Water Recycle, Recovery of Valuable Elements

Overview

Treatment of wastewater from the production process using it as industrial water.

Features

1）The system is designed to achieve the quality required for the application.
2）The production line design can be modified to increase recycling rate.
3) ‘Closed loop’ system with zero discharge can be designed.

Contaminant

Rinse water recycle and treated wastewater recycle

Overview

Valuable elements from the waste liquid are collected or treated for reuse in the manufacturing process.

Features

1) Noble Metals, Rare Metals and Valuable Heavy Metals
　　→Diaphragm electrolysis, selective ion exchange resins, H2S and Method, etc.
2) Nitric Acid and Other Acids
　　→Selective ion exchange resins, ion exchange membrane, etc.
3) Plating Solution to Last Longer
　　→Selective ion exchange resins.

Contaminant

Washing water (wastewater) recycling, wastewater treatment water recycling

概要

重金属廃水の高度処理と金属の回収・リサイクルを可能にするシステム。

特徴

1) 発生ガスをモニターすることにより、化学反応の終点を正確に測定し制御する。
2) 硫化剤を過不足なく添加することで、悪臭ガスの発生を抑制
3) 正確な硫化剤の添加により、コロイド化を防ぐ

対象物質

ニッケル、銅、亜鉛、スズ、水銀など

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