Technology / product information

Company B, a manufacturer of electrical connectors, reduced solvent purchase costs by ¥1.47 million/month by recovering 1-bromopropane (nPB) using the REARTH® S Series—cutting both VOC emissions and operating expenses.

■ Background
- Company: B (Electronic Parts Manufacturing)
- Process: Connector terminal cleaning in hoop-type sealing treatment
- Solvent Used: 1-bromopropane (nPB)
- Emission Source: Local exhaust in drying tank
- Challenge: High solvent loss (1.5t/month) and high cost (¥2.24 million/month)

■ Solution: REARTH® S Series Implementation
Morikawa’s S Series organic solvent gas recovery system was installed to capture and recycle vaporized nPB.

■ Results
- Before: 1.6 tons/month used, ¥2,240,000/month solvent cost
- After: 0.55 tons/month used, ¥770,000/month solvent cost
- Cost Reduction: 66% saved—¥1,470,000 per month

■ Benefits for Company B
- Solvent Efficiency: Reduced waste and improved resource use
- Cost Savings: Substantial reduction in monthly solvent spending
- Environmental Impact: Lower VOC emissions into the air

■ Specifications
- Solvent Target: 1-bromopropane (nPB)
- Application: Cleaning of connector terminals in electronic component manufacturing
- Model Used: REARTH® S Series

■ Why It Matters
This case confirms that REARTH® S Series enables economic production and VOC control—making it an ideal solution for electronics manufacturers and other high-precision industries.

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