{ "process_chemistry": { "description": "Chimie des procédés de fabrication du carbonate de sodium (Na2CO3)", "matieres_premieres": [ "Sel ordinaire (NaCl)", "Ammoniac (NH3) recyclé", "Calcaire (CaCO3)" ], "produit_principal": "Carbonate de sodium (Na2CO3 / Soda Ash)", "produit_intermediaire_filtre": "Bicarbonate de sodium (NaHCO3)", "procede_solvay": { "nom": "Procédé Solvay", "rendement": "~90%", "description": "Le procédé SOLVAY utilise comme matières premières le sel ordinaire (NaCl), l’ammoniac (NH3) recyclé et réutilisé et le calcaire (CaCO3). L’ammoniac NH3 intervient dans la fabrication de la soude, mais ce n’est pas une matière première. L’équation globale montrant la fabrication du Carbonate de Calcium (but) est la suivante : \n2 NaCl + CaCO3 (s) Na2CO3 + CaCl2 \nOn sait très bien que cette équation n’est pas réalisable en pratique, et nous passons donc par plusieurs étapes décrites ci-dessous. \nOn met en place la préparation de la saumure à l’aide de l’eau puis elle réagit, étant saturé avec de l’ammoniac qui a été libéré plus loin et recyclé (tout comme le CO2) dans l’absorbeur. \nLe passage dans l’absorbeur de la saumure ammoniacale permet par la suite de faire la carbo-natation de celle-ci à l’aide de vapeurs d’eau et du CO2 :\nNH3 + H2O + CO2 (NH4)HCO3 (1)\n\nL’équation (1) montre la production de bicarbonate d’ammonium qui par la suite permet de faire produire le bicarbonate de sodium nécessaire pour la filtration. \nCe produit intermédiaire donc, va être en contact en double décomposition avec du chlorure de sodium (NaCl) :\n(NH4)HCO3 + NaCl NH4Cl + NaHCO3 (2)\nCette étape (2) est déterminante pour le procédé de filtration avec le filtre à bande sous vide où on va séparer le solide du liquide contenant des éléments différ", "equations": [ { "eq": "2 NaCl + CaCO3 → Na2CO3 + CaCl2", "description": "Équation globale (non réalisable directement)" }, { "eq": "NH3 + H2O + CO2 → (NH4)HCO3", "description": "Production bicarbonate d'ammonium (étape 1)" }, { "eq": "(NH4)HCO3 + NaCl → NH4Cl + NaHCO3", "description": "Production bicarbonate de sodium (étape 2 - clé pour filtration)" }, { "eq": "2 NaHCO3 → Na2CO3 + H2O + CO2", "description": "Décomposition en carbonate anhydre par chauffage (étape 3)" }, { "eq": "CaCO3 → CaO + CO2", "description": "Décomposition calcaire au four à chaux (étape 4)" }, { "eq": "CaO + H2O → Ca(OH)2", "description": "Préparation lait de chaux (étape 5)" }, { "eq": "2 NH4Cl + Ca(OH)2 → 2 NH3 + CaCl2 + 2 H2O", "description": "Régénération ammoniac (étape 6)" } ], "etape_filtration": "Étape 2 : séparation NaHCO3 (solide) du chlorure d'ammonium (liquide) par filtre à bande sous vide" }, "procede_hou": { "nom": "Procédé Hou (Soda combiné)", "origine": "Chimiste chinois Hou Debang, 1930", "rendement": "96% (vs 90% pour Solvay)", "avantage": "Production de NH4Cl (fertilisant ou source ammonium) en plus de Na2CO3", "difference_solvay": "Utilise solutions mères NaCl, refroidissement à 10°C pour précipiter NH4Cl", "description": "Le procédé HOU est basé sur celui du procédé Solvay par le chimiste chinois Hou debang en 1930. Les premières étapes sont similaires à celles du procédé Solvay. Cependant, au lieu de traiter la solution restante avec du CaCO3, on la fait réagir avec du CO2 et du NH3 qui sont pompés pour la solution. Ensuite le NaCl est ajouté pour obtenir une solution saturée à 40°C. L'étape suivante