Technologies

Earth, Atmosphere & Environment Sciences

Title:

Extraction of Impurity-Free Sodium Thiocyanate Solvent From Aqueous Solutions in Acrylic Fiber Industry

Area:

Earth, Atmosphere & Environment Sciences

Focus Area:

Water-based Technologies

Status:

Designed and commissioned at CFCL

Patent:

US7314606

Social Benefits:

Acrylic fibre industry generating huge amounts of aqueous effluent stream containing 10-12% sodium thiocyanate (NaSCN) solvent along with color imparting ions, salts and organic compounds such as ?-sulfo propionic acid, ?-sulfo propionitrile. Membrane based nanofiltration (NF) technique for recovering NaSCN from the industrial process solution.

Developing Agency:

CSIR-Indian Institute of Chemical Technology (IICT), Secunderabad, Telangana

Technology Readiness Label:

6

Funding Agency:

Council of Scientific and Industrial Research (CSIR)

Brief Description

Description :

This technology enables recovery and purification of sodium thiocyanate from aqueous solutions, particularly in acrylic fiber industries. It ensures high-purity product recovery while minimizing waste generation. Key Features: • Produces impurity-free sodium thiocyanate • Suitable for acrylic fiber industry applications • Improves resource utilization • Reduces waste generation • Efficient extraction and purification process

Related Technologies