Crude Glycerine (Glycerol, C₃H₈O₃)

Crude Glycerine is an unrefined by-product obtained primarily from biodiesel production, soap manufacturing (via saponification), or fat splitting. It contains impurities such as water, salts, methanol, free fatty acids (FFA), and organic matter, making it unsuitable for direct use in food, pharmaceuticals, or cosmetics without further purification.

Applications

Since crude glycerine is impure, it is mainly used in industrial applications or further refined into high-purity glycerine.

Refining into Pure Glycerine

Distillation, ion exchange, or chemical treatment to produce USP/BP/EP-grade glycerine (99.7%+ purity).

Animal Feed Additive

Energy source in livestock feed (after methanol removal).

Chemical Intermediate

Used in making propylene glycol, epichlorohydrin, and other derivatives.
Feedstock for crude glycerine-based polymers.

Industrial Applications

Biogas & Biofuel Production: Fermented to produce methane or ethanol.
Antifreeze & Deicing Fluids: Due to its low freezing point.
Dust Suppression: Used in construction and mining.
Wastewater Treatment: Helps in microbial digestion.

Combustion & Energy Recovery

Burned as a low-grade fuel in boilers/incinerators.

Description

Product Characters: A viscous, colorless or pale-yellow liquid with a sweet taste.
Executive Standards: Minimum purity of 80%
Formula: C₃H₈O₃
CAS No: 56-81-5

Key Characteristics of Crude Glycerine

Property	Description
Appearance	Dark brown or yellow viscous liquid
Glycerine Content	Typically, 60-85%, depending on the source.
Impurities	-
Methanol	From biodiesel transesterification
Water	5–20%
Soaps & Fatty Acids	From Saponification
Ash & Salts	e.g., NaCl from soap-making
Organic Matter	(MONG) Matter Organic Non-Glycerol

Flexi bags & Drum

In 20 feet containers, packed in flexi tanks of capacity approx. 24 metric tons each and hdpe drum 20tons. Basis of shipment in containers can be CIF destination or FOB as required.

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Bulk Shipment

In bulk shipment of 1,500 to 5,000 metric tons per shipment directly from shore tanks available for loading at port. Basis of bulk shipment will be FOB only.

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