?url_ver=Z39.88-2004&rft_id=1817011002&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENAMBAHAN+CAMPURAN+EKSTRAK+KULIT+NANAS+(Ananas%0D%0Acomosus)+DAN+ASAP+CAIR+TEMPURUNG+KELAPA+SEBAGAI%0D%0AINHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+MENGGUNAKAN%0D%0AMETODE+UNSEEDED+EXPERIMENT&rft.creator=Putri+Ayu+Anggraini%2C+putriayuanggraini9800%40gmail.com&rft.subject=000+Ilmu+komputer%2C+informasi+dan+pekerjaan+umum&rft.subject=001+Ilmu+pengetahuan&rft.description=ABSTRAK%0D%0ASTUDI+PENAMBAHAN+CAMPURAN+EKSTRAK+KULIT+NANAS+(Ananas%0D%0Acomosus)+DAN+ASAP+CAIR+TEMPURUNG+KELAPA+SEBAGAI%0D%0AINHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+MENGGUNAKAN%0D%0AMETODE+UNSEEDED+EXPERIMENT%0D%0AOleh%0D%0APutri+Ayu+Anggraini%0D%0APada+penelitian+ini+dilakukan+penambahan+campuran+ekstrak+kulit+nanas+dan+asap%0D%0Acair+tempurung+kelapa+grade+2+yang+digunakan+untuk+mencegah+terjadinya%0D%0Apenumpukan+kerak+CaCO3+pada+peralatan+industri+seperti+pipa.+Konsentrasi%0D%0Alarutan+pertumbuhan+CaCO3+yang+digunakan+yaitu+0%2C05%2C+0%2C075%2C+0%2C100%2C+dan+0%2C125%0D%0AM+dengan+menggunakan+metode+unseeded+experiment.+Penambahan+inhibitor%0D%0Aekstrak+kulit+nanas+pada+larutan+pertumbuhan+0%2C050+M+dengan+konsentrasi%0D%0Ainhibitor+250+ppm+memberikan+efektivitas+sebesar+24%2C07%25.+Sehingga+dilakukan%0D%0Apenambahan+dengan+menggunakan+asap+cair+tempurung+kelapa+grade+2+untuk%0D%0Amemperoleh+inhibitor+dengan+kualitas+yang+baik+dalam+menghambat+kerak+CaCO3%0D%0Adengan+perbandingan+ekstrak+kulit+nanas+dan+asap+cair+tempurung+kelapa+(KA)%0D%0Asebesar+5%3A1%2C+5%3A3%2C+5%3A5%2C+dan+5%3A7.+Pada+perbandingan+KA+5%3A7+memiliki+efektivitas%0D%0Atertinggi+dalam+menghambat+pertumbuhan+kristal+CaCO3%2C+sehingga+campuran%0D%0Ainhibitor+KA+(5%3A7)+diujikan+kembali+dengan+variasi+konsentrasi+50-250+ppm.+Pada%0D%0Akonsentrasi+inhibitor+250+ppm+dan+konsentrasi+larutan+pertumbuhan+0%2C050+M%0D%0Amemberikan+persentase+efektivitas+tertinggi+sebesar+80%2C17%25.+Hasil+karakterisasi%0D%0Amenggunakan+Scanning+Electron+Microscopy+(SEM)%2C+dan+X-Ray+Diffraction%0D%0A(XRD)+menunjukkan+adanya+perubahan+morfologi+kristal+CaCO3%2C+terdapat+fase%0D%0Akalsit+dan+aragonit+sebelum+menggunakan+inhibitor+dan+setelah+menggunakan%0D%0Ainhibitor+KA+(5%3A7)+terdapat+adanya+fase+baru+yaitu+fase+vaterit.+Distribusi+ukuran%0D%0Apartikel+kerak+CaCO3+menggunakan+Particle+Size+Analyzer+(PSA)+menunjukkan%0D%0Aadanya+perubahan+ukuran+partikel+kerak+CaCO3+sebelum+menggunakan+inhibitor%0D%0Adengan+nilai+rata-rata+sebesar+21%2C15+%CE%BCm+dan+setelah+menggunakan+inhibitor+KA%0D%0A(5%3A7)+menjadi+13.128+%CE%BCm.%0D%0AKata+kunci+%3A+asap+cair%2C+CaCO3%2C+ekstrak+kulit+nanas%2C+inhibitor%2C+kerak%0D%0A%0D%0A%0D%0AIn+this+study%2C+the+addition+of+mixed+pineapple+peel+extract+and+liquid+smoke+of%0D%0Acoconut+shell+grade+2+was+used+to+prevent+the+accumulation+of+CaCO3+scale+in%0D%0Aindustrial+equipment+such+as+pipes.+It+used+an+unseeded+experiment+method+at%0D%0Avarious+growth+solutions+concentrations%2C+such+as+0.05%2C+0.075%2C+0.100%2C+and+0.125+M.%0D%0AThe+addition+of+pineapple+peel+extract+as+an+inhibitor+at+0.050+M+growth+solution%0D%0Aand+250+ppm+inhibitor+gave+an+effectiveness+of+24.07%25.+So%2C+liquid+smoke+of%0D%0Acoconut+shell+grade+2+was+added+to+obtain+an+inhibitor+with+good+quality+in%0D%0Ainhibiting+CaCO3+at+a+ratio+of+pineapple+peel+extract+and+coconut+shell+liquid%0D%0Asmoke+(KA)+were+5%3A1%2C+5%3A3%2C+5%3A5%2C+and+5%3A7.+In+the+ratio+of+KA+5%3A7+has+the+highest%0D%0Aeffectiveness+and+inhibited+CaCO3+crystals+growth%2C+so+the+mixture+of+inhibitor+KA%0D%0A(5%3A7)+was+retested+again+by+with+varying+the+concentration+by+50-250+ppm.+The%0D%0Ahighest+percentage+of+effectiveness+is+80.17%25+occurred+at+a+250+ppm+inhibitor%0D%0Aconcentration+and+0.050+M+growth+solution.+The+results+of+Scanning+Electron%0D%0AMicroscopy+(SEM)+and+X-Ray+Diffraction+(XRD)+characterization+showed+that%0D%0Athere+was+a+change+in+the+morphology+of+the+CaCO3+crystals%2C+there+were+calcite%0D%0Aand+aragonite+phases+before+using+the+inhibitor%2C+and+after+using+the+KA+inhibitor%0D%0A(5%3A7)+there+was+a+new+phase%2C+namely+vaterite.+The+particle+size+distribution+of%0D%0ACaCO3+using+the+Particle+Size+Analyzer+(PSA)+showed+a+change+in+CaCO3%0D%0Aparticles+before+using+the+inhibitor+with+a+mean+value+of+21.15+%CE%BCm+and+after+using%0D%0Athe+KA+inhibitor+(5%3A7)+become+to+13%2C128+%CE%BCm.%0D%0AKeywords+%3A+CaCO3%2C+inhibitor%2C+liquid+smoke%2C+pineapple+peel+extract%2C+scale&rft.publisher=MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2022-09-02&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F66223%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F66223%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F66223%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Putri+Ayu+Anggraini%2C+putriayuanggraini9800%40gmail.com++(2022)+STUDI+PENAMBAHAN+CAMPU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