?url_ver=Z39.88-2004&rft_id=1917011059&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+GRADE+2+SEBAGAI%0D%0AINHIBITOR+KERAK+MAGNESIUM+KARBONAT+(MgCO3)%0D%0AMENGGUNAKAN+METODE+SEEDED+EXPERIMENT&rft.creator=MAUDI+%2C+CAHYA+MUSLIMAH&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=%0D%0APembentukan+kerak+MgCO3+menyebabkan+timbunan+kerak+cukup+banyak+di%0D%0Adalam+pipa+yang+dapat+menghambat+perpindahan+panas+dan+mengakibatkan%0D%0Akerugian+yang+sangat+besar.+Oleh+karena+itu+untuk+mengatasi+masalah+tersebut%2C%0D%0Atelah+dilakukan+penelitian+ini+dengan+melakukan+pengujian+inhibitor+campuran%0D%0Aekstrak+kulit+nanas+dan+asap+cair+tempurung+kelapa+grade+2+(NA)+pada+kerak%0D%0Amagnesium+karbonat+(MgCO3)+menggunakan+metode+seeded+experiment+pada%0D%0Avariasi+konsentrasi+larutan+pertumbuhan+MgCO3+sebesar+0%2C100%3B+0%2C150%3B+0%2C200%3B+dan%0D%0A0%2C2500+M+yang+diujikan+pada+variasi+perbandingan+konsentrasi+inhibitor+NA+1%3A3%2C%0D%0A2%3A3%2C+3%3A3%2C+dan+4%3A3.+Perbandingan+konsentrasi+yang+paling+efektif+yaitu+4%3A3%0D%0Adivariasikan+kembali+menjadi+konsentrasi+50%2C+100%2C+dan+150+ppm.+Nilai+persentase%0D%0Aefektifitas+yang+paling+tinggi+yaitu+pada+perbandingan+campuran+NA+4%3A3+dengan%0D%0Akonsentrasi+150+ppm+terhadap+larutan+pertumbuhan+dengan+konsentrasi+0%2C100+M%0D%0Asebesar+59%2C14+%25.+Berdasarkan+hasil+analisis+menggunakan+Scanning+Electron%0D%0AMicroscopy+(SEM)+setelah+ditambahkan+inhibitor+morfologi+kerak+MgCO3%0D%0Amenjadi+lebih+tipis+dan+terlihat+lebih+rapuh.+Analisis+menggunakan+X-Ray%0D%0ADiffraction+(XRD)+menunjukkan+kerak+MgCO3+tanpa+dan+dengan+penambahan%0D%0Ainhibitor+memiliki+kemiripan+puncak+dengan+data+hasil+penelitian+sebelumnya%0D%0Anomor+96-900-7621+dengan+fasa+hydromagnesite.+Nilai+rata-rata+(mean)+analisis%0D%0Amenggunakan+Particle+Size+Analyzer+(PSA)+setelah+ditambahkan+inhibitor%0D%0Amenunjukkan+penurunan+ukuran+partikel+kristal+yakni+dari+28%2C10+menjadi+21%2C07%0D%0A%EF%81%ADm+dan+nilai+tengah+(median)+dari+14%2C41+menjadi+12%2C95+%EF%81%ADm.%0D%0AKata+Kunci+%3A+asap+cair+tempurung+kelapa%2C+ekstrak+kulit+nanas%2C+inhibitor%2C+kerak%0D%0AMgCO3%2C.%0D%0A%0D%0AThe+formation+of+MgCO3+scale+causes+quite+a+lot+of+scale+accumulation+in+the+pipe%0D%0Awhich+can+inhibit+heat+transfer+and+result+in+enormous+losses.+Therefore%2C+to%0D%0Aovercome+this+problem%2C+this+research+was+carried+out+by+testing+the+inhibitor%0D%0Amixture+of+pineapple+peel+extract+and+coconut+shell+liquid+smoke+grade+2+(NA)+on%0D%0Amagnesium+carbonate+(MgCO3)+scale+using+the+seeded+experiment+method+at%0D%0Avarying+concentrations+of+MgCO3+growth+solution+of+0.100%3B+0.150%3B+0.200%3B+and%0D%0A0.250+M+tested+at+various+ratios+of+NA+inhibitor+concentrations+1%3A3%2C+2%3A3%2C+3%3A3%2C+and%0D%0A4%3A3.+The+most+effective+concentration+ratio+is+4%3A3%2C+and+it+was+varied+again+into%0D%0Aconcentrations+of+50%2C+100+and+150+ppm.+The+highest+percentage+value+for%0D%0Aeffectiveness+is+the+ratio+of+a+mixture+of+NA+4%3A3+with+a+concentration+of+150+ppm%0D%0Ato+a+growth+solution+with+a+concentration+of+0.100+M+of+59.10+%25.+Based+on+the%0D%0Aresults+of+analysis+using+Scanning+Electron+Microscopy+(SEM)+after+adding%0D%0Ainhibitors+the+morphology+of+the+MgCO3+scale+becomes+thinner+and+looks+more%0D%0Abrittle.+Analysis+using+X-Ray+Diffraction+(XRD)+showed+that+the+MgCO3+scale%0D%0Awithout+and+with+the+addition+of+inhibitors+had+a+peak+similarity+with+the+previous%0D%0Aresearch+data+number+96-900-7621+with+the+hydromagnesite+phase.+The+average%0D%0Avalue+(mean)+analysis+using+the+Particle+Size+Analyzer+(PSA)+after+adding%0D%0Ainhibitors+showed+a+decrease+in+crystal+particle+size+from+28.10+to+21.07+%EF%81%ADm+and%0D%0Athe+median+value+(median)+from+14.41+to+12.95+%EF%81%ADm%0D%0AKeywords+%3A+coconut+shell+liquid+smoke%2C+inhibitor%2C+MgCO3+scale%2C+pineapple+peel%0D%0Aextract.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-07-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74132%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74132%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74132%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++MAUDI+%2C+CAHYA+MUSLIMAH++(2023)+STUDI+PENAMBAHAN+CAMPURAN+EKSTRAK+KULIT+NANAS+(Ananas+comosus)+DAN+ASAP+CAIR+TEMPURUNG+KELAPA+GRADE+2+SEBAGAI+INHIBITOR+KERAK+MAGNESIUM+KARBONAT+(MgCO3)+MENGGUNAKAN+METODE+SEEDED+EXPERIMENT.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F74132%2F