Type i and type ii ro water purification system

Introduction

A Type I and Type II RO water purification system is a laboratory water purification system that produces Type I, or ultrapure, water and Type II, or analytical grade, water by reverse osmosis and additional purification stages, and it is used in laboratories for applications requiring water of different purity levels. The system purifies the feed water by reverse osmosis, in which the water is forced under pressure through a semipermeable membrane that removes dissolved salts, organic compounds, particles, and microorganisms, and it may include additional stages, such as activated carbon filtration, deionization, ultraviolet treatment, and ultrafiltration, to achieve the required purity; the system produces Type II water, which is suitable for general analytical applications, such as preparing buffers and reagents, and Type I water, which is ultrapure, with very low conductivity and low organic and microbial content, suitable for the most demanding applications, such as HPLC, mass spectrometry, and molecular biology, and the system monitors the water quality and may include features such as water quality display and dispensing. Type I and Type II RO water purification systems are used in chemistry, biology, clinical, pharmaceutical, and analytical laboratories for preparing solutions and reagents, for analytical instruments, for cell culture, for molecular biology, for rinsing and washing, and for many other applications, and they are available as benchtop and floor-standing systems, with features such as water quality monitoring, recirculation, and dispensers. With their production of water of different purity grades, Type I and Type II RO water purification systems are essential for laboratory water supply.

Type I and Type II RO Water Purification System LWOT-T2010

Type I and Type II RO Water Purification System has a production capacity of 10 316L stainless steel filter for fine impurity removal. Its long-acting device removes chlorine and heavy m...

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Type I And Type II RO Water Purification System LWOT-T2010

Type I and Type II RO Water Purification System ensures flexibility for diverse laboratory experiments. It has an impressive output of 20 L/hr for type 2 water and 1 to 1.5 L/min for typ...

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Standards

GB/T 33087-2016-Specification and test methods for high-purity water for instrumental analysis

ISO 3696:1987-Water for analytical laboratory use-Specification and test methods

GB/T 6682-2008-Water for analytical laboratory use-Specification and test methods

ASTM D1193-06(2018)-Standard Specification for Reagent Water

Complies with the above standards, but is not limited to them.

Features

1. Type I and Type II RO water purification system producing two grades of purified water.

2. Combined reverse osmosis with deionization/UV for both Type II and Type I water output.

3. Suitable for analytical laboratories, research, pharmaceutical, clinical and educational facilities.

4. Includes pre-treatment, RO membrane, DI polishing, UV, storage, dispensing and operation manual.

5. Supports production of both general-grade (Type II) and ultrapure (Type I) laboratory water.

FAQ

Q1: What testing scenarios is this system mainly applied to?

A: The Type I and Type II RO water purification system is used in analytical laboratories, research institutions, pharmaceutical manufacturing, clinical laboratories, educational institutions, healthcare and general laboratory facilities to produce two grades of purified water from a single system: Type II (general reagent-grade water, typically 1-10 MOhm-cm, suitable for general laboratory use, glassware washing, media preparation) and Type I (ultrapure water, 18.2 MOhm-cm, TOC <5 ppb, suitable for critical analytical applications), using combined reverse osmosis (RO) with deionization (DI) and UV treatment for efficient, cost-effective water purification. It supports general laboratory water supply (Type II for glassware washing, media preparation, reagent preparation, general chemistry), critical analytical applications (Type I for HPLC, LC-MS, ICP-MS, AAS, molecular biology, cell culture - point-of-use polishing from Type II storage), pharmaceutical manufacturing (purified water for production, WFI preparation feed), clinical laboratory testing (reagent preparation, sample dilution), educational laboratory water supply, and facilities requiring both general and ultrapure water from a single integrated system. The dual-grade design provides the flexibility of having both general-purpose Type II water (stored in larger volume for general use) and Type I ultrapure water (polished at point of use for critical applications), optimizing cost and efficiency compared to separate systems.

