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Title: Method for cleansing noxious constituents from gas streams

Abstract

An apparatus and method for chemically altering and scrubbing the noxious constituents from foundry core manufacturing and arc welding operations is disclosed. An upstanding closed container is provided and a gas washing liquid is disposed within the container to a predetermined level. A horizontal baffle is mounted stationarily within the container at an elevation spaced above the level of the gas washing liquid therein and spaced peripheral portions of the baffle are spaced inwardly of the opposing inner surface of the container. A gas drive pipe extends into the container, downwardly past the baffle , and opens downwardly in a central lower portion of the container, below the baffle and near the bottom of the liquid. The container includes a top cover and an outlet duct is provided which opens outwardly of the container through a central portion of the cover. The gases are pumped into the drive pipe to achieve a critical velocity at the exit of the drive pipe of about 2, 300-20,000 linear feet per minu entering the liquid in a substantially vertical downward direction within the critical velocity range, small gascontaining bubbles, on the order of 1/8 - 3/8 inches in diameter, are formed as themore » gas stream rises, which bubbles impact against the horizontal baffle. The high velocity gases impart sufficient kinetic energy to the system to enable the necessary chemical reactions and scrubbing to proceed.« less

Inventors:
;
Publication Date:
OSTI Identifier:
5058954
Patent Number(s):
US 4330510
Assignee:
EDB-82-145425
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 7 Sep 1979; Other Information: PAT-APPL-073437
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; FOUNDRIES; AIR POLLUTION CONTROL; POLLUTION CONTROL EQUIPMENT; DESIGN; BAFFLES; BUBBLES; COUNTERFLOW SYSTEMS; FLUE GAS; PH VALUE; PHOSPHORIC ACID; PIPES; SCRUBBING; SULFURIC ACID; TWO-PHASE FLOW; CONTROL; CONTROL EQUIPMENT; EQUIPMENT; FLOW REGULATORS; FLUID FLOW; GASEOUS WASTES; HYDROGEN COMPOUNDS; INDUSTRIAL PLANTS; INORGANIC ACIDS; POLLUTION CONTROL; WASTES; 424000* - Engineering- Pollution Control Equipment- (1980-1989)

Citation Formats

Schauer, D J, and Schauer, J M. Method for cleansing noxious constituents from gas streams. United States: N. p., 1982. Web.
Schauer, D J, & Schauer, J M. Method for cleansing noxious constituents from gas streams. United States.
Schauer, D J, and Schauer, J M. 1982. "Method for cleansing noxious constituents from gas streams". United States.
@article{osti_5058954,
title = {Method for cleansing noxious constituents from gas streams},
author = {Schauer, D J and Schauer, J M},
abstractNote = {An apparatus and method for chemically altering and scrubbing the noxious constituents from foundry core manufacturing and arc welding operations is disclosed. An upstanding closed container is provided and a gas washing liquid is disposed within the container to a predetermined level. A horizontal baffle is mounted stationarily within the container at an elevation spaced above the level of the gas washing liquid therein and spaced peripheral portions of the baffle are spaced inwardly of the opposing inner surface of the container. A gas drive pipe extends into the container, downwardly past the baffle , and opens downwardly in a central lower portion of the container, below the baffle and near the bottom of the liquid. The container includes a top cover and an outlet duct is provided which opens outwardly of the container through a central portion of the cover. The gases are pumped into the drive pipe to achieve a critical velocity at the exit of the drive pipe of about 2, 300-20,000 linear feet per minu entering the liquid in a substantially vertical downward direction within the critical velocity range, small gascontaining bubbles, on the order of 1/8 - 3/8 inches in diameter, are formed as the gas stream rises, which bubbles impact against the horizontal baffle. The high velocity gases impart sufficient kinetic energy to the system to enable the necessary chemical reactions and scrubbing to proceed.},
doi = {},
url = {https://www.osti.gov/biblio/5058954}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1982},
month = {5}
}