NVIRON BIOSOLUTIONS INC.NvironBiosolutions is a Canadian company specialized in Biotechnology providing environmentally friendly waste managment solutions.
Our products have been tested Canada and North America used around the world to provide safe alternative chemical treatments. Mission effective low cost ....Address:8550 Pie-IXProduct/Service:Enzymes and bacteria for watse managment,SEPTONIC,Degreasers,Commercial Marine, boat, home .,Home,boat and camping,Aquaculture,Degreaser green product,Waste water managment,Algae control for ponds and lakes,Septic tanks,Waste Managment,,,,Enzymes and bacteria for watse managment,SEPTONIC,Degreasers,Commercial Marine, boat, home .,Home,boat and camping,Aquaculture,Degreaser green product,Waste water managment,Algae control for ponds and lakes,Septic tanks,Waste Managment,,,NATURAL ENVIRONMENTAL SYSTEMS LLCAddress:5000 Quorum Dr# 300,Product/Service:Wastewater Treatment Products, Pond Supplies, Bioremediation Bacteria, Paraffin Mitigation Microbes, Algae Control, Septic Tank Bacteria, Grease Trap Bacteria, Aerators, Soil Conditioner, Compost Accelerator,,,,,Wastewater Treatment Products, Pond Supplies, Bioremediation Bacteria, Paraffin Mitigation Microbes, Algae Control, Septic Tank Bacteria, Grease Trap Bacteria, Aerators, Soil Conditioner, Compost Accelerator,,,,ADVANCE REEF ENTERPRISEThis supplier has not provided a Company Introduction yet..Address:43 Jalan Tun Dr Awang (Jalan Relau)Product/Service:Aquarium Accesories,Aquarium Supplements,Water Conditioners,Aquarium Medication,Books,Marine Fishes , Two Little Fishies: Coral: A Quick Reference Guide,Marine Algae Control Secrets,Two Little Fishies: Inverterbrates: A Quick Reference Guide,New Life Marine Aquarium Companion : Southeast Asia,Two Little Fishies: The Reef Aquarium Volume 3,Sand Bed Secrets,New Life Aquarium Plants : The Practical Guide,,Aquarium Accesories,Aquarium Supplements,Water Conditioners,Aquarium Medication,Books,Marine Fishes , Two Little Fishies: Coral: A Quick Reference Guide,Marine Algae Control Secrets,Two Little Fishies: Inverterbrates: A Quick Reference Guide,New Life Marine Aquarium Companion : Southeast Asia,Two Little Fishies: The Reef Aquarium Volume 3,Sand Bed Secrets,New Life Aquarium Plants : The Practical Guide,Extra Bright Lighting & Electric Co.Extra Bright Lighting & Electric Company's slogan: Mind for Illumination. This is our attitude. We believe that only creativity can bring the maximum benefit to clients With an intensive R& D department, we offer new products keep up with market trends. would like work you grow your business. Solarmax ....Address:Unit 1703, 40 Sha Tsui RoadProduct/Service:Metal Halide, Aquarium Lighting, Aquarium Products , Duo burner metal halide lamp- two bulbs in One,Ultimate Wave Marker,X Wave Rotary Control System RC-680,X wave Pump Kit Wp-638,X Wave Pump Kit Wp-668,X Wave Pump Kit Wp-698,AquaHouse 3 in 1 Combo Aquarium Set,AquaHouse Mini Aquarium Lighting System,AquaHouse 5 in 1 Aquarium Tank,AquaHouse Filter System,Nano System 45,AquaHouse Hanging System Nano,AquaHouse Hanging Rack system - fully adjustable for width and height,AquaHouse NanoScope,Algae Buster Mini,AquaHouse Algae Buster,AquaHouse NanoScraper,AquaHouse Flare Nozzle Hose,AquaHouse UV light Meter for UVA and UVB,AquaHouse Professional Digital Timer,AquaHouse Optical Refractometer,AquaHouse Pen-type meter,AquaHouse pH / EC / TDS Monitor,AquaHouse Auto Calibrate pH Meter,AquaHouse Professional Aquarium Controller,AquaHouse HQI 8,000-20,000K,AquaHouse Aquarium UV-T8 Sterilizer,T5/T8/T12 Water & Dust proof Fluorescent lampholders,High Reflection Anodized Aluminum