Method and apparatus for nutrient removal with carbon addition

SN Murthy, H De Clippeleir, C Debarbadillo… - US Patent App. 15 …, 2018 - Google Patents
2022-08-23 Assigned to DC Water and Sewer Authority, HAMPTON ROADS SANITATION
DISTRICT reassignment DC Water and Sewer Authority ASSIGNMENT OF ASSIGNORS …

Method for deammonification process control using pH, specific conductivity, or ammonia

C Bott, S Klaus - US Patent 9,902,635, 2018 - Google Patents
US9902635B2 - Method for deammonification process control using pH, specific
conductivity, or ammonia - Google Patents US9902635B2 - Method for deammonification …

Production of biomass for use in the treatment of Fischer-Tropsch reaction water

TD Phillips, MP Augustyn, IM Van Niekerk - US Patent 10,294,136, 2019 - Google Patents
US10294136B2 - Production of biomass for use in the treatment of Fischer-Tropsch reaction
water - Google Patents US10294136B2 - Production of biomass for use in the treatment of …

Simultaneous nitrification/denitrification (SNDN) in sequencing batch reactor applications

BM Olson - US Patent 12,049,416, 2024 - Google Patents
A method of operating a sequencing batch reactor process includes introducing wastewater
to be treated into the sequencing batch reactor and subjecting the wastewater to treatment in …

Outboard motor cooling water induction system

MS Jank - US Patent 11,952,093, 2024 - Google Patents
An outboard motor cooling induction system. A pickup assembly is attached to a boat's
transom proximate the keel. An uptake hose from this pickup assembly carries cooling intake …

Simultaneous nitrification/denitrification (SNDN) in sequencing batch reactor applications

BM Olson - US Patent 11,827,550, 2023 - Google Patents
In accordance with an aspect, there is provided a method of operating a sequencing batch
reactor process. The method comprises introducing wastewater to be treated into the …

Method and apparatus for multi-deselection in wastewater treatment

M O'shaughnessy, C Debarbadillo, C Bott… - US Patent …, 2024 - Google Patents
This disclosure relates to physical selection, deselection or outselection for smaller, less
dense, sheared or compressed particles in sludge, wherein the first deselection step occurs …

Method and apparatus for nutrient removal using anoxic biofilms

C Bott, S Klaus, M Parsons, H De Clippeleir… - US Patent …, 2025 - Google Patents
A methodology, system and apparatus are provided that include anoxic biofilms to perform
partial denitrification and anammox (PdNA) reactions. The PdNA reactions can facilitate …

Integrated deammonification process for wastewater reclamation

J Gu, Y Liu - US Patent 11,220,449, 2022 - Google Patents
(57) ABSTRACT A deammonification system 100 and process for treating wastewater are
disclosed herein. The system and process may involve an anaerobic reactor 204 operable …

Partial nitrification-denitrification coupled two-stage autotrophic denitrification advanced nitrogen removal method

H Lu, X Diao, H Peng, S Liu, Q Zhao, L Meng… - US Patent …, 2021 - Google Patents
An advanced nitrogen removal method using partial nitrifi cation-denitrification coupled two-
stage autotrophic denitri fication. Sewage is introduced into a first pool for partial nitrification …