정유 및 화학 산업
SUSTAINABLE AND COST-EFFECTIVE ZLD SOLUTIONS FOR DYE MANUFACTURING
Archroma, a global diversified provider of specialty chemicals for performance textiles, was in need of a sustainable and cost-effective solution to treat its dye wastewater. Gradiant answered with a Zero Liquid Discharge (ZLD) facility featuring the RO Infinity with CFRO and Free Radical Oxidation (FRO) technologies.
요약 정보
위치: Mahachai, Thailand
최종 사용자: Archroma
솔루션: Zero Liquid Discharge
산업: Chemicals
급수 공급원: Dye Wastewater
기술: RO Infinity with CFRO, Free Radical Oxidation
시스템 구성: 6 stages of RO Infinity CFRO and 1 train of FRO
시스템 용량: 1,000 m3 /day
온라인 날짜: November 2023
배달 모델: 디자인-빌드(DB)
도전 과제
Archroma is a global leader in dye manufacturing for the world’s leading apparel brands. Their manufacturing plant in Thailand produces wastewater with high levels of Total Dissolved Solids (TDS) and Chemical Oxygen Demand (COD). The primary challenge was identifying a solution to create a sustainable dye manufacturing process, maximize water reuse, and achieve ZLD. With limited cost-effective options for brine minimization, the client looked to partner with Gradiant to achieve its sustainability goals.
솔루션
To treat a variety of feedwater quality and to achieve ZLD, Gradiant proposed a robust solution featuring 6 stages of RO Infinity with CFRO and FRO. The CFRO system demonstrated it could concentrate brine recoveries up to 95%. The wastewater was then treated by FRO to remove color by oxidizing the organics. This solution also proved successful to remove high TDS and COD, allowing for the dye wastewater to be reused in the manufacturing process, while saving up to 40% CAPEX compared to Ultra-High Pressure RO (UHPRO).
혜택
Gradiant delivered a custom RO Infinity with CFRO system that achieves ZLD, as well as beneficial reuse of the wastewater. The process produces fresh water that contains 24 to 48 times less TDS, and can be reused for dye manufacturing. The FRO technology achieves a colorless brine concentrate stream that can be processed as a by-product for salt preparation and resin regeneration. Gradiant’s RO Infinity is used for the primary solution to reduce fouling and scaling.
영향력 통계
24X-48X
TDS reduction After Treatment
ZERO
무방류 시스템
40%
Up to 40% CAPEX and OPEX Savings in comparison to UHPRO
50%
More than 50% Energy Savings compared to other Brine Minimization Technologies
그림 및 이미지
CFRO Process Flow Diagram
법적 면책 조항
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