City Advanced Aquaculture Project For The Intensive Fish Farming

CAAP represents a new generation of land-based aquaculture designed for maximum biological performance, resource efficiency and full production control. By integrating our patented Micro-Nano Bubble technology with advanced water treatment and automation, CAAP ensures superior oxygen transfer, optimized fish growth conditions and OPEX reduction. It enables sustainable, most profitable and efficient year-round production independent of climate, water scarcity or environmental limitations.

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BACKGROUND FOR OUR SOLUTION

By implementing CAAP, high-quality fish can be produced in a fully controlled, biosecure and water-efficient environment, independent of seawater quality or natural freshwater availability.

City Advanced Aquaculture Project technology enables intensive production with minimal water consumption, precise control of water quality and feeding and effective disease management. This makes it particularly well suited for the areas, where water scarcity, high temperatures, urban proximity and the need for year-round, reliable protein supply are key challenges.

Features
  • Minimal water consumption
  • Precise control of water quality and feeding
  • Effective disease management
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OUR APPROACH TO MODERN FISH FARMING

We deliver turnkey RAS solutions tailored to local conditions.

We are able to select fish species suited to climate and water quality, such as Shrimps, Tilapia, Catfish and much more and to provide fully automated water treatment, temperature and oxygen control, feeding systems, biosecurity measures and final product processing and storage. Integrated training ensures communities can operate and maintain the systems sustainably, producing reliable protein sources while building local capacity.

Features
  • Adaptive Species Selection & Optimized Production
  • Fully Automated Smart Aquaculture Systems
  • Sustainable Operation & Local Capacity Building
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MICRO-NANO BUBBLES TECHNOLOGY

A breakthrough innovation redefining performance standards in modern aquaculture.

Our proprietary Micro-Nano Bubble technology utilised in CAAP represents a significant advancement in Recirculating Aquaculture Systems. By generating ultra-fine, highly stable bubbles with a large surface area-to-volume ratio, the system enhances oxygen transfer efficiency and stabilizes dissolved oxygen levels.

This improves fish metabolism, feed conversion and overall health while supporting water treatment processes and reducing energy consumption. Integrated within CAAP, MNB enables higher stocking densities, predictable production and stable year-round operation.

Technology

Technology Introduction

City Advanced Aquaculture Project is an intensive RAS-based high density fish culture unlike other aquaculture production systems. Instead of the traditional method of growing fish outdoors in open ponds and raceways, in this system fish are typically reared in indoor/outdoor tanks in a controlled environment. Recirculating systems filter and clean the water by recycling it back to fish culture tanks. New water is added only to make up for splash out, evaporation and that used to flush out waste materials. The reconditioned water circulates back through City Advanced Aquaponic Project and not more than only 3% of total water volume of the system is replaced daily.
Key Treatment Processes in Recirculating Production Systems
All recirculating production systems remove waste solids, oxidize ammonia and nitrite-nitrogen, remove carbon dioxide and aerate or oxygenate the water before returning it to the fish tank. More intensive systems or systems culturing sensitive species may require additional treatment processes such as fine solids removal, dissolved organics removal or some form of disinfection.
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The capacity range for our CAAP single fish farms is from 500 to 50,000 tonnes per year.
Depending on the project configuration, our CAAP technology is applied as the biological production stages, including broodstock, hatchery, nursery and grow-out under fully controlled conditions, while the overall project scope may be extended to integrated harvesting, filleting, chilling and freezing of the final product.
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Possibility of cultivating different species
The CAAP technology enables cultivation of multiple fish species under precisely controlled environmental conditions. Each species requires specific parameters such as temperature, dissolved oxygen, pH and salinity for optimal growth. In convectional facilities maintaining species-specific conditions is challenging due to natural variations in climate, water quality and seasonal changes. CAAP overcomes these limitations by providing: Fully controlled water environment, Micro-Nano Bubble oxygenation, Customizable biofilters and water treatment, Automated monitoring.
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Advantages

Key advantages of CAAP

Choosing City Advanced Aquaculture Project technology means selecting a proven, efficient and sustainable solution for aquaculture. Our system is specifically designed to deliver reliable food security while adapting to local climate and infrastructure challenges.

LOWER FEED CONVERSION RATIO​

Optimized system efficiency reduces feed costs and maximizes production.

OPTIMIZED O2 MANAGEMENT

Advanced oxygenation maintains ideal water column conditions, ensuring stable growth.

ACCELERATED GROWTH RATES

Up to 20% faster growth compared to conventional systems, enabling higher productivity.

IMPROVED HEALH AND WELFARE

Controlled environment minimizes stress and disease, producing healthier fish.

NO UV RADIATION NEEDED

Innovative treatment eliminates the need for UV, reducing operational costs and complexity.

RESISTANT TO HIGH TEMPERATURE

Engineered to perform reliably even under GCC’s challenging climate.

WATER & LAND EFFICIENCY

Recirculation reduces water consumption by ~97% and minimizes land footprint.

BIOSECURITY & WASTE MANAGEMENT

Closed-loop system enhances biosecurity and enables recovery of valuable by-products.

SUSTAINABILITY

Environmentally responsible design that supports long-term aquaculture growth.

Parameters

Key performance parameters of CAAP

Land Efficinecy

Requires < 1% of the land area compared to outdoor pond fish farming with efficient production.

Water Savings

Uses 90-99% less water than traditional pond aquaculture. Water is recirculated in the system.

Feed Efficiency

Achieves 20-30% lower Feed Conversion Ratio compared to conventional systems.

Labor Savings

Reduces labor costs by up to 65%. Our technology automates key processes of cultivation.

Year-Round Quality

Guarantees both safety and quality of fish throughout the year by maintaining optimal conditions.

Controlled Production

Enables predictable growth rates and harvesting schedules through a fully controlled environment.

Biosecurity

Minimizes disease outbreaks with precise water control and disinfection – free from chemicals and heavy metals.

Sustainability

A key technology that allows global aquaculture to meet per capita needs for protein in an environmentally friendly way.

Uniqueness

CAAP technology achieves >90% oxygen transfer efficiency–the highest proven rate in the aeration and gas-to-liquid transfer. Conventional systems deliver 1-3% efficiency.

  • Significant reduction in oxygen demand and lower OPEX costs.
  • Better feed conversion ratios.
  • Improved fish health and accelerated growth rates.
  • Superior water quality management.

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