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Group of Recyclable Used Chemicals

1

Chemical Solvents

N – Methyl – 2 – Pyrrolidone (NMP)
Methanol (MeOH)
Ethanol (EtOH)
Butyl Alcohol (BuOH)
Isopropyl alcohol (IPA)
Acetone
Cyclohexanone
Methyl Ethyl Ketone (MEK)
Methyl Isobutyl Ketone (MIBK)
Ethyl Acetate (EA)
Butyl Acetate (BA)
Butyl Cellosolve (BGE)
Toluene
Xylene
etc.

2

Thinner & Mixed Solvents

Thinner
Mixed Solvent
Solvent
etc.

3

Hydrocarbon Solvents

Actrel
Aqua Solvent
Daphne
NS-Clean
N100
SP-Clean
E-cocut
Kerosene
Solvent 1425
Solvent 3040
Hydrocarbon Mixture
etc.

4

Halogenated Solvents

1,1,2Trichloroethylene (TCE)
Methylene Chloride (MC)
Perchloroethylene (PCE)
1-Bromopropane
etc.

5

Oil

Oil
Base Oil
Hydraulic Oil
Lube Oil
Liquid Hydrocarbon
etc.

6

Silicone

Silicone Oil
Silicone Emulsion
Silicone Gum
Scrap Silicone
etc.

7

Glycol

Monopropylene Glycol (MPG)
Monoethylene Glycol (MEG)
Mix Glycol
etc.

Group of Waste Disposal

1

Industrial Waste

Expired Chemical
Expired Paint
Solie Waste
Waste Water
etc.

2

Lab Waste

Chemical Liquid Waste
Chemical Solid Waste
Contaminated Material
Contaminated Container
etc.

Chemical Solid Waste

Chemical Solid Waste

Chemical Solid Waste

Liquid chemical

Waste in the liquid state can be divided into 10 groups as follows:

GroupTypeDescriptionExamples
1 Hydrocarbon deriatives Waste that is organic compound which consists mainly of hydrogen (H) and carbon (C) Hexane, Methanol, Acetone, MEK,
IPA, THF, Ethyl acetate, Acetaldehyde
2 Halogenated compound Waste that contains halogen elements which include Chlorine (Cl), Bromine (Br), Iodine (I), Fluorine (F) in the molecules NaCl, KBr, CH2Cl2 , TCE, PCE, MC, 1-Bromopropane
3 Inorganic Inorganic waste such as Carbonate, Sulphate, and Phosphate groups K2CO3 , Na₂SO₄
4 Heavy Metal Waste that contains heavy metal ions such as chromium
mercury, cadmium, lead, copper, iron, manganese, zinc
cobalt, nickel, silver, tin, antimony, tungsten, and vanadium
COD Waste, Hg2Cl2 , FeSO4 , PbCl2 , K2Cr2O7
5 High Toxic Waste that is highly toxic to health, is carcinogenic or cause a genetic effects Cyanide Waste, Chloroform, CCl4 ,
EtBr, Formaldehyde, Acrylate,
Pyridine
6 Acid Waste that has pH below 7 Organic acid, Nitric acid, Sulfuric acid, Hydrochloric acid, Phosphoric acid
7 Base Waste that has pH above 7 Ammonia and Hydroxide compounds : NaOH, KOH, NH4OH
8 Oxidizing Substances that receive electrons from other substances KMnO₄ , H2O2 , KClO4 , NaOCl
9 Reducing Substances that provide electrons to other substances such as Hydride LiAlH₄ , NaBH₄
10 Unknown Waste that cannot be identified