press HCHO catalyst temp time 1.4 8 4 100 1 2.2 2 4 180 7 4.6 7 4 180 1 4.9 10 7 120 5 4.6 7 4 180 5 4.7 7 7 180 1 4.6 7 13 140 1 4.5 5 4 160 7 4.8 4 7 140 3 1.4 5 1 100 7 4.7 8 10 140 3 1.6 2 4 100 3 4.5 4 10 180 3 4.7 6 7 120 7 4.8 10 13 180 3 4.6 4 10 160 5 4.3 4 13 100 7 4.9 10 10 120 7 1.7 5 4 100 1 4.6 8 13 140 1 2.6 10 1 180 1 3.1 2 13 140 1 4.7 6 13 180 7 2.5 7 1 120 7 4.5 5 13 140 1 2.1 8 1 160 7 1.8 4 1 180 7 1.5 6 1 160 1 1.3 4 1 100 1 4.6 7 10 100 7