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US 4,541,833 AGranted
Coal composition
OwnerWarren B. Muellerinventor
Life of this patent
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Abstract
This invention relates to a quick drying and setting coal binding system which comprises (a) an aqueous solution of SiO.sub.2 /Na.sub.2 O or SiO.sub.2 /K.sub.2 O; (b) a water soluble surfactant; and (c) an organic ester.
Claims9
A coal composition comprising:
- a. coal;
- b. Na.sub.2 SiO.sub.3 from an aqueous SiO.sub.2 /Na.sub.2 O solution;
- c. a water soluable surfactant;
- and
- d. an organic ester having the formula, ##STR2## wherein, R.sub.1 is C.sub.n H.sub.2n+2 or C.sub.n H.sub.2n,R.sub.2 is C.sub.n H.sub.2n+2 or C.sub.n H.sub.2n, and n=1-6.
2 more elements
A coal composition comprising:
- a. coal
- b. K.sub.2 SiO.sub.3 from an aqueous SiO.sub.2 /K.sub.2 O solution;
- c. a water soluble surfactant;
- and
- d. an organic ester having the formula, ##STR3## wherein, R.sub.1 is C.sub.n H.sub.2n+2 or C.sub.n H.sub.2n, R.sub.2 is C.sub.n H.sub.2n+2 or C.sub.n H.sub.2n, and n=1-6.
2 more elements
Dependencies are inferred from the claim text.