Keywords > Purification

59 jobs found.

Aniline Manufacturing Worker

A technical job that operates and monitors the entire process from aniline synthesis reactions to separation and purification, stably producing high-purity products.

Oil Recovery Worker (Hardened Oil Manufacturing)

Occupation that removes impurities from oil and fat raw materials in the manufacturing process of hardened oil, etc., recovers and refines them. Responsible for operation and monitoring of plant equipment, quality control, and safety maintenance.

Amalgam Worker (Nonferrous Metal Smelting)

Specialized worker who performs smelting operations to extract and refine nonferrous metals such as gold and silver using mercury.

Amino Acid Production Engineer

A technical position that designs and optimizes processes for mass and efficient production of amino acids using microorganisms, enzymes, and chemical synthesis, and operates and manages production equipment.

Amino Acid Manufacturing Engineer (Excluding Production Engineers)

Technical specialist who develops, optimizes, and operates amino acid manufacturing processes using microbial fermentation or enzymatic reactions.

Amino Acid Manufacturing Worker

Manufacturing operator who uses microbial fermentation or chemical reactions to produce and purify amino acids from raw materials.

Alumina Production Engineer

Technical job involving operation, management, and improvement of plants that produce aluminum oxide (alumina) from bauxite.

Sulfur Manufacturing Engineer (Excluding Production Engineers)

A technical job that operates and manages sulfur manufacturing equipment in chemical plants, performing quality control, safety, and environmental management.

Pharmaceutical raw material worker

This occupation manufactures active pharmaceutical ingredients (APIs) through chemical reactions and separation/purification processes. Safely and accurately perform each process from synthesis to finishing.

Lacquer Liquid Manufacturing Worker

This occupation involves extracting and purifying lacquer, a natural resin, to manufacture lacquer liquid used as a raw material for paint. It combines traditional manufacturing methods with modern process management to maintain stable quality.