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Laboratory study on high-temperature adsorption of HCl by dry-injection of Ca(OH)

Junjun TAN,Guohua YANG,Jingqiao MAO,Huichao DAI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 863-870 doi: 10.1007/s11783-013-0618-9

Abstract: Combustion-generated hydrogen chloride (HCl) is considered to be a very hazardous acid gaseous pollutantThis paper presents a laboratory study on the dry adsorption of HCl.The experiments were conducted in a dual-layer granular bed filter, at gas temperatures of 500°C–700°With a relatively higher HCl concentration of 1000 ppm, the experimental results revealed that 600°Cmay be the optimum temperature for HCl adsorption when optimum (Ca)/ (Cl) was 2.5 in our tests.

Keywords： acid gas HCl     Ca(OH)2     dry adsorption     high temperature     dual-layer granular bed filter    

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Study on HCl removal for medical waste pyrolysis and combustion using a TG-FTIR analyzer

Hongmei ZHU,Weiying CHEN,Xuguang JIANG,Jianhua YAN,Yong CHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 230-239 doi: 10.1007/s11783-014-0651-3

Abstract: Under both pyrolysis and combustion condition, HCl removal efficiency for medical waste with Ca-basedAdditionally, the difference of HCl removal efficiency for PVC and medical waste was compared.emitted at both two steps and HCl concentration increased with the increased of Cl ratio in the medicalwaste; 3) for the same additive, HCl concentration decreased with the increased of additives amount,Fourth, when Ca(OH) was used as additive, HCl removal efficiency for medical waste combustion was a

Keywords： pollution     medical waste     pyrolysis     combustion     TG-FTIR     HCl removal    

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A thermodynamic study of the removal of HCl and H

Joseph LEE, Bo FENG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 67-83 doi: 10.1007/s11705-011-1162-4

Abstract: The thermodynamic behavior of 13 sorbents for the removal of HCl and H S under various conditions including: initial toxic gas concentration (1–10000 ppm), operating pressure (0.1–11 Mpa), temperature (300 K–The correlation between HCl and H S was also examined.The addition of water vapor to the reactant gas produces a slightly detrimental effect on most of theHowever, the desulfurization capability of some sorbents was greatly affected by the presence of HCl.

Keywords： syngas cleaning     sorbent     desulfurization     dechlorination    

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Preparation of a Pb loaded gas diffusion electrode and its application to CO

Ang LI, Hua WANG, Jinyu HAN, Li LIU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 381-388 doi: 10.1007/s11705-012-1216-2

Abstract: A Pb loaded gas diffusion electrode was fabricated and used for the electroreduction of CO to formicacid.The preparation conditions of the gas diffusion electrode were optimized by adjusting the amounts ofpolytetrafluoroethylene (PTFE) in the gas diffusion layer and acetylene black in the catalytic layer.The current efficiency of formic acid after 1 h of operation reached a maximum of 22% at -2.0 V versus

Keywords： electroreduction     carbon dioxide     lead catalyst     gas diffusion electrode     formic acid    

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Sensitivity analysis of using diethanolamine instead of methyldiethanolamine solution for GASCO’S Habshan acid

Samah Zaki NAJI, Ammar Ali ABD

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 317-324 doi: 10.1007/s11708-019-0622-2

Abstract: Sweeting natural gas processes are mainly focused on removing carbon dioxide (CO ) and hydrogen sulfideusing Hysys to reasonably predict removal amounts of carbon dioxide and hydrogen sulfide from natural gasparametric analysis has been performed to test all possible parameters that affect the performance of the acidoperational parameters are examined in terms of carbon dioxide and hydrogen sulfide contents in clean gas

Keywords： acid gas     diethanolamine     methyldiethanolamine     carbon dioxide capturing     HYSYS simulation    

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The construction of technical standards system for ultra deep and high acid Gas Field in North-East of

Liu Yintao,Liao Chengrui,Yang Yukun

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 97-102

Abstract:

To deal with exploitation difficulties of North-East Sichuan gas fieldGroup established an integrated suit of technical company standards system for ultra deep and high acidgas field.system includes 51 standards, containing geophysical prospecting, drilling, logging, well logging, gaswell test and collection, acid gas gathering and transportation system, and HSE (health, safety, environment

Keywords： ultra deep     high acid     natural gas     exploration and development     enterprise standard    

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Overview of Sichuan-to-East gas transmission project engineering construction

Cao Yaofeng

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 4-8

Abstract:

The Sichuan-to-East gas transmission project is the first systemic engineeringproject in China to explore and develop an ultra deep & high acid gas field on such a large scale, which contains natural gas exploration and development, centralized purification treatment, long distanceThe construction and management experience of oversize comprehensive natural gas project about the ultradeep and high acid gas field exploration and development series techniques would surely be a useful

Keywords： high acid gas field     technology integration and innovation     management innovation and run mode     largenatural gas conditioning plant    

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The exploration and development engineering technology for ultra deep and high acid gas field in Northeast

Shen Chen

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 29-34

Abstract: so many world-classic problems to the exploration and development engineering in Northeast Sichuan gasBy introduction, research and practice, serial techniques such as drilling, gas test, and completionworkover, etc., for the ultra deep and highly acidic gas field were gradually formed.Therefore Puguang Gas Field, for the first time, such reservoir is safely developed in China.This paper introduced these techniques briefly to provide reference for domestic similar gas fields and