Q2: What standards does the system comply with?

A: The Type I and Type II RO water purification system follows relevant ISO, ASTM, CLSI and GB/T standards for laboratory water purity, including ISO 3696 (Grade 1 and Grade 2 water), ASTM D1193 (Type I and Type II reagent water), CLSI (formerly NCCLS) clinical laboratory reagent water standards, and relevant GB/T standards including GB/T 6682 (analytical laboratory water specification, Grade I and Grade II). The hardware complies with IEC 61010 safety standards. For pharmaceutical use, follow USP <1231> (water for pharmaceutical purposes) and EP/ChP monographs. Water quality should be monitored per standard (resistivity, TOC, bacteria, endotoxin, particulates). RO membrane performance should be verified (rejection rate, recovery). Users should verify compliance with specific application requirements and the distinction between Type I and Type II water quality specifications.

Q3: What is the warranty period for the whole system and key components?

A: The whole Type I and Type II RO water purification system is covered by a 12-month warranty. The pre-treatment, RO membrane, DI resin, UV lamp, storage tank, dispensing system, controller and housing are covered, while RO membranes, DI resin, UV lamps, pre-filters, filters and fuses are consumables or accessories. Damage from improper use, feed water quality issues, membrane fouling or unauthorized repair is excluded. Extended service contracts are standard for this laboratory water system (typically includes preventive maintenance, consumable replacement, water quality monitoring and sanitization). RO membrane may have separate performance warranty terms (typically 1-2 years for membrane performance/rejection rate).

Q4: Is this device difficult to operate? Is professional training required?

A: Operation requires trained laboratory personnel familiar with water purification systems, water quality monitoring and maintenance. We provide operation manuals, training and application support. Proper system operation, feed water monitoring, consumable replacement (pre-filters, RO membrane, DI resin, UV lamp), water quality monitoring (resistivity for Type I, conductivity for Type II, TOC, bacteria), storage tank maintenance, sanitization, point-of-use polishing (for Type I) and regulatory documentation are important for consistent, high-quality water production for both grades. The system should be understood as having two output grades with different quality requirements and maintenance needs.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Resistivity/conductivity meter calibration recommended every 6-12 months. TOC analyzer calibration (if integrated) per schedule. Water quality monitoring: Type II (conductivity continuous, TOC per batch or continuous, bacteria per month/quarter), Type I (resistivity continuous at point of use, TOC per batch, bacteria per month, endotoxin for cell culture use per quarter). Consumable replacement per schedule or when quality degrades: pre-filters every 3-6 months, RO membrane every 2-3 years (or when rejection drops), DI resin when resistivity drops below threshold (Type I polishing resin), UV lamp every 12 months (185 nm for TOC reduction, 254 nm for disinfection), storage tank sanitization every 3-6 months. Full system performance verification annually. RO membrane performance (rejection rate, recovery) verified periodically.

Q7: Are supporting consumables universal?

A: Pre-filters (sediment, carbon), RO membranes, DI resin (mixed bed for Type I polishing), UV lamps (185 nm, 254 nm), storage tank filters (0.2 um vent filters), point-of-use filters (0.22 um for Type I), sanitizing chemicals (hydrogen peroxide, peracetic acid), cleaning supplies and fuses are available from water treatment suppliers, though consumable type/size should match the system. Long-term consumable cost depends on feed water quality, production volume and system design (RO membrane and DI resin are the primary ongoing costs).

Q8: Can I customize parameters or supporting accessories?

A: Customization includes Type II production capacity (L/hour), Type I dispensing rate (L/min), RO configuration (single-pass, double-pass for high TDS feed), DI configuration (single bed, mixed bed, electrodeionization EDI for continuous Type II), UV treatment (185 nm for TOC, 254 nm for disinfection, both), storage tank size (for Type II), Type I point-of-use polishing (final DI, UV, UF, 0.22 um filter), number of dispensing points (Type II and Type I), monitoring (resistivity, conductivity, TOC, bacteria, endotoxin), data logging, connectivity, sanitization method, automation level and accessories. Additional dispensing points, storage tanks, point-of-use polishers and accessories can be ordered separately. Custom orders extend delivery lead-time significantly.