est de refroidir la solution jusqu'à 10°C. Le chlorure d'ammonium (NH4Cl) précipite et est produit et ensuite il est enlevé par filtration et la solution est recyclée pour obtenir plus de carbonate de sodium (Na2CO3). Les équations caractérisant le proc", "equations": [ { "eq": "NH3 + H2O + CO2 → NH4HCO3", "description": "Étape 1 (identique Solvay)" }, { "eq": "NH4HCO3 + NaCl → NH4Cl + NaHCO3", "description": "Étape 2 (identique Solvay)" }, { "eq": "2 NaHCO3 → Na2CO3 + H2O + CO2", "description": "Étape 3" }, { "eq": "NaCl + NH3 + H2O + CO2 → NH4Cl + NaHCO3", "description": "Étape 4 (spécifique Hou)" }, { "eq": "2 NaHCO3 → Na2CO3 + H2O + CO2", "description": "Étape 5 (spécifique Hou)" } ], "temperature_cristallisation": "10°C (pour précipitation NH4Cl)" }, "conversion_rate": { "NaHCO3_to_Na2CO3": 1.6, "description": "1.6 T NaHCO3 → 1 T Na2CO3" } }, "filter_components": { "description": "Composants du filtre à bande sous vide - Application Soda Ash", "components": [ { "component": "SOUS ENSEMBLE FILTRE", "material": "MATIERE", "specification": "SPECIFICITE" }, { "component": "Bande", "material": "SBR", "specification": "Dimension des trous : 15*30 mm, Pas de rainurages : 28 mm, Largeur des rainures : 15-17 mm, Profondeur : 7 à 18 mm" }, { "component": "Toile filtrante", "material": "POLYPROPYLENE", "specification": "En Polypropylène(PP) avec un tissage en mono filament ou double layer le plus souvent et une ouverture de 50 µ (référence SEFAR/CRAMER)." }, { "component": "Boîte à vide", "material": "U45N", "specification": "Tronçons de 2,5 et/ou 3 m assemblées par bride.\nSection Omega avec un mécanisme de support articulé. \nDiamètre type \"bicar\" : DN 170.\nConnection filtrat en DN 150." }, { "component": "Une boîte à vide", "material": "U45N", "specification": null }, { "component": "Alimentateur", "material": "U45N", "specification": "Boite de répartition à deux sorties et tuyauterie de dégazage.\nMatière : Identique à la boite à vide." }, { "component": "Rouleau presseur", "material": "U45N", "specification": "Localisé après la zone de lavage, supporté par un chassis articulé rigide. Sous le rouleau presseur, la bande est maintenue par un contre rouleau. Matière du rouleau : U45N et revêtement PVC, matière du chassis : SS 316L, diamètre : 406 mm" }, { "component": "Contrôle niveau ballon", "material": "SVR", "specification": "Transmetteur de pression, transmetteur de niveau-différentielle." }, { "component": "Ballons à filtrat", "material": "U45N/FRP", "specification": "De grand diamètre en raison de l'important débit d'air dans la filtration de bicarbonate de soude.\nDe type barométrique ou extraction forcée." }, { "component": "Talon", "material": "Caoutchouc", "specification": "Les talons sont en caoutchouc naturel et fixés par collage à froid sur les bords de bande pour former des bordures de rétention.\nTaille : 120 mm" } ] }, "materials": { "description": "Tableau des matériaux par composant - SOLVAY vs HOU", "data": { "filter": [ { "item": "Vacuum box", "material_solvay": "U45N", "material_hou": "U45N" }, { "item": "Feed dam roller", "material_solvay": "U45N", "material_hou": "U45N" }, { "item": "Pulp feeder", "material_solvay": "U45N", "material_hou": "U45N" }, { "item": "Wash trough", "material_solvay": "U45N", "material_hou": "U45N" }, { "item": "Discharge rollers", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Cake