Reflector,SuperSun HQI Pendant,SolarMax T12VHO Fluorescent Lamp Ballast,SolarMax T5HO/T12VHO Fluorescent Lamp Ballast,,Metal Halide, Aquarium Lighting, Aquarium Products , Duo burner metal halide lamp- two bulbs in One,Ultimate Wave Marker,X Wave Rotary Control System RC-680,X wave Pump Kit Wp-638,X Wave Pump Kit Wp-668,X Wave Pump Kit Wp-698,AquaHouse 3 in 1 Combo Aquarium Set,AquaHouse Mini Aquarium Lighting System,AquaHouse 5 in 1 Aquarium Tank,AquaHouse Filter System,Nano System 45,AquaHouse Hanging System Nano,AquaHouse Hanging Rack system - fully adjustable for width and height,AquaHouse NanoScope,Algae Buster Mini,AquaHouse Algae Buster,AquaHouse NanoScraper,AquaHouse Flare Nozzle Hose,AquaHouse UV light Meter for UVA and UVB,AquaHouse Professional Digital Timer,AquaHouse Optical Refractometer,AquaHouse Pen-type meter,AquaHouse pH / EC / TDS Monitor,AquaHouse Auto Calibrate pH Meter,AquaHouse Professional Aquarium Controller,AquaHouse HQI 8,000-20,000K,AquaHouse Aquarium UV-T8 Sterilizer,T5/T8/T12 Water & Dust proof Fluorescent lampholders,High Reflection Anodized Aluminum Reflector,SuperSun HQI Pendant,SolarMax T12VHO Fluorescent Lamp Ballast,SolarMax T5HO/T12VHO Fluorescent Lamp Ballast,Edge 2 EnergyMy name is Jon LaBorde, Owner and Director of Operations for Edge 2 Energy, based out Houston, Texas. We manufacture a proven closed loop algae grow systems, utilizing vertical Photo Bio Reactors to maximize growth. Our system unlike open pond, lake ocean systems where contaminants can thrive our gives you ....Address:1323 Wicker LnProduct/Service:Algae Grow System,Vertical PBR,Proven System,Feed Tanks,Process Control , Manufacturing algae grow systems, utilizing vertical Photo Bio Reactors (PBR),E2E High Grade Organic Spirulina,,Algae Grow System,Vertical PBR,Proven System,Feed Tanks,Process Control , Manufacturing algae grow systems, utilizing vertical Photo Bio Reactors (PBR),E2E High Grade Organic Spirulina,Flair FountainsWe've specialized in the design and manufacturing of residential commercial water features for over 50 years. Products include: Pond fountains, pool interior interactive fountains. Services Design, consultation, custom fabrication. ....Address:4501 HiawathaProduct/Service:Pond Fountains, Pool Fountains, Floating Fountains , Algae Control,pool fountains,Fountain Pumps,Submersible Lights,Submersible Lights,Submersible Lights,Submersible Lights,Fountain Pumps,Fountain Pumps,PILLAR FOUNTAIN,MARBLE FOUNTAINS,STONE WATERWALLS,pool fountains,BOULDER FOUNTAINS,STAINLESS STEEL WATERWALLS,BUSINESS DISPLAY FOUNTAINS,STATUARY POOL FOUNTAINS,Algae Control,MULTI LEVEL POOL FOUNTAINS,TRAVELING HOME SHOW DISPLAY FOUNTAINS,GLASS WATERWALLS,RAIN CURTAINS,INTERIOR FOUNTAINS,TOWN LOFTS,GARDEN STATUARY FOUNTAINS,Floating Fountain,pool fountains,pool fountains,Waterfalls,pool fountains,Floating Fountain,Floating Fountain,,Pond Fountains, Pool Fountains, Floating Fountains , Algae Control,pool fountains,Fountain Pumps,Submersible Lights,Submersible Lights,Submersible Lights,Submersible Lights,Fountain Pumps,Fountain Pumps,PILLAR FOUNTAIN,MARBLE FOUNTAINS,STONE WATERWALLS,pool fountains,BOULDER FOUNTAINS,STAINLESS STEEL WATERWALLS,BUSINESS DISPLAY FOUNTAINS,STATUARY POOL FOUNTAINS,Algae Control,MULTI LEVEL POOL FOUNTAINS,TRAVELING HOME SHOW DISPLAY FOUNTAINS,GLASS WATERWALLS,RAIN CURTAINS,INTERIOR FOUNTAINS,TOWN LOFTS,GARDEN STATUARY FOUNTAINS,Floating Fountain,pool fountains,pool fountains,Waterfalls,pool fountains,Floating Fountain,Floating Fountain,Systematic Approach Green Environment Sdn. Bhd.This supplier has not provided a Company Introduction yet..Address:1st Floor, No. 1, Lot 