1. A method of removing mercury from gas streams comprising:
heating a mercury-containing material to generate a mercury-containing gas stream;
contacting the gas stream with an iron-containing sorbent; and said heating step taking place at a first temperature that is sufficient to chemisorb the
mercury onto the sorbent.
2. The method of claim 1 whereby the first temperature ranges from about 100-350\xb0 C.
3. The method of claim 2 whereby the first temperature is about 300\xb0 C.
4. The method of claim 1 whereby the iron-containing sorbent comprises iron particles.
5. The method of claim 4 whereby the iron-containing particles are microscopic.
6. The method of claim 5 whereby the iron-containing particles are of a size of 100 mesh or less.
7. The method of claim 6 whereby the iron-containing particles are of a size ranging from about 20-100 mesh.
8. The method of claim 7 whereby the iron-containing particles are of a size ranging from about 30-50 mesh.
9. The method of claim 8 whereby the iron-containing particles are a size of about 40 mesh.
10. The method of claim 1 further including the step of heating the iron-containing sorbent with chemisorbed mercury to a second temperature sufficient to regenerate the sorbent.
11. The method of claim 10 whereby the iron-containing sorbent with chemisorbed mercury is heated to a range of between about 350-500\xb0 C.
12. The method of claim 11 whereby the iron-containing sorbent with chemisorbed mercury is heated to a temperature of about 400\xb0 C.
13. The method of claim 1 whereby the contacting step occurs in a non-oxidizing environment.
14. The method of claim 1 whereby the mercury-containing material is coal.
15. The method of claim 1 whereby the heating and contacting steps occur prior to burning the mercury-containing material.
16. The method of claim 1 whereby the heating step occurs in an inert environment.
17. The method of claim 1 whereby gas flow rate of the gas in the gas stream is between about 100-500 mLmin.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
I claim:
1. For use on an vehicle tilt seat a coupling member for connecting the handle to a lock release actuating shaft of the tilt seat mechanism, said coupling member comprising a relatively short shaft having contiguous first and second portions with outer dimensions, transverse to the length of the shaft, that differ from one another, the larger one of said first and second portions having an unobstructed recess extending a selected distance inwardly from a free outer end of such portion in a direction toward the smaller one of said two contiguous portions, set screw means threaded through an outer wall of said coupling and projecting into said recess for detachably mounting and securely anchoring said coupling on and to said lock release actuating shaft for rotating the same, said smaller one of said contiguous portions being suitably profiled to project into a socket in a conventional handle for the tilt mechanism and cooperate with means in said socket in said handle preventing relative movement of the handle and coupling member when the handle is moved in a direction to rotate said lock release actuating shaft.
2. A method of reconnecting a handle to the lock release shaft of a seat back tilt mechanism on an vehicle seat and wherein such shaft has an outer free end portion that has broken away and thereby preventing reconnecting the handle directly to the shaft, said method comprising:
(a) providing a coupling member as defined in claim 1;
(b interposing said coupling member between said shaft and said handle with the smaller one of said first and second contiguous portions projecting into the recess provided in said handle and the remaining portion of the lock release shaft projecting into said recess in the other one of said first and second portions; and (c) securely anchoring said coupling member to each of said tilt lock release shaft and said handle.
3. In an vehicle seat recliner mechanism having a recline lock release shaft actuated conventionally by a handle attached directly to such shaft the improvement comprising providing a coupling member having a first and second contiguous portions with one such portion being larger than the other in a direction transverse to the length of the coupling and detachably connecting said first and second portions respectively to said shaft and said handle.