- 期刊
- OpenAccess
A Cost Effective Design of Water Purification System for Pharmaceutical Industry
並列摘要
Pharmaceutical water treatment requires removing contaminants from municipal drinking water to meet The United States Pharmacopeia (USP) standards. There are two basic types of pharmaceutical water; water for topical use or cleaning (sterile purified water, or PW), or water for injection (WFI) which includes sterile water for irrigation and most sterile water for inhalation. For PW, USP guidelines require a conductivity limit of 0.6-4.7μS/cm, and a bacteria-count limit of 100cfu/mL. The main difference between PW and WFI is the amount of bacterial contamination allowed, measured by colony count and by endotoxin level. This paper presents a cost effective design of water purification system for pharmaceutical industry, especially in the perspective of Bangladesh. Programmable logic controller (PLC) based design is used for this purpose. The conventional water purification plant costs around US$ 120000 whereas the proposed plant costs only US$ 8000.
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