AC24 Diversifying Biosolids Management with Thermal Drying
Recorded On: 04/12/2024
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No Contact Hours Offered
In California WRRFs are facing uncertainty with their current land application programs related to anticipated PFAS regulations. In addition, with the diversion of organics from landfills by SB 1383 the main strategy is co-digestion followed by composting to produce a Class A biosolids for beneficial use. However, with the emerging challenges related to PFAS, the composting part of this strategy may be impacted as it does not provide any PFAS treatment. On the other hand, drying produces Class A biosolids and is required upstream of advanced thermal processes for PFAS treatment including pyrolysis and gasification. Drying the dewatered digestate rather than composting provides an opportunity to limit the impacts of anticipated PFAS biosolids regulations.
This presentation will cover three thermal drying case studies that will benefit utility managers, operation and maintenance practitioners, and engineers by providing:
• a highlight of the thermal drying sizing, technology selection, and dried product characteristics,
• system integration with existing WRRFs including sludge conditioning,
• the lessons learned including equipment procurement, staffing, and challenges in operation from previous thermal drying designs., and
• integration insights for future pyrolysis/gasification PFAS treatment.
Attendee Takeaways:
Conduct thermal drying sizing, technology selection, and describe the dried product characteristics.
Understand system integration with existing and future solids treatment.
Define project delivery and operations based upon lessons learned from thermal drying case studies."
![Speaker image](/images/no-profile.jpg)
Anthony Tartaglione
Senior Assiocate
Hazen and Sawyer
Anthony is a Senior Associate with Hazen and Sawyer and has 23 years of experience in water resource recovery facilities (WRRFs) planning, design, and services during construction. This experience includes project management, design engineering management, and lead process / mechanical engineering of the expansion, rehabilitation and repair, upgrades, and improvements for WRRFs throughout the country. He received a BS in Environmental Engineering from Rensselaer Polytechnic Institute and a MS in Chemical Engineering from Colorado State University. His area of expertise is in solids treatment from preliminary treatment through digestion including screening, grit removal, thickening, anaerobic digestion, and dewatering. He is a contributing author to Water Environmental Federation publications including 1) Design of Water Resource Recovery Facilities. Manual of Practice No. 8, 6th Ed., Water Environmental Federation Publication, 2017; 2) Energy in Water Resource Recovery Facilities, Manual of Practice No. 32, 2nd Ed., Water Environmental Federation Publication, 2021 and 3) Wastewater Treatment Fundamentals III, 1st Ed., Water Environmental Federation Publication, 2022. He is registered Professional Engineer the states of California (Civil & Chemical Engineering), Florida, Idaho (Civil & Chemical Engineering), Maryland, North Dakota, New York, Oregon (Civil & Chemical Engineering), and Texas.
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