Natthaphon Ardhan, P. Tongpadungrod, W. Songkasiri, T. Suttikul, C. Phalakornkule
{"title":"Upgrading of Biogas Generated from Shrimp Processing Effluent Using Vacuum Pressure Swing Adsorption","authors":"Natthaphon Ardhan, P. Tongpadungrod, W. Songkasiri, T. Suttikul, C. Phalakornkule","doi":"10.1002/ceat.202300454","DOIUrl":null,"url":null,"abstract":"In this study, a field study was presented on upgrading the biogas generated from shrimp processing wastewater (sfw‐biogas) that had H2S of 5000–6000 ppm, CO2 13–32 %, and CH4 68–87 % using the oxidative absorption of H2S in iron‐chelated solution in series with vacuum pressure swing adsorption (VPSA). The regeneration of the adsorbent treating sfw‐biogas required a shorter evacuation time than that of treating the biogas with a typical composition of 60 % CH4 (t‐biogas). The VPSA process treating sfw‐biogas required half the evacuation time and 26 % lower energy consumption. However, the methane recovery decreased from 80 % for t‐biogas to 65 % for sfw‐biogas.","PeriodicalId":319706,"journal":{"name":"Chemical Engineering & Technology","volume":"59 12","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Engineering & Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/ceat.202300454","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this study, a field study was presented on upgrading the biogas generated from shrimp processing wastewater (sfw‐biogas) that had H2S of 5000–6000 ppm, CO2 13–32 %, and CH4 68–87 % using the oxidative absorption of H2S in iron‐chelated solution in series with vacuum pressure swing adsorption (VPSA). The regeneration of the adsorbent treating sfw‐biogas required a shorter evacuation time than that of treating the biogas with a typical composition of 60 % CH4 (t‐biogas). The VPSA process treating sfw‐biogas required half the evacuation time and 26 % lower energy consumption. However, the methane recovery decreased from 80 % for t‐biogas to 65 % for sfw‐biogas.
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