QUESTIONNAIRE FOR
CAUSTIC SODA RECOVERY PLANT DESIGN

This is a questionnaire for woven fabric mercerizing.
If you mercerize knitted goods or yarn, please answer the questions that are applicable to your process, and send us an E-mail or fax with as much as possible other details about your mercerizing, in line with the questions in here.
What is mercerized? woven fabric mercerizing
  knitted goods mercerizing
  yarn mercerizing

Company Details

company name
street (line 1)
street (line 2)
town & postal code
country
telephone no.
fax no.
e-mail
person to be contacted

Mercerizing Production

mercerizing quantity
m/day
OR
m/week
OR
kg/day
OR
kg/week
 
minimum
average
maximum
fabric weight
g/m2
OR
g/lm
fabric width
mm
 
mercerizer speed
m/min
finishing mill operation
hrs/day
average daily merc. operation
hrs/day
average weekly merc. operation
days/week
brand name of merc. machine    
type of mercerizing machine roller type chain type combined type

Mercerizing Process

How is the condition of the goods entering the merderizing machine? (tick any that apply)
raw / grey
desized and washed
 starch based size
non-starch based size
scoured
bleached
yarn died fabric % share of total mercerizing

How is the mercerizing process?
dry-in-wet
wet-in-wet
humidity at entry: % pick-up

Caustic Soda in the Mercerizing Machine

caustic concentration in the impregnation compartment



OR

 ° Baumé
% by weight
concentration control in impregnation ?
automatic manual
caustic concentration in the weak lye
(effluent from stabilizing or chain section)

 

OR

° Baumé
% by weight

concentration control of weak lye ?
automatic manual
flow rate of weak lye
liters/hr
wash water consumption per kg of fabric
liters/kg
concentration of the fresh feed caustic (NaOH)



OR

 ° Baumé
% by weight

Cost figures for economical feasibility study

currency used for the unit cost
cost of caustic soda per kg of caustic soda
concentration of caustic soda % NaOH by weight
cost of steam per ton of steam
cost of electricity per kWh
cost of labor (operator) per hour
cost of sulfric acid
(if neutralization of waste water is by sulfuric acid)		 per kg of sulfuric acid

concentration of sulfuric acid as purchased

 % H2SO4 by weight
cost of carbon dioxide CO2
 (if neutralization of waste water is by CO2)		 per kg CO2