WO2014073947A1 - Système d'ultrafiltration pour la concentration de réseaux - Google Patents
Système d'ultrafiltration pour la concentration de réseaux Download PDFInfo
- Publication number
- WO2014073947A1 WO2014073947A1 PCT/MY2013/000163 MY2013000163W WO2014073947A1 WO 2014073947 A1 WO2014073947 A1 WO 2014073947A1 MY 2013000163 W MY2013000163 W MY 2013000163W WO 2014073947 A1 WO2014073947 A1 WO 2014073947A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membrane
- ultrafiltration
- cleaning
- feedstock
- latex
- Prior art date
Links
- 229920000126 latex Polymers 0.000 title claims abstract description 130
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 119
- 239000012528 membrane Substances 0.000 claims abstract description 324
- 238000004140 cleaning Methods 0.000 claims abstract description 120
- 239000004816 latex Substances 0.000 claims abstract description 108
- 230000004907 flux Effects 0.000 claims abstract description 87
- 238000000034 method Methods 0.000 claims abstract description 65
- 230000008569 process Effects 0.000 claims abstract description 53
- 239000012465 retentate Substances 0.000 claims abstract description 30
- 239000012466 permeate Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000000717 retained effect Effects 0.000 claims abstract description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 41
- 229920003052 natural elastomer Polymers 0.000 claims description 41
- 229920001194 natural rubber Polymers 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 13
- 150000002825 nitriles Chemical class 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000001139 pH measurement Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 abstract description 10
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 33
- 239000000243 solution Substances 0.000 description 31
- 229920006173 natural rubber latex Polymers 0.000 description 27
- 238000011084 recovery Methods 0.000 description 23
- 230000010287 polarization Effects 0.000 description 20
- 238000012545 processing Methods 0.000 description 20
- 239000000126 substance Substances 0.000 description 19
- 238000002604 ultrasonography Methods 0.000 description 18
- 238000005119 centrifugation Methods 0.000 description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- 238000005406 washing Methods 0.000 description 11
- 238000004321 preservation Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009285 membrane fouling Methods 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- 210000002966 serum Anatomy 0.000 description 5
- 101000952180 Morus alba Mulatexin Proteins 0.000 description 4
- 230000002028 premature Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 238000004380 ashing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000002525 ultrasonication Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229940056585 ammonium laurate Drugs 0.000 description 2
- VJCJAQSLASCYAW-UHFFFAOYSA-N azane;dodecanoic acid Chemical compound [NH4+].CCCCCCCCCCCC([O-])=O VJCJAQSLASCYAW-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001687 destabilization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000003761 preservation solution Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- -1 sulphate ions Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/075—Concentrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/08—Specific process operations in the concentrate stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/10—Temperature control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/14—Pressure control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/18—Details relating to membrane separation process operations and control pH control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
- B01D2311/252—Recirculation of concentrate
- B01D2311/2523—Recirculation of concentrate to feed side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2611—Irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/10—Cross-flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/164—Use of bases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/20—By influencing the flow
- B01D2321/2066—Pulsated flow
- B01D2321/2075—Ultrasonic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02831—Pore size less than 1 nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/24—Rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
