Process for the treatment of waste products, in particular depuration sludges, comprising: performing an acid oxidizing hydrolysis of an incoming waste charge; performing an alkaline oxidizing hydrolysis of the outgoing charge from the acid oxidizing hydrolysis step; neutralizing the outgoing charge from the alkaline oxidizing hydrolysis step; separating a solid residue, if any, remaining after the neutralization step. The outgoing charge from the acid oxidizing hydrolysis step is subjected to a separation step so as to obtain an acid liquid phase which is sent to the neutralization step of the outgoing charge from the alkaline oxidizing hydrolysis step, and a solid phase which is sent as charge to the alkaline oxidizing hydrolysis step. In this way, it is possible to considerably reduce the volume of the ingoing charge to the alkaline oxidizing hydrolysis step, and therefore the consumption of the alkaline reagent necessary for bringing the pH of the charge to the desired value. At the same time, sending the acid liquid phase to the neutralization step allows to drastically reduce the consumption of acid reagent necessary for the neutralization of the outgoing charge from the alkaline oxidizing hydrolysis step.
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for sewage treatment; Machines for the treatment of sludge and wastewater; Machines for the treatment of water; Machines for the treatment of minerals; Machines for the treatment of waste, namely waste compactors, waste converters, machines for the compression of waste, machines for the crushing of waste, machines for the removal of liquid waste, waste balers; Apparatus for the treatment of sludge and wastewater. Water purification apparatus; Water-filtering apparatus; Water conditioning apparatus; Water filters; Apparatus for waste sewage treatment (installations); Apparatus for the treatment of materials, namely heating apparatus for the treatment of waste materials; Apparatus for the treatment of waste, namely waste incinerators; Apparatus for destroying waste; Water purifying machines; Water filters; Mechanical filters for the treatment of water; Machines for demineralising water. Purification of water; Purification of industrial waste water; Water treatment; Waste water treatment; Water treating; Water purification; Metal treatment; Treatment of sludge and wastewater; Waste treatment; Waste destruction; Rental of machines for the treatment of water, sludge and wastewater,Rental of water purifying apparatus,Rental of installations for the treatment of sludge and wastewater,Rental of water filtration for commercial use. Water testing; Water quality control services; Research relating to the treatment of water, sludge and wastewater, minerals, waste; Research in the field of environmental protection; Consultancy relating to the treatment of water, sludge and wastewater, minerals, waste; Advisory services relating to the safety of the environment.
3.
PROCESS FOR THE DISPOSAL OF WASTES, PARTICULARLY OF SLUDGES DERIVING FROM WASTE WATER DEPURATION
Process for the disposal of wastes, comprising: performing an acid oxidizing hydrolysis of the incoming waste (charge); performing an alkaline oxidizing hydrolysis of the outgoing mass from the stage of acid oxidizing hydrolysis; chemically conditioning the outgoing mass from the stage of alkaline oxidizing hydrolysis by the addition of an acid reagent; separating any undissolved residue. This process, by comparison with other methods and technologies already known and in use, features the following advantages: superior effectiveness in reducing the weight of the waste; superior economy; total absence of ecological, environmental, hygiene and sanitary problems; total safety of personnel employed at the plants; enhancement for agricultural use of any exhausted residue which may be present at the end of the treatment.
