Birchtech Corp. (NYSE: BCHT)

Birchtech Corp. provides specialty activated carbon technologies focused on air and water purification. The company delivers patented mercury emissions capture solutions for coal fired power plants and develops water treatment systems targeting PFAS and other contaminants. Its core activities include designing and selling performance based sorbent systems and offering related technical services.

Birchtech Corp. generates revenue primarily from the sale of its mercury emissions control products and services to electric utilities. It also earns income from its water treatment business which includes the sale of specialized adsorbents carbon rejuvenation services and technical consulting. Additionally the company may receive licensing fees or settlement amounts from patent enforcement activities.

Birchtech Corp. holds a competitive niche in the mercury emissions market where its SEA® technology consistently achieves higher removal rates at lower operating costs than conventional powdered or granular activated carbon injection systems. The company faces competition from established players such as Arq Inc. Norit Activated Carbon Calgon Carbon Corporation and Nalco Company LLC. Its advantages include a strong patent portfolio deep technical expertise and the ability to tailor solutions to specific plant configurations which helps preserve the marketability of fly ash byproducts.

Birchtech Corp. serves coal fired electric generating units primarily in the United States and Canada. As of December 31 2025 sixteen EGUs used its SEA® technologies and purchased products from the company. In its water treatment business the company targets municipal water utilities industrial wastewater operators and other entities seeking PFAS removal and carbon reuse solutions.