Spent MEK

Description

1. Product Overview
Spent MEK (Methyl Ethyl Ketone) is a recovered industrial solvent generated from manufacturing and cleaning processes where MEK is used for degreasing, coating, adhesive formulation, and equipment cleaning. Although previously utilized, the solvent retains valuable chemical properties that make it suitable for solvent recovery, recycling, energy recovery, or secondary industrial applications. Spent MEK offers a cost-effective alternative feedstock for solvent reclaimers and chemical processors seeking recoverable ketone-based solvents. As industries increasingly prioritize resource efficiency and circular chemical management, spent MEK represents a strategically important material stream within the industrial solvent recovery and recycling market.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Predominantly Methyl Ethyl Ketone (C₄H₈O) with varying levels of dissolved resins, oils, inks, or organic residues depending on source process
• Purity Level / Grade: Variable composition; typically 50–90% MEK prior to reprocessing (subject to batch analysis)
• Physical Form: Liquid solvent
• Color: Clear to slightly yellow or amber depending on contamination profile
• Odor: Characteristic ketone solvent odor
• Density: Approximately 0.79–0.82 g/cm³ at 20°C
• Boiling Point (MEK): ~79–80°C
• Flash Point: Approximately −9°C (highly flammable)
• Packaging Options: Bulk tankers, steel drums (200L), IBC containers (1000L), or bulk container loading
• Shelf Life: Stable when stored in sealed containers under appropriate chemical storage conditions

3. Core Industrial Applications
Spent MEK is widely utilized across industries that specialize in solvent recovery, chemical recycling, and industrial energy utilization.

• Solvent Recovery & Distillation: Chemical recyclers and solvent recovery facilities reprocess spent MEK through distillation to recover high-purity MEK for reuse in coatings, adhesives, and manufacturing processes.
• Chemical Processing & Reclamation: Industrial processors use spent MEK as a feedstock for solvent blending or purification operations where recovered solvents are reintroduced into industrial supply chains.
• Industrial Fuel Blending: In controlled environments, certain facilities utilize spent solvents as supplemental fuel due to their high calorific value.
• Industrial Cleaning & Secondary Solvent Applications: Lower-grade solvent mixtures may be used for heavy-duty degreasing, equipment cleaning, and industrial maintenance operations.

Compared with purchasing virgin solvent, using spent MEK as a recoverable feedstock significantly lowers raw material costs while supporting solvent circularity and waste reduction initiatives.

4. Competitive Advantages

• Consistent Material Streams: Sourced from established industrial processes ensuring reliable solvent recovery feedstock
• Stable Supply Availability: Continuous generation from manufacturing sectors that utilize MEK-based solvents
• Flexible Logistics: Bulk shipping capability with drums, IBCs, and containerized transport options
• Cost Advantage: Substantially lower acquisition cost compared to virgin MEK solvent for recovery operations
• Sustainability Value: Enables solvent recycling and reduces hazardous waste disposal volumes
• Technical Transparency: Batch composition data and documentation available to support industrial solvent recovery planning

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–24 MT per 20-ft container depending on packaging format and regulatory requirements