Algerian Production • Global Standards

Desalination & RO Systems
Advanced Process Solutions

An advanced, locally formulated portfolio of specialty chemical programs and engineering consultations to prevent membrane scaling, control biofouling, and maximize recovery in utility and process industries across Algeria.

35%
Energy Savings
20μ
SDI Control
100%
Local Supply
Industrial reverse osmosis membrane housings
Membrane Process Plant
Three Pillars of Membrane Safety

RO Membrane Process Challenges

How scaling, organic fouling, and feed channel blockages restrict pure water recovery and threaten vulnerable membrane structures.

PILLAR / 01

Pretreatment Optimization

Improving multimedia filtration (MMF) to trap micro-suspended solids before feed water loads the high-pressure membrane surface.

PILLAR / 02

Antiscalant Control

Injecting high-efficiency antiscalants to retard mineral precipitation of carbonates, sulfates, and silica.

PILLAR / 03

Membrane CIP Cleaning

Alternating high-performance acidic and alkaline cleaners to dissolve mineral scale, organic silt, and biocured blockages.

Pretreatment & Membrane Protection

High-Performance SDI Control

Multimedia Filtration (MMF) is the primary physical defense barrier to remove suspended solids, micro-particulates, and colloids from RO feedwater.

AquaKem's coagulation and filtration-enhancing programs optimize the entrapment of fine particulates down to 20 microns, effectively decreasing the Silt Density Index (SDI) to stable, safe levels to prevent early structural damage.

  • Removal of colloids and micro-suspended solids down to 20μ
  • Optimized coagulation for stable SDI feed quality
  • Protection of high-pressure membrane surfaces
MMF pretreatment skid
RO membrane scaling close-up
Advanced Scale & Deposit Control

Preventing Insulating Scaling Layers

  • Bicarbonate Scale Suppression — Controls calcium bicarbonate scaling through crystal modification and deposit dispersion.
  • Silica & Sulfate Control — formulated to suppress heavy precipitates under extreme recovery conditions.
  • Membrane Integrity Preservation — retains high salt rejection percentages and reduces offline cleaning frequency.
Biofouling & Sanitization Control

Targeting Spacer Blockage

Biological growth, algae, and organic biofilms rapidly colonize the feed spacers and membrane surface, causing severe feed channel pressure drop and restricting water flow.

AquaKem's Non-Oxidizing Biocides dismantle biological structures and eliminate bacterial colonies without degrading polyamide membrane layers — restoring design recovery rates.

Membrane before and after biofilm cleaning
Membrane Performance Solutions

Targeted Chemical Programs

Each program is engineered for a specific failure mode — scale, fouling, biofilm, or degradation.

Program
Core Mechanism
System Action
Scale Control / Antiscalants
Delays bicarbonate reaction and calcium crystal formation.
Prevents feed channel clogging and maintains constant design water flux.
Pretreatment Coagulants
Improves MMF performance to capture suspended solids down to 20μ.
Protects membrane surfaces from silt loading and reduces high SDI levels.
Membrane Cleaners (CIP)
Acid and alkaline formulations to dissolve scaling and organic layers.
Restores system flux rates and prevents high operating energy losses.
Sanitizers & Biocides
Ruptures biological cell walls to destroy algae and bacteria colonies.
Eradicates thick bio-slime layers blocking feed spacer grids.
Operating Data

RO Feed Pressure Under Fouling

As membranes foul, higher pump pressure is required to force water through clogged spacers — driving sudden energy cost increases.

Feed Pressure (bar) by Fouling State
Severe Biofouling (No Treatment)24 bar
Moderate Mineral Scale18 bar
After AquaKem CIP Cleaner12 bar
Continuous AquaKem Treatment8 bar
Distribution of RO Membrane Foulants
Inorganic Scale & Carbonates45%
Bacterial Growth, Biofilms & Algae30%
Suspended Silt, Mud & Clays15%
Chemical / Oxidizer Degradation10%
35%
Direct Operating & Energy Savings

Maximizing Lifespan & Energy Savings

A major brackish water desalination facility in Algeria was suffering from rapid biofouling, frequent membrane cleanings, and high feed pressure requirements.

By implementing AquaKem's targeted scale inhibitors and scheduled sanitization cleaners, the facility stabilized feed pressure, lowered CIP frequency, extended membrane lifetimes, and achieved a 35% drop in energy consumption.