Enhanced biocatalytic production of l-cysteine by Pseudomonas sp. B-3 with in situ product removal using ion-exchange resin

2014 ◽  
Vol 38 (3) ◽  
pp. 421-428 ◽  
Author(s):  
Pu Wang ◽  
Jun-Yao He ◽  
Jiang-Feng Yin
Keyword(s):  
Ion Exchange ◽  
Exchange Resin ◽  
Ion Exchange Resin ◽  
Pseudomonas Sp ◽  
In Situ Product Removal ◽  
Product Removal ◽  
Biocatalytic Production

Washing procedure for mixed‐bed ion exchange resin decontamination for in situ nutrient adsorption

2000 ◽  
Vol 31 (3-4) ◽  
pp. 543-546 ◽  
Author(s):  
Nelson Thiffault ◽  
Robert Jobidon ◽  
Carol De Blois ◽  
Alison D. Munson
Keyword(s):  
Ion Exchange ◽  
Exchange Resin ◽  
Ion Exchange Resin ◽  
Mixed Bed Ion Exchange

An in situ mini lysimeter with a removable ion exchange resin trap for measuring nutrient losses by leaching from grazed pastures

Soil Research ◽  
1994 ◽  
Vol 32 (6) ◽  
pp. 1389 ◽  
Author(s):  
K Sakadevan ◽  
MJ Hedley ◽  
AD Mackay
Keyword(s):  
Ion Exchange ◽  
Soil Solution ◽  
Exchange Resin ◽  
Ion Exchange Resin ◽  
Drainage Water ◽  
Alternative Methods ◽  
Nutrient Losses ◽  
Undisturbed Soil ◽  
Grazed Pastures

This study describes the construction, installation and evaluation of an in situ mini-lysimeter with a removable ion exchange resin trap for measuring nutrient losses by leaching from grazed pastures. The resin trap efficiently removed solutes from simulated drainage water at a flow rate of 14 mm h-1. Over 88% of each of the solutes was removed from synthetic nutrient solution containing 1.65 mM nitrate-N, 1.65 mM ammonium-N, 0.25 mM sulfate-S (SO2-4-S) and 0.6 mM potassium. In a further test of the system, sulfate leached in simulated rainstorm events from two undisturbed soil cores, taken from legume based pastures of contrasting superphosphate (SSP) fertilizer history following 495 mm of simulated rainfall, was all recovered using the resin trap. Seven times more SO2-4 (21.2 kg S ha-1) was leached and recovered from the resin trap of the core collected from the high fertility (HF, 375 kg SSP ha-1 year-1) site than from the low fertility (LF, 125 kg SSP ha-1 year-1) site (3.1 kg S ha-1). As part of the field evaluation of the technique, lysimeters with resin traps were placed in the field at four sites (8 lysimeters/site) contrasting in fertilizer history, landslope, and dung and urine return. Two additional lysimeters with drainage collection reservoirs (vessels) and eight soil solution samplers were placed on each site to collect drainage water and soil solution. The amount of SO2-4 present in drainage water was more closely related (1:1, R2 = 0.861) to the amount of SO2-4 collected by the resin traps over a period of 9 months than estimates made using soil solution samplers (1:1, R2 = 0.829). The advantages of the resin trap technique over alternative methods for estimating SO4-S leaching losses from field soils are discussed, as are applications of the technique for studying nutrient losses and cycling in grazed pastures.

In-situ sequestration of perfluoroalkyl substances using polymer-stabilized ion exchange resin

2022 ◽  
Vol 422 ◽  
pp. 126960
Author(s):  
Chen Liu ◽  
Jenna Chu ◽  
Natalie L. Cápiro ◽  
John D. Fortner ◽  
Kurt D. Pennell
Keyword(s):  
Ion Exchange ◽  
Exchange Resin ◽  
Ion Exchange Resin ◽  
Perfluoroalkyl Substances ◽  
Polymer Stabilized

In situ ion exchange resin membrane (IEM) technique to measure soil mineral nitrogen dynamics in grazed pastures

2007 ◽  
Vol 44 (6) ◽  
pp. 805-813 ◽  
Author(s):  
Saman Bowatte ◽  
Russell Tillman ◽  
Andrew Carran ◽  
Allan Gillingham ◽  
David Scotter
Keyword(s):  
Ion Exchange ◽  
Exchange Resin ◽  
Ion Exchange Resin ◽  
Nitrogen Dynamics ◽  
Mineral Nitrogen ◽  
Soil Mineral ◽  
Soil Mineral Nitrogen ◽  
Grazed Pastures ◽  
Resin Membrane

In situ perchlorate determination on Purolite A850 ion exchange resin via Raman spectroscopy

2007 ◽  
Vol 44 (2) ◽  
pp. 316-323 ◽  
Author(s):  
Tatiana G. Levitskaia ◽  
Sergei I. Sinkov ◽  
Samuel A. Bryan
Keyword(s):  
Raman Spectroscopy ◽  
Ion Exchange ◽  
Exchange Resin ◽  
Ion Exchange Resin
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