CAUSES AND TREATMENT OF EXCESSIVE METHANOL CONTENT IN PROPYLENE PRODUCTS

PETROLEUM PROCESSING AND PETROCHEMICALS ›› 2025, Vol. 56 ›› Issue (3): 74-78.

CAUSES AND TREATMENT OF EXCESSIVE METHANOL CONTENT IN PROPYLENE PRODUCTS

#br#

Received:2024-08-20 Revised:2024-11-19 Online:2025-03-12 Published:2025-02-25

Abstract

Abstract: 中化能源正和集团股份有限公司生产的丙烯产品执行《聚合级丙烯》（GB/T 7716—2014）标准，丙烯中甲醇质量分数要求不高于10 μg/g。2023年1月丙烯产品中甲醇含量出现超标现象，该生产技术部门联合质量检测中心对甲醇含量超标原因进行了分析和排查，发现丙烯中的甲醇来自脱硫装置加注的除臭精制液。通过更换该助剂，并调整丙烯塔工艺参数，较短时间内解决了丙烯中甲醇含量超标问题。

Key words: gas chromatography, propylene, methanol, deodorant refining liquid

[1]	. THE CURRENT STATUS AND SUGGESTIONS FOR THE DEVELOPMENT OF GREEN METHANOL [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2025, 56(2): 149-155.
[2]	. DEVELOPMENT AND APPLICATION OF IMPURITY DETECTION TECHNOLOGIES OF HYDROGEN FOR PROTON EXCHANGE MEMBRANE FUEL CELLS [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2025, 56(1): 1-10.
[3]	. DETAILED HYDROCARBON ANALYSIS AND PROPERTY PREDICTION OF GASOLINE BY FAST GAS CHROMATOGRAPHY [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2025, 56(1): 172-180.
[4]	. STUDY ON SYNTHESIS OF POLYETHER POLYOLS [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2025, 56(1): 154-159.
[5]	. ANALYSIS OF ENERGY CONSUMPTION AND ECONOMY OF HYDROGEN PRODUCTION FROM METHANOL STEAM REFORMING [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(9): 136-143.
[6]	. RESEARCH PROGRESS AND EXPERIMENTAL EXPLORATION OF SUSTAINABLE AVIATION FUEL PRODUCTION TECHNOLOGY [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(9): 171-176.
[7]	. DEVELOPMENT AND COMMERCIAL APPLICATION OF TAILORED START-UP CATALYST FOR RESID TO CHEMICALS UNIT [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(9): 1-7.
[8]	. STUDY ON CATALYTIC CRACKING PROCESS OF HYDROGENATED STRAIGHT-RUN DIESEL [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(8): 26-31.
[9]	. PROCESS SIMULATION OF LIGHT GASOLINE ETHERIFICATION UNIT [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(7): 144-151.
[10]	. THE DETERMINATION OF TRACE IMPURITIES IN ISOPRENE BY CENTRAL CUTTING GAS CHROMATOGRAPHY [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(7): 129-134.
[11]	. COUPLING CONVERSION OF METHANOL AND BUTYLENE TO PROPYLENE ON Ce-MODIFIED HZSM-5 ZEOLITE CATALYST [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(6): 74-82.
[12]	. STATUS AND PRACTICAL EFFECT ANALYSIS IN DISTRIBUTED HYDROGEN PRODUCTION TECHNOLOGY [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(4): 133-138.
[13]	. ANALYSIS ON PRESSURE CHARACTERISTIC OF CATALYST DESCENDING IN STANDPIPE OF METHANOL TO OLEFINS UNIT [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(4): 74-78.
[14]	. DETERMINATION OF C₇ ETHERS IN GASOLINE BY GAS CHROMATOGRAPHY WITH OXYGEN SELECTIVE DETECTOR [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(3): 113-117.
[15]	. MODE-FREE ADAPTIVE CONTROL WITH REAL-TIME PARAMETER TUNING AND ITS APPLICATION IN GAS FRACTIONATION UN [J]. PETROLEUM PROCESSING AND PETROCHEMICALS, 2024, 55(3): 97-106.

CAUSES AND TREATMENT OF EXCESSIVE METHANOL CONTENT IN PROPYLENE PRODUCTS

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments