shredder by weima surrounded by mountains of waste
Municipal solid waste shredding
Bulky waste shredding with a WEIMA M8.28 Pre-Shredder @ Ecology Transport, Italy
A WEIMA M8.28 twin-shaft pre-shredder with hydraulic drive shreds bulky waste, household waste, municipal and industrial waste in Brescia, Italy.
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Aerial view of an orange shredder installed in a warehouse between a crane for filling and a magnetic belt
Municipal solid waste shredding
Waste shredding with a WEIMA PowerLine 3000 in South Korea
A WEIMA PowerLine 3000 single-shaft shredder shreds waste the Taeyung recycling plant in Jeongeup, South Korea.
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An orange shredder at a recycling company in South Korea shreds industrial waste.
Municipal solid waste shredding
Industrial (C&I) and municipal waste (MSW) shredding with a WEIMA S7.30 lift-up shredder in Korea
A WEIMA S7.30 lift-up single-shaft shredder with a hydraulic drive by Hägglunds Bosch Rexroth shreds various kinds of waste for the production of RDF at Daewon Recycling in Gimje, South Korea.
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Portrait of Erik Hagen, Sales Director at WEIMA
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WEIMA portfolio for shredding municipal solid waste

The right machine for every material
Single-shaft shredder
W8 PowerLine series
Performance that pays off. The PowerLine 3000 takes on any form of waste, even contaminated materials. Ideal as a secondary shredder in multi-stage plants: After sorting out materials that are not suitable for RDF, the pre-shredded material can be optimally processed in the secondary shredder. Can be equipped with hydraulic drive, direct drive or power belt drive.
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Single-shaft shredder
W8 PreCut series
The PreCut series is characterized by extremely high throughput rates. PreCut machines are often used as pre-shredders in multi-stage processing plants, but are also suitable as a stand-alone solution. The solid PreCut rotor is particularly resistant to foreign matter thanks to Vautid wear protection. Reinforced side walls make the frame of the shredder extremely solid.
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Single-shaft shredder
W8 FineCut series
Smallest particle sizes, best sales opportunities. The FineCut is the ideal secondary shredder for multi-stage plants. Thanks to high speed, extreme throughputs are realized. The fine particle sizes of the shredded material perfectly meet the increasing demand for ever higher RDF qualities.
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Twin-shaft shredder
M8 series
The WEIMA M8 series with twin-shaft technology is ideal for use as a pre-shredder. It is characterized by high throughput rates with maximum robustness and shreds a wide variety of coarse material streams for further recycling. Typical next process steps are sorting and separation, followed by secondary shredding.
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Heavy duty machine design against increased wear

WEIMA shredders for highly abrasive materials can be equipped with numerous options to protect against wear – for less downtime and lower maintenance costs. The solid machine frame ensures particular robustness. Rotors can be reinforced with Vautid and screens with Creusabro. Optionally, large knives (up to 130 x 130 mm) protect against foreign bodies, Vautid can also secure knife carriers.
To protect the rotor face plates, we recommend replaceable Creusabro wear plates that can be fitted on both sides. The cutting chamber can also be optionally reinforced with replaceable Creusabro plates. For particularly heavy-duty applications, we offer an approx. 20 mm thick, wear-resistant Creusabro screen.

Vautid jacket on a rotor

WEIMA rotor with Vautid protection

Vautid weld on for shredder rotor

Vautid weld-on for shredder rotor

Concha Vautid no rotor PowerLine

Proteção contra o desgaste do rotor Vautid

Proteção contra o desgaste do revestimento do rotor

Revestimento Vautid para pré-triturador

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Shredding of municipal waste & household waste

The most important facts at a glance
pile of waste from households
Refuse derived fuel is transported on excavator shovel
What types of waste are included in municipal | residual waste?
The composition of municipal or residual waste can vary greatly from region to region. In Germany, for example, almost half of household waste consists of biowaste (39.3 percent), followed by hygiene products (13.5 percent). Plastics and waste paper are at a comparable level (6.7 and 5.2 percent, respectively), as are waste glass, metals and wood (4.6 percent, 2 percent and 1.3 percent, respectively). Despite a halving of German residual waste volumes over the past 35 years, however, only 32 percent of residual waste actually belongs in this garbage can. So the correct separation of recyclables still remains a major problem.

Source: Umweltbundesamt
Substitute fuel (RDF) is stored in a silo
How is municipal | residual waste disposed of?
Residual waste garbage cans contain a wide range of recyclable materials and must be recycled by disposal companies in accordance with applicable recycling and waste management laws. For example, many plastics, paper and cardboard can be fed directly into the recycling loop after appropriate sorting. Contaminants/foreign materials are separated. The remaining residual waste stream is finally used for energy recovery in waste incineration plants.
WEIMA shredder shreds waste for refuse derived fuel (RDF) production
Challenges in the shredding of municipal | household waste
Not all household waste is the same. Our municipal waste sometimes contains materials and things that do not belong there – and make processing correspondingly difficult. These include stones, soil, large pieces of metal, sand, ash, or pollutants of various categories. So the better the pre-sorting, the less wear can be expected during the shredding process. Nevertheless, maximum robustness, powerful drives and easy maintenance are and remain the trump cards for industrial shredders in order to avoid unpleasant downtimes. Here, WEIMA can rely on a broad and decades-long wealth of experience.
WEIMA PowerLine shredder
How does the mechanical-biological waste treatment (MBT) work?
Waste that cannot be recycled further is generally either used for energy (incinerated) or treated mechanically and biologically. This means that disposal companies collect household waste, MSW or commercial waste similar to household waste and transport it to a central location for waste treatment, disposal or recycling. Typically, household waste contains a high percentage of organic matter. After coarse screening, it is shredded and then divided into different fractions by screening. The coarse fraction (films, paper, hard plastics, wood, etc.) is usually used as fuel in RDF power plants because of its high calorific value. The fine fraction (organic substances), on the other hand, is usually further biologically treated. Gases produced in this way can be used for energy.
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Good to know.
Member countries of the European Union recycled about half of their municipal waste in 2021.

Source: Euwid

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Practical examples and references: Household waste | Municipal waste Shredder

WEIMA delivers over 1,000 machines every year. Many of them are used for the recycling of household waste. You can find an excerpt of current reference projects here:

EkoPaliwa Chelm, Poland
Ultratech Cement, India
Wonder Cement, India
Solusi Bangun, Indonesia