Title: Modular Functionalization of Metal‐Organic Frameworks for Nitrogen Recovery from Fresh Urine**

Journal Article · · Angewandte Chemie
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5];  [6]; ORCiD logo [2]
  1. National Engineering Laboratory for Industrial Wastewater Treatment and State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai 200237 China, Linde Laboratories California Institute of Technology Pasadena CA 91125 USA, Current address: Department of Civil Engineering University of Arkansas, Fayetteville Fayetteville AR 72701 USA
  2. Linde Laboratories California Institute of Technology Pasadena CA 91125 USA
  3. Chemical and Biological Systems Simulation Lab Center of New Technologies University of Warsaw Banacha 2 C 02-097 Warsaw Poland, Materials and Process Simulation Center California Institute of Technology Pasadena CA 91125 USA
  4. Stanford Synchrotron Radiation Lightsource SLAC National Accelerator Laboratory 2575 Sand Hill Rd. Menlo Park CA 94025 USA
  5. National Engineering Laboratory for Industrial Wastewater Treatment and State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai 200237 China
  6. Materials and Process Simulation Center California Institute of Technology Pasadena CA 91125 USA

Abstract Nitrogen recovery from wastewater represents a sustainable route to recycle reactive nitrogen (Nr). It can reduce the demand of producing Nr from the energy‐extensive Haber‐Bosch process and lower the risk of causing eutrophication simultaneously. In this aspect, source‐separated fresh urine is an ideal source for nitrogen recovery given its ubiquity and high nitrogen contents. However, current techniques for nitrogen recovery from fresh urine require high energy input and are of low efficiencies because the recovery target, urea, is a challenge to separate. In this work, we developed a novel fresh urine nitrogen recovery treatment process based on modular functionalized metal–organic frameworks (MOFs). Specifically, we employed three distinct modification methods to MOF‐808 and developed robust functional materials for urea hydrolysis, ammonium adsorption, and ammonia monitoring. By integrating these functional materials into our newly developed nitrogen recovery treatment process, we achieved an average of 75 % total nitrogen reduction and 45 % nitrogen recovery with a 30‐minute treatment of synthetic fresh urine. The nitrogen recovery process developed in this work can serve as a sustainable and efficient nutrient management that is suitable for decentralized wastewater treatment. This work also provides a new perspective of implementing versatile advanced materials for water and wastewater treatment.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1996037
Journal Information:
Angewandte Chemie, Journal Name: Angewandte Chemie Journal Issue: 39 Vol. 135; ISSN 0044-8249
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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