82, Ph2 Sedco Industrial Estate, Jalan Kilang, KolombongProduct/Service:Water Treatment, Waste Water Treatment, Portable Pipe Cleaning, Algae Control In Water, , Sage Non Chemical Water Treatment System,,Water Treatment, Waste Water Treatment, Portable Pipe Cleaning, Algae Control In Water, , Sage Non Chemical Water Treatment System,Water Habitats LtdThis supplier has not provided a Company Introduction yet..Address:4 Rutherford CourtProduct/Service:Water Testing, Consultancy, Aeration, Siltex, Algae Control , water solutions service,,Water Testing, Consultancy, Aeration, Siltex, Algae Control , water solutions service,JPN TECH CO., LTD.This supplier has not provided a Company Introduction yet..Address:Hathairat 35Product/Service:Filter Press,Belt Press,Diffuser,Filter Cloth,Belt Filter Cloth,Algae Control , Filter Cloth,Belt Filter Cloth Seam,Belt Filter Cloth,Filter Cloth,,Filter Press,Belt Press,Diffuser,Filter Cloth,Belt Filter Cloth,Algae Control , Filter Cloth,Belt Filter Cloth Seam,Belt Filter Cloth,Filter Cloth,Bio-Green Planet, IncWe at Bio-Green Planet, Inc. are dedicated to providing our clients with innovative, effective solutions a wide range of environmental problems and issues. A leading bio-technology company, we specialize in the areas waste treatment, industrial / institutional cleaning, sustainable agriculture, ....Address:8098 N. Via De Negocio, Suite 100Product/Service:Biotechnological Solutions,Agriculture,Aquaculture,Algae control,Drain Line Treatment,Grease Treatment,Odor Eliminator,Septic Treatment,Waste Treatment,Dairy Treatment,Food Pulp Treatment,Hydrocarbon Treatment,Chlorinated Solvent,Hydrocarbon Treatment,Customized Bio-Blends , Bio-Green Wt Tabs Waste Treatment,Bio-Green GT Tabs,Bio-Green Hydrocarbon Treat Tabs,Bio-Green Parts Washer Tabs,Bio-Green TR Granular,Bio-Green PM Granular,Bio-Green Tr Concentrate,Bio-Green St Granular,Bio-Green Wta Granular,Bio-Green Cl Concentrate,Bio-Green PD Granular,Bio-Green HC Granular,Bio-Green Oe Concentrate,Bio-Green Wt Granular,Bio-Green PM Concentrate,Bio-Green GT Granular,Bio-Green St Concentrate Septic Treatment,Bio-Green Wta Concentrate,Bio-Green Fp Granular,Bio-Green Hc Concentrate,Bio-Green DT Granular,Bio-Green Wt Concentrate,Bio-Green CD Granular,Bio-Green GT Concentrate,Bio-Green Fp Concentrate,Bio-Green Aq Granular,Bio-Green Dl Concentrate,Bio-Green HC Cube,Bio-Green DT Concentrate,Bio-Green Wt Waste Treatment Cube,Bio-Green Aq Concentrate,Bio-Green GT Grease Treatment Cube,,Biotechnological Solutions,Agriculture,Aquaculture,Algae control,Drain Line Treatment,Grease Treatment,Odor Eliminator,Septic Treatment,Waste Treatment,Dairy Treatment,Food Pulp Treatment,Hydrocarbon Treatment,Chlorinated Solvent,Hydrocarbon Treatment,Customized Bio-Blends , Bio-Green Wt Tabs Waste Treatment,Bio-Green GT Tabs,Bio-Green Hydrocarbon Treat Tabs,Bio-Green Parts Washer Tabs,Bio-Green TR Granular,Bio-Green PM Granular,Bio-Green Tr Concentrate,Bio-Green St Granular,Bio-Green Wta Granular,Bio-Green Cl Concentrate,Bio-Green PD Granular,Bio-Green HC Granular,Bio-Green Oe Concentrate,Bio-Green Wt Granular,Bio-Green PM Concentrate,Bio-Green GT Granular,Bio-Green St Concentrate Septic Treatment,Bio-Green Wta Concentrate,Bio-Green Fp Granular,Bio-Green Hc Concentrate,Bio-Green DT Granular,Bio-Green Wt Concentrate,Bio-Green CD Granular,Bio-Green GT Concentrate,Bio-Green Fp Concentrate,Bio-Green Aq Granular,Bio-Green Dl Concentrate,Bio-Green HC Cube,Bio-Green DT Concentrate,Bio-Green Wt Waste Treatment Cube,Bio-Green Aq Concentrate,Bio-Green GT Grease Treatment Cube,BOSAN INDUSTRIAL TECHNOLOGY LTDWe Bosan Industrial Technology Limited