Reviewed Cleaning and Degreasing Operations Options
Options below have reviewed by pollution prevention specialists. They are commonly recommended and implemented
for facilities. |
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| reduce solvent evaporation |
| Increase the freeboard height to significantly reduce solvent evaporation. |
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| automatic parts lift |
| Install automatic parts lift on vapor degreasers |
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| Use drain racks |
| Use drain racks to reduce dragout. |
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| use rotating rack. |
| Drain parts using a rotating rack. |
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| Clean parts |
| Determine whether parts need to be cleaned. |
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| Use rust inhibitors and lubricants |
| Use easy-to-clean or no-clean rust inhibitors and lubricants |
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| Review handling process |
| Review the handling process of the parts to determine why parts are getting dirty and take action to prevent it from happening in the future. |
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| clean stock |
| Purchase clean input clean |
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| Use elbow grease |
| Use elbow grease. When possible, clean by brushing and wiping. |
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| Use aqueous-based cleaners |
| Use aqueous-based cleaners |
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| Use Solvents |
| Use solvents with a low vapor pressure and high flash point. |
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| Use citrus or terpene cleaners. |
| Use citrus or terpene cleaners. |
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| Keep lids on |
| Keep lids on your solvent-cleaning vessels. |
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| air-lock vapor degreaser |
| Use an air-lock vapor degreaser |
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| reduce drafts |
| Minimize evaporation by reducing drafts. |
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| Install refrigerated coils |
| Install refrigerated coils on the freeboard above the primary condenser coils. Working emissions are reduced by approximately 20-50 percent for above freezing coils and 30-80 percent for below freezing coils. |
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| Use counter-current rinsing. |
| Use counter-current rinsing. |
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| reuse aqueous cleaners. |
| Skim/filter and reuse aqueous cleaners. |
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| install filtration or distillation units. |
| Reuse solvents by installing filtration or distillation units. |
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| Install bioremediation parts washer |
| Install a bioremediation parts washer that uses enzymes to eat oil and grease. |
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| Segregate solvents |
| Segregate solvents to allow recycling |
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| Keep solvents out of used oil. |
| Keep solvents out of used oil. |
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| Keep fluids out of solvents |
| Keep fuel, brake fluid, and other fluids out of solvents to prevent the mixture from becoming hazardous. |
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| Keep solvents out of aqueous cleaners. |
| Keep solvents out of aqueous cleaners. |
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| solvent storage. |
| Use secondary containment for solvent storage. |
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| fix and prevent leaks. |
| Implement a maintenance program to fix and prevent leaks. |
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| increase drain time. |
| Reduce dragout by increasing drain time. |
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| reduce dragout. |
| When dipping parts, lift them such that it reduces dragout. |
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| Install lids |
| Install sliding lids on solvent tanks. |
 Unreviewed Cleaning and Degreasing Operations Options
Options below have not been reviewed by pollution prevention specialists. They are commonly recommended and
implemented for facilities. |
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| chemical concentration check |
| Ensure that make up of chemical mixture is not overconcentrated |
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| Use ultra-sonic parts washers |
| ultra-sonic use high frequency soundwaves to agitate aqueous solvent solution to clean part more quickly and throughly using less solvent. |
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| solvent recycling |
| re-use/re-cycle cleaning solvent multiple times |
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| Plumb recovered solvent to system |
| By plumbing the recovered solvent to system, operator has the option of using the recovered solvent instead of virgin solvent. |
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| Batch Compatibility |
| All formulas created are based on compatibility with each other so that tanks and drums may be reused with one another. This method virtually eliminates the need for cleaning except in very special circumstances. |
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| Install a tank cleaning system for Spray dryer |
| Install a vendor-packaged unit to clean the spray dryer with high pressure water thus reducing the quantity of waste water generated |
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| Use nonhazardous solvent |
| Use PD-680 type II or III solvent instead of chlorinated solvents to reduce hazardous constituents. |