hopper", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Cloth wash water pan", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Cloth wash header", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Belt support rollers", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Cloth return roller", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Vacuum box support frame", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Frame/Bolt", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" }, { "item": "Rubber belt", "material_solvay": "SBR", "material_hou": "SBR" }, { "item": "Belt support frame", "material_solvay": "AISI 316L", "material_hou": "AISI 316 L" } ], "cloth": [ { "item": "Warp/Weft", "material_solvay": "Mo/Mo Dlw", "material_hou": "Mo/Mo Dlw" }, { "item": "Reference", "material_solvay": "SEFAR", "material_hou": "214-3 CRAMER" }, { "item": "Opening (µ)", "material_solvay": 50, "material_hou": 50 }, { "item": "Fiber", "material_solvay": "PP", "material_hou": "PP" } ], "accessories": [ { "item": "Filtrate connection", "material_solvay": "U45N", "material_hou": "U45N" }, { "item": "Manifold", "material_solvay": "U45N/FRP", "material_hou": "U45N/FRP" }, { "item": "Receiver", "material_solvay": "U45N/FRP", "material_hou": "U45N/FRP" } ] } }, "flowsheet": { "description": "Données procédé de référence - Flowsheet type SOLVAY", "solvay_reference": { "type_process": "SOLVAY", "filtration_rate_NaHCO3_T_h_m2": 1.16, "filtration_rate_Na2CO3_T_h_m2": 0.7, "filter_size_m2": 53.57, "production_Na2CO3_T_day": 900, "production_Na2CO3_T_h": 37.5, "vacuum_pump_m3_h": 23100, "vacuum_pump_specific_m3_h_m2": 430, "slurry": { "flowrate_m3_h": 227.27, "flowrate_T_h": 272.73, "solid_concentration_percent": 22, "solid_flowrate_T_h": 60, "density_T_m3": 1.2, "liquid_density_T_m3": 1.0, "solid_density_T_m3": 2.0, "temperature_C": 38 }, "cake": { "total_cake_T_h": 71.43, "dry_cake_T_h": 60, "moisture_percent": 16, "soda_T_h": 37.5 }, "pick_up_cake": { "cake_flowrate_T_h": 80, "dry_cake_T_h": 60, "moisture_percent": 25 }, "wash_water": { "wash1_T_h": 13.677, "wash2_belt_cloth_T_h": 12.573, "wash3_counter_current_T_h": 34.82, "wash3_m3_h": 34.82, "wash_ratio_total": 0.7 }, "filtrate": { "mother_liquor_wash2_T_h": 227.55, "wash_filtrate1_T_h": 34.82 } }, "filterability_comparison": [ { "process": "HOU", "filterability_Na2CO3_T_h_m2": 0.64, "filterability_NaHCO3_T_h_m2": 1.03, "vp_specific_m3_h_m2": 488 }, { "process": "SOLVAY", "filterability_Na2CO3_T_h_m2": 0.7, "filterability_NaHCO3_T_h_m2": 1.16, "vp_specific_m3_h_m2": 442 } ], "hou_sensitivity_production_vs_csolid": [ { "csolid_ww": 0.14, "production_Na2CO3_T_day": 600, "wash_ratio": 0.6 }, { "csolid_ww": 0.15, "production_Na2CO3_T_day": 610, "wash_ratio": 0.61 }, { "csolid_ww": 0.16, "production_Na2CO3_T_day": 620, "wash_ratio": 0.62 }, { "csolid_ww": 0.17, "production_Na2CO3_T_day": 630, "wash_ratio": 0.63 }, { "csolid_ww": 0.18, "production_Na2CO3_T_day": 640, "wash_ratio": 0.64 }, { "csolid_ww": 0.19, "production_Na2CO3_T_day": 650, "wash_ratio": 0.65 }, { "csolid_ww": 0.2, "production_Na2CO3_T_day": 660, "wash_ratio": 0.66 }, { "csolid_ww": 0.21, "production_Na2CO3_T_day": 670, "wash_ratio": 0.67 }, { "csolid_ww": 0.22, "production_Na2CO3_T_day": 680, "wash_ratio": 0.68 }, { "csolid_ww": 0.23, "production_Na2CO3_T_day": 690, "wash_ratio": 0.69 }, { "csolid_ww": 0.24, "production_Na2CO3_T_day": 