Haden, Inc.

Haden Schweitzer Corporation

Lantec Products, Inc.

Daniel M St Louis

Jeffrey C Johnson

Ko C Lang

Ricky D Schmidt

The present invention describes a process and an apparatus for treating sludge having both liquid and solid constituents. The sludge is first heated to a minimum optimum draining temperature. During heating, mechanical dewatering of the sludge occurs. In a preferred embodiment, a process is disclosed for treating waste paint sludge generated from a paint spraybooth, and heating is performed using microwave radiation. Liquid released from the paint sludge during dewatering can be recycled back to the spraybooth water, and vaporized exhaust generated during heating can either be condensed into liquid form and recycled, or incinerated and, preferably, sparged through untreated sludge to pre-heat it.

Process for treating sludge using low-level heat

An improved contaminant shield and method for making the shield, including one or more panels constructed of interconnected frame members, such as extruded aluminum, having longitudinal recesses and consisting of substantially closed sections in closed sections in cross-sections. Thin flexible sheeting is inserted within the frame members, and fastening members are used to frictionally engage the recesses and capture the sheeting in seli-tensioned position.

Contaminant shield

Spray paint booth wall

A process for treating paint sludge in which previously cured paint sludge powder is used as a diluent and mixed with wet paint sludge. The paint powder/sludge mixture is agitated and heated to cure the paint sludge. Processing can occur either continuously or in batch mode, and can be accomplished using a mixer charged with heated gases, or a heated mixer.

Method for processing paint sludge

An integrated paint spray booth and air conditioning system and process utilize a spray booth housing, scrubber and filtering chambers located below the housing, and an air conditioning apparatus including an adiabatic saturator. The components are arranged to direct the air flow in the system substantially transverse to the length of the system. The air is conditioned to predetermined psychrometric values by sensing only the temperature of the water entering the saturator and the air exiting the conditioning apparatus.

Integrated paint spray booth and air conditioning system and process

An improved packing body is formed by forming a first end wall of a perforated strip into an interior convolution surrounded by a peripheral convolution containing the second end wall of the strip. The convolution may be in spiral form or concentric polygons such as cylinders joined by connector segments. Baffle elements can project from the surface of the strip at an angle to the longitudinal axis of the packing body. Tapered strip with the large end wall disposed to the interior can be bent into a shape approaching spherical.

Packing

An process for manufacturing a admixture for concrete, mortar or asphalt out of paint sludge is discussed; The preferred embodiment utilizes the chemical drying of paint sludge through the addition of lime. The resulting powder contains a mixture of slaked lime and paint solids and can be used in the formation of concrete, mortar or asphalt.

Process for producing building materials from paint sludge

An improved packing body is formed by forming a first end wall of a perforated strip into an interior convolution surrounded by a peripheral convolution containing the second end wall of the strip. The convolutions may be in spiral form or concentric polygons such as cylinders joined by connector segments. Baffle elements can project from the surface of the strip at an angle to the longitudinal axis of the packing body. Tapered strips with the large end wall disposed to the interior can be bent into a shape approaching spherical.

An improved contaminant shield and method for making the shield, including a frame constructed of interconnected frame members. A double-sided adhesive tape meeting certain temperature-induced and load-induced creep performance characteristics is attached to outside portions of the frame, and flexible sheeting affixed to the adhesive. Single-sided adhesive tape, or other connectors, are applied to seal the joints between the sheets.

Growing community of inventors

West Bloomfield, MI, United States of America

Daniel M St Louis