Document Z4ERXLm6mG2k9r16gdaQ0z5QO
Chemical properties
Incineration high temp. Properties of PTFE
C2F4 F C Al
C2F4 + 2 H2O + O2 ==> 2 CO2 + 4 HF
Density Melting point Reactivity Temperature of use Toxic reaction products
Mass Flow PTFE Flow
Liquid semi-product PTFE content in the semi-product Part on the surfaces Part remaining in the baths
PTFE on the product
PTFE worn out PTFE to aluminium recycling (end of life) PTFE to MSWI (end of life) PTFE to landfill (end of life)
100 g/mol 19 g/mol 12 g/mol 2.7 t/m3
2.2 t/m3 327 C
cold = inert < 260 C > 400 C
40 kg/a 45 % 30 % 70 %
5.4 kg/a
18.75 % 61.25 %
10 % 10 %
PTFE in waste water
Estimation of damages
Env. Impact factors
Fluorides into the waste water HF into atmosphere Use of MSWI Toxic FHC's into the atmosphere (H4C2F2) Use of landfill (CH) Use of landfill (UTD, germany)
12.6 kg/a
3.2 UBP/g F 13.3 UBP/g HF 594 UBP/kg Abfall 6500 UBP/g
36 UBP/L 142 UBP/g
Load balance Monetarisation Accumulated damage
Use of 40 kg/a liquid semi-product Use of 40 kg/a liquid semi-product
1 t CO2 - Emission 1 t CO2 - Emission
Use of 40 kg/a liquid semi-product
Esimation of benefits
The typical piece
Coated surface Mean density of PTFE Typical piece, L Typical piece, B Typical piece, H Typical piece, volume Typical piece, weight Typical piece, surface Typical piece, PTFE weight PTFE concentration in typical piece Nr of typical pieces Weight of all typical pieces
39,770 UBP/a 37,105,361 UBP/a
1,000,000 UBP 150 CHF
5,566 CHF/a
18,000 m2/a 0.300000 g/m2
10.0 cm 8.0 cm 1.0 cm
0.000080 m3 216 g
0.0196 m2 0.005880 g
27 mg/kg 918,367 198,367 kg
Types of benefits
Lubrication properties ... whereof critical (no more product) Chemical resisntence Altefco turnover
80 % 60 % 20 % 4.5 Mio CHF
Algorithms for the estimation of benefits
Turnover of the client going down because product is no more possible (e.g. blood pump)
Nr of typical pieces in machines
551,020
A
Turnover of Altefco with these pieces
2,700,000 CHF
Turnover ratio
0.01
Lost turnover of machines
270 Mio CHF
Due to missing lubrication properties pieces will have a shortet lifetime
B
B
C D Aggregated benefit
Nr of typical pieces in machines Life time with use of PTFE Life time without use of PTFE Price of the piece without PTFE Cost for use of pieces with PTFE Cost for use of pieces without PTFE Benefit due to use of PTFE
Corrosion due to missing chemical resistance Nr of typical pieces in machines Turnover of Altefco with these pieces Turnover ratio Value of the products Corrosion within Benefit due to use of PTFE
Turnover of Altefco
Use of 40 kg/a liquid semi-product
183,673 20 a 5a
0.80 0.90 Mio CHF 2.88 Mio CHF 1.98 Mio CHF
183,673 0.90 Mio CHF 0.30 2.10 Mio CHF 2.0 a 1.05 Mio CHF/a
4.50 Mio CHF/a
277.53 Mio CHF/a
%
76
0.76
24
0.24
100 g C2F4 ==> 80 g HF
COF2, HF
Info Altefco Guess by Altefco Guess by Altefco
PTFE to environment (cold)
PTFE to Al recycling
Al recycling with flue gas (F) treatment Al recycling without flue gas (F) treatment
1.0125 kg/a
3.3075 kg/a
0% 100 %
TEFLON to MSWI => HF => PTFE to landfill (VVEA CH) (cold) PTFE to MeOH sludge
0.54 kg/a 0.54 kg/a 12.6 kg/a
Worstcase estimate Acidification
Derived from AOX (worst case) kofaktoren Schweiz 2021, Tabelle 24 Ecoinvent 3.9.1. municipal solid waste CH kofaktoren Schweiz 2021, Tabelle 36, analog Br kofaktoren Schweiz 2021, Tabelle A kofaktoren Schweiz 2021, Tabelle A
16.4 UBP/kg
case A) only HF but no toxic HFC's case B) only toxic HFC's, no HF
1 kg NMVOC - Emission 1 kg NMVOC - Emission
Use of 40 kg/a liquid semi-product
12000 UBP 9 CHF
27,829 CHF/a
zB. 10 x 8 x 1 cm3
0.030 mg/cm2
Limit for application of the PFAS restriction
50 mg/kg
B A C D
ossible (e.g. blood pump)
Machines that cannot be produced without Altef-/Ematef-pieces 40-50% of ca. 10 Mio CHF for ALTEF und EMATEF
The Altefco piece will cost typically 1% of the cost of the machine
Zero effect Fluorides in the waste water (F-) HF in waste air Alternatively: Toxic FHC's into waste air (p.e. H4C2F2) Use of MSWI's Use of landfills Use of UTD landfill (germany)
1.0125 kg/a 9.99 kg F-/a 0.00 kg HF/a
5.70 kg H2C2F2/a 13.14 kg/a
0.54 kg/a kg/a
UBP = Ecopoints according to the methodology of ecological scarcity
Load
31,956 UBP/a 0 UBP/a
7,805 UBP/a 37,065,600 UBP/a
9 UBP/a 0 UBP/a