Greener Detergents – Gold-Based Catalysts for the Production of Ether
.Johann 1. Ulf Production Greener .Clariant 2. *
corr. Conclusion Results Experimental Introduction Bundesallee
Prüße
Author: ...... AuPt/CeO scheme Reaction catalyst Optimised conditions preparation of Variation optimisation Catalyst
umr aaytcomparison Catalyst Summary Heinrich
Broad tions, Satisfactory Excellent from lyst Optimized ether Non carboxylic Pt Current Here Au/TiO hooctcacid, chloroacetic Produkte aeRnActivity n R name PEG PEG PEG PEG uydgyo butyl + Hexanol Butyldiglykol Genapol Octanol Genapol Sapogenat R ‐ 1* ‐ lcl (PEGs), glycols Oxidation orsodn te abxlcacids carboxylic ether corresponding e mrgainmethod impregnation wet CeO uP ratios Au:Pt metal preparation supports 0.1% a ayn ciiybtawy xeln eetvt o a for substrates selectivity of variety excellent broad always but activity Varying
(O & 50, EMail in
, ‐ M M S M toyaeehrcroyi acid carboxylic ether ethoxylate
ionic
mlmin mmol we ‐
Katharina
Pd
2000 carboxylic
no CH
range 38116 2 von 5 methyl 350 0 methyl 500 00methyl 1000 2
+
AuPt(90:10) ssupport as (Deutschland)
LA LA ‐ production
loadings shows
2
show based 7 metal
7 patent
‐ selectivity
T
Thünen
CH ‐
surfactants
1 Detergents Ooctyl EO acids 3 lauryl 030 7 lauryl 070 Ohexyl EO
catalyst g 2 (Al 8 tributylphenyl 080
Me Braunschweig/Germany,
long
of 2 o xdto fvrossubstrates various of oxidation for ‐ fpiayachlfnto fpolyethylene of function alcohol primary of 1
) 2 (100:0 methods n
O
a
‐
ether better catalysts leaching
OH 3
‐ via
(0.05 literature ‐ acids new Institut , of
Heidkamp
term
alkyl TiO incomplete
AuPt/CeO ea loading metal
GmbH, active, ‐ process: (>
2
cat/O
0:100) carboxylic environmentally
, –2
such
activity, ‐
which (IW,
‐ Ether 99 AC, stability (vTI), PEGs H~520> 210 ~45 OH
if show wt.
2 84504
‐ %) ‐
‐
‐ ‐ CeO
ceria DP ‐ ‐ ‐
selective
as Institute ‐
rftyakhlehxltsto ethoxylates alkohol fatty or %) 1 belong Williamson’s of
2
‐ R Urea/NaOH, ,
fatty conversion 2
high opt. only
, ‐ Memet
Burgkirchen, under
all (O BaSO is acids HR
‐ ‐
1 9 > 495 ~11 2 4 > 145 ~22 used TEM
62> 2 ~6 745> 495 ~7 31 > 12 ~3 720> 260 ~7 gold
CH
‐ fArclua Technology Agricultural of
2 > 220 2 4 > > 145 375 7 7
130x selectivity alcohol Carboxylic moderate
–Gold
of and to 4
2
the
, accessible ‐ continuous
sound Y CH
‐ optimized
the
as based 2 Aytemir
O as stable
2 wet
and
Germany 3 ) ether support
n ,…)
group catalyst toyae constitute ethoxylates active ‐ 1 ‐
fundamental imp.) O
by selectivity,
but catalysts AuPt/CeO
a ‐ ceria CH
synthesis ‐ by
1 products ‐
of
‐ as flow , Selectivity shows 2 2
‐ opt. Klaus this based
COOH
anionic ‐
a
supported 99 99 99 99 99 99 99 99 99 99
Pt condi
% % % % % % % % % route %
n Biosystems and
‐
‐ still low cata ‐
with
Dieter
and technology ac sur T)Continuous STR) (slurry Batch conditions reaction and Reactors Acids
surfactants. ‐
metal activity ‐
corrosion ecologically
gold
Catalysts
Vorlop the
leaching Me Parameter eetvt 85 Selectivity Activity b a Long c ‐ ne piie ecincniin o eao LA070 Genapol for conditions reaction optimized under in
from
platinum Engineering, and
mlmin mmol
second ‐ for ecigsgiiatsalrdcdn no no reduced small significant leaching
Oxidation residence patent eetvt o E 00oiain>9 % analysis 99 TEM > oxidation 1000 M PEG for Selectivity long Good ICP
100
conversion [%] through 1
insufficient b ‐ 20 40 60 80 the , emsaiiysuis(trickle studies stability term
‐
literature ‐ 0 1 questionable Nicolle E analysis OES
g (Heidkamp Me 1020304050600
‐ largest 1 oxidation
catalysts c
...... Batch
0 for ae cats based 0w%T:°C 100 wt% : 10
1
Pt
00rpm 1000 p(O °C 80 (titration) 11 pH catalyst g 25 5–20%substrate size charge g 1000 time fPEG of alformation NaCl comparable ‐ ‐
emsaiiy@vrigcniin o 7days 57 for conditions varying @ stability term
–95 < Schwarz & 2
res. time: 3 min 3 res. time:
class 210 :8bar 8 ): stability
Pd
for =
%> 34 23
et of ‐
fatty
18 osneigo ea particles metal of sintering no M chlorinated a
of al. fatty alcohol
1000 min, osgiiatmtllahn detected leaching metal significant no Au/TiO
detergents.
2 Eur. due
the
99 toyae and ethoxylates ‐ alcohol
c
pH %> @
time [d] J. 2 to
Lipid c = Parameter: 16
over 0 substrates, AuPt/TiO
ml, 13, =
reaction
flow toyae to ethoxylates 40 99 5
Sci. They ‐
variations
gas c
wt%, oxidation T %>
= = conditions
20–100 6–6000
2 Technol. ‐
can bed)
AuPt/CeO T 57
‐ res. time: 3 min 3 res. time:
°C, ml, lwtrickle flow excess
=
p
flow
60
= 99 81068 be 100°C,
1–30
see and liquid c
%>
oxidized
112
bar, = 24 bar ether
0.06–600
2 use
diagram p: 9
V leaching total 8 bar
p 2010 AuPt/CeO p: =
of
138
= ‐ ml bed 260
opt.
99
18
ml, to
51) V c %
cat
bar, =
2