A process for treatment of biological waste includes passing biological waste liquid downwardly through at least one substantially vertically oriented curtain having a reinforcing layer of support material. Attached thereto is at least one layer of flexible reticulated open cellular material having a plurality of communicating cells which form a support for filamentous micro-organisms and/or symbionts included in the filamentous micro-organisms. The filamentous micro-organisms and/or symbionts f...

The device for treating food wastes comprises a housing which includes a feeding port formed at an upper side of the same for feeding food wastes, a drainage port formed at one side of a lower surface of the same for discharging leachate separated from the fed food wastes, and a discharge hole formed at the other side of the lower surface of the same for discharging dehydrated remnants among the food wastes; an inner casing which is installed at a certain distance from an inner wall of the housi...

A method or processing composite waste including combustibles and incombustibles has a press process for pressing the composite waste, a dry distillation process for performing dry distillation on the pressed composite waste, a shredding process for shredding the composite waste that has been pressed and has undergone dry distillation and a separating process for separating the shredded composite waste into combustible carbide and incombustibles.

The present invention relates to a waste carbonization method which produces charcoal and/or activated carbon from solid wastes, such as wood waste, and renders produced gas completely harmless. Solid wastes B are exposed to gas generated in pyrolysis gasification of other wastes A in a gasification furnace 1 to produce charcoal and/or activated carbon from the solid wastes B.

The invention provided relates to the use of polyvinylpyrrolidone-iodine complexes in combination with gelling agents to produce strong disinfectants which not only physically stabilize biohazardous and infectious wastes but also kill pathogens contained in the wastes. The gelling agents include polyacyrlates that are superabsorbents.

Organic materials such as raw refuse, waste plastics, waste biomass, sludges, etc. are decomposed by the use of supercritical water to selectively produce hydrogen. A thermochemical reaction is promoted to reduce the supercritical water and selectively produce hydrogen, without substantially adding any oxidizing agent to the supercritical water of a specific temperature and pressure, in the presence of a carbon dioxide-absorbing substance in an amount sufficient to absorb all of the generated ca...

A receptacle for liquid medical wastes including an open top vessel having a bottom, an integral upstanding wall (or multiple side walls in one embodiment) defining an upper flanged rim, a lid adapted to cover the open top of the vessel in sealing engagement with the flanged rim, a recess defined preferably centrally of the lid and including an opening through the lid which is disposed centrally of the recess, a closure flap anchored at one of its ends to the top surface of the lid at a spaced a...

An organic waste decomposition system and method is described having two reaction vessels in tandem, each using superheated steam augmented by oxygen for decomposing a wide variety of organic compounds to reduce both mass and volume. Decomposition takes place quickly when a steam/oxygen mixture is injected into a fluidized bed of ceramic beads. The speed of the fluidizing gas mixture agitates the beads that then help to break up solid wastes, and the oxygen allows some oxidation to offset the th...

A method of treating wastes includes partially combusting the wastes in a fluidized bed reactor at a relatively low temperature followed by separate gasification of gaseous material and char from the first gasification in a separate relatively high temperature reactor. This forms synthesis gas that is cooled, subjected to a conversion operation to produce hydrogen.

An apparatus 1 for disposal of wastes comprises a measuring hopper 2 for measuring a charging amount of a waste to be disposed such as domestic wastes, industrial wastes or the like or a charging amount of a solid fuel such as coke, coal or the like, a charging hopper 3 for charging the waste and the solid fuel respectively measured with the measuring hopper 2, a melting furnace 4 for melting the waste charged from the charging hopper 3 at a high temperature to conduct detoxification thereof, an...