Does Solvent Recycling Make Cents…Dollars?

by brblog on July 12, 2019

Q: My boss wants our lab to start recycling solvents. How do I know if it makes financial sense?

Solvent recycling saves money! That’s the main driving force for recycling.

Solvent Recycler vs Disposal Costs

A common gauge of the cost savings is a payback analysis. This shows how long it will take before a recycler has paid for itself in saved solvent and disposal costs.

We find that most recyclers pay for themselves in 1 to 3 years. Here’s how to figure out how much money a solvent recycler can save your lab.

Step 1, how much solvent do you use?

The first step to calculate your payback period is to find out how much xylene, xylene substitute, alcohol and formalin you use each month. You may need to go through some bills and receipts but this shouldn’t be difficult to figure. As an example let’s use some numbers from a small lab.

Step 2, how much does the solvent and disposal cost?

Learn the various costs associated with each solvent. Try to include all of the costs including:

  • Solvent cost
  • Taxes on solvent purchases (sales tax, VAT, other taxes)
  • Delivery charges
  • Drum fees
  • Waste removal fees

Customers often find hidden fees and taxes they didn’t even know existed.

Step 3, add up all the costs?

Once you have this information, it is not difficult to calculate the total cost of solvent purchase and disposal. You may be surprised to see just how much your solvents are really costing you.

The left hand side is the analysis for a small lab in the USA. The right side is a simplified example from a small lab in Europe.

Savings Graph

If you would like us to help you with your cost analysis click here.

Last Step

To do a payback calculation, you just divide the cost of a recycle by the monthly cost for solvents/disposal. The result is the number of months before the recycle has paid for itself. A typical value would be around 18 months.

The left hand table is for a small lab in the USA.

The right hand table is for a small lab in Europe.

Solvent Recycler Return of Investment
Breakeven Graph

What does it mean?

At the end of the payback period the recycler has paid for itself. Now your recycler turns into a cash machine. Every time you recycle, the recycler creates a profit. Use the money for upgrading tissue processors, stainers, microtomes or install a much needed expresso machine in the break room.

The fact that the recycler will continue to generate a positive cash flow for years to come makes it a great investment.

Posted in Histology, Histology Solvent Recycling, solvent recovery, Solvent Recycling

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