Keywords： Northeast Sichuan     ultra-deep well     high sulfur     exploration and development     drilling     completion    

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Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1198-1210 doi: 10.1007/s11705-021-2133-z

Abstract: Sulfonic acid functionalized mesoporous silica based solid acid catalysts with different morphology wereThe sulfonic acid functionalized mesoporous silica catalysts of spherical shape and the cube shape werecatalytic biodiesel production reaction over the catalysts were studied by esterification of free fatty acid, oleic acid with methanol.The effect of various reaction parameters such as catalyst concentration, acid/alcohol molar ratio, catalyst

Keywords： solid acid catalyst     mesoporous silica     sulfonic acid     biodiesel     esterification     oleic acid    

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Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 697-699 doi: 10.1007/s11708-022-0843-7

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Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 784-794 doi: 10.1007/s11705-022-2278-4

Abstract: biocatalysts; however, it is limited by the conditions of metal–organic framework synthesis and its acid-baseHerein, a biocatalytic platform with improved acid-base stability was constructed via a one-pot methodusing bismuth-ellagic acid as the carrier.Bismuth-ellagic acid is a green phenol-based metal–organic framework whose organic precursor is extractedacid was enhanced, which remained stable over a wide pH range (2–12) and achieved multiple recycling

Keywords： bismuth-ellagic acid     in situ encapsulation     enzyme@MOF biocomposites    

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Discovery of novel ursolic acid derivatives as effective antimicrobial agents through a ROS-mediated

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2101-2113 doi: 10.1007/s11705-023-2361-5

Abstract: In this study, we prepared three series of ursolic acid derivatives and assessed their antibacterialredox system of phytopathogenic bacteria, further demonstrating the unprecedented potential of ursolic acid

Keywords： ursolic acid     antibacterial activities     reactive oxygen species     apoptosis    

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Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 261-265 doi: 10.1007/s11705-007-0047-z

Abstract: Polyaspartic acid (PASP) composite, a scale inhibitor, was prepared from PASP, itaconic acid–acrylicacid–acrylic ester (IA-AA-AE) terpolymer and 2-phosphonobutane- 1,2,4-tricarboxylic acid (PBTCA).

Keywords： synergism     magnetic     PBTCA     dynamic     acid–acrylic acid–acrylic    

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Abiotic association of phthalic acid esters with humic acid of a sludge landfill

Xiaoli CHAI, Yongxia HAO, Xin ZHAO, Guixiang LIU, Ying ZHU, Rong JI, Jun WU, Huanhuan TONG, Youcai ZHAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 778-783 doi: 10.1007/s11783-012-0434-7

Abstract: The abiotic association between phthalic acid esters (PAEs) and humic substances (HS) in sludge landfillthe abiotic association of two abundant PAEs (diethyl phthalate and di- -butyl phthalate) with humic acid

Keywords： abiotic association     phthalic acid esters (PAEs)     humic acid     sludge     landfill    

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New perspectives in free nitrous acid (FNA) uses for sustainable wastewater management

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11783-024-1786-5

Abstract:

● The historical development of free nitrous acid (FNA) technologies

Keywords： Free nitrous acid     Acid-tolerant ammonia oxidizer     In situ generation     Wastewater management    

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Title Author Date Type Operation

Laboratory study on high-temperature adsorption of HCl by dry-injection of Ca(OH)

Junjun TAN,Guohua YANG,Jingqiao MAO,Huichao DAI

Journal Article

Study on HCl removal for medical waste pyrolysis and combustion using a TG-FTIR analyzer

Hongmei ZHU,Weiying CHEN,Xuguang JIANG,Jianhua YAN,Yong CHI

Journal Article

A thermodynamic study of the removal of HCl and H

Joseph LEE, Bo FENG

Journal Article

Preparation of a Pb loaded gas diffusion electrode and its application to CO

Ang LI, Hua WANG, Jinyu HAN, Li LIU

Journal Article

Sensitivity analysis of using diethanolamine instead of methyldiethanolamine solution for GASCO’S Habshan acid

Samah Zaki NAJI, Ammar Ali ABD

Journal Article

The construction of technical standards system for ultra deep and high acid Gas Field in North-East of

Liu Yintao,Liao Chengrui,Yang Yukun

Journal Article

Overview of Sichuan-to-East gas transmission project engineering construction

Cao Yaofeng

Journal Article

The exploration and development engineering technology for ultra deep and high acid gas field in Northeast

Shen Chen

Journal Article

Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Journal Article

Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Journal Article

Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Journal Article

Discovery of novel ursolic acid derivatives as effective antimicrobial agents through a ROS-mediated

Journal Article

Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Journal Article

Abiotic association of phthalic acid esters with humic acid of a sludge landfill

Xiaoli CHAI, Yongxia HAO, Xin ZHAO, Guixiang LIU, Ying ZHU, Rong JI, Jun WU, Huanhuan TONG, Youcai ZHAO

Journal Article

New perspectives in free nitrous acid (FNA) uses for sustainable wastewater management

Journal Article