Hot solids process having an output suitable for the input to a petrochemical process

Abstract

A hot solids process wherein a predetermined output, which is designed to be suitable for use as an input to a petrochemical process, is capable of being generated through the use of the hot solids process. The mode of operation of such a hot solids process is designed to be such that preferably a portion of the otherwise normally unusable product output, which is produced from a petrochemical process, is designed to be utilized as an input to the hot solids process for purposes of generating from the hot solids process the predetermined output that is suitable for use as an input to a petrochemical process.

1 . A hot solids process capable of generating a predetermined output suitable for use as an input to a petrochemical process comprising:
 providing a first reactor capable of operating as a reducing reactor;   providing a second reactor capable of operating as an oxidizing reactor;   supplying both a sulfur containing carbonaceous fuel and a source of calcium as inputs to the first reactor;   supplying air as an input to the second reactor;   effecting with the source of calcium the capture in the first reactor of the sulfur in the sulfur containing carbonaceous fuel so as to thereby produce CaS in the first reactor;   effecting the discharge as an output from the first reactor of the CaS produced in the first reactor;   supplying as an input to the second reactor the CaS discharged as an output from the first reactor;   effecting the production of CaSO4 in the second reactor from the CaS supplied as an input to the second reactor;   effecting the discharge as an output from the second reactor of the CaSO4 produced in the second reactor;   supplying the CaSO4 discharged as an output from the second reactor as an input to the first reactor;   effecting in the first reactor the generation of a predetermined output suitable for use as an input to a petrochemical process by virtue of the utilization of the CaSO4 supplied to the first reactor from the second reactor both as an oxygen source and as a heat source;   connecting in operative relation to the hot solids process a petrochemical process operable for purposes of producing a usable product output as well as an otherwise normally unusable product output;   effecting the discharge as an output from the first reactor of the predetermined output suitable for use as an input to a petrochemical process produced in the first reactor; and   supplying as an input to the petrochemical process the predetermined output suitable for use as an input to a petrochemical process that is discharged as an output from the first reactor.   
     
     
         2 . The hot solids process as claimed in  claim 1  further comprising selecting as the first reactor a circulating bed reactor capable of operating as a reducing reactor, and selecting as the second reactor a circulating bed reactor capable of operating as an oxidizing reactor. 
     
     
         3 . The hot solids process as claimed in  claim 1  further comprising selecting a portion of the otherwise normally unusable product output from the petrochemical process for use as the sulfur containing carbonaceous fuel in the hot solids process. 
     
     
         4 . The hot solids process as claimed in  claim 3  further comprising supplying as an input to the first reactor of the hot solids process the portion of the otherwise normally unusable product output from the petrochemical process selected for use as the sulfur containing carbonaceous fuel in the hot solids process. 
     
     
         5 . The hot solids process as claimed in  claim 4  wherein the portion of the otherwise normally unusable product output from the petrochemical process supplied as an input to the first reactor of the hot solids process for use as the sulfur containing carbonaceous fuel in the hot solids process comprises petcoke. 
     
     
         6 . The hot solids process as claimed in  claim 3  wherein the portion of the otherwise normally unusable product output from the petrochemical process supplied as an input to the first reactor of the hot solids process for use as the sulfur containing carbonaceous fuel in the hot solids process comprises residual oils. 
     
     
         7 . The hot solids process as claimed in  claim 1  further comprising selecting CaCO3 for use as the source of calcium supplied as an input to the first reactor of the hot solids process. 
     
     
         8 . The hot solids process as claimed in  claim 1  wherein the predetermined output suitable for use as an input to a petrochemical process that is supplied as an input to the petrochemical process from the first reactor of the hot solids process comprises H2. 
     
     
         9 . The hot solids process as claimed in  claim 8  wherein the predetermined output suitable for use as an input to a petrochemical process that is supplied as an input to the petrochemical process from the first reactor of the hot solids process further comprises steam. 
     
     
         10 . The hot solids process as claimed in  claim 1  wherein the predetermined output suitable for use as an input to a petrochemical process that is supplied as an input to the petrochemical process from the first reactor of the hot solids process comprises syngas. 
     
     
         11 . The hot solids process as claimed in  claim 10  wherein the predetermined output suitable for use as an input to a petrochemical process that is supplied as an input to the petrochemical process from the first reactor of the hot solids process further comprises steam. 
     
     
         12 . A hot solids process capable of generating a predetermined output suitable for use as an input to a petrochemical process comprising:
 providing a first reactor capable of operating as a reducing reactor;   providing a second reactor capable of operating as an oxidizing reactor;   supplying both a sulfur containing carbonaceous fuel and an oxide as inputs to the first reactor;   supplying air as an input to the second reactor;   effecting with the oxide the capture in the first reactor of the sulfur in the sulfur containing carbonaceous fuel;   effecting the production of an oxide in the second reactor;   effecting the discharge as an output from the second reactor of the oxide produced in the second reactor;   supplying the oxide discharged as an output from the second reactor as an input to the first reactor;   effecting in the first reactor the generation of a predetermined output suitable for use as an input to a petrochemical process by virtue of the utilization of the oxide supplied to the first reactor from the second reactor both as an oxygen source and as a heat source;   connecting in operative relation to the hot solids process a petrochemical process operable for purposes of producing a usable product output as well as an otherwise normally unusable product output;   effecting the discharge as an output from the first reactor of the predetermined output suitable for use as an input to a petrochemical process produced in the first reactor; and   supplying as an input to the petrochemical process the predetermined output suitable for use as an input to a petrochemical process that is discharged as an output from the first reactor.   
     
     
         13 . The hot solids process as claimed in  claim 12  wherein the oxide is one of a calcium oxide and metal oxide.