700, "wash_ratio": 0.7 }, { "csolid_ww": 0.25, "production_Na2CO3_T_day": 710, "wash_ratio": 0.71 }, { "csolid_ww": 0.26, "production_Na2CO3_T_day": 720, "wash_ratio": 0.72 }, { "csolid_ww": 0.27, "production_Na2CO3_T_day": 730, "wash_ratio": 0.73 }, { "csolid_ww": 0.28, "production_Na2CO3_T_day": 740, "wash_ratio": 0.74 } ] }, "reference_sites": { "description": "Données de performance par site client - procédés SOLVAY et HOU", "sites": [ { "site": "Sterlitamak (contrat)", "process": "SOLVAY", "area_m2": 40, "slurry_flowrate_T_h": 224, "solid_flowrate_NaHCO3_T_h": 48, "temperature_C": "28-38", "solid_concentration_NaHCO3_pct": 21.428571428571427, "dry_cake_NaHCO3_T_h": 48, "wet_cake_NaHCO3_T_h": 57.142857142857146, "daily_dry_cake_T_day": 1152, "daily_wet_cake_T_day": 1371.4285714285716, "moisture_pct": 16, "salt_content_soda_ash_pct": 0.15, "Na2CO3_T_h": 30, "Na2CO3_T_h_m2": 0.75, "Na2CO3_daily_T_day": 720, "Na2CO3_annual_T_year": 262800, "cake_thickness_mm": "27-30", "filtration_rate_NaHCO3_T_h_m2": 1.2, "formation_time_s": 10, "interzone_s": 10, "wash1_time_s": 5, "wash2_time_s": 5, "wash3_time_s": 5, "dry_time_s": 50, "cycle_time_s": 105, "vacuum_pump_m3_h": 18000, "vacuum_pump_m3_h_m2": 450, "wash_ratio_NaHCO3_m3_T": 11, "wash_ratio_Na2CO3_m3_T": 0.22916666666666666 }, { "site": "Sterlitamak (mise en route)", "process": "SOLVAY", "area_m2": 66, "slurry_flowrate_T_h": 352, "solid_flowrate_NaHCO3_T_h": 75.2, "temperature_C": "28-38", "solid_concentration_NaHCO3_pct": 21.363636363636363, "dry_cake_NaHCO3_T_h": 75.2, "wet_cake_NaHCO3_T_h": 89.52380952380952, "daily_dry_cake_T_day": 1804.8000000000002, "daily_wet_cake_T_day": 2148.5714285714284, "moisture_pct": 16, "salt_content_soda_ash_pct": 0.15, "Na2CO3_T_h": 47, "Na2CO3_T_h_m2": 0.7121212121212122, "Na2CO3_daily_T_day": 1128, "Na2CO3_annual_T_year": 411720, "cake_thickness_mm": "27-30", "filtration_rate_NaHCO3_T_h_m2": 1.1393939393939394, "formation_time_s": 10, "interzone_s": 10, "wash1_time_s": 5, "wash2_time_s": 5, "wash3_time_s": 5, "dry_time_s": 50, "cycle_time_s": 105, "vacuum_pump_m3_h": 30000, "vacuum_pump_m3_h_m2": 454.54545454545456, "wash_ratio_NaHCO3_m3_T": 13, "wash_ratio_Na2CO3_m3_T": 0.1728723404255319 }, { "site": "Sodawerk (contrat)", "process": "SOLVAY", "area_m2": 40, "slurry_flowrate_T_h": 166.82379349046016, "solid_flowrate_NaHCO3_T_h": 49.54666666666667, "temperature_C": 30.4, "solid_concentration_NaHCO3_pct": 29.7, "NaHCO3_loss_pct": 2.71, "dry_cake_NaHCO3_T_h": 49.54666666666667, "wet_cake_NaHCO3_T_h": 59.55128205128205, "daily_dry_cake_T_day": 1189.12, "daily_wet_cake_T_day": 1429.2307692307693, "moisture_pct": 16.8, "salt_content_soda_ash_pct": 0.16, "Na2CO3_T_h": 30.966666666666665, "Na2CO3_T_h_m2": 0.7741666666666667, "Na2CO3_daily_T_day": 744.8, "Na2CO3_annual_T_year": 271852, "cake_thickness_mm": "28-31", "filtration_rate_NaHCO3_T_h_m2": 1.2386666666666666, "cycle_time_s": 67.4, "wash_ratio_NaHCO3_m3_T": 8.73, "wash_ratio_Na2CO3_m3_T": 0.17619752421959098 }, { "site": "Sodawerk (mise en route)", "process": "SOLVAY", "area_m2": 66, "slurry_flowrate_T_h": 253.3702677746999, "solid_flowrate_NaHCO3_T_h": 77.02456140350877, "temperature_C": 32.4, "solid_concentration_NaHCO3_pct": 30.4, "NaHCO3_loss_pct": 2.46, "dry_cake_NaHCO3_T_h": 77.02456140350877, "wet_cake_NaHCO3_T_h": 92.1346428271636, "daily_dry_cake_T_day": 1848.5894736842106, "daily_wet_cake_T_day": 