Spent non-halogenated solvents and still bottoms.

Sludges from electroplating operations.

Spent cyanide bath solutions.

Coke oven, blast furnace gas scrubber sludges.

Bottoms, bottom streams, and side cuts from production of acetaldehyde and acrylonitrile. Heavy ends or still bottoms from epichlorohydrin, ethyl chloride, ethylene dichloride or vinyl chloride operations. Distillation bottoms from production of phthalic anhydride and nitrobenzene. Stripping still tails from production of methyl ethyl pyridines. Residues from toluene diisocyanate production.

Bottoms, ends, stripper wastes from tricholorethylene, perchloroethylene production. Creosote sludges.

Spent carbon from explosives wastewater. Leaded petroleum tank bottoms. Leather tanning, finishing sludges.

P Classification (discarded commercial chemical products):

P024 p-chloroaniline

P029-P030 Copper cyanide, cyanides

P048 2,4-dinitrophenol

P052-P054 Ethylcyanide, ethylenediamine, ethyleneimine.

P063-P064 Hydrocyanic acid, isocyanic acid

P077 p-nitroaniline

P081 Nitroglycerine

P090 Pentachlorophenol

P098 Potassium cyanide

P101 Propionitrile

P106 Sodium cyanide

U Classification:

U007 & U009

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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