N
......
Industry
/production
Water
Specific
wasteSpecific
pollution
Contration
in
the Remarks
consumption
water
production
volumes
effluent
Laundries
Wet
washing
20-60
m 3
/t
20-60
m 3
/t 20-40
kg
BOD7
It 300-800
g
BOD7/m 3
t
=
tonne
of
washing
10-20
kgTot-P/t
1050
g
Tot-P
/m 3
Laundries
using
countercurrent
wash
have
approx.
70%
lower
water
consumption
but
the
same
emission
of
poilution
(kg
BOD? It)
Caution:
High
temp.
Galvanic
industries
20-200
l/m 2
20-200
l/m 2
3-30ghm/m 2
Before
own
treatment m 2
=
m 2
surface
area
hm
=heavy
metals
< 1
m 3
/h*
2-20gCN/m 2
approx.
150
g
hm/m 3
*50%
of
all
galvanoindustries
have
a
flow
< 1
m 3
/h.
max.
10m 3
/h
approx.
100
g
CN/m 3
Caution:
Solvents,
cyanide,
extreme
pH-value,
heavy
meBefore
own
treatment tals,
complex
builders
1-10ghm/m 3
0.1-0.5
gCN/m 3
Electrical
circut
industries
0.5-1.5
m 3
I m 2
0.5-1.5
m 3
I m 2
100-200
g
Cu/m 2
100-200
g
Cu/m 3
m 2
=
m 2
laminate
05
gSn/m 2
05
gSn/m 3
05gPb/m 2
05
g
Pb/m 3
Photo
labs
0.5-1.5
m 3
I m 2
0.5-1.5
m 3
I m 2
200-400
g
BOD? /m 2
400-700
g
BOD?/m 3
m 2
=
m 2
emulsion
50-100
gEDTA/m 3
There
are
large
variations
in
the
pollution Caution:
Damage
to
the
skin
by
contact,
allergic
reactions
Printing
houses
30-40
m
3 /d
30-40m 3
/d
approx.
7 kgZn/d
170-230
g
Zn/m
3 The
expenses
are
based
on
an
investigation
made
in
the
approx.
0.04
kg
Ag/
d
1.0-1.3
gAg/m 3
trade.
The
table
shows
an
average
printer
with
a
water
approx. O.Q3
kg Cr
I d
0.8-1.0
gCr/m 3
consumption
of
30-40
m 3
I day
approx. O.Ql
kgCd/d
0.2-0.3
gCd/m 3
Caution:
Solvent,
acids
Car
repair/wash
Cars
approx.
400
1/ (Lt)
Caution:
Solvent
approx.
200
1/ (Ht)
Lt =
Low-pressure
washing
J.orries
approx.
1200
1/ (Ht)
Ht
=
High-pressure
washing
Table
1.3 Industrial
wastewater.
Specific
production
and
concentration.
1
kg
BOD? corresponds
to
approx.
0.85
kg
BOD
(BODs).
From
/12/
.
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