Q9: Does the purchase include on-site installation and commissioning service?

A: Yes, Type I and Type II RO water purification systems include on-site installation, commissioning, water quality validation (both Type I and Type II specifications) and operator training by certified water treatment specialists. Site preparation guidance is provided before delivery, including feed water, power, drain and environmental requirements.

Q10: What types of applications are compatible with this equipment?

A: The Type I and Type II RO water purification system produces Type II water (general reagent grade, typically 1-10 MOhm-cm resistivity, TOC <50 ppb, bacteria <100 CFU/mL - suitable for general laboratory use) and Type I water (ultrapure, 18.2 MOhm-cm at 25 degrees C, TOC <5 ppb, bacteria <0.1 CFU/mL, endotoxin <0.03 EU/mL for cell culture grade - suitable for critical analytical applications) within the system capacity, feed water quality and specification. Type II water is used for: glassware washing (final rinse), general chemistry reagent preparation, media preparation (microbiological culture media), buffer preparation (for non-critical applications), sample dilution (for general analysis), autoclave feed, humidifier feed, and general laboratory water needs. Type I water is used for: HPLC and LC-MS mobile phase preparation and sample dilution, ICP-MS and AAS trace metal analysis, UV-Vis and fluorescence spectroscopy, molecular biology (PCR, DNA/RNA extraction, gel electrophoresis - nuclease-free), cell culture and biopharmaceutical production (endotoxin-free, mycoplasma-free), enzyme assays and kinetics, pharmaceutical analytical testing, and any application requiring the highest water purity. IMPORTANT: Type I water should be used immediately after production at the point of use (water quality degrades upon storage - even pure water can accumulate ions, TOC and bacteria from storage containers and tubing; for critical applications, use point-of-use polishing and do not store Type I water for extended periods - use Type II stored water and polish at point of use). Type II water can be stored (in a properly sanitized storage tank) for general use, but should still be monitored and the tank sanitized regularly. Users should understand the difference between the two grades and use the appropriate grade for each application (do not use Type II for critical analytical work - trace contaminants can interfere with sensitive detection methods; do not waste Type I water for general use like glassware washing - it is more expensive to produce). The system should be maintained per manufacturer schedule for both grades: Type II (RO membrane, DI/EDI, storage tank, UV), Type I (point-of-use polishing resin, final UV, UF, 0.22 um filter). Feed water quality affects both grades and system lifespan (high TDS, hardness, chlorine, silica require more robust pre-treatment and shorten RO membrane life - verify feed water and use proper pre-treatment). The RO membrane should be protected from chlorine (carbon pre-filter) and scale (softener or anti-scalant). The storage tank (Type II) should be sanitized regularly (biofilm can develop in stored water - sanitize with hydrogen peroxide or peracetic acid per schedule, use a 0.2 um vent filter on the tank to prevent airborne contamination). The Type I dispensing point should have a final 0.22 um filter (changed regularly) and possibly a UF membrane (for endotoxin removal in cell culture applications). For trace metal analysis (ICP-MS), use all-plastic (PFA/PTFE) dispensing at the Type I point (avoid metal parts that can leach trace metals). For cell culture, use endotoxin-free and nuclease-free Type I water (verify with LAL test and nuclease assay; the system should have UF and appropriate treatment). The system should have proper alarms (low resistivity for Type I, high conductivity for Type II, consumable life indicators, low water level in storage). Waste (RO concentrate, sanitizing chemicals, spent filters/resin) should be disposed of per applicable regulations. The system should be validated for the required water quality (both Type I and Type II) after installation and periodically thereafter, with documentation per GMP/GLP if applicable.