A process in which air or oxygen is used to oxidize lead mercaptides to disulfides instead of using elemental sulfur.
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Related Terms |
OXYGEN-KEROSINE BURNER
Liquid-fuel device using a mixture of oxygen and vaporized or ozonizer See ozone generator.
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OXYGEN CUTTING
Any of several types of cutting processes in which metal is removed with or without a flux by a chemical reaction of the base metal with oxygen at high temperatures.
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OZONE GENERATOR
Apparatus that converts oxygen, O2, into ozone, O3, by subjecting the oxygen to an electric-brush discharge. Also known as ozonizer.
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OXYACETYLENE TORCH
A torch that mixes acetylene and oxygen to produce a hot flame for the welding or cutting of metal. Also known as atomized kerosine for combustion.
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LUNG-GOVERNED BREATHING APPARATUS
Abreathing apparatus in which the oxygen that issupplied to the wearer is governed by the wear-er's demand.
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LOW-PRESSURE TORCH
A type of torch inwhich acetylene enters a mixing chamber, whereit meets a jet of high-pressure oxygen; theamount of acetylene drawn into the flame is con-trolled by the velocity of this oxygen jet. Also known as injector torch.
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HYPERBARIC CHAMBER
A specially equipped pressure vessel used in medicine and physiological research to administer oxygen at elevated pressures.
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HIGH-PRESSURE TORCH
A type of torch in which both acetylene and oxygen are delivered to the mixing chamber under pressure.
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IGS
Inert Gas System - a system that introduces a blanket of non-explosive or inert gas on top of cargo in a tank usually consisting of burned stack gases which are low in oxygen. Ship's IGS installation usually consists of:
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ANAEROBIC
A condition in which 'free' or dissolved oxygen is not present in the water.
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