. . . . . . . . . . . . . . . . . . . . "chemical"@en . . . . . . . . . "LLNL HRS"@en . "26009338"^^ . . . "LLNL HRS (hot recycled solid) process is an above-ground shale oil extraction technology. It is classified as a hot recycled solids technology."@en . . . . . . . "4580"^^ . "1071177304"^^ . . "LLNL HRS process"@en . . . . "LLNL HRS (hot recycled solid) process is an above-ground shale oil extraction technology. It is classified as a hot recycled solids technology."@en . . . . . .