Distillery spent wash is one of the 17 most high strength wastewater streams which are described by the Central Pollution Control Board.
It is a wastewater stream generated from the primary column of the distillation process, i.e., the Analyzer column.
The average generation of the spent wash in a distillery ranges between 8 – 10 L/L of alcohol produced.
Spent wash powder
| SIR.NO | PARAMETERS | RESUIT |
| 1 | PH | 7.06 |
| 2 | E.Conductivity | 28.4 mS/cm |
| 3 | Moisture | 2.94 % |
| 4 | Organic Carbon | 34.0 % |
| 5 | Nitrogen as N | 2.39 % |
| 6 | Phosphorus as P205 | 0.44 % |
| 7 | Potash as K2O | 14.57 % |
| 8 | Calcium as Ca | 3.50 % |
| 9 | Sulphur as S | 0.37 % |
| 10 | Mangnesium as Mg | 0.54 % |
| 11 | Iron as fe | 2300 ppm |
| 12 | Copper as Cu | 39 ppm |
| 13 | Manganese as Mn 4 | 476 ppm |
| 14 | Zinc as Zn | 511 ppm |
| 15 | Boron as B | 88 ppm |
| 16 | Sodium as Na | 4770 ppm |
| 17 | Chloride as C | 11510 ppm |
The Following partries are regular Purchase Spent Wash Power
| LOKMANGAL BIO-TECH PVT LTD SOLAPUR |
| MANISHA AGRO AGENCY, CHINCHOLI MIDC SOLAPUR |
| USK AGRO SCIENCES |
| SRPM ORGANICS & CHEMICALS |
| PREMSHEEL AGROTECH INDUSTRIES,NASHIK |
| LEAF BIO CARE AURANGABAD |