Coal tar is one of the important products in the coking industry. The production of coal tar is about 3% to 4% of the installed coal. The composition of the coal tar is extremely complex. In most cases, the coal tar industry is specially used for separation and purification. The further processing of tar fractions allows the separation of a wide range of products. The main products currently extracted are:
(1) Naphthalene is used to make phthalic anhydride for the production of resins, engineering plastics, and dyes. Paints and medicines, etc.
(2) Phenol and its homologues for the production of synthetic fibres, engineering plastics, pesticides, pharmaceuticals, fuel intermediates, etc.
(3) Manufacturing of fuel, synthetic kneading agents, and paints.
(4) Philippine is an isomer of lanthanum, its content is only inferior to naphthalene, and it has many uses. Due to its large output, it needs further development and utilization.
(5) Carbazole is an important raw material for dyes, plastics, and pesticides.
(6) Asphalt is a tar distillation residue, which is a mixture of various polycyclic macromolecular compounds. Used for roof coating, moisture barrier and road construction, production of asphalt coke and electric furnace electrodes.
The current tar refinement advanced manufacturers have extracted more than 230 kinds of products from tar, and concentrated processing to large-scale development.
(1) Naphthalene is used to make phthalic anhydride for the production of resins, engineering plastics, and dyes. Paints and medicines, etc.
(2) Phenol and its homologues for the production of synthetic fibres, engineering plastics, pesticides, pharmaceuticals, fuel intermediates, etc.
(3) Manufacturing of fuel, synthetic kneading agents, and paints.
(4) Philippine is an isomer of lanthanum, its content is only inferior to naphthalene, and it has many uses. Due to its large output, it needs further development and utilization.
(5) Carbazole is an important raw material for dyes, plastics, and pesticides.
(6) Asphalt is a tar distillation residue, which is a mixture of various polycyclic macromolecular compounds. Used for roof coating, moisture barrier and road construction, production of asphalt coke and electric furnace electrodes.
The current tar refinement advanced manufacturers have extracted more than 230 kinds of products from tar, and concentrated processing to large-scale development.
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