US 4,655,932 A · Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials

Abstract

There is disclosed a novel apparatus and process for the complete dewatering of sludge containing hazardous and toxic materials, the stabilization of pathogens and microorganisms contained in the sludge and the disintegration and volume reduction of the resultant solids including a blending chamber for the blending of sludge and a predetermined amount of electrolyte, the partial dewatering of the sludge and electrolyte in a filter unit, the adjustment of the resultant filter cake to a desired thickness and the measurement of the conductivity of the filter cake and the transporting of the filter cake to a disintegration chamber where the filter cake is introduced to an automatically-adjustable source of electrical energy reducing the filter cake to particulate solids and where the filter cake conductivity measurements are communicated to the blending station and the source of electrical energy for the automatic adjustment of same.

Claims14

Dependent claims

A process for the complete dewatering of sludge containing hazardous and toxic materials and stabilization of pathogens, microorganisms and disintegration of the resulting solids and volume reduction of same which comprises:

(a) measuring the conductivity of said sludge;
(b) blending said sludge and a predetermined amount of electrolyte in a blending chamber;
(c) transporting said sludge and electrolyte through a connecting means to a filter unit;
(d) dewatering said sludge and electrolyte in said filter unit;
(e) transporting said sludge and electrolyte from said filter unit to a rolling mill;
(f) rolling said sludge and electrolyte into a filter cake of desired thickness;
(g) measuring the conductivity of said filter cake;
(h) transporting said filter cake into a disintegration chamber;
(i) subjecting said filter cake in said disintegration chamber to an automatically-adjustable source of electrical energy reducing said filter cake to particulate solids;
(j) pulverizing said particulate solids;
(k) simultaneously recording the data of step (g) and communicating said data to steps (b) and (i).

8 more elements

Dependencies are inferred from the claim text.

Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials

Life of this patent

Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials

Life of this patent

Abstract

Claims14