FACT & SOLUTION

Malaysia is facing big challenges in was management due to the fact that waste generation rates increases and landfill capacities are nearly used up.

Municipal Solid Waste (MSW) is not easy to treat as it contains high content of moisture due to heavy rainfalls (more than 3,000 mm per year) , high air humidity ( above 80%)  and high content of organic material ( more than 50%).

The current practice by disposing of all generated MSW in landfills seems to be impossible because of lacking affordable land and no product value.  The other good alternative is to convert into organic compost fertilizer. However, this will take much time and land space to produce.

The ideal solution is by applying highly efficient & fast drying MSW treatment.

The key to implement this is to have a good drying system to get rid of the high moisture content in the waste to become a good fuel product. The high moisture will add a lot of energy to produce the right product heat value. So any good and more efficient drying system must be in place.

That is where we proposed Drying and Torrefaction using the latest technology of RO2 Thermal Drying * Torrefication System.

The Machine & System Solution to Waste Problem

n  R-O2 torrefaction technology is a patented method that uses dry Super Heat Steam (SHS) as the heating medium, to perform the drying and torrefaction processing

n  The dry SHS medium is uniquely created from water fraction contained in the wet feedstock and is at atmospheric pressure

n  The R-O2 system operates on patented recirculation principles, and uses proprietary thermal recuperative, an off-gas processing system and a patented seal assembly at the input and exit points

Drying Phase :-

n  The patented drying technology operates by creating Super Heat Steam (SHS) for its drying medium.  This SHS is generated solely from the moisture contained within the biomass feedstock being dried

n  The creation of  SHS displaces air/oxygen from the process and creates the inert “airless” or “reduced oxygen” atmosphere for high temperature drying 150ºC

Torrefied Phase :-

n  Directly from the drying process, the waste is transferred into a continuous rotary torrefaction processor via airtight sealed conveyors

n  A mild thermal pyrolysis in a SHS atmosphere (240  - 280°C) converts the waste into BioFuel

n  The BioFuel is then “cooled” to below 130°C for discharge

n  BioFuel is ready for grinding, pulverising or densification

Thermal Recuperation and Off-gas :-

n  The off-gas from the torrefaction process is sent to a thermal oxidisation system for destruction and cleaning before being exhausted to atmosphere free from VOCs

n  The oxidiser operates at around 750 – 800°C and the torrefaction gases are exposed to this heat source for a minimum of one second to effect complete destruction of the VOCs and other organic chemicals.

n  The heat recovered from the thermal oxidation of VOC’s is used as an additional thermal source in the drying process, thus reducing fuel (natural gas/oil) required to indirectly heat the re-circulating drying and torrefaction gases