?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENAMBAHAN+ASAP+CAIR+TEMPURUNG+KELAPA+GRADE+2+SEBAGAI%0D%0AINHIBITOR+KERAK+KALSIUM+SULFAT+(CaSO4)+MENGGUNAKAN+METODE%0D%0ASEEDED+EXPERIMENT&rft.creator=AUDINA+UCI+PERTIWI+%2C+1417011012&rft.subject=+&rft.subject=QD+Chemistry&rft.description=Pembentukan+kerak+CaSO4+dalam+pipa-pipa+industri+terutama+pada+industri+minyak+dan+gas%0D%0Adapat+menimbulkan+masalah+yang+cukup+serius.+Oleh+karena+itu%2Cdalam+penelitian+ini+telah%0D%0Adilakukan+pengujian+inhibitor+asap+cair+tempurung+kelapa+Grade+2+pada+kerak+kalsium+sulfat%0D%0A(CaSO4)+menggunakan+metode+penambahan+bibit+kristal+(seeded+experiment)+pada%0D%0Akonsentrasi+larutan+pertumbuhan+CaSO4+sebesar+0%2C050%3B+0%2C075%3B+0%2C100%3B+dan+0%2C125+M+serta%0D%0Avariasi+penambahan+inhibitor+dari+50%2C+150%2C+250+dan+350+ppm.+Efektifitas+tertinggi+terjadi+pada%0D%0Akonsentrasi+dengan+larutan+pertumbuhan+kristal+CaSO4+0%2C050+M+dan+konsentrasi+inhibitor%0D%0Ayang+ditambahkan+sebesar+350+ppm%2C+diperoleh+persen+efektivitas+sebesar+172%2C84%25.%0D%0ABerdasarkan+analisis+menggunakan+scanning+electronmicroscopy+(SEM)+dan+X-Ray%0D%0ADiffraction+(XRD)+menunjukkan+bahwa+kerak+CaSO4+tanpa+penambahan+inhibitor+berukuran%0D%0Abesar+dan+terdiri+dari+kristal+fasa+gypsum+dan+basanit+sedangkan+dengan+penambahan%0D%0Ainhibitor%2C+kerak+CaSO4+menjadi+berukuran+kecil+dan+terdiri+dari+kristal+fasa+basanit%2C+gypsum%0D%0Adan+sedikit+anhidrit.+Analisis+kuantitatif+menggunakan+particle+size+analyzer+(PSA)%0D%0Amenunjukkan+bahwa+distribusi+ukuran+partikel+menjadi+lebih+kecil+dengan+adanya%0D%0Apenambahan+inhibitor+berdasarkan+nilai+rata-rata+(mean)+ukuran+partikel+yaitu+dari+16%2C84%0D%0Amenjadi+0%2C353+%CE%BCm.%0D%0AKata+kunci+%3A+Asap+cair%2C+CaSO4%2C+kerak%2C+inhibitor.%0D%0A%0D%0AABSTRACK%0D%0A%0D%0AScale+formation+in+the+industrial+pipes%2C+especially+on+gas+and+oil+industry+can+lead+to+some%0D%0Aserious+problems.+Therefore+in+this+study%2C+it+has+been+tested+inhibitor+of+liquid+smoke+grade+2%0D%0Ato+calcium+sulfate+(CaSO4)+scale+by+using+seeded+experiment+method+in+the+concentration+of%0D%0ACaSO4+growth+solutions+of+0.050%3B+0.075%3B+0.100%3B+and+0.125+M+and+variation+of+inhibitor+added%0D%0Afrom+50%2C+150%2C+250%2C+and+350+ppm.+The+highest+effectivity+occurred+at+0.05+M+concentration+of%0D%0ACaSO4+crystal+growth+solution+and+350+ppm+inhibitor+concentration+added+with+percent%0D%0Aeffectivity+of+172.84%25.+Based+on+analysis+using+Scanning+Electron+Microscopy+(SEM)+and%0D%0AX-Ray+Diffraction+(XRD)+showed+that+without+the+addition+of+inhibitor%2C+CaSO4+scale+was%0D%0Alarge+and+consisted+of+gypsum+and+basannite+phase+crystals+while+with+the+addition+of%0D%0Ainhibitor%2C+the+CaSO4+scale+became+small+and+consisted+of+basannite%2C+gypsum+and+a+little%0D%0Aanhydrite.+Quantitative+analysis+using+Particle+Size+Analyzer+(PSA)+showed+that+particle+size%0D%0Adistribution+became+smaller+with+the+addition+of+inhibitor+based+on+mean+value+from+16.84+to%0D%0A0.353+%CE%BCm.%0D%0AKeyword+%3A+Liquid+smoke%2C+CaSO4%2C+scale%2C+inhibitor.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2018-08-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F33184%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F33184%2F15%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F33184%2F16%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++AUDINA+UCI+PERTIWI+%2C+1417011012++(2018)+STUDI+PENAMBAHAN+ASAP+CAIR+TEMPURUNG+KELAPA+GRADE+2+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%2F33184%2F