Specific H2S Release from Thiosulfate Promoted by UV Irradiation for Removal of Arsenic and Heavy Metals from Strongly Acidic Wastewater

L Kong, X Hu, X Peng, X Wang - Environmental Science & …, 2020 - ACS Publications
The removal of arsenic and heavy metals (HMs) from strongly acidic wastewater by
hydrogen sulfide (H2S) is an efficient method. However, traditional sulfuration reagents …

Nuclear and electron dynamics in the photodissociation of water

P Andresen, GS Ondrey, B Titze… - The Journal of chemical …, 1984 - pubs.aip.org
The photodissociation of water in its first absorption band is studied by photolyzing H20 at
157 nm with an excimer laser. This dissociation proceeds directly to produce the electronic …

New accurate diabatic potential energy surfaces for the two lowest 1 A′′ states of H 2 S and photodissociation dynamics in its first absorption band

J Chen, H Zhang, L Zhou, X Hu, D Xie - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
In this work, state-to-state photodissociation dynamics of H2S in its first absorption band has
been studied quantum mechanically with a new set of coupled potential energy surfaces …

Photodissociation of H2S: A New Pathway for the Production of Vibrationally Excited Molecular Hydrogen in the Interstellar Medium

Y Zhao, J Chen, Z Luo, Z Li, S Yang… - The Journal of …, 2022 - ACS Publications
Hydrogen sulfide (H2S) is the most abundant S-bearing molecule in the solar nebula.
Although its photochemistry has been studied for decades, the H2 fragment channel is still …

Photodissociation dynamics

LJ Butler, DM Neumark - The Journal of Physical Chemistry, 1996 - ACS Publications
Advances in the study of photodissociation dynamics over the past 30 years are reviewed.
An overview of experimental techniques that have been developed to extract photofragment …

Kinetic and internal energy distributions via velocity‐aligned Doppler spectroscopy: The 193 nm photodissociation of H2S and HBr

Z Xu, B Koplitz, C Wittig - The Journal of chemical physics, 1987 - pubs.aip.org
We report center‐of‐mass kinetic energy distributions for the 193 nm photodissociation of
H2S and HBr using the method of velocity–aligned Doppler spectroscopy. Nascent H atoms …

Photodissociation of H2S and the HS radical at 193.3 nm

RE Continetti, BA Balko, YT Lee - Chemical physics letters, 1991 - Elsevier
Photodissociation of H 2 S has been studied at 193.3 nm using H atom photofragment-
translational spectroscopy with mass-spectrometric detection. H+ HS (v) product branching …

Nonadiabatic effects in the photodissociation of H2S in the first absorption band: An ab initio study

B Heumann, K Weide, R Düren… - The Journal of chemical …, 1993 - pubs.aip.org
The photodissociation of H2S through excitation in the first absorption band (λ≊ 195 nm) is
investigated by means of extensive ab initio calculations. Employing the MRD‐CI method we …

Mechanisms of UV-light promoted removal of As (V) by sulfide from strongly acidic wastewater

L Kong, X Peng, X Hu - Environmental Science & Technology, 2017 - ACS Publications
Strongly acidic wastewater with a high arsenic concentration is produced by a number of
industries. The removal of As (V)(H3AsO4) by sulfide from strongly acidic wastewater …

Infrared Spectroscopy of H2S and SH in Rare-Gas Matrixes

E Isoniemi, M Pettersson, L Khriachtchev… - The Journal of …, 1999 - ACS Publications
Infrared (IR) spectra of hydrogen sulfide (H2S), some of its complexes, and their photolysis
products are studied in rare-gas matrixes (Ar, Kr and Xe) at 7.5 K. In all of these matrixes …