2211.2314278519266, "moisture_pct": 16.4, "salt_content_soda_ash_pct": 0.18, "Na2CO3_T_h": 48.14035087719298, "Na2CO3_T_h_m2": 0.7293992557150452, "Na2CO3_daily_T_day": 1166.4, "Na2CO3_annual_T_year": 425736.00000000006, "cake_thickness_mm": "30-35", "filtration_rate_NaHCO3_T_h_m2": 1.1670388091440722, "cycle_time_s": 85.1, "wash_ratio_NaHCO3_m3_T": 13.03, "wash_ratio_Na2CO3_m3_T": 0.16916681851311954 }, { "site": "Torrelavega (contrat)", "process": "SOLVAY", "area_m2": 50, "slurry_flowrate_T_h": 275, "solid_flowrate_NaHCO3_T_h": 60, "temperature_C": "30-40", "solid_concentration_NaHCO3_pct": 21.818181818181817, "dry_cake_NaHCO3_T_h": 60, "wet_cake_NaHCO3_T_h": 71.42857142857143, "daily_dry_cake_T_day": 1440, "daily_wet_cake_T_day": 1714.2857142857142, "moisture_pct": 16, "salt_content_soda_ash_pct": 0.15, "Na2CO3_T_h": 37.5, "Na2CO3_T_h_m2": 0.75, "Na2CO3_daily_T_day": 900, "Na2CO3_annual_T_year": 328500, "cake_thickness_mm": "25-35", "filtration_rate_NaHCO3_T_h_m2": 1.2, "vacuum_pump_m3_h": 24000, "vacuum_pump_m3_h_m2": 480, "wash_ratio_NaHCO3_m3_T": 11, "wash_ratio_Na2CO3_m3_T": 0.18333333333333332 }, { "site": "Torrelavega (mise en route)", "process": "SOLVAY", "area_m2": 50, "slurry_flowrate_T_h": 237.81333333333333, "solid_flowrate_NaHCO3_T_h": 53.508, "temperature_C": 31, "solid_concentration_NaHCO3_pct": 22.5, "dry_cake_NaHCO3_T_h": 53.508, "wet_cake_NaHCO3_T_h": 63.7, "daily_dry_cake_T_day": 1284.192, "daily_wet_cake_T_day": 1528.8000000000002, "moisture_pct": 16, "salt_content_soda_ash_pct": 0.11, "Na2CO3_T_h": 33.4425, "Na2CO3_T_h_m2": 0.6688500000000001, "Na2CO3_daily_T_day": 832.7, "Na2CO3_annual_T_year": 303935.5, "cake_thickness_mm": "25-30", "filtration_rate_NaHCO3_T_h_m2": 1.2, "formation_time_s": 14.3, "interzone_s": 5.4, "wash1_time_s": 4.6, "wash2_time_s": 3.7, "wash3_time_s": 2.8, "dry_time_s": 50.6, "cycle_time_s": 92, "wash_ratio_NaHCO3_m3_T": 10.4, "wash_ratio_Na2CO3_m3_T": 0.19436345966958213 }, { "site": "Rosignano (contrat)", "process": "SOLVAY", "area_m2": 81, "slurry_flowrate_T_h": 231, "solid_flowrate_NaHCO3_T_h": 76.5, "temperature_C": "27-33", "solid_concentration_NaHCO3_pct": 28.5, "dry_cake_NaHCO3_T_h": 76.5, "wet_cake_NaHCO3_T_h": 91.94711538461539, "daily_dry_cake_T_day": 1836, "daily_wet_cake_T_day": 2206.7307692307695, "moisture_pct": 16.8, "salt_content_soda_ash_pct": 0.15, "Na2CO3_T_h": 47.8, "Na2CO3_T_h_m2": 0.5901234567901235, "Na2CO3_daily_T_day": 1147.1999999999998, "Na2CO3_annual_T_year": 418728, "filtration_rate_NaHCO3_T_h_m2": 0.9444444444444444, "vacuum_pump_m3_h": 31000, "vacuum_pump_m3_h_m2": 382.71604938271605 }, { "site": "Rosignano (mise en route)", "process": "SOLVAY", "area_m2": 81, 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beam", 0 ] }, { "item": 18, "values": [ "wear belt and plastic rail", "50X5", 0 ] }, { "item": 4, "values": [ "rubber belt + grooving + pinching" ] }, { "item": 4, "values": [ "edge curb", 120, 0 ] }, { "item": 3, "values": [ "drive pulley SBR", 1210, "#", 0 ] }, { "item": 2, "values": [ "idler pulley SBR", 1210, "#", 0 ] }, { "item": "02/03", "values": [ "pulleys bearing", 0 ] }, { "item": 5, "values": [ "belt guide rollers", 0 ] }, { "item": 6, "values": [ "belt support rollers", 355, "#", "O" ] }, { "item": 9, "values": [ "cloth support roller type 1", 219, "#", "O" ] }, { "item": 9, "values": [ "cloth support roller type 2", 