Taiwan Fertilizer Co. announced Tuesday it has signed a cooperation agreement with Taiwan Semiconductor Manufacturing Co. (TSMC, 2330) to reprocess waste sulfuric acid from TSMC's Taichung operations into industrial-grade ammonium sulfate — the fertilizer maker's most concrete step yet in a long-running push to reinvent itself as a supplier to high-technology industries.
A Zero-Waste Hub at the Center of the Deal
The deal centers on TSMC's Taichung Zero-Waste Manufacturing Center, described by the chipmaker as the world's first integrated energy and resource recycling facility and its first circular economy demonstration site. Under the arrangement, Taiwan Fertilizer will process sulfuric acid byproducts from semiconductor fabrication and convert them into ammonium sulfate for industrial use, the company said in a regulatory filing. Financial terms will not be disclosed, citing confidentiality provisions.
Deputy General Manager and spokesperson Chung Chun-ming (鍾俊銘) said the partnership is designed to "implement circular economy principles" and "optimize the company's profit structure" through the reuse of sulfuric acid resources, adding that the company expects a positive impact on future financial performance.
From Fertilizers to the Semiconductor Supply Chain
The agreement fits into a broader resource-recovery drive at TSMC, which has in recent years converted wastewater treatment systems across its fabs to run on recycled sulfuric acid and has been working to crystallize ammonium sulfate from sulfuric acid waste and ammonia-nitrogen wastewater — part of a wider push toward higher-value circular reuse.
For Taiwan Fertilizer, Tuesday's announcement marks the transition from planning to execution. In May last year, the company's board approved a waste sulfuric acid recycling project with a planned investment of approximately NT$1.5 billion (about US$46 million), explicitly framed around its green circular economy agenda. The TSMC contract signals that project has now moved into an active commercial phase.
The company has long been associated with fertilizers, chemicals, and land assets, but has spent recent years positioning itself at the intersection of clean energy, electronic-grade chemicals, and green industrial supply chains. Its entry into semiconductor waste processing represents the most tangible expression of that strategic shift to date.
Financial Impact Still Hard to Gauge
How much the deal will actually contribute to Taiwan Fertilizer's bottom line remains unclear. The company has not disclosed the contract value, its duration, or projected revenue. Investors and analysts will likely focus on when the recycled sulfuric acid facility begins production, the commercial scale of ammonium sulfate sales, and whether Taiwan Fertilizer can expand its role in what the industry is increasingly calling the green semiconductor supply chain.
At its core, the agreement ties together three distinct interests: TSMC's zero-waste manufacturing ambitions, the circular economy logic of converting semiconductor process waste into saleable industrial inputs, and Taiwan Fertilizer's effort to build a new earnings base in high-technology supply chains. Whether the partnership delivers a meaningful new revenue stream will depend less on the contract itself than on Taiwan Fertilizer's ability to scale the underlying business.
Original Article in Chinese
















