L'invention concerne un système d'ultrafiltration et un procédé de concentration de réseaux ayant des capacités d'amélioration de flux ultrasonique et de nettoyage de membrane. Le système d'ultrafiltration pour la concentration de réseaux comprend principalement un premier réservoir (1), un second réservoir (2), une pompe (3) et au moins un module de membrane d'ultrafiltration disposé de façon verticale (4). Chaque module est doté d'une pluralité de membranes tubulaires disposées de façon verticale (13) pour filtrer la charge d'alimentation de latex et d'une pluralité de transducteurs ultrasoniques (9) pour générer des ondes ultrasoniques pour l'amélioration du flux de perméation de membrane. Le procédé d'ultrafiltration est effectué par utilisation du système où la charge d'alimentation de latex est pompée à travers le module de membrane pour ultrafiltration, où les parties moléculaires inférieures de la charge d'alimentation passent à travers la membrane tubulaire comme perméat et les parties moléculaires supérieures de la charge d'alimentation sont retenues comme rétentat (concentré de latex). Le procédé est répété jusqu'à ce que la concentration de latex souhaitée soit atteinte.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI2012004868 | 2012-11-07 | ||
| MYPI2012004868A MY159044A (en) | 2012-11-07 | 2012-11-07 | An ultrafiltration system for concentration of latices and a process utilizing the system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014073947A1 true WO2014073947A1 (fr) | 2014-05-15 |
Family
ID=50684951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/MY2013/000163 WO2014073947A1 (fr) | 2012-11-07 | 2013-09-09 | Système d'ultrafiltration pour la concentration de réseaux |
Country Status (2)
| Country | Link |
|---|---|
| MY (1) | MY159044A (fr) |
| WO (1) | WO2014073947A1 (fr) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016025590A1 (fr) * | 2014-08-12 | 2016-02-18 | Water Planet, Inc. | Système de gestion de filtration de fluide intelligent |
| WO2016204601A1 (fr) | 2015-06-18 | 2016-12-22 | Sime Darby Plantation Sdn. Bhd. | Procédé et système de concentration de latex d'élastomère-caoutchouc naturel époxydé en un concentré de latex d'élastomère-caoutchouc naturel époxydé |
| CN106608693A (zh) * | 2016-01-08 | 2017-05-03 | 约瑟夫·安德鲁·兰德 | 关闭式节能用管式膜循环系统 |
| CN110152490A (zh) * | 2019-06-17 | 2019-08-23 | 海南中橡科技有限公司 | 一种滤膜清洗装置 |
| ES2803954A1 (es) * | 2019-07-26 | 2021-02-01 | Izquierdo Juan Carmelo Suarez | Sistema de Limpieza Ultrasónica para Contribuir a Procesos de Osmosis, Ultrafiltración y Nanofiltración 100% Libres de Químicos |
| CN114409829A (zh) * | 2022-01-05 | 2022-04-29 | 淄博鲁华泓锦新材料集团股份有限公司 | 一种异戊二烯胶乳浓缩方法 |
| CN115477711A (zh) * | 2022-09-13 | 2022-12-16 | 中国热带农业科学院农产品加工研究所 | 一种利用陶瓷膜提高环氧化天然胶乳固含物的方法及装置 |
| CN115477711B (zh) * | 2022-09-13 | 2024-05-14 | 中国热带农业科学院农产品加工研究所 | 一种利用陶瓷膜提高环氧化天然胶乳固含物的方法及装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253962A (en) * | 1979-12-12 | 1981-03-03 | Thompson John R | Non-destructive vibratory cleaning system for reverse osmosis and ultra filtration membranes |
| US5632890A (en) * | 1991-01-11 | 1997-05-27 | Sugitomo Akitoshi | Ceramic filter filtration apparatus for purifying swimming pool water |
-
2012
- 2012-11-07 MY MYPI2012004868A patent/MY159044A/en unknown
-
2013
- 2013-09-09 WO PCT/MY2013/000163 patent/WO2014073947A1/fr active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253962A (en) * | 1979-12-12 | 1981-03-03 | Thompson John R | Non-destructive vibratory cleaning system for reverse osmosis and ultra filtration membranes |
| US5632890A (en) * | 1991-01-11 | 1997-05-27 | Sugitomo Akitoshi | Ceramic filter filtration apparatus for purifying swimming pool water |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016025590A1 (fr) * | 2014-08-12 | 2016-02-18 | Water Planet, Inc. | Système de gestion de filtration de fluide intelligent |
| US10562787B2 (en) | 2014-08-12 | 2020-02-18 | Water Planet, Inc. | Intelligent fluid filtration management system |
| US11401172B2 (en) | 2014-08-12 | 2022-08-02 | Intelliflux Controls | Intelligent fluid filtration management system |
| WO2016204601A1 (fr) | 2015-06-18 | 2016-12-22 | Sime Darby Plantation Sdn. Bhd. | Procédé et système de concentration de latex d'élastomère-caoutchouc naturel époxydé en un concentré de latex d'élastomère-caoutchouc naturel époxydé |
| CN106608693A (zh) * | 2016-01-08 | 2017-05-03 | 约瑟夫·安德鲁·兰德 | 关闭式节能用管式膜循环系统 |
| CN110152490A (zh) * | 2019-06-17 | 2019-08-23 | 海南中橡科技有限公司 | 一种滤膜清洗装置 |
| ES2803954A1 (es) * | 2019-07-26 | 2021-02-01 | Izquierdo Juan Carmelo Suarez | Sistema de Limpieza Ultrasónica para Contribuir a Procesos de Osmosis, Ultrafiltración y Nanofiltración 100% Libres de Químicos |
| CN114409829A (zh) * | 2022-01-05 | 2022-04-29 | 淄博鲁华泓锦新材料集团股份有限公司 | 一种异戊二烯胶乳浓缩方法 |
| CN115477711A (zh) * | 2022-09-13 | 2022-12-16 | 中国热带农业科学院农产品加工研究所 | 一种利用陶瓷膜提高环氧化天然胶乳固含物的方法及装置 |
| CN115477711B (zh) * | 2022-09-13 | 2024-05-14 | 中国热带农业科学院农产品加工研究所 | 一种利用陶瓷膜提高环氧化天然胶乳固含物的方法及装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| MY159044A (en) | 2016-12-15 |
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