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2. Chemical waste - Wikipedia

   en.wikipedia.org/wiki/Chemical_waste

   The U.S. Environmental Protection Agency (EPA) prohibits disposing of certain materials down drains. [4] Therefore, when hazardous chemical waste is generated in a laboratory setting, it is usually stored on-site in appropriate waste containers, such as triple-rinsed chemical storage containers [5] or carboys, where it is later collected and disposed of in order to meet safety, health, and ...

3. Polyvinyl alcohol - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_alcohol

   Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH 2 CH(OH)] n . It is used in papermaking , textile warp sizing , as a thickener and emulsion stabilizer in polyvinyl acetate (PVAc) adhesive formulations, in a variety of coatings, and 3D printing .

4. Hazardous waste - Wikipedia

   en.wikipedia.org/wiki/Hazardous_waste

   Waste can be hazardous because it is toxic, reacts violently with other chemicals, or is corrosive, among other traits. [1] As of 2022, humanity produces 300-500 million metric tons of hazardous waste annually. [2] Some common examples are electronics, batteries, and paints. An important aspect of managing hazardous waste is safe disposal.

5. Solvent degreasing - Wikipedia

   en.wikipedia.org/wiki/Solvent_degreasing

   Solvent degreasing is a process used to prepare a part for further operations such as electroplating or painting. Typically it uses petroleum , chlorine , dry ice or alcohol based solvents to dissolve the machining fluids and other contaminants that might be on the part.

6. Renewable polyethylene - Wikipedia

   en.wikipedia.org/wiki/Renewable_Polyethylene

   For these same reasons, it is also recyclable in the same recycling chain used by traditional polyethylene. Because it is part of the portfolio of high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) products, Green PE rapidly became an option for applications in rigid and flexible packaging, closures, bags, and other ...

7. Garbage disposal unit - Wikipedia

   en.wikipedia.org/wiki/Garbage_disposal_unit

   A garbage disposal unit installed under a kitchen sink. A garbage disposal unit (also known as a waste disposal unit, food waste disposer (FWD), in-sink macerator, garbage disposer, or garburator) is a device, usually electrically powered, installed under a kitchen sink between the sink's drain and the trap.