Our Advantages
10,000 square meters of water treatment filler production workshop
20,000 square meters of high-end environmental protection equipment production workshop
4000 square meters large open laboratory
More than 30 productive experimental bases
More than 40 pilot systems
More than 50 small pilot test devices
More than 60 large instruments and equipment
More than 50 petents
More than 18 years of experience
Top 5 position of environmental protection technology industry in Shandong province.

This integrated treatment unit is a collection treatment device developed specifically for control exogenous pollution,which integrates the functions of sewage treatment together with biological reduction of excess sludge. It adopts A2/O biological treatment process which cores are international advanced microbes and the efficient filler technology, and integrates the degradation technology by microbes with the technology of intelligent automatic control. With the three biological stuge, comprising of anaerobic zone, anoxic and aerobic, the process contained combining with the treatment methods of sludge reflux and nitrification reflux, which is able to biodegradable BOD produced by carbon pollution as well as nitrogen and phosphate pollutions.

PROCESS FLOW

STRUCTURE OF THE INTEGRATED TREATMENT UNIT

Product Parameters

ADVANTAGES
1. Up to standard discharge
2. Stable and handy operation
3. Modularized design, suitable for different wastewatey treatment
4. Fine manufacture and exterior
5. Little space required, 1/4 - 1/5 of area occupied by conventional methods
6. Handy installation, low demands of pipes and nets
7. Above-ground or completely under-ground
8. Low operation cost, automatic operation, involve no labor
9. Good adaptability and strong shock resistance

National high-tech enterprises
The "little giant" of specialized and sophisticated enterprises national
Specialized and sophisticated enterprises that produce new and unique products of Shandong province
Shandong gazelle enterprise
Shandong province research and development center
Shandong Industrial Design Center
Hidden champions
ISO9001 quality system certification enterprise
ISO45001 Occupational health and safety management system certification enterprise
ISO14001 environmental management system certification enterprise
More than 50
invention patents and 10 utility model patents granted

Shandong Longantai Environmental Protection Sci-tech Co., Ltd. was founded in 2005, integrated R&D, manufacturing, process design, project construction and water treatment, focusing on the efficient treatment and comprehensive utilization of industrial wastewater and high-salt wastewater, and providing energy-saving, efficient, resource recycling solutions and key materials and equipments.
Longantai has accumulated rich experience in the pretreatment of high-concentration industrial wastewater, advanced wastewater treatment, comprehensive treatment of high-salt wastewater, water reuse in wastewater, wastewater recycling and other aspects. There are strong strength and perfect quality system in the research and development and manufacturing of water treatment catalysts and key equipments.

CASE INFERENCE
1. Chemical/pharmaceutical/industrial park comprehensive wastewater pretreatment and upgrading

2.Coal chemical wastewater treatment

3.Petrochemical energy wastewater treatment
CASE INFERENCE1. Chemical/pharmaceutical/industrial park comprehensive wastewater pretreatment and upgrading2.Coal chemical wastewater treatment3.Petrochemical energy wastewater treatment

4.Dye/pigment wastewater treatment

5.River water quality improvement
4.Dye/pigment wastewater treatment5.River water quality improvement

6.Pesticide wastewater treatment

7.Reverse osmosis membrane concentrated water treatment

8.Leather waste water treatment

9.Total treatment technology of landfill leachate

10.Electroplating wastewater treatment

6.Pesticide wastewater treatment7.Reverse osmosis membrane concentrated water treatment8.Leather waste water treatment9.Total treatment technology of landfill leachate10.Electroplating wastewater treatment

1.Q: Where is your company? How can I visit there?
A:The company is located in Zhongcheng International, Kuiwen District, Weifang City, Shandong Province, China. It is about an hour's drive from Qingdao Airport and Weifang Railway Station. If you need it, we can come and pick you up. Welcome to visit our company.
2.Q:Do you have minimum order quantity request?
A:No minimum order, but it can get a discount if you order a large quantity.
3.Q:Do you have certificates?
A:Yes,we have ISO,SGS certificate.
4.Q:Can you meet my special requirements for the product?
A:Yes,we have a professional design team.We can provide drawings according to your
requirements.
5.Q:How to buy your idea products?
A:You can provide us your water or waste sources,water or waste quality,flow rate and ground
area (connect us for more details)
6.Q:How to pay?
A:T/T and L/C are acceptable and T/T will be more appreciated 30% deposit before
producing,70% balance before loading by T/T.
7.Q:What is the delivery time ?A: It depends on order quantities
.Generally speaking ,the delivery time will be within
2
to
4
weeks.
8.Q:How to pack the products?
A:We use standard package .If you have special package requirements ,we will pack as required ,but the fees will be paid by customers.
9.Q:How to install after the equipment arriving destination?
A:We will provide detailed illustrations to you. If it is necessary, we will send technicians to help you. However, the visa fee ,air tickets ,accommodation, wages will be paid by buyers.