?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENAMBAHAN+ASAP+CAIR+SERABUT+KELAPA+SAWIT%0D%0ASEBAGAI+INHIBITOR+KERAK+KALSIUM+SULFAT+(CaSO4)%0D%0AMENGGUNAKAN+METODE+SEEDED+EXPERIMENT&rft.creator=SEPTIANA+%2C+RAHAYU+NINGTYAS&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Permasalahan+keberadaan+kerak+yang+ditemukan+pada+pipa+industri+dapat+menjadi%0D%0Amasalah+serius+yang+menyebabkan+penyempitan+jalur+aliran+fluida+dan%0D%0Amengakibatkan+kerugian.+Keberadaan+kerak+seperti+kalsiumsulfat(CaSO4)menjadi%0D%0Asalah+satu+jenis+kerak+yang+sering+ditemukan+pada+permasalahan+tersebut%2C+sehingga%0D%0Adibutuhkan+metode+penghambatan+kerak+menggunakan+inhibitor+kerak.+Oleh%0D%0Akarena+itu%2C+dalam+penelitian+ini+telah+dilakukan+pengujian+asap+cair+serabut+kelapa%0D%0Asawit+sebagai+inhibitor+kerak+CaSO4+menggunakan+metode+penambahan+bibit%0D%0Akristal+(seeded+experiment).+Konsentrasi+larutan+pertumbuhan+CaSO4+0%2C038%3B+0%2C050%3B%0D%0A0%2C063+dan+0%2C075+M+diujikan+pada+inhibitor+asap+cair+serabut+kelapa+sawit+dengan%0D%0Avariasi+konsentrasi+75%2C+100%2C+125%2C+dan+150+ppm.+Efektivitas+inhibitor+tertinggi+terjadi%0D%0Apada+penambahan+inhibitor+dengan+konsentrasi+150+ppm+terhadap+larutan%0D%0Apertumbuhan+dengan+konsentrasi+0%2C038+M+diperoleh+persentase+efektivitas+sebesar%0D%0A51%2C38+%25.+Hasil+analisis+kualitatif+menggunakan+Scanning+Eelectron+Miscrocopy%0D%0A(SEM)+setelah+penambahan+inhibitor%2C+morfologi+kerak+CaSO4+berbentuk+lebih%0D%0A%0D%0Apendek%2C+berukuran+kecil%2C+dan+tidak+beraturan.+Analisis+kualitatif+menggunakan+X-%0D%0ARay+Diffraction+(XRD)+menunjukkan+adanya+penurunan+intensitas+setelah%0D%0A%0D%0Apenambahan+inhibitor+dengan+munculnya+fasa+baru+anhidrit+didominasi+oleh+fasa%0D%0Abasanit+dan+sedikit+gipsum.+Analisis+kuantitatif+menggunakan+Particle+Size%0D%0AAnalyzer+(PSA)+menunjukkan+penurunan+ukuran+partikel+kristal+CaSO4+setelah%0D%0Apenambahan+inhibitor+yakni+nilai+rata-rata+(mean)+dari+14%2C68+%CE%BCm+menjadi+12%2C62+%CE%BCm%0D%0Adan+nilai+tengah+(median)+dari+11%2C61+%CE%BCm+menjadi+10%2C01+%CE%BCm.%0D%0A%0D%0AKata+kunci%3A+asap+cair+serabut+kelapa+sawit%2C+inhibitor%2C+kerak+CaSO4%0D%0A%0D%0A%0D%0AThe+problem+of+scale+formation+found+in+industrial+pipes+can+be+a+serious+issue%2C%0D%0Acausing+narrowing+of+fluid+flow+paths+and+resulting+in+losses.+Scale+such+as+calcium%0D%0Asulfate+(CaSO4)+is+a+common+type+encountered+in+these+issues%2C+necessitating+scale%0D%0Ainhibition+methods+using+scale+inhibitors.+Therefore%2C+this+study+conducted+testing+of%0D%0Apalm+oil+fiber+smoke+liquid+as+a+CaSO4+scale+inhibitor+using+the+seeded+experiment%0D%0Amethod.+Concentrations+of+CaSO4+growth+solution+at+0.038%3B+0.050%3B+0.063%3B+and+0.075%0D%0AM+were+tested+with+varying+concentrations+of+palm+fiber+liquid+smoke+inhibitors+at%0D%0A75%2C+100%2C+125%2C+and+150+ppm.+The+highest+inhibitor+effectiveness+occurred+with+the%0D%0Aaddition+of+150+ppm+inhibitor+to+a+growth+solution+of+0.038+M+CaSO4%2C+resulting+in%0D%0Aan+effectiveness+percentage+of+51.38%25.+Qualitative+analysis+using+Scanning%0D%0AElectron+Microscopy+(SEM)+after+inhibitor+addition+showed+that+the+morphology+of%0D%0ACaSO4+scale+became+shorter%2C+smaller%2C+and+irregularly+shaped.+Qualitative+analysis%0D%0Ausing+X-Ray+Diffraction+(XRD)+indicated+a+decrease+in+intensity+after+inhibitor%0D%0Aaddition%2C+with+the+appearance+of+a+new+anhydrite+phase+dominated+by+basanite+and%0D%0Asome+gypsum+phases.+Quantitative+analysis+using+Particle+Size+Analyzer+(PSA)%0D%0Arevealed+a+decrease+in+the+crystal+particle+size+of+CaSO4+after+inhibitor+addition%2C%0D%0Awith+the+mean+decreasing+from+14.68+%CE%BCm+to+12.62+%CE%BCm+and+the+median+from+11.61%0D%0A%CE%BCm+to+10.01+%CE%BCm.%0D%0A%0D%0AKeywords%3A+palm+fiber+liquid+smoke%2C+inhibitor%2C+CaSO4+scale&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-08-01&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81348%2F1%2FSeptiana%2520Rahayu%2520Ningtyas_2017011017_ABSTRAK%2520-%2520septiana.rahayuningtyas2017%2520septiana.rahayuningtyas2017.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81348%2F2%2FSeptiana%2520Rahayu%2520Ningtyas_2017011017_SKRIPSI%2520FULL%2520PEMBAHASAN%2520-%2520septiana.rahayuningtyas2017%2520septiana.rahayuningtyas2017.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81348%2F3%2FSeptiana%2520Rahayu%2520Ningtyas_2017011017_SKRIPSI%2520%2528TANPA%2520PEMBAHASAN%2529%2520-%2520septiana.rahayuningtyas2017%2520septiana.rahayuningtyas2017.pdf&rft.identifier=++SEPTIANA+%2C+RAHAYU+NINGTYAS++(2024)+STUDI+PENAMBAHAN+ASAP+CAIR+SERABUT+KELAPA+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%2F81348%2F