Long daunim wara bilong ol pipia na apim mak bilong senis bilong ol prodak, ol domestik saiens risets institusen na ol prodaksen entaprais i yusim domestik teknoloji long lukluk long en, i mekim wok bilong raba akselereta M proses i kamap gutpela moa. Ol risetsa bilong Domestik i bin kamapim wankain solvent ekstraksen proses wantaim ol foren kantri, tasol i gat hevi tu{1}} Envairomen proteksen, sefti na hai efisiens seleksen bilong ol nupela oganik solvent i stap em i ki bilong ol nupela oganik solvent i stap em i ki bilong ol nupela oganik solvent i stap em i ki bilong ol nupela oganik solvent, em i stap long gutpela rot bilong stretim ol nupela oganik solvent. Ol rot bilong rausim ol samting em solvent kristalisasen rot, rot bilong rausim distilesen, rot bilong rausim wara long strongpela wara, rot bilong kisim wara-likwid na ol narapela samting olsem long{{6} Tasol, teknoloji i no gutpela olgeta inap.
Long nau, ol oganik solvent inap makim long daunim, kabon disulfaid, anilin, bensin na ol narapela samting long.
Iusum kabon disulfaed olsem solvent, kos kontrol mo sefti kontrol oli ol klia problem. Nomata we kwaliti i stebol mo ol prodak oli save mitim ol intanasonal rikwaemen, sefti i nid blong kam gud moa from laet mo eksplosen blong kabon disulfaed.
Taim ol i yusim aniline olsem solvent, aniline i save solut liklik long wara, na dispela i mekim na mak bilong anilin i go antap insait long solusen, we i no gutpela long prodaksen.
Ol i save yusim Bensin na toluen olsem ol solvent, solubility bilong resin i liklik, klinpela bilong prodak M i kisim bagarap, na ol i ting tu olsem solvent i kisim bek solvent. Moa yet, bensin na toluen i save paia na i save pairap, sefti fakta i liklik, na volatilisasen i save kamapim bagarap long prodaksen lus long ea{1}} i save kamapim solvent lus long ea. na volatilisasen i save kamapim solvent lus long ea. na volatilisasen i save kamapim solvent lus long ea. na tu i save kamapim solven kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu i save kamapim bagarap long prodaksen kos, tasol tu, dispela i save kamapim solvent lus long ea. 20 ” envairomen bilong atmosferik.