Raw Materials and Wastes for Carpet Mill Processes

**Table 7: Carpet Mill Basis: 1 tonne of carpet**
PROCESS	INPUTS			WASTES
	Raw materials	Water	Energy	Liquid	Solid	Gas
Tufting	Synthetic yarn	N.A.
Dye or print	Dye, Auxiliaries See Tables 9,10	See Table 8 (1)	Steam 17.7 GJ [23](2)	Highly Variable (1)		VOC See Table 9
Dry			N.A.	N.A. (1)		Vapours Particulate
Finishing	Finishing Agent (3)	N.A.(1)(3)	N.A.	N.A. (1)	N.A.	Vapour

(1) See Tables 7.1 and 7.2 for global values for water used and waste loads in a carpet mill.

(2) Energy required for dyeing.

**Table 7.1: Amounts of Water Typically used in Carpeting Mills [10] Units: m³/t of wool fabric**
Minimum	Median	Maximum
8.3	46.7	162.6

**Table 7.1: Characteristics of Carpet Finishing Mill Effluents and Amounts of Waste Load Generated (median values) [10]**
Units	BOD	COD	TSS	O&G	Phenol	Cr	Sulphide
mg/l	300	1000	120	-	0.13	0.13	0.14
Kg/t	25.6	2.3	4.7	1.1	11.3	3.4	9.4