HPLC Solvent Recycling

Reduce HPLC waste disposal costs by up to 71% using spinning band distillation. Remove water from your mobile phase solvents and dramatically reduce hazardous waste volume.

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The HPLC Waste Challenge

Get the Water Out!

Most HPLC waste contains large amounts of water, up to 90%. So for every liter of solvent purchased, there is up to 10 liters of waste generated!

The Hidden Cost

You're paying to dispose of water! Up to 90% of your HPLC waste disposal costs are for water that could be separated and safely drained.

Expensive hazardous waste disposal
Large waste storage requirements
Environmental compliance burden
Frequent waste pickups

Typical HPLC Waste Composition

Example: 75% Water / 25% Acetonitrile mixture

The Spinning Band Solution

How It Works

Removing the majority of water from HPLC wastes is easily accomplished using spinning band distillation. Solvents used in HPLCs have lower boiling points than water. When distilled, these solvents boil first. The water is left behind in the boiling flask. This water is suitable for drain disposal.

Real Example: Acetonitrile Waste

Consider a common acetonitrile waste containing 75% water and 25% acetonitrile. If there are 10 liters of this waste:

7.5 liters of water
2.5 liters of acetonitrile

Spinning band distillation yields:

2.9 liters of acetonitrile/water azeotrope (87% ACN/13% water)
7.1 liters of clean water for drain disposal

Result: 71% Waste Reduction!

Instead of disposing 10 liters of hazardous waste, only 2.9 liters need disposal.

9600 Spinning Band Solvent Recycler in operation

9600 Spinning Band Solvent Recycler

Spinning Band Column

High-efficiency separation for complex solvent mixtures

2-3 L/hr Throughput

Process large volumes efficiently with continuous operation

Multiple Batch Sizes

5, 12, 22, and 50 liter options to match your needs

Inert Materials

Glass and Teflon contact surfaces for chemical compatibility

Specifications

Parameter	Specification
Distillation Column Type	Spinning Band
Throughput	2-3 liters per hour
Batch Sizes Available	5, 12, 22 and 50 liter
Contact Surfaces	Glass and Teflon only
Typical Waste Reduction	50-90% depending on water content

Common HPLC Solvents We Recycle

Organic Solvents

Acetonitrile (most common)
Methanol
Isopropanol
Tetrahydrofuran (THF)
Hexane

Mixed Mobile Phases

Acetonitrile/Water
Methanol/Water
Buffer/Organic mixtures
Gradient elution wastes
Multi-component mixtures

About Recovered Solvents

The distilled acetonitrile is normally mixed with 13% water due to the azeotrope that forms between acetonitrile and water. While not suitable for direct HPLC reuse, it's perfect for cleaning and other non-critical applications, or can be sold to recycling companies.

Calculate Your Savings

Typical Laboratory Example

Monthly HPLC Waste

200 liters

Average Water Content

70%

Disposal Cost/Liter

$5-15

Current Monthly Disposal Cost

$1,000 - $3,000

After Water Removal (70% reduction)

$300 - $900

Monthly Savings: $700 - $2,100

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Direct Contact Information

Email:

contactus@brinstrument.com

Phone:

1.410.820.8800

Location: 9119 Centreville Road, Easton, MD 21601 USA

We typically respond within 24 business hours