Sulzer Chemtech Technology Selected for DSI’s Naphthalene Expansion

Business Strategy Sulzer Chemtech Technology Selected for DSI’s Naphthalene Expansion

11.11.2022 Source: Press release Sulzer Chemtech

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Sulzer Chemtech’s crystallization technology was selected by Dongsuh Indonesia (DSI) for expanding its naphthalene production in Indonesia. Sulzer Chemtech will deliver an advanced separation unit to DSI’s plant in order to produce high purity naphthalene.

Sulzer Chemtech is providing process engineering and key equipment for the expansion of the DSI naphthalene downstream sector.
(Source: Sulzer Chemtech)

Newbury/UK – Sulzer Chemtech is providing process engineering and key equipment for the expansion of Dongsuh Indonesia (DSI) naphthalene downstream sector. The delivery of an advanced separation unit to DSI’s plant in Serang, Indonesia, will enable the production of high purity naphthalene that can be used for applications with stringent quality requirements.

DSI’s facility in Serang processes naphthalene from coal tar to deliver the valuable chemicals. To this end, the plant has been producing naphthalene related products. In order to increase the purity level of its raw materials and end products as well as serving the broader downstream sector, the company selected Sulzer Chemtech’s proven falling film crystallization technology.

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Prior to the delivery of the purification unit, Sulzer Chemtech completed extensive feasibility and pilot testing ahead of its basic engineering package. This helped ensure DSI to produce different concentrations, including levels of up to 99.9 wt % at an overall production capacity of 7’000 metric tons per annum.

Song Ho Kim, President of DSI, says: “We are extremely happy with the collaboration established with Sulzer Chemtech. Their solution for crystallizing naphthalene is a leader in the market, so when looking at advancing our offering, we were confident we should invest in this technology. The flexibility of our operations will also be improved, helping us address different market needs while optimizing operational expenses and profitability. We look forward to installing the unit and beginning our first-grade naphthalene operations shortly.”

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