Arq Inc Dossier
Qualitative Analysis
Business overview
Arq, Inc. (NASDAQ: ARQ), formerly known as Advanced Emissions Solutions, Inc., is a diversified environmental technology company and a vertically integrated producer of activated carbon products in North America. The company specializes in the manufacture and sale of consumable air, water, and soil treatment solutions, primarily based on activated carbon (AC) and other chemical technologies. Its products, which include powdered activated carbon (PAC), granular activated carbon (GAC), and colloidal carbon products, are used to capture and remove impurities, contaminants, and pollutants for coal-fired power generation, industrial, municipal water, and soil remediation markets.
Research as of 20 Jun 2026
Strategic Initiatives
Growth programs, investments, and their expected impact
A comprehensive engineering and production process optimization review conducted in combination with an equipment and engineering firm to address design constraints (specifically thermal oxidizer capacity limitations) and redefine GAC scale, capital requirements, and expected returns.
Expected impact: Ensures the GAC business delivers acceptable economic returns and achieves targeted nameplate capacity safely and efficiently.
Focusing on driving operational performance, cost controls, and contract pricing improvements in the foundational Powdered Activated Carbon (PAC) business while expanding into higher-value end-markets.
Expected impact: Generates stable cash flows and positive Adjusted EBITDA to support the company's broader environmental technology transition.
Engaging in active discussions with multiple parties regarding potential opportunities to monetize the idled Corbin Facility and its related wetcake manufacturing technologies.
Expected impact: Unlocks capital from idled assets and reduces the carrying costs of Corbin assets following a $44.8 million impairment in 2025.
Mergers, Acquisitions & Partnerships
Recent deals and strategic collaborations
Recent Acquisitions
To secure access to additional U.S.-based bituminous coal feedstock and a manufacturing facility located in Corbin, Kentucky, enabling the company's transition into a vertically integrated environmental technology provider.
Financial impact: Led to a $44.8 million non-cash impairment charge on Corbin assets in fiscal year 2025 due to the operational pivot.
Strategic Partnerships
Provides essential liquidity and covenant flexibility during the GAC production pause and strategic review period.
Terms: Fifth amendment entered on March 31, 2026, replacing the minimum liquidity covenant with a $2.5 million availability reserve requirement, rising to $5.0 million in January 2027.