had been working over 15 years in the industry. On 1st decade, we worked as a trading and agency company to provide electrical control equipments ie. Magnetic contactors, temperature controller, ultrasonic transducers, sensors industries. Due great demands from ....Address:Flat 6, 10 / F, Po Hong Centre, 2 Wang Tung Street,Product/Service:Solid State Relay,Temperature Indicator,Limit Switches,Electronic Thermostat,Ultrasonic Humidifier,Ultrasonic Generator,Digital Timer,Ultrasonic Transducer,Ceramic Heater,Power Controller,Ultrasonic Reactor,Humidity Controller,Fog Generator,Mist Generator,Algae controller,Boat cleaner,Yacht cleaner,Antifouling device , Ultrasonic water treatment device,Electronic Antifouling Device,Electronic Algae controller,Ultrasonic Algae controller,Fog generator,Mist generator,Twin frequency ultrasonic generator,Algae control Unit,Antifouling Unit,Ultrasonic Antifouling Device,Immersible ultrasonic transducer pack,Immersible ultrasonic transducer,Ultrasonic Generator,Humidifier,Sensors,Biodiesel Ultrasonic Reactor,Sensors,Sensors,Sensors,Solid State Relay,Infrared Ceramic Heater,Infrared Ceramic Heater,Infrared Ceramic Heater,Temperature & Humidity Controller,Immersible ultrasonic Transducer Pack,Ultrasonic Reactor,Incubator Controller,Biodiesel Ultrasonic Reactor,Digital Humidity Controller,Digital Power Controller,Digital Power Controller,Electronic Thermostat,,Solid State Relay,Temperature Indicator,Limit Switches,Electronic Thermostat,Ultrasonic Humidifier,Ultrasonic Generator,Digital Timer,Ultrasonic Transducer,Ceramic Heater,Power Controller,Ultrasonic Reactor,Humidity Controller,Fog Generator,Mist Generator,Algae controller,Boat cleaner,Yacht cleaner,Antifouling device , Ultrasonic water treatment device,Electronic Antifouling Device,Electronic Algae controller,Ultrasonic Algae controller,Fog generator,Mist generator,Twin frequency ultrasonic generator,Algae control Unit,Antifouling Unit,Ultrasonic Antifouling Device,Immersible ultrasonic transducer pack,Immersible ultrasonic transducer,Ultrasonic Generator,Humidifier,Sensors,Biodiesel Ultrasonic Reactor,Sensors,Sensors,Sensors,Solid State Relay,Infrared Ceramic Heater,Infrared Ceramic Heater,Infrared Ceramic Heater,Temperature & Humidity Controller,Immersible ultrasonic Transducer Pack,Ultrasonic Reactor,Incubator Controller,Biodiesel Ultrasonic Reactor,Digital Humidity Controller,Digital Power Controller,Digital Power Controller,Electronic Thermostat,C R Group - Shree Durga EnterprisesWe are an exports firm for industrial house. specialize in all sorts of cleaning chemicals, water treatment rust/corrosion control and treatment, organic inorganic scale prevention, metal fuel saving additives, fish farming chemicals,etc. those chemicals which based on individual customised needs. ....Address:Pt. Motilal Nehru Road,Product/Service:, Treatment Chemicals For Rust, Algae etc.,Industrial Water Treatment,Corrosion / Rust Prevention And Control Chemicals,Customised Chemicals,Treatment Of Water, Scale, Rust, Microbio-organisms,Port Water Cleaning,Port Water Pollution Removing Chemical,Water Treatment Chemicals,,, Treatment Chemicals For Rust, Algae etc.,Industrial Water Treatment,Corrosion / Rust Prevention And Control Chemicals,Customised Chemicals,Treatment Of Water, Scale, Rust, Microbio-organisms,Port Water Cleaning,Port Water Pollution Removing Chemical,Water Treatment Chemicals,Rentec CorpThis supplier has not provided a Company Introduction yet..Address:Fuli Daxia, B 1205, Rong Gui town, Ronqi RoadProduct/Service:Mold-Bacterial Control, Air Conditioner Cleaning, Air Conditioning Service, , First Cold Pressed