Elemental sulfur recovery of biological sulfide removal process from wastewater: A review

2017 ◽  
Vol 47 (21) ◽  
pp. 2079-2099 ◽  
Author(s):  
Jing Cai ◽  
Ping Zheng ◽  
Mahmood Qaisar ◽  
Jiqiang Zhang
Keyword(s):  
Elemental Sulfur ◽  
Sulfur Recovery ◽  
Removal Process ◽  
Sulfide Removal

scholarly journals Microbiological Sulfide Removal—From Microorganism Isolation to Treatment of Industrial Effluent

2021 ◽  
Vol 9 (3) ◽  
pp. 611
Author(s):  
Zhendong Yang ◽  
Zhenghua Liu ◽  
Aleksandra Sklodowska ◽  
Marcin Musialowski ◽  
Tomasz Bajda ◽  
...  
Keyword(s):  
Elemental Sulfur ◽  
Synthetic Medium ◽  
Industrial Effluent ◽  
Oxygen Demand ◽  
Growth Yield ◽  
Xrd Analysis ◽  
Sulfide Concentration ◽  
Leachate Treatment ◽  
Metabolic System ◽  
Sulfide Removal

Management of excessive aqueous sulfide is one of the most significant challenges of treating effluent after biological sulfate reduction for metal recovery from hydrometallurgical leachate. The main objective of this study was to characterize and verify the effectiveness of a sulfide-oxidizing bacterial (SOB) consortium isolated from post-mining wastes for sulfide removal from industrial leachate through elemental sulfur production. The isolated SOB has a complete sulfur-oxidizing metabolic system encoded by sox genes and is dominated by the Arcobacter genus. XRD analysis confirmed the presence of elemental sulfur in the collected sediment during cultivation of the SOB in synthetic medium under controlled physicochemical conditions. The growth yield after three days of cultivation reached ~2.34 gprotein/molsulfid, while approximately 84% of sulfide was transformed into elemental sulfur after 5 days of incubation. Verification of isolated SOB on the industrial effluent confirmed that it can be used for effective sulfide concentration reduction (~100% reduced from the initial 75.3 mg/L), but for complete leachate treatment (acceptable for discharged limits), bioaugmentation with other bacteria is required to ensure adequate reduction of chemical oxygen demand (COD).

Denitrifying sulfide removal process on high-tetracycline wastewater

2016 ◽  
Vol 205 ◽  
pp. 254-257 ◽  
Author(s):  
Chunshuang Liu ◽  
Jian Xu ◽  
Duu-Jong Lee ◽  
Daoyong Yu ◽  
Lihong Liu
Keyword(s):  
Removal Process ◽  
Sulfide Removal ◽  
Denitrifying Sulfide Removal

Evaluation of a hybrid physicochemical/biological technology to remove toxic H2S from air with elemental sulfur recovery

Chemosphere ◽  
2019 ◽  
Vol 222 ◽  
pp. 732-741 ◽  
Author(s):  
Antonio Velasco ◽  
Juan Manuel Morgan-Sagastume ◽  
Armando González-Sánchez
Keyword(s):  
Elemental Sulfur ◽  
Sulfur Recovery ◽  
Biological Technology

A novel boost circuit design and in situ electricity application for elemental sulfur recovery

2014 ◽  
Vol 248 ◽  
pp. 317-322 ◽  
Author(s):  
Jia Liu ◽  
Yujie Feng ◽  
Weihua He ◽  
Yuanyuan Gong ◽  
Youpeng Qu ◽  
...  
Keyword(s):  
Circuit Design ◽  
Elemental Sulfur ◽  
Sulfur Recovery

Reduction of produced elementary sulfur in denitrifying sulfide removal process

2011 ◽  
Vol 90 (3) ◽  
pp. 1129-1136 ◽  
Author(s):  
Xu Zhou ◽  
Lihong Liu ◽  
Chuan Chen ◽  
Nanqi Ren ◽  
Aijie Wang ◽  
...  
Keyword(s):  
Elementary Sulfur ◽  
Removal Process ◽  
Sulfide Removal ◽  
Denitrifying Sulfide Removal

Influence of Sulfide to Nitrate Ratios on Denitrifying Sulfide Removal and Elemental Sulfur Reclamation from Wastewater Containing High Organic Carbon Concentration

2013 ◽  
Vol 726-731 ◽  
pp. 2186-2190 ◽  
Author(s):  
Shuang Gao ◽  
Ye Yuan ◽  
Chuan Chen ◽  
Ai Jie Wang
Keyword(s):  
Elemental Sulfur ◽  
Elementary Sulfur ◽  
Transformation Rate ◽  
High Concentration ◽  
Sulfide Removal ◽  
Batch Tests ◽  
Organic Carbon Concentration ◽  
Low Efficiency ◽  
Sulfur Transformation ◽  
Denitrifying Sulfide Removal

This study evaluated the effect of sulfide to nitrate (S/N) ratios on elementary sulfur biotransformation in a simultaneous autotrophic and heterotrophic denitrifying sulfide removal (DSR) process, at a carbon to nitrate (C/N) ratio of 3/1. Four groups of batch tests were conducted at S/N ratios of 5/2, 5/5, 5/6 and 5/8, respectively. Results showed a low accumulation of elementary sulfur. Elementary sulfur was first obtained by the oxidizing of sulfide through DSR process and then was reduced back to sulfide with the interaction of surplus acetate. The highest elementary sulfur transformation rates at S/N ratios of 5/2, 5/5, 5/6 and 5/8 were 47.1%, 94.7%, 94.0% and 93.5%, respectively. It can be concluded from analysis of the stoichiometric proportion of the bio-chemical reactions that the proportion of acetate consumed in DSR process to the whole acetate consumption in the first 6 hours were no more than 50%, indicating a low efficiency of DSR process under high concentration of organic carbons, except for the condition under S/N of 5/6, during which period the highest proportion can be as much as 85.6%. Given the elemental sulfur transformation rate and the acetate consumption proportion in DSR process, it can be concluded that adjusting the ratio of sulfide to nitrate at an appropriate level (around 5/6) would be an appropriate strategy for higher elemental sulfur transformation.

Sign in / Sign up

Export Citation Format

Share Document