초록 ▼

A new method, system, and apparatus are described for the adsorption and concentration of adsorbable pollutants. The invention allows for simultaneous pollutant adsorption and pollutant concentration. The invention is particularly useful in treating the exhaust of internal combustion engines contain

A new method, system, and apparatus are described for the adsorption and concentration of adsorbable pollutants. The invention allows for simultaneous pollutant adsorption and pollutant concentration. The invention is particularly useful in treating the exhaust of internal combustion engines containing adsorbable pollutants which can be concentrated and then treated to form harmless effluents.

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus for the concentration and abatement of adsorbable pollutants contained in gaseous streams comprising:(a) an inlet conduit for receiving gases;(b) a single means for controlling the gases from said inlet conduit and dividing such gases into a high flow stream

[ What is claimed is:] [1.] An apparatus for the concentration and abatement of adsorbable pollutants contained in gaseous streams comprising:(a) an inlet conduit for receiving gases;(b) a single means for controlling the gases from said inlet conduit and dividing such gases into a high flow stream comprising 70-99% of such gases and a low flow stream comprising 1-30% of such gases between at least a first conduit and a second conduit;(c) a first pollutant adsorption means in fluid communication with said first conduit, said first pollutant adsorption means having inlet and outlet conduits, said first pollutant adsorption means comprising: (i) an adsorbent selected from the group consisting of metal oxides, metal hydroxides and mixed metal oxides, (ii) catalytically effective amounts of a metal selected from the group consisting of Pt, Pd, Rh and mixtures of such metals and (iii) means to inject a reductant into the first pollutant adsorption means;(d) a heating source for heating the first pollutant adsorption means to temperatures sufficient to desorb the adsorbed pollutants;(e) a second pollutant adsorption means in fluid communication with said second conduit, said second pollutant adsorption means having inlet and outlet conduits, said second pollutant adsorption means comprising: (i) an adsorbent selected from the group consisting of metal oxides, metal hydroxides and mixed metal oxides, (ii) catalytically effective amounts of a metal selected from the group consisting of Pt, Pd, Rh and mixtures of such metals and (iii) means to inject a reductant into the second pollutant adsorption means; and(f) a heating source for heating the first and second pollutant adsorption means to temperatures sufficient to desorb the adsorbed pollutants.