Extra Virgin Olive Oil,Algae Ban (R) Mold-Bacterial Control Chemicals,,Mold-Bacterial Control, Air Conditioner Cleaning, Air Conditioning Service, , First Cold Pressed Extra Virgin Olive Oil,Algae Ban (R) Mold-Bacterial Control Chemicals,BioWorld Products LLCEstablished in 1991, BioWorld Products LLC, a small, woman-owned business, develops and markets unique products equipment for environmental cleanup. Our product range includes:Bioremediation services petroleum oil cleanup - Bioenhancement of substrates hydrocarbon-digesting microbes in-situ ....Address:PO Box 2920Product/Service:oil spill cleanup products,oil spill cleanup services,bioremediation products & services,odor control,algae control,wastewater treatment,septic tank treatment , Hydrocarbon Treatment Case,BioWorld Algae Treatment,Bioremediation Enhancer w/ Hydrocarbon Digester Microbes agent,,oil spill cleanup products,oil spill cleanup services,bioremediation products & services,odor control,algae control,wastewater treatment,septic tank treatment , Hydrocarbon Treatment Case,BioWorld Algae Treatment,Bioremediation Enhancer w/ Hydrocarbon Digester Microbes agent,Tele NetWE MANUFACTURE DIFFERENTTYPES OF ULTRASONIC EQUIPMENTS & REPELLERSTO REPELS, RAT, MICE, COCKAROCHBIRDS, MONKEYS etc.USED BY MOST INDUSTRIES. Computer CENTER, HOTEL INDUSTRIES, FOOD RESIDENT, OFFICE ETC. aquaculture growth fucandity booster. ultrasonic water conditioner ....Address:12, Pollock StreetProduct/Service:Bird control quipments,water conditioner,algae killer,rat repeller,mouse control , Ultrasonic Cleaners,Ultrasonic Pest Repeller,Ultrasonic Pest Repeller,Mole Controller,Electronic Bird Repeller,Fly Catcher,Fly Catcher,Fish Grower,Pest Control,,Bird control quipments,water conditioner,algae killer,rat repeller,mouse control , Ultrasonic Cleaners,Ultrasonic Pest Repeller,Ultrasonic Pest Repeller,Mole Controller,Electronic Bird Repeller,Fly Catcher,Fly Catcher,Fish Grower,Pest Control,LG Sound B.V.LG Sound was founded in the Netherlands to develop, produce and market the newest generation of ultrasonic algae control units worldwide..Address:platinastraat 7Product/Service:Algae control,water treatment,biofilm control , LG Sonic Algae Control,,Algae control,water treatment,biofilm control , LG Sonic Algae Control,HYDRODRIVE SYSTEMS AND CONTROLS PVT LTDHYDRODRIVE was established in the year 1981 as a small scale enterprise by it's Founder President and Managing Director-S.GOPALAKRISHNAN for commercializing his college project work import substitution item -FLUID COUPLINGS- AN ENERGY SAVING DEVICE all electrical motors. is located Perungudi ....Address:P.B.5076,PLOT NO.69,INDL.ESTATE,PERUNGUDI, CHENNAI, TAMIL NADU/INDIA, IndiaProduct/Service:engine emission control,onboard fuel synthesizers for xxxxx,biodiesel,ethanol,electronic scale formation preventer cum bacteria, algae destroyer for chiller water, cooling towers, swimming pools, hotels,central air conditioning systems,industries,hotels,,engine emission control,onboard fuel synthesizers for xxxxx,biodiesel,ethanol,electronic scale formation preventer cum bacteria, algae destroyer for chiller water, cooling towers, swimming pools, hotels,central air conditioning systems,industries,hotels,Feng Yang Biotechnology Co LtdFeng Yang Biotechnology, established in 2002, specializes trading and manufacturing commodities of nutritional food formulas. We are promoted by Taiwanese government as one the most outstanding biotechnology company country; we dedicated to health research development raw material formulation. ....Address:1F. , No. 136, Sec. 3, Cingdao RdProduct/Service:Health food supplement,Health food