?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENAMBAHAN+ASAP+CAIR+PELEPAH+SAWIT+SEBAGAI+%0D%0AINHIBITOR+KERAK+KALSIUM+SULFAT+(CaSO4)+MENGGUNAKAN%0D%0AMETODE+SEEDED+EXPERIMENT&rft.creator=TRI+PATMASARI%2C+1517011117&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pada+proses+pendistribusian+minyak+mentah+atau+crude+oil%2C+sering+dijumpai+%0D%0Aadanya+masalah-masalah+yang+mengganggu+aliran+fluida+yang+melewati+pipa%2C+%0D%0Asalah+satunya+adalah+terbentuknya+kerak.+Kerak+yang+terbentuk+pada+pipa-pipa+%0D%0Aakan+memperkecil+diameter+dan+menghambat+aliran+fluida+pada+sistem+pipa+%0D%0Atersebut.+Oleh+karena+itu%2C+dalam+penelitian+ini+telah+dilakukan+pengujian+asap+cair+%0D%0Apelepah+sawit+sebagai+inhibitor+kerak+pada+pipa+terutama+kerak+kalsium+sulfat+%0D%0A(CaSO4)+menggunakan+metode+penambahan+bibit+kristal+(seeded+experiment)+pada+%0D%0Avariasi+konsentrasi+larutan+pertumbuhan+CaSO4+sebesar+0%2C0250%3B+0%2C0375%3B+0%2C0500%0D%0Adan+0%2C0625+M+serta+variasi+penambahan+inhibitor+5%2C+15%2C+25+dan+35+%25.+Efektivitas+%0D%0Atertinggi+terjadi+pada+konsentrasi+larutan+pertumbuhan+CaSO4+0%2C0250+M+dan+%0D%0Akonsentrasi+inhibitor+yang+ditambahkan+35%25%2C+diperoleh+persentase+efektivitas+%0D%0Asebesar+261%2C68+%25.+Berdasarkan+analisis+kualitatif+menggunakan+Scanning+%0D%0AElectron+Microscopy+(SEM)+dan+X-Ray+Difraction+(XRD)+menunjukkan+bahwa+%0D%0Akerak+CaSO4+tanpa+penambahan+inhibitor+seperti+batang+yang+menumpuk%2C+%0D%0Amemanjang%2C+berukuran+besar+yang+terdiri+dari+fasa+gipsum+dan+basanit%2C+setelah+%0D%0Apenambahan+inhibitor+permukaan+kristal+terlihat+pendek%2C+berukuran+lebih+kecil%0D%0Ayang+terdiri+dari+fasa+gipsum+dan+basanit+dengan+intensitas+menurun+serta+%0D%0Amunculnya+fasa+baru+anhidrit.+Analisis+kuantitatif+menggunakan+Particel+Size+%0D%0AAnalyzer+(PSA)+menunjukkan+bahwa+kerak+CaSO4+sebelum+dan+setelah+%0D%0Apenambahan+inhibitor+mengalami+penurunan+ukuran+kristal+yakni+nilai+rata-rata+%0D%0A(mean)+dari+15%2C900+menjadi+10%2C370+%CE%BCm+dan+nilai+tengah+(median)+dari+13%2C270%0D%0Amenjadi+8%2C356+%CE%BCm.+Jadi%2C+asap+cair+pelepah+sawit+dapat+digunakan+untuk+%0D%0Amenghambat+kerak+kalsium+sulfat+(CaSO4).%0D%0AKata+kunci+%3A+Asap+cair+pelepah+sawit%2C+CaSO4%2C+kerak%2C+inhibitor%0D%0A%0D%0AIn+the+process+of+distributing+crude+oil%2C+companies+frequently+encountered+%0D%0Aproblems+which+disrupt+the+flow+of+fluid+through+the+pipe%2C+one+of+which+is+the+%0D%0Aformation+of+scale.+Therefore+the+formed+scale+on+the+pipes+will+reduce+the+%0D%0Adiameter+and+inhibit+the+flow+of+fluid+in+the+pipe+system.+Due+to+these+problems%2C%0D%0Ain+this+research%2C+the+testing+of+palm+midrib+liquid+smoke+as+a+scale+inhibitor+on+%0D%0Apipes+especially+on+calcium+sulfate+(CaSO4)+scale+using+the+seeded+experiment%0D%0Amethods+was+succesfully+done+with+the+variations+in+the+concentration+of+CaSO4%0D%0Agrowth+solution+was+0.0250%3B+0.0375%3B+0.0500+and+0.0625+M+respectively+as+well+as+%0D%0Avariations+in+the+addition+of+inhibitors+5%2C+15%2C+25+and+35%25+sequentially.+The+%0D%0Ahighest+effectiveness+occurred+at+the+concentration+of+0.0250+M+CaSO4+growth+%0D%0Asolution+with+35%25+inhibitor+concentration%2C+yielded+the+effectiveness+percentage%0D%0Avalue+of+261.68%25.+Based+on+qualitative+analysis+using+Scanning+Electron+%0D%0AMicroscopy+(SEM)+and+X-Ray+Difraction+(XRD)+showed+that+the+CaSO4+scale%0D%0Awithout+the+addition+of+inhibitors+such+as+rods+that+were+piled%2C+elongated%2C+large%EF%BF%BDsized+consisting+of+gypsum+and+basanite+phases%2C+while+after+the+addition+of+crystal+%0D%0Asurface%2C+the+inhibitors+looked+short%2C+smaller+size+consisting+of+gypsum+and+%0D%0Abasanite+phases+with+decreased+intensity+and+the+emergence+of+new+anhydrite+%0D%0Aphases.+According+to+the+quantitative+analysis+using+Particle+Size+Analyzer+(PSA)+%0D%0Ashowed+that+the+CaSO4+scale+after+the+addition%2C+the+inhibitors+had+decreased+the+%0D%0Acrystal+size+with+the+mean+from+15.900+to+10.370+%CE%BCm+and+the+median+from+13.270+%0D%0Ato+8.335+%CE%BCm.+In+conclusion%2C+the+liquid+smoke+of+a+palm+midrib+can+be+used+to+%0D%0Aovercome+the+calcium+sulfate+(CaSO4)+scale.%0D%0AKeywords+%3A+Liquid+smoke+of+a+palm+midrib%2C+CaSO4%2C+scale%2C+inhibitors%0D%0A%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57174%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57174%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57174%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++TRI+PATMASARI%2C+1517011117++(2019)+STUDI+PENAMBAHAN+ASAP+CAIR+PELEPAH+SAWIT+SEBAGAI+INHIBITOR+KERAK+KALSIUM+SULFAT+(CaSO4)+MENGGUNAKAN+METODE+SEEDED+EXPERIMENT.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57174%2F