Absolute.Za depth filters provide unmatched performance for the chemical process industries. Z.Plex* technology has been used to create a depth filter, which has absolute filtration (99.9% efficiency at the rated micron) and long life. This combination delivers the lowest total operating cost for the most demanding applications in the chemical process industries. A leading manufacturer of ink jet dyes trialed Absolute.Za in their manufacturing process. The company was looking for improved productivity, faster processing and lower total operating cost, while maintaining their customers’ quality requirements. The manufacturing process was a batch operation, which included over 350 different ink dye formulations. Organic solvents used were primarily ketones. Absolute filtration at 0.5 micron was required for ink quality.
Production and purchasing management viewed the performance and cost savings of switching to the Absolute.Za as an "easy decision," and initiated the required steps to implement its use.
2012 GE power and water case study
CLEANER PRODUCTION CASE STUDY IN DYE MANUFACTURING
http://wmc.nic.in/case-studies6.asp
Dintex Dyechem Green Productivity Case Study
ECONOMIC SAVINGS
This resulted in savings of over Rs.16 million (US$ 357,136) a year — from an initial investment of some Rs 17 million (US$379,457).
http://www.apo-tokyo.org/gp/e_publi/gpdp9599/P23_26dintex.pdf
Dye Manufacturing Technologies and pollution
1998 paper
http://www.ifc.org/wps/wcm/connect/2b23c4004885526cab84fb6a6515bb18/dye_PPAH.pdf?MOD=AJPERES
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