ingredients,Health food formulations,Antrodia Cinnamomea,Nattokinase,Nano pearl powder,Fish scale collagen,Type 2 collagen , Superba Krill Oil,Vitality Algae,Super Juicy,Super White,Blood Sugar Clean for Diabetes Care,Provide health supplement ODM service,Royal Organic Cordyceps for immune system care,Joint Essence for bone and joint health supplement,Urinary care supplement: Urinary Relief,Varicose Care - Varicose veins , Citrus Bioflavonoids Extract,SPA Sleeping Beauty - Hyaluronic Acid , collagen,Health food supplement - beta Chithin for body slimmer,Health food supplement - Slimholder for blood sugar control,health food supplement - Antro-Power for Immune system health,health food supplement - Organic Spirulina Tablets,health food supplement - PS, So- Smart for Brain nutrition,Health food supplement - Berry Nice Vision for Vision Care,health food supplement - Anti-HTN peptide for Cardiovascular care,Health food supplement - Heart care Sterol for Cardiovascular care,health food supplement - Multi Calcium Absorbers for bone,Health food supplement - beauty collector collagen,Health food supplement - Beauty Collector (powder),Brain nutrition supplement - Brain-Nu,Health supplement ingredient- Antrodia Cinnamomea (Camphorata),,Health food supplement,Health food ingredients,Health food formulations,Antrodia Cinnamomea,Nattokinase,Nano pearl powder,Fish scale collagen,Type 2 collagen , Superba Krill Oil,Vitality Algae,Super Juicy,Super White,Blood Sugar Clean for Diabetes Care,Provide health supplement ODM service,Royal Organic Cordyceps for immune system care,Joint Essence for bone and joint health supplement,Urinary care supplement: Urinary Relief,Varicose Care - Varicose veins , Citrus Bioflavonoids Extract,SPA Sleeping Beauty - Hyaluronic Acid , collagen,Health food supplement - beta Chithin for body slimmer,Health food supplement - Slimholder for blood sugar control,health food supplement - Antro-Power for Immune system health,health food supplement - Organic Spirulina Tablets,health food supplement - PS, So- Smart for Brain nutrition,Health food supplement - Berry Nice Vision for Vision Care,health food supplement - Anti-HTN peptide for Cardiovascular care,Health food supplement - Heart care Sterol for Cardiovascular care,health food supplement - Multi Calcium Absorbers for bone,Health food supplement - beauty collector collagen,Health food supplement - Beauty Collector (powder),Brain nutrition supplement - Brain-Nu,Health supplement ingredient- Antrodia Cinnamomea (Camphorata),SA AquaticThis supplier has not provided a Company Introduction yet..Address:6, rokeby houseProduct/Service:Aquarium Cleaning,Aquarium Maintenance,Water Testing,Algae Control,Set-up New Tanks,Fish Doctor,Designer Tanks,Aqua Design , Aquarium Cleaning and Maintenance,,Aquarium Cleaning,Aquarium Maintenance,Water Testing,Algae Control,Set-up New Tanks,Fish Doctor,Designer Tanks,Aqua Design , Aquarium Cleaning and Maintenance,Water Resources (Canada) CorpWater Resources (|Canada) Corp. is a wholly owned subsidiary of Worthington Holdings (est. September 1999). Its purpose to provide ultra sonic sound units for the destruction and control algae in ponds, both ornamental golf courses, municipal purposes ie beaches water sewage treatment, marinas, ....Address:18 Smith Street, Unit 17-08, Nairn Centre, Ontario, CanadaProduct/Service:aqua screen, bio bacteria, algae destruction, water treatment units,,Algae Control,Emergency Water Treatment,Water treatment and purification,,aqua screen, bio bacteria, algae destruction, water treatment units,,Algae Control,Emergency Water Treatment,Water treatment and purification,
