US1455414A - Absorbing and purifying composition - Google Patents

Description

Patented May 15, 1923.

JOHN G. TATE, OF OAKLAND, CALIFORNIA.

ABSORBING AND PURIFYING COMPOSITION.

No Drawing.

To all whom it may concern:

Be it known that I, JOHN C. TATE, a citizen of the United States, and a resident of the city of Oakland, county of Alameda, State of California, have made a new and useful inventioni-to wit, Improvements in Absorbin and Purifying Compositions; and I do Tiereby declare the following to be a full, clear, concise, and exact description of the same.

The present invention relates to a modification of the absorbing and purifyin composition described in my Letters 1 granted July 13, 1920, under No. 1,346,349, having the object of reducing the proportions and quantities and the combinations of the ingredients forming the composition.

This invention relates particularly-to an absorbent composition or substance, consisting of either, the combination of mineral and vegetable matter, or a mineral substance and a binder, or a vegetable substanceand a binder, or any one of the substances alone, which will absorb, Wholly or in part, the toxic parts of vitiated air or the injurious and objectionable gaseous products resulting from the combustion of hydrocarbon oils or gases.

A further object of the invention is to provide a composition capable of retaining, absorbing and neutralizing moisture, gases and the disagreeable and injurious odors resulting from the combustion of animal and vegetable matter, permitting the combustion of such matter in heating devices within restricted areas so as to not require outlets, flues or ventilation, usually necessary to the conventional type of gas or oil heater for carrying off the waste products of combustion. Other objects and advantages will ap ear as this description progresses.

n this specification, the invention is described in the form considered to be the best, but it is to be understood that the invention is not limited to such form, because it may be embodied in other forms; and it is also to be understood that in and by the claims following the description, it is desired to cover the invention in whatsoever form it ma be embodied. I

'I he burning and combustion of hydrocarbon gases for heating and lighting, p'articularly the coal or water gas used in homes for illuminating and heating purposes,

leaves residuum exhaust gases which contain objectionable by-products 'unhealthful for Application filed April 6, 1922.

atent,

Serial No. 550,205.

human inhalation and odors, create moisture and tend to deface or attackmetallic and painted surfaces and organic materials.

My invention contemplates an absorbent composition adapted to be contained within a suitable closure and to have the noxious exhaust gases (resulting from the combustion of hydrocarbons) to be passed through and in contact with said composition. Carbon dioxid, sulfur gases, water vapor and .the like, contained in the said exhaust gases, will thereby be absorbed or neutralized, such action resulting in the creation and liberation of oxygen and the regeneration and purification of said exhaust gases into clean and wholesome air. In the practical operation of my invention, a heater or stove, utilizing hydrocarbon gases for combustion purposes, would have a container mounted thereon and filled with lumps or particles of my absorbent composition. The exhaust gases from said burner would be passed through the container, into and with contact with the absorbent composition and then discharged into the air to be heated. I have found by directing the course of the heated produce disagreeable gases through the absorbent composition prior to releasing it into the atmosphere,

that the greater part of the toxic constituents of the exhaust gases are absorbed or neutralized, .so that the heated air is released free of all noxious gaseous products and made fit for breathing purposes. The regeneration or purification of the heated gases in this manner eliminates the necessity of air vents to the said stove and makes it possible to do with gas heaters what has been commonly done with other heating appliances that do not generate objectionable gaseous products. The porous nature of the absorbent composition is such that it holds or retains the waste gaseous products, and repeated experiments have shown that the absorbent composition is materially heavier separately or mixed with a mineral binder and filler such as burned gypsum. A small quantity of clay or kaolin may be mixed directly with lime or included as an additional element in combination with the lime and burned gypsum. Likewise, the mineral lime might be mixed directly with either wood charcoal or with the dried corncobs. Similarly, the vegetable absorbent, such as charcoal or the corncobs, might be mixed directly either with the mineral binder and filler, such as burned gypsum, or with clay or kaolin, in lieu thereof. The elements would be mixed in the. following proportions, although it is to be understood that variations in the quantities of said elements clearly come within the purview of this invention: lime, fourteen (14) toeighteen (18) parts; charcoal, one-hall (t) to two (2) parts; burned gypsum, six (6) to ten (10) parts; and kaolin, two (2) to six (6} parts. ,The said approximate proportions would be adbored to when the ingredients would be. used either separately or mixed in any of the combinations previously set iorth.

The elements or ingredients would be preferably mixed in a dry powdered condi-- tion, to which water in suitable quantity would be added to form a workable semisolid mass. The mass would then be shaped or divided into units of any predetermined size and suitably dried. After being dried, the units are hard and porous. The lime of the composition, which "forms the greatest part thereof, acts as a retainer or absorber of water vapor and of the carbon dioxid and sulfur gases. The. kaolin or clay acts in a similar manner and incidentally may beso treated as to act as a deodorant. The burned fi'ypsum when used acts as a hinder or filler or holding all of the. elements together and,

' furthermore, is porous and actsas a mechanical absorbent. The vegetable charcoal or corncob is likewise very dry and porous in body and it also serves as an absorbent gaseous products of combustion comprising 7 a vegetable material and a binder capable of absorbing and retaining moisture, gases and the disagreeable odors resulting from the combustion of animal and vegetable matter.

2. A composition for purifying waste gaseous products of combustion comprising charcoal and a binder capable of absorbing and retaining, moisture, gases and the disagreeable odors resulting from the combustion of animal and vegetable matter.

3. A composition for purifying waste gaseous products of combustion comprising a hard porous mass consisting of a mixture of charcoal and burned gypsum capable oi? absorbing and retaining moisture, gases and the disagreeable odors resulting from the combustion of animal and vegetable matter.

4. A composition for purifying the waste aseous products of combustion comprising rom one-half (g) to two (2) parts by weight of wood charcoal and six (6) to ten- (10) parts by weight of burned gypsum capable of absorbing and retaining moisture, gases and the disagreeable odors resulting from the combustion of animal and vegetable matter.

In testimony whereof, l have hereunto set my hand at San Francisco, California, this 28th day of March, 1922.,

JGHN (l. TATE. In presence of LINCOLN V. Jonusou.