霍尼韦尔UOP公司开发石脑油制乙烷丙烷(NEP)工艺.pdfVIP

第1期田颖.特殊高浓度污水电化学氧化预处理技术研究及应用153

RESEARCHANDAPPLICATIONOFELECTROCHEMICALOXIDATION

PRETREATMENTTECHNOLOGYFORSPECIALHIGH

POLLUTANTLOADEFFLUENT

TianYing

(Zhongke(Guangdong)RefineryPetrochemicalCo.,Ltd.,Zhanjiang,Guangdong524012)

Abstract:Inresponsetothesafetyandenvironmentalissuesrelatedtothestorageandtreatmentof

specialhighconcentrationwastewaterinapetrochemicalenterprise,thispaperconductedexperimental

researchonpretreatmentmainlybasedonelectrochemicaloxidation.Theprocessparametersof

electrochemicaloxidationweredeterminedthroughsmall-scaleexperiments.Theresultsofthesideline

testshowthatundervariouswaterratios,thepretreatmenttechnologymainlybasedonelectrochemical

oxidationcanachieveammonianitrogenremovalrategreaterthan93%andchemicaloxygendemand

(COD)removalrategreaterthan45%.Afteranalyzingandsolvingtheproblemofengineeringscaling

up,theindustrialdeviceoperatedstablyfor7months.Theresultsshowedthatunderstableincoming

waterconditions,themassconcentrationofammonianitrogenintheeffluentwaslessthan35mg/L,and

theCODwaslessthan1000mg/L,meetingtherequirementsforpre-treatmenteffluent.Thisstudy

solvestheproblemofstorageandtreatmentofsuchspecialwastewater.

KeyWords:specialhigh-concentrationwastewater;electrochemicaloxidation;pretreatment

technology;COD;ammonianitrogen

2等特点。此外，NEP工艺可将每吨轻质烯烃的碳排放量降

简讯低5%～50%，且具有优异的适应性和原料安全性。

由于NEP工艺以石脑油或液化石油气（LPG)为原料

制备乙烷和丙烷，并能根据需求调整乙烷和丙烷的比例。

霍尼韦尔UOP公司开发石脑油制NEP工艺可将每吨乙烯的生产成本降低30～70美元。