Table 4: Estimated cost of the components of the homemade device developed to allow effective CO2 recycling.

Product Name Qty Price Total (USD)
Adsorption column (AdC1)* 1 4,000.00 4,000.00
Recording manometer NS163 (Class A2 Ø150 mm, ABNT NBR-14105/98, São Paulo, Brazil)* 1 140.00 140.00
Blocking valve (Autoclave Engineers, 10V2071, PA, USA)* 4 166.00 664.00
Micrometering valve (Autoclave Engineers, 10VRM2812, PA, USA)* 1 466.53 466.53
Heat exchanger with electric resistance to heat the micrometric valve 1 70.00 70.00
Tubing 1/8” (6 m) (Fopil, ASTMA269S, Campinas, Brazil) 1 89.62 89.62
Ferrule 1/8” (Fopil, Campinas, Brazil) 5 3.24 16.2
Connector Tee OD 1/8” (Fopil, ASTMA276, Campinas, Brazil) 2 44.30 88.60
Connector Tee side NPT 1/4” (Fopil, A.276316, Campinas, Brazil) 2 20.13 40.26
Connector OD-NPT (Fopil, ASTMA269TP316S, Campinas, Brazil) 2 11.80 23.60
Silicone hose 14 x 8 x 3 mm (15 m) Ref. MS-207-KNR (Sinergia Científica, Campinas, Brazil) 1 57.74 57.74
Diaphragm gas meter Itrón G1.6 DN20 x 110 mm (Hidrovolt, Campinas, Brazil) 1 75.34 75.34
Total 5.731,53