168.3, "#", "O" ] }, { "item": 14, "values": [ "cloth discharge end support roller", 168.3, "#", "O" ] }, { "item": 9, "values": [ "cake discharge roller", 168.3, "#", "O" ] }, { "item": 8, "values": [ "Guiding roller (angular)", 219, "#", "O" ] }, { "item": 16, "values": [ "entrance / cloth form roller", 355, "#", "O" ] }, { "item": "06/08/09/14", "values": [ "roller bearing", 0 ] }, { "item": "02/03/08/10", "values": [ "miscelleneaous for guiding & tensioning", 0 ] }, { "item": 8, "values": [ "cloth guiding device", "#", 0 ] }, { "item": 10, "values": [ "cloth tensionning device", "#", 0 ] }, { "item": 13, "values": [ "vacuum box", 140 ] }, { "item": "11/14", "values": [ "C & B wash device + discharge device", "#", 0 ] }, { "item": 15, "values": [ "Form zone apron dam", "SBR", "#", 0 ] }, { "item": 20, "values": [ "cake wash feeder", "OVER", "#", 0 ] }, { "item": 20, "values": [ "cake wash feeder carriages", "ROUE", "#", 0 ] }, { "item": 19, "values": [ "wash zone pendulum apron dam", "SBR", "#", 0 ] }, { "item": 12, "values": [ "pulp feeder", "BOIT", "#", 0 ] }, { "item": 40, "values": [ "pneumatic cabinet + pneumatic acc.", "STD", "#", 0 ] }, { "item": "51/60", "values": [ "junction box + electrical set of equip.", "STD", "#", 0 ] }, { "item": 1, "values": [ "bolting", "#", 0 ] }, { "item": 10, "values": [ "pneumetic bellow", "10x2", 0 ] }, { "item": 8, "values": [ "pneumetic bellow", "8x2", 0 ] }, { "item": 13, "values": [ "pneumetic bellow", "8X3", 0 ] }, { "item": 44, "values": [ "oil and grease", "#", 0 ] }, { "item": 44, "values": [ "Cartouche perma", "#", 0 ] }, { "item": 46, "values": [ "Peinture palier", 0 ] }, { "item": 46, "values": [ "Passivation boîteà vide et table", "#", 0 ] }, { "item": 3, "values": [ "reducer torque arm", "#", 0 ] }, { "item": 3, "values": [ "planetary reducer \"BREVINI", 44025.496707543745, 0 ] }, { "item": 3, "values": [ "Motor", 45, "#", 0 ] }, { "item": 3, "values": [ "frequency variator", 45, "#", 0 ] }, { "item": 7, "values": [ "filtering cloth", 0 ] }, { "item": "PRESTA", "values": [ "labelling + shiping preparation France" ] }, { "item": "12/15/19/20", "values": [ "pre-assembly + labelling", "#" ] }, { "item": 51, "values": [ "Cloth and belt flow meter", "Option" ] }, { "item": 51, "values": [ "Cake wash flowmeter", "Option" ] }, { "item": 51, "values": [ "Cloth run off & overtorque", "Option" ] } ] }, "offre": { "description": "Données offre commerciale filtre Soda Ash", "rows": [ { "row": 1, "data": { "0": "Items", "1": "Description", "5": "Qty", "6": "Unit Price (€)", "7": "Total Price (€)", "13": "Items", "14": "Description", "18": "Qté", "19": "Prix unitaire (€)", "20": "Prix total (€)" } }, { "row": 2, "data": { "0": 1, "1": "FILTRATION EQUIPMENT", "13": 1, "14": "EQUIPEMENT FILTRATION" } }, { "row": 3, "data": { "0": 1.1, "1": "Filtres Philippe\" Horizontal Vacuum Belt Filter", "2": "Surface (m²)", "4": "Width (m)", "5": 1, "13": 1.1, "14": "Filtres Philippe\" Filtre à Bande Horizontal sous Vide", "15": "Surface (m²)", "17": "Largeur (m)", "18": 1 } }, { "row": 4, "data": { "2": 73.5, "4": 3, "15": 73.5, "17": 3 } }, { "row": 6, "data": { "1": "Filter not erected in our factory, including:", "2": "MOC", "14": "Filtre non monté en usine, incluant:", "15": "Matériau" } }, { "row": 7, "data": { "1": "Frame", "2": "316L", "14": "Charpente", "15": 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