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Dyestuff waste water purification |
| T965001 |
Dyestuff waste water purification
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| Patent Drawings: | |
| Inventor: |
Carbone, et al. |
| Date Issued: |
December 6, 1977 |
| Application: |
05/768,915 |
| Filed: |
February 15, 1977 |
| Inventors: |
Carbone; John N. (Greensboro, NC)
Dominguez; George S. (Greensboro, NC)
Isharani; Jayanti V. (Greensboro, NC)
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| U.S. Class: |
210/709; 210/736; 210/917; 210/96.1 |
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| Abstract: |
this invention relates to the purification and clarification of a dyestuff and pigment colored waste water by contacting said waste water with an effective amount of a condensation product of formaldehyde and dicyandiamide, and an electrolyte, to coagulate said dyestuff, and removing the resultant coagulate from the waste water. |
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