Governor's 2020 Gold Award for Environmental Excellence
Enhanced Biosolids Reuse & Reduction Project; Harrisonburg-Rockingham Regional Sewer Authority - Owner's technical agent for project and codigestion specialist.
WEFTEC 2020 - Session Workshop "The Latest in Dewatering Modelling and Research" Session 3-518 Monday, October 5th, 4-5 pm
Presentation: A mechanistic approach for predicting sludge dewaterability for whole plant simulation. Tanush Wadhawan and Rob Mangrum
WEF 2020 Biosolids Conference
Paper: The effect of divalent cation complexation on anaerobically digested EBPR sludge dewatering performance.
Water Environment Research Journal
Mangrum, C.R.L., Jenkins, D. (2020) The effect of divalent cation complexation on anaerobically digested EBPR sludge dewatering performance. Water Environ. Res. 92, 677. https://doi.org/10.1002/wer.1259
WEF Forum 2019: James Barnard Research Conference on Emerging Themes in Biological Phosphorus Removal & Recovery, Austin TX.
Invited to participate by the conference steering committee.
2018 EPA PISCES Recognition Awarded to the HRRSA Enhanced Biogas Reuse & Recovery Project for Performance and Innovation in the State Revolving Loan Fund Creating Environmental Success. Technical Advisor to project; Author of Facility Solids-Stream Master Plan.
WEF 2018 Biosolids Conference Phoenix, AZ
Paper Presentation: Leveraging Codigestion for Municipal Biosolids Drying: Sustainable Goals - Proven Technology". (2018) Proc., Water Environ. Fed. Residuals and Biosolids Conf.
On-Going Enhanced Nutrient Removal Process Support & Optimization
ENR Facilities: 23.0 MGD, 6.0 MGD, 4.6 MGD, 2.9 MGD, 0.9 MGD, 0.8 MGD, 0.7 MGD, 0.25 MGD, 0.2 MGD
Trusted Technical Adviser, Consultant & Process Engineer for a broad range of activities for municipal water & wastewater treatment projects:
Wastewater plant optimization
Simplified process control regime
Consistent robust performance
Lowered operating costs
Upgrade and expansion studies and evaluations
Owner's technical agent for large design & construction projects
Single point design responsibility for smaller facility improvement projects
Routine and periodic operations support
Cradle-to-grave project assistance
2.6 MGD Surface Water WTP Membrane Upgrade & Expansion: PER & Design
Enhanced Nutrient Removal 0.2 MGD WWTP Upgrade Project: USDA SEARCH Grant & Construction Funding. PER, Design & CA
Enhanced Nutrient Removal 0.25 MGD PER - USDA SEARCH Grant
High-Solids Codigestion Project: Generating & Beneficially Utilizing 5.0 MMBTU/hour of Biogas
60 MGD Cloth Media Tertiary
Filtration Project - 5 micron
Anaerobically Digested Sludge Dewaterability Improvement Demonstration Project - 2 POTWs
ENR Process Support & Optimization Capacities of (MGD): 23, 6.0, 4.6, 2.9, 0.9, 0.8, 0.7, 0.25
Pretreatment Program Assistance, Development and SIU Compliance Support (multiple clients)
..."In response to helping the town locate a major water leak Rob provided service beyond any client expectations."
G. G. Belfield, Jr.
Town Manager